Routing Table Report 04:00 +10GMT Tue 01 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 193583
Prefixes after maximum aggregation: 106497
Unique aggregates announced to Internet: 94744
Total ASes present in the Internet Routing Table: 22773
Origin-only ASes present in the Internet Routing Table: 19832
Origin ASes announcing only one prefix: 9508
Transit ASes present in the Internet Routing Table: 2941
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 24
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 22
Unregistered ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1559541932
Equivalent to 92 /8s, 244 /16s and 184 /24s
Percentage of available address space announced: 42.1
Percentage of allocated address space announced: 60.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 95992
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42224
Total APNIC prefixes after maximum aggregation: 17457
Prefixes being announced from the APNIC address blocks: 39920
Unique aggregates announced from the APNIC address blocks: 18739
APNIC Region origin ASes present in the Internet Routing Table: 2656
APNIC Region origin ASes announcing only one prefix: 751
APNIC Region transit ASes present in the Internet Routing Table: 394
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 243707232
Equivalent to 14 /8s, 134 /16s and 173 /24s
Percentage of available APNIC address space announced: 76.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 98129
Total ARIN prefixes after maximum aggregation: 58377
Prefixes being announced from the ARIN address blocks: 71948
Unique aggregates announced from the ARIN address blocks: 27169
ARIN Region origin ASes present in the Internet Routing Table: 10846
ARIN Region origin ASes announcing only one prefix: 4096
ARIN Region transit ASes present in the Internet Routing Table: 996
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 298288896
Equivalent to 17 /8s, 199 /16s and 135 /24s
Percentage of available ARIN address space announced: 77.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 38913
Total RIPE prefixes after maximum aggregation: 26039
Prefixes being announced from the RIPE address blocks: 35949
Unique aggregates announced from the RIPE address blocks: 24188
RIPE Region origin ASes present in the Internet Routing Table: 8332
RIPE Region origin ASes announcing only one prefix: 4378
RIPE Region transit ASes present in the Internet Routing Table: 1367
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261022788
Equivalent to 15 /8s, 142 /16s and 228 /24s
Percentage of available RIPE address space announced: 81.9
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 12005
Total LACNIC prefixes after maximum aggregation: 3719
Prefixes being announced from the LACNIC address blocks: 10082
Unique aggregates announced from the LACNIC address blocks: 5751
LACNIC Region origin ASes present in the Internet Routing Table: 715
LACNIC Region origin ASes announcing only one prefix: 239
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31418880
Equivalent to 1 /8s, 223 /16s and 106 /24s
Percentage of available LACNIC address space announced: 46.8
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2290
Total AfriNIC prefixes after maximum aggregation: 905
Prefixes being announced from the AfriNIC address blocks: 1548
Unique aggregates announced from the AfriNIC address blocks: 972
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4201472
Equivalent to 0 /8s, 64 /16s and 28 /24s
Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 1290 7855 239 CHINANET-BACKBONE
4755 958 256 72 Videsh Sanchar Nigam Ltd. Aut
9583 924 109 15 Sify Limited
9498 762 211 70 BHARTI BT INTERNET LTD.
4766 693 4435 302 Korea Telecom (KIX)
1221 609 1779 466 Telstra Pty Ltd
7545 551 124 73 TPG Internet Pty Ltd
17488 520 32 18 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 449 111 83 Primus Telecommunications
18101 429 85 22 Reliance Infocom Ltd Internet
4812 412 740 61 China Telecom (Shanghai)
17849 401 30 122 Telecommunications Technology
17557 381 30 176 Pakistan Telecom
4802 378 81 167 Wantree Development
17974 369 129 14 PT TELEKOMUNIKASI INDONESIA
2907 336 1733 311 SINET Japan
4837 301 3443 138 chinanet IDC center beijing n
7474 294 211 228 SingTel Optus Pty Ltd
10139 287 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1483 6252 953 AT&T WorldNet Services
721 1022 21926 313 DLA Systems Automation Center
6197 1014 635 477 BellSouth Network Solutions,
701 968 6771 791 UUNET Technologies, Inc.
4323 963 746 272 Time Warner Telecom
18566 950 272 8 Covad Communications
174 938 5769 887 Cogent Communications
2386 913 558 704 AT&T Data Communications Serv
1239 856 2783 603 Sprint
19262 728 2228 187 Verizon Global Networks
11492 719 89 15 Cable One
20115 717 623 383 Charter Communications
209 696 3663 547 Qwest
22773 680 1741 40 Cox Communications, Inc.
7011 651 218 414 Citizens Utilities
6198 597 556 236 BellSouth Network Solutions,
852 581 1068 381 Telus Advanced Communications
855 567 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 543 146 40 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 561 1932 441 UUNET - Commercial IP service
3301 316 1187 301 TeliaNet Sweden
3320 290 5012 236 Deutsche Telekom AG
8220 281 471 267 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 240 90 218 Dynamic Network Technologies,
24863 237 42 11 LINKdotNET AS number
3352 236 1639 33 Ibernet, Internet Access Netw
3246 230 462 220 Song Networks
8708 214 276 202 Romania Data Systems S.A.
30890 207 19 79 SC Kappa Invexim SRL
3215 204 1760 97 France Telecom Transpac
3269 203 2246 73 TELECOM ITALIA
1257 195 742 167 SWIPnet Swedish IP Network
8551 193 182 28 Bezeq International
8866 188 37 15 Bulgarian Telecommunication C
5416 179 12 11 BATELCO-BH
6830 177 813 37 UPC Distribution Services
3300 171 171 98 AUCS Communications Services
786 169 1778 169 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 752 1803 226 UniNet S.A. de C.V.
22047 432 206 11 VTR PUNTO NET S.A.
11172 360 113 86 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 273 134 22 Telefonica Del Peru
6471 252 74 28 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
6503 183 151 83 AVANTEL, S.A.
7303 181 84 29 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
21826 133 17 22 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19429 131 84 45 E.T.B.
19169 128 8 25 Telconet
14522 123 18 9 SatNet S.A.
7910 114 7 16 ANDINET ON LINE
14259 113 10 15 GTD Internet S.A.
23216 113 21 9 RAMtelecom Telecomunicaciones
7738 111 410 20 Telecomunicacoes da Bahia S.A
6505 109 88 79 Global One Communicaoes Ltda
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 284 803 231 The Internet Solution
8452 170 60 7 TEDATA
6713 146 135 11 Itissalat Al-MAGHRIB
2018 135 314 105 Tertiary Education Network
15475 131 84 4 Nile Online
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 106 6 2 EEPAD TISP TELECOM & INTERNET
2905 78 159 69 The Internetworking Company o
20928 59 16 3 Noor Advanced Technologies AS
15706 44 8 3 Sudatel Internet Exchange Aut
5713 39 294 35 Telkom SA Ltd
33774 30 7 21 AS Number for Telecom Algeria
16637 25 18 23 Johnnic e-Ventures
23889 24 8 11 MAURITIUS TELECOM
10798 23 1 14 Standard Bank of South Africa
8524 22 1 5 AUCEGYPT Autonomous System
33766 21 2 1 Nyala Communications Pty Ltd
21491 20 17 2 UTL On-line is RF broadband I
2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1290 1051 CHINANET-BACKBONE
18566 950 942 Covad Communications
9583 924 909 Sify Limited
4755 958 886 Videsh Sanchar Nigam Ltd. Aut
721 1022 709 DLA Systems Automation Center
11492 719 704 Cable One
9498 762 692 BHARTI BT INTERNET LTD.
4323 963 691 Time Warner Telecom
22773 680 640 Cox Communications, Inc.
19262 728 541 Verizon Global Networks
6197 1014 537 BellSouth Network Solutions,
8151 752 526 UniNet S.A. de C.V.
19916 563 509 OLM LLC
5668 543 503 CenturyTel Internet Holdings,
17488 520 502 Hathway IP Over Cable Interne
855 567 493 Canadian Research Network
7545 551 478 TPG Internet Pty Ltd
22047 432 421 VTR PUNTO NET S.A.
15270 451 418 PaeTec.net -a division of Pae
3602 522 417 Sprint Canada, Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65000 PRIVATE 193.109.15.0/24 12690 MKS Autonomous Syste
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin
65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin
65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin
65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin
65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
183.206.196.0/24 2188 FR-RENATER-ASTER
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:9 /10:11 /11:28 /12:97
/13:206 /14:372 /15:734 /16:8932 /17:3387 /18:5508
/19:11974 /20:13540 /21:11818 /22:14985 /23:16205 /24:104673
/25:379 /26:293 /27:187 /28:63 /29:39 /30:79
/31:0 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 933 950 Covad Communications
6197 794 1014 BellSouth Network Solutions,
7018 784 1483 AT&T WorldNet Services
9583 755 924 Sify Limited
11492 707 719 Cable One
2386 631 913 AT&T Data Communications Serv
7011 559 651 Citizens Utilities
19916 557 563 OLM LLC
4766 504 693 Korea Telecom (KIX)
9498 444 762 BHARTI BT INTERNET LTD.
855 441 567 Canadian Research Network
6198 440 597 BellSouth Network Solutions,
5668 426 543 CenturyTel Internet Holdings,
15270 420 451 PaeTec.net -a division of Pae
1239 401 856 Sprint
4755 396 958 Videsh Sanchar Nigam Ltd. Aut
17849 395 401 Telecommunications Technology
6517 377 410 Yipes Communications, Inc.
18101 365 429 Reliance Infocom Ltd Internet
22773 359 680 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:48 12:1594 13:1 15:15 16:3
17:3 18:4 20:41 24:805 25:1 32:58
38:240 40:53 41:9 44:3 47:6 52:4
55:1 56:3 57:26 58:202 59:247 60:178
61:915 62:810 63:1886 64:3086 65:2244 66:2965
67:629 68:678 69:1567 70:391 71:86 72:831
74:62 75:1 80:786 81:679 82:639 83:378
84:394 85:563 86:409 87:462 88:141 89:381
91:1 121:12 122:3 123:1 124:340 125:574
128:151 129:188 130:118 131:317 132:34 133:8
134:160 135:49 136:177 137:85 138:211 139:46
140:492 141:136 142:373 143:187 144:239 145:40
146:318 147:140 148:352 149:186 150:114 151:98
152:71 153:116 154:5 155:212 156:179 157:138
158:167 159:173 160:93 161:77 162:246 163:164
164:237 165:223 166:182 167:243 168:484 169:125
170:354 171:14 183:1 190:96 192:5735 193:3390
194:2674 195:2002 196:864 198:3898 199:3298 200:4618
201:1027 202:6775 203:7056 204:3891 205:2034 206:2425
207:2922 208:2212 209:3420 210:2153 211:808 212:1245
213:1448 214:363 215:41 216:4026 217:1200 218:307
219:240 220:743 221:360 222:211
End of report
Routing Table Report 00:00 GMT Mon 31 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 207552
Prefixes after maximum aggregation: 108423
Unique aggregates announced to Internet: 94620
Total ASes present in the Internet Routing Table: 22828
Origin-only ASes present in the Internet Routing Table: 19887
Origin ASes announcing only one prefix: 9485
Transit ASes present in the Internet Routing Table: 2941
Transit-only ASes present in the Internet Routing Table: 64
Average AS path length visible in the Internet Routing Table: 2.9
Max AS path length visible: 23
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 42
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 7
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1576709877
Equivalent to 93 /8s, 250 /16s and 174 /24s
Percentage of available address space announced: 42.5
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 106744
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43591
Total APNIC prefixes after maximum aggregation: 17597
Prefixes being announced from the APNIC address blocks: 41198
Unique aggregates announced from the APNIC address blocks: 18611
APNIC Region origin ASes present in the Internet Routing Table: 2666
APNIC Region origin ASes announcing only one prefix: 747
APNIC Region transit ASes present in the Internet Routing Table: 399
Average APNIC Region AS path length visible: 3.3
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 243758468
Equivalent to 14 /8s, 135 /16s and 117 /24s
Percentage of available APNIC address space announced: 76.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 109430
Total ARIN prefixes after maximum aggregation: 59917
Prefixes being announced from the ARIN address blocks: 81620
Unique aggregates announced from the ARIN address blocks: 27104
ARIN Region origin ASes present in the Internet Routing Table: 10867
ARIN Region origin ASes announcing only one prefix: 4091
ARIN Region transit ASes present in the Internet Routing Table: 1011
Average ARIN Region AS path length visible: 2.6
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 298316321
Equivalent to 17 /8s, 199 /16s and 242 /24s
Percentage of available ARIN address space announced: 77.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 40171
Total RIPE prefixes after maximum aggregation: 26263
Prefixes being announced from the RIPE address blocks: 37556
Unique aggregates announced from the RIPE address blocks: 24167
RIPE Region origin ASes present in the Internet Routing Table: 8360
RIPE Region origin ASes announcing only one prefix: 4362
RIPE Region transit ASes present in the Internet Routing Table: 1357
Average RIPE Region AS path length visible: 3.1
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261005792
Equivalent to 15 /8s, 142 /16s and 161 /24s
Percentage of available RIPE address space announced: 81.9
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11968
Total LACNIC prefixes after maximum aggregation: 3730
Prefixes being announced from the LACNIC address blocks: 10061
Unique aggregates announced from the LACNIC address blocks: 5738
LACNIC Region origin ASes present in the Internet Routing Table: 711
LACNIC Region origin ASes announcing only one prefix: 240
LACNIC Region transit ASes present in the Internet Routing Table: 123
Average LACNIC Region AS path length visible: 3.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 31320320
Equivalent to 1 /8s, 221 /16s and 233 /24s
Percentage of available LACNIC address space announced: 46.7
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2351
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1584
Unique aggregates announced from the AfriNIC address blocks: 976
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 2.9
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4203008
Equivalent to 0 /8s, 64 /16s and 34 /24s
Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 1295 7855 240 CHINANET-BACKBONE
4755 983 257 71 Videsh Sanchar Nigam Ltd. Aut
9583 926 109 15 Sify Limited
9498 776 211 69 BHARTI BT INTERNET LTD.
4766 717 4435 305 Korea Telecom (KIX)
1221 645 1779 476 Telstra Pty Ltd
7545 553 124 74 TPG Internet Pty Ltd
17488 520 32 18 Hathway IP Over Cable Interne
4538 518 2715 30 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 429 85 22 Reliance Infocom Ltd Internet
4812 412 740 61 China Telecom (Shanghai)
17849 404 30 123 Telecommunications Technology
17974 387 129 14 PT TELEKOMUNIKASI INDONESIA
17557 382 30 174 Pakistan Telecom
4802 378 81 167 Wantree Development
7474 357 211 229 SingTel Optus Pty Ltd
2907 340 1733 313 SINET Japan
9929 324 216 43 China Netcom Corp.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 625 1948 442 UUNET - Commercial IP service
3215 401 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3320 288 5012 235 Deutsche Telekom AG
8220 282 471 265 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 242 90 220 Dynamic Network Technologies,
3352 236 1639 33 Ibernet, Internet Access Netw
24863 235 42 10 LINKdotNET AS number
3246 232 462 222 Song Networks
5089 229 1657 45 NTL Group Limited
1257 224 742 168 SWIPnet Swedish IP Network
8708 215 276 204 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
30890 207 19 79 SC Kappa Invexim SRL
3269 203 2246 73 TELECOM ITALIA
5416 180 12 7 BATELCO-BH
8866 180 37 15 Bulgarian Telecommunication C
6830 177 813 37 UPC Distribution Services
3300 175 171 98 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5031 6786 793 UUNET Technologies, Inc.
4323 3188 746 275 Time Warner Telecom
705 1514 559 660 UUNET Technologies, Inc.
7018 1479 6259 965 AT&T WorldNet Services
721 1025 21942 314 DLA Systems Automation Center
6197 1015 635 477 BellSouth Network Solutions,
18566 950 272 8 Covad Communications
174 934 5736 879 Cogent Communications
2386 912 559 703 AT&T Data Communications Serv
1239 865 2800 611 Sprint
7046 828 252 684 UUNET Technologies, Inc.
19262 728 2228 187 Verizon Global Networks
11492 718 89 15 Cable One
20115 715 623 387 Charter Communications
209 688 3662 544 Qwest
22773 677 1741 37 Cox Communications, Inc.
7011 650 218 414 Citizens Utilities
6461 610 228 83 AboveNet Communications, Inc.
4355 606 305 86 EarthLink, Inc.
6198 597 556 237 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3188 2913 Time Warner Telecom
4134 1295 1055 CHINANET-BACKBONE
18566 950 942 Covad Communications
4755 983 912 Videsh Sanchar Nigam Ltd. Aut
9583 926 911 Sify Limited
705 1514 854 UUNET Technologies, Inc.
721 1025 711 DLA Systems Automation Center
9498 776 707 BHARTI BT INTERNET LTD.
11492 718 703 Cable One
22773 677 640 Cox Communications, Inc.
19262 728 541 Verizon Global Networks
6197 1015 538 BellSouth Network Solutions,
6461 610 527 AboveNet Communications, Inc.
5668 544 521 CenturyTel Internet Holdings,
8151 735 520 UniNet S.A. de C.V.
4355 606 520 EarthLink, Inc.
7018 1479 514 AT&T WorldNet Services
19916 563 509 OLM LLC
17488 520 502 Hathway IP Over Cable Interne
855 561 490 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 1.0.0.0/8 23342 UnitedLayer, Inc.
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio
64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin
65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin
65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin
65350 PRIVATE 219.148.40.0/24 17672 asn for Hebei Provin
65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin
65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
0.0.0.0/8 3303 Swisscom Ltd
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.31.31.0/30 6325 Illinois Century Network
192.0.2.0/24 812 Rogers WAVE
192.168.83.0/24 292 Energy Sciences Network
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
1.0.0.0/8 65333 PRIVATE ASN
2.2.2.0/24 64666 PRIVATE ASN
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
183.206.196.0/24 2188 FR-RENATER-ASTER
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:11 /11:28 /12:97
/13:212 /14:372 /15:737 /16:8958 /17:3451 /18:5645
/19:12249 /20:13902 /21:12348 /22:15765 /23:17129 /24:114471
/25:462 /26:359 /27:289 /28:211 /29:191 /30:523
/31:0 /32:114
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3759 5031 UUNET Technologies, Inc.
4323 1892 3188 Time Warner Telecom
705 957 1514 UUNET Technologies, Inc.
18566 933 950 Covad Communications
6197 795 1015 BellSouth Network Solutions,
7018 780 1479 AT&T WorldNet Services
9583 757 926 Sify Limited
11492 706 718 Cable One
2386 632 912 AT&T Data Communications Serv
7046 585 828 UUNET Technologies, Inc.
7011 558 650 Citizens Utilities
19916 557 563 OLM LLC
6461 538 610 AboveNet Communications, Inc.
4766 528 717 Korea Telecom (KIX)
2686 512 557 IBM
9498 446 776 BHARTI BT INTERNET LTD.
6198 440 597 BellSouth Network Solutions,
855 438 561 Canadian Research Network
5668 426 544 CenturyTel Internet Holdings,
15270 419 450 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:10 8:48 12:1612 13:1 15:15
16:3 17:3 18:4 20:41 24:808 25:1
30:2 32:265 38:241 40:53 41:8 44:3
47:6 52:4 55:1 56:3 57:48 58:213
59:277 60:178 61:940 62:932 63:3412 64:3604
65:3668 66:3797 67:650 68:681 69:1587 70:393
71:87 72:832 74:62 75:1 80:817 81:684
82:699 83:398 84:412 85:581 86:411 87:467
88:141 89:379 91:1 121:10 122:3 123:1
124:341 125:569 128:163 129:188 130:119 131:318
132:35 133:8 134:160 135:49 136:173 137:86
138:212 139:134 140:493 141:136 142:395 143:187
144:244 145:40 146:317 147:145 148:350 149:189
150:114 151:98 152:74 153:116 154:6 155:212
156:178 157:140 158:167 159:173 160:93 161:80
162:244 163:164 164:282 165:232 166:182 167:243
168:598 169:125 170:354 171:14 183:1 190:97
192:5837 193:3406 194:2791 195:2161 196:891 198:4043
199:3366 200:4609 201:1029 202:6956 203:7143 204:4071
205:2158 206:2822 207:3629 208:3018 209:3936 210:2230
211:852 212:1362 213:1477 214:364 215:41 216:4383
217:1415 218:333 219:280 220:744 221:360 222:227
End of report
Routing Table Report 04:00 +10GMT Mon 31 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 193472
Prefixes after maximum aggregation: 106457
Unique aggregates announced to Internet: 94537
Total ASes present in the Internet Routing Table: 22748
Origin-only ASes present in the Internet Routing Table: 19809
Origin ASes announcing only one prefix: 9482
Transit ASes present in the Internet Routing Table: 2939
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 24
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 23
Unregistered ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1559273388
Equivalent to 92 /8s, 240 /16s and 159 /24s
Percentage of available address space announced: 42.1
Percentage of allocated address space announced: 60.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 95879
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42297
Total APNIC prefixes after maximum aggregation: 17451
Prefixes being announced from the APNIC address blocks: 39996
Unique aggregates announced from the APNIC address blocks: 18690
APNIC Region origin ASes present in the Internet Routing Table: 2658
APNIC Region origin ASes announcing only one prefix: 752
APNIC Region transit ASes present in the Internet Routing Table: 390
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 243683680
Equivalent to 14 /8s, 134 /16s and 81 /24s
Percentage of available APNIC address space announced: 76.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 98028
Total ARIN prefixes after maximum aggregation: 58339
Prefixes being announced from the ARIN address blocks: 71847
Unique aggregates announced from the ARIN address blocks: 27086
ARIN Region origin ASes present in the Internet Routing Table: 10843
ARIN Region origin ASes announcing only one prefix: 4090
ARIN Region transit ASes present in the Internet Routing Table: 1001
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 298257152
Equivalent to 17 /8s, 199 /16s and 11 /24s
Percentage of available ARIN address space announced: 77.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 38849
Total RIPE prefixes after maximum aggregation: 26021
Prefixes being announced from the RIPE address blocks: 35901
Unique aggregates announced from the RIPE address blocks: 24118
RIPE Region origin ASes present in the Internet Routing Table: 8309
RIPE Region origin ASes announcing only one prefix: 4357
RIPE Region transit ASes present in the Internet Routing Table: 1363
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 260901444
Equivalent to 15 /8s, 141 /16s and 10 /24s
Percentage of available RIPE address space announced: 81.8
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11998
Total LACNIC prefixes after maximum aggregation: 3743
Prefixes being announced from the LACNIC address blocks: 10076
Unique aggregates announced from the LACNIC address blocks: 5746
LACNIC Region origin ASes present in the Internet Routing Table: 715
LACNIC Region origin ASes announcing only one prefix: 239
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31387136
Equivalent to 1 /8s, 222 /16s and 238 /24s
Percentage of available LACNIC address space announced: 46.8
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2277
Total AfriNIC prefixes after maximum aggregation: 903
Prefixes being announced from the AfriNIC address blocks: 1543
Unique aggregates announced from the AfriNIC address blocks: 982
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4201472
Equivalent to 0 /8s, 64 /16s and 28 /24s
Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 1290 7855 239 CHINANET-BACKBONE
4755 982 257 73 Videsh Sanchar Nigam Ltd. Aut
9583 925 109 15 Sify Limited
9498 776 211 70 BHARTI BT INTERNET LTD.
4766 693 4435 302 Korea Telecom (KIX)
1221 609 1779 466 Telstra Pty Ltd
7545 551 124 73 TPG Internet Pty Ltd
17488 520 32 18 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 449 111 83 Primus Telecommunications
18101 429 85 22 Reliance Infocom Ltd Internet
4812 412 740 61 China Telecom (Shanghai)
17849 401 30 122 Telecommunications Technology
17974 386 129 14 PT TELEKOMUNIKASI INDONESIA
17557 380 30 176 Pakistan Telecom
4802 378 81 167 Wantree Development
2907 336 1733 311 SINET Japan
4837 302 3444 139 chinanet IDC center beijing n
7474 294 211 228 SingTel Optus Pty Ltd
10139 285 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1483 6252 952 AT&T WorldNet Services
721 1025 21942 314 DLA Systems Automation Center
6197 1014 635 477 BellSouth Network Solutions,
701 965 6771 790 UUNET Technologies, Inc.
4323 963 746 272 Time Warner Telecom
18566 950 272 8 Covad Communications
174 938 5769 887 Cogent Communications
2386 913 559 704 AT&T Data Communications Serv
1239 857 2783 604 Sprint
19262 728 2228 187 Verizon Global Networks
11492 718 89 15 Cable One
20115 717 623 383 Charter Communications
209 692 3662 545 Qwest
22773 680 1741 40 Cox Communications, Inc.
7011 650 218 414 Citizens Utilities
6198 597 556 236 BellSouth Network Solutions,
852 581 1068 381 Telus Advanced Communications
855 564 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 544 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 561 1932 441 UUNET - Commercial IP service
3301 316 1187 301 TeliaNet Sweden
3320 288 5012 235 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 242 90 220 Dynamic Network Technologies,
24863 236 42 11 LINKdotNET AS number
3352 235 1639 32 Ibernet, Internet Access Netw
3246 230 462 220 Song Networks
8708 211 276 201 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
30890 207 19 79 SC Kappa Invexim SRL
3215 204 1760 97 France Telecom Transpac
3269 203 2246 73 TELECOM ITALIA
1257 195 742 167 SWIPnet Swedish IP Network
8866 188 37 15 Bulgarian Telecommunication C
5416 179 12 11 BATELCO-BH
6830 177 813 37 UPC Distribution Services
3300 171 171 98 AUCS Communications Services
786 169 1778 169 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 750 1803 224 UniNet S.A. de C.V.
22047 432 206 11 VTR PUNTO NET S.A.
11172 360 113 86 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 273 134 22 Telefonica Del Peru
6471 253 74 28 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
6503 183 151 83 AVANTEL, S.A.
7303 181 84 29 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
21826 133 17 22 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19429 131 84 45 E.T.B.
19169 128 8 25 Telconet
14522 123 18 9 SatNet S.A.
7910 114 7 16 ANDINET ON LINE
14259 113 10 15 GTD Internet S.A.
23216 113 21 9 RAMtelecom Telecomunicaciones
7738 111 410 20 Telecomunicacoes da Bahia S.A
6505 109 88 79 Global One Communicaoes Ltda
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 284 803 231 The Internet Solution
8452 170 60 7 TEDATA
6713 146 135 11 Itissalat Al-MAGHRIB
2018 135 314 105 Tertiary Education Network
15475 131 84 4 Nile Online
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 106 6 2 EEPAD TISP TELECOM & INTERNET
2905 78 159 69 The Internetworking Company o
20928 59 16 3 Noor Advanced Technologies AS
15706 44 8 3 Sudatel Internet Exchange Aut
5713 39 294 35 Telkom SA Ltd
33774 30 7 21 AS Number for Telecom Algeria
16637 25 18 23 Johnnic e-Ventures
23889 24 8 11 MAURITIUS TELECOM
10798 23 1 14 Standard Bank of South Africa
8524 22 1 5 AUCEGYPT Autonomous System
33766 21 2 1 Nyala Communications Pty Ltd
21491 20 17 2 UTL On-line is RF broadband I
2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1290 1051 CHINANET-BACKBONE
18566 950 942 Covad Communications
9583 925 910 Sify Limited
4755 982 909 Videsh Sanchar Nigam Ltd. Aut
721 1025 711 DLA Systems Automation Center
9498 776 706 BHARTI BT INTERNET LTD.
11492 718 703 Cable One
4323 963 691 Time Warner Telecom
22773 680 640 Cox Communications, Inc.
19262 728 541 Verizon Global Networks
6197 1014 537 BellSouth Network Solutions,
8151 750 526 UniNet S.A. de C.V.
5668 544 521 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 520 502 Hathway IP Over Cable Interne
855 564 490 Canadian Research Network
7545 551 478 TPG Internet Pty Ltd
22047 432 421 VTR PUNTO NET S.A.
15270 450 417 PaeTec.net -a division of Pae
3602 521 416 Sprint Canada, Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65000 PRIVATE 193.109.15.0/24 12690 MKS Autonomous Syste
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin
65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin
65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin
65350 PRIVATE 219.148.40.0/24 17672 asn for Hebei Provin
65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin
65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
183.206.196.0/24 2188 FR-RENATER-ASTER
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:9 /10:11 /11:28 /12:97
/13:206 /14:372 /15:733 /16:8918 /17:3372 /18:5504
/19:11960 /20:13563 /21:11820 /22:14995 /23:16190 /24:104592
/25:381 /26:293 /27:186 /28:62 /29:38 /30:78
/31:0 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 933 950 Covad Communications
6197 794 1014 BellSouth Network Solutions,
7018 783 1483 AT&T WorldNet Services
9583 756 925 Sify Limited
11492 706 718 Cable One
2386 631 913 AT&T Data Communications Serv
7011 558 650 Citizens Utilities
19916 557 563 OLM LLC
4766 504 693 Korea Telecom (KIX)
9498 445 776 BHARTI BT INTERNET LTD.
6198 440 597 BellSouth Network Solutions,
855 438 564 Canadian Research Network
5668 426 544 CenturyTel Internet Holdings,
15270 419 450 PaeTec.net -a division of Pae
1239 401 857 Sprint
4755 395 982 Videsh Sanchar Nigam Ltd. Aut
17849 395 401 Telecommunications Technology
6517 377 410 Yipes Communications, Inc.
18101 365 429 Reliance Infocom Ltd Internet
22773 359 680 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:48 12:1595 13:1 15:15 16:3
17:3 18:4 20:41 24:796 25:1 32:59
38:239 40:53 41:8 44:3 47:6 52:4
55:1 56:3 57:26 58:205 59:246 60:178
61:922 62:804 63:1887 64:3088 65:2244 66:2957
67:629 68:673 69:1566 70:392 71:87 72:832
74:61 75:1 80:787 81:674 82:642 83:383
84:395 85:565 86:409 87:462 88:140 89:380
91:1 121:10 122:3 123:1 124:340 125:571
128:149 129:188 130:118 131:317 132:34 133:8
134:159 135:49 136:173 137:85 138:210 139:46
140:491 141:136 142:373 143:187 144:238 145:40
146:317 147:140 148:350 149:186 150:114 151:98
152:71 153:116 154:5 155:212 156:177 157:137
158:167 159:173 160:93 161:77 162:244 163:164
164:238 165:223 166:182 167:243 168:484 169:125
170:354 171:14 183:1 190:96 192:5731 193:3381
194:2670 195:2000 196:862 198:3900 199:3295 200:4618
201:1026 202:6787 203:7067 204:3890 205:2036 206:2427
207:2919 208:2201 209:3424 210:2150 211:809 212:1247
213:1396 214:363 215:41 216:4016 217:1201 218:315
219:244 220:744 221:360 222:217
End of report
Routing Table Report 00:00 GMT Tue 18 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 200898
Prefixes after maximum aggregation: 106911
Unique aggregates announced to Internet: 94113
Total ASes present in the Internet Routing Table: 22741
Origin-only ASes present in the Internet Routing Table: 19766
Origin ASes announcing only one prefix: 9445
Transit ASes present in the Internet Routing Table: 2975
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.3
Max AS path length visible: 27
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 28
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 7
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1552779189
Equivalent to 92 /8s, 141 /16s and 135 /24s
Percentage of available address space announced: 41.9
Percentage of allocated address space announced: 60.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 101305
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42849
Total APNIC prefixes after maximum aggregation: 17267
Prefixes being announced from the APNIC address blocks: 40439
Unique aggregates announced from the APNIC address blocks: 18394
APNIC Region origin ASes present in the Internet Routing Table: 2640
APNIC Region origin ASes announcing only one prefix: 744
APNIC Region transit ASes present in the Internet Routing Table: 402
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 239340964
Equivalent to 14 /8s, 68 /16s and 13 /24s
Percentage of available APNIC address space announced: 74.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 103518
Total ARIN prefixes after maximum aggregation: 58872
Prefixes being announced from the ARIN address blocks: 75800
Unique aggregates announced from the ARIN address blocks: 27053
ARIN Region origin ASes present in the Internet Routing Table: 10853
ARIN Region origin ASes announcing only one prefix: 4075
ARIN Region transit ASes present in the Internet Routing Table: 1026
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 296357921
Equivalent to 17 /8s, 170 /16s and 16 /24s
Percentage of available ARIN address space announced: 76.8
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 40190
Total RIPE prefixes after maximum aggregation: 26114
Prefixes being announced from the RIPE address blocks: 37423
Unique aggregates announced from the RIPE address blocks: 24077
RIPE Region origin ASes present in the Internet Routing Table: 8308
RIPE Region origin ASes announcing only one prefix: 4343
RIPE Region transit ASes present in the Internet Routing Table: 1359
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 260343168
Equivalent to 15 /8s, 132 /16s and 133 /24s
Percentage of available RIPE address space announced: 81.7
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11987
Total LACNIC prefixes after maximum aggregation: 3760
Prefixes being announced from the LACNIC address blocks: 10043
Unique aggregates announced from the LACNIC address blocks: 5658
LACNIC Region origin ASes present in the Internet Routing Table: 706
LACNIC Region origin ASes announcing only one prefix: 238
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 31119872
Equivalent to 1 /8s, 218 /16s and 218 /24s
Percentage of available LACNIC address space announced: 46.4
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2327
Total AfriNIC prefixes after maximum aggregation: 898
Prefixes being announced from the AfriNIC address blocks: 1568
Unique aggregates announced from the AfriNIC address blocks: 961
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4195840
Equivalent to 0 /8s, 64 /16s and 6 /24s
Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 1246 7503 236 CHINANET-BACKBONE
4755 947 256 70 Videsh Sanchar Nigam Ltd. Aut
9583 913 109 15 Sify Limited
9498 768 211 71 BHARTI BT INTERNET LTD.
4766 711 4435 305 Korea Telecom (KIX)
1221 646 1779 478 Telstra Pty Ltd
7545 552 124 75 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 513 2715 30 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 449 111 83 Primus Telecommunications
18101 427 85 23 Reliance Infocom Ltd Internet
17974 405 129 14 PT TELEKOMUNIKASI INDONESIA
9929 398 268 61 China Netcom Corp.
17849 398 28 124 Telecommunications Technology
17557 384 30 173 Pakistan Telecom
4802 379 81 168 Wantree Development
7474 357 211 230 SingTel Optus Pty Ltd
2907 339 1733 312 SINET Japan
4804 309 295 57 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 642 1948 444 UUNET - Commercial IP service
3215 404 1760 97 France Telecom Transpac
1103 367 1990 80 SURFnet, The Netherlands
3301 316 1187 301 TeliaNet Sweden
3352 305 1639 33 Ibernet, Internet Access Netw
3320 285 5012 233 Deutsche Telekom AG
8220 283 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 233 89 210 Dynamic Network Technologies,
3246 232 463 222 Song Networks
5089 229 1657 44 NTL Group Limited
1257 223 741 167 SWIPnet Swedish IP Network
24863 218 42 10 LINKdotNET AS number
8708 216 276 205 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
30890 207 19 80 SC Kappa Invexim SRL
3269 201 2182 72 TELECOM ITALIA
8866 182 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
3300 172 171 98 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4323 3180 746 274 Time Warner Telecom
7018 1470 6238 944 AT&T WorldNet Services
721 1022 21934 310 DLA Systems Automation Center
6197 1015 635 481 BellSouth Network Solutions,
705 995 526 350 UUNET Technologies, Inc.
701 949 6753 777 UUNET Technologies, Inc.
18566 947 272 8 Covad Communications
174 944 5737 889 Cogent Communications
2386 917 558 707 AT&T Data Communications Serv
1239 850 2777 601 Sprint
19262 724 2206 188 Verizon Global Networks
20115 715 622 381 Charter Communications
209 694 3663 547 Qwest
11492 686 89 14 Cable One
22773 675 1741 40 Cox Communications, Inc.
7011 648 218 412 Citizens Utilities
6461 612 228 83 AboveNet Communications, Inc.
6198 601 583 226 BellSouth Network Solutions,
852 599 1084 383 Telus Advanced Communications
855 569 183 70 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1246 1010 CHINANET-BACKBONE
18566 947 939 Covad Communications
9583 913 898 Sify Limited
4755 947 877 Videsh Sanchar Nigam Ltd. Aut
721 1022 712 DLA Systems Automation Center
9498 768 697 BHARTI BT INTERNET LTD.
11492 686 672 Cable One
705 995 645 UUNET Technologies, Inc.
22773 675 635 Cox Communications, Inc.
19262 724 536 Verizon Global Networks
6197 1015 534 BellSouth Network Solutions,
6461 612 529 AboveNet Communications, Inc.
7018 1470 526 AT&T WorldNet Services
5668 533 510 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 519 502 Hathway IP Over Cable Interne
855 569 499 Canadian Research Network
4538 513 483 China Education and Research
7545 552 477 TPG Internet Pty Ltd
8151 703 476 UniNet S.A. de C.V.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65109 PRIVATE 193.162.110.0/24 3292 TDC Tele Danmark
65109 PRIVATE 193.162.111.0/24 3292 TDC Tele Danmark
65505 PRIVATE 195.190.149.0/24 3292 TDC Tele Danmark
65100 PRIVATE 199.85.124.0/24 26788 Enersource Telecom I
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65100 PRIVATE 205.189.141.0/24 26788 Enersource Telecom I
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
65108 PRIVATE 217.28.160.0/24 3292 TDC Tele Danmark
65108 PRIVATE 217.28.161.0/24 3292 TDC Tele Danmark
65108 PRIVATE 217.28.162.0/24 3292 TDC Tele Danmark
64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio
64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
0.0.0.0/8 3303 Swisscom Ltd
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.31.31.0/30 6325 Illinois Century Network
192.0.2.0/24 812 Rogers WAVE
192.168.83.0/24 292 Energy Sciences Network
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
183.206.196.0/24 2188 FR-RENATER-ASTER
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:11 /11:28 /12:95
/13:208 /14:369 /15:727 /16:8936 /17:3382 /18:5577
/19:12172 /20:13823 /21:12226 /22:15477 /23:16587 /24:109062
/25:458 /26:365 /27:298 /28:209 /29:228 /30:519
/31:0 /32:114
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
4323 1886 3180 Time Warner Telecom
18566 930 947 Covad Communications
6197 795 1015 BellSouth Network Solutions,
7018 776 1470 AT&T WorldNet Services
9583 743 913 Sify Limited
11492 674 686 Cable One
2386 634 917 AT&T Data Communications Serv
705 558 995 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 556 648 Citizens Utilities
6461 540 612 AboveNet Communications, Inc.
4766 522 711 Korea Telecom (KIX)
2686 488 533 IBM
855 447 569 Canadian Research Network
6198 443 601 BellSouth Network Solutions,
9498 431 768 BHARTI BT INTERNET LTD.
702 428 642 UUNET - Commercial IP service
5668 416 533 CenturyTel Internet Holdings,
15270 414 445 PaeTec.net -a division of Pae
1239 395 850 Sprint
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:43 12:1627 13:1 15:15
16:3 17:3 18:4 20:41 24:793 25:1
30:2 32:259 38:236 40:54 41:7 44:3
47:6 52:4 55:1 56:3 57:48 58:201
59:280 60:195 61:872 62:936 63:2109 64:3504
65:2270 66:3682 67:644 68:678 69:1572 70:390
71:85 72:823 74:57 75:1 80:788 81:679
82:686 83:398 84:399 85:582 86:410 87:407
88:117 89:345 91:1 121:3 122:3 123:1
124:277 125:557 128:169 129:185 130:120 131:315
132:35 133:9 134:159 135:49 136:178 137:85
138:206 139:138 140:488 141:135 142:400 143:169
144:230 145:42 146:317 147:142 148:347 149:194
150:115 151:96 152:72 153:118 154:6 155:206
156:187 157:144 158:166 159:173 160:93 161:80
162:246 163:161 164:279 165:230 166:174 167:243
168:613 169:125 170:354 171:14 183:1 190:97
192:5898 193:3372 194:2816 195:2165 196:875 198:4040
199:3325 200:4627 201:970 202:6935 203:7130 204:3972
205:2047 206:2607 207:3374 208:2256 209:3706 210:2149
211:755 212:1368 213:1580 214:362 215:41 216:4215
217:1398 218:313 219:261 220:734 221:351 222:199
End of report
Routing Table Report 04:00 +10GMT Tue 18 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 192537
Prefixes after maximum aggregation: 105896
Unique aggregates announced to Internet: 94035
Total ASes present in the Internet Routing Table: 22657
Origin-only ASes present in the Internet Routing Table: 19707
Origin ASes announcing only one prefix: 9455
Transit ASes present in the Internet Routing Table: 2950
Transit-only ASes present in the Internet Routing Table: 66
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 27
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1535482024
Equivalent to 91 /8s, 133 /16s and 152 /24s
Percentage of available address space announced: 41.4
Percentage of allocated address space announced: 59.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 95177
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41576
Total APNIC prefixes after maximum aggregation: 17119
Prefixes being announced from the APNIC address blocks: 39259
Unique aggregates announced from the APNIC address blocks: 18443
APNIC Region origin ASes present in the Internet Routing Table: 2629
APNIC Region origin ASes announcing only one prefix: 746
APNIC Region transit ASes present in the Internet Routing Table: 394
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 239282272
Equivalent to 14 /8s, 67 /16s and 40 /24s
Percentage of available APNIC address space announced: 74.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 97749
Total ARIN prefixes after maximum aggregation: 58215
Prefixes being announced from the ARIN address blocks: 71547
Unique aggregates announced from the ARIN address blocks: 27034
ARIN Region origin ASes present in the Internet Routing Table: 10823
ARIN Region origin ASes announcing only one prefix: 4075
ARIN Region transit ASes present in the Internet Routing Table: 1006
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 296300544
Equivalent to 17 /8s, 169 /16s and 48 /24s
Percentage of available ARIN address space announced: 76.8
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 38937
Total RIPE prefixes after maximum aggregation: 25901
Prefixes being announced from the RIPE address blocks: 35821
Unique aggregates announced from the RIPE address blocks: 24052
RIPE Region origin ASes present in the Internet Routing Table: 8274
RIPE Region origin ASes announcing only one prefix: 4353
RIPE Region transit ASes present in the Internet Routing Table: 1358
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 260150596
Equivalent to 15 /8s, 129 /16s and 149 /24s
Percentage of available RIPE address space announced: 81.6
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11982
Total LACNIC prefixes after maximum aggregation: 3765
Prefixes being announced from the LACNIC address blocks: 10023
Unique aggregates announced from the LACNIC address blocks: 5683
LACNIC Region origin ASes present in the Internet Routing Table: 707
LACNIC Region origin ASes announcing only one prefix: 237
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31136000
Equivalent to 1 /8s, 219 /16s and 25 /24s
Percentage of available LACNIC address space announced: 46.4
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2291
Total AfriNIC prefixes after maximum aggregation: 896
Prefixes being announced from the AfriNIC address blocks: 1537
Unique aggregates announced from the AfriNIC address blocks: 941
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4188928
Equivalent to 0 /8s, 63 /16s and 235 /24s
Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 1241 7503 236 CHINANET-BACKBONE
4755 968 257 73 Videsh Sanchar Nigam Ltd. Aut
9583 913 109 15 Sify Limited
9498 768 211 71 BHARTI BT INTERNET LTD.
4766 689 4435 303 Korea Telecom (KIX)
1221 610 1779 468 Telstra Pty Ltd
7545 550 124 73 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 449 111 83 Primus Telecommunications
18101 427 85 23 Reliance Infocom Ltd Internet
17974 404 129 14 PT TELEKOMUNIKASI INDONESIA
17849 396 28 123 Telecommunications Technology
17557 382 30 172 Pakistan Telecom
4802 378 81 167 Wantree Development
2907 336 1733 311 SINET Japan
9929 303 231 60 China Netcom Corp.
7474 295 211 229 SingTel Optus Pty Ltd
4837 292 3206 129 chinanet IDC center beijing n
10139 281 19 5 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1474 6246 945 AT&T WorldNet Services
721 1024 21934 310 DLA Systems Automation Center
6197 1014 635 476 BellSouth Network Solutions,
4323 965 746 271 Time Warner Telecom
18566 947 272 8 Covad Communications
174 943 5769 891 Cogent Communications
701 942 6753 777 UUNET Technologies, Inc.
2386 919 558 709 AT&T Data Communications Serv
1239 851 2785 601 Sprint
19262 724 2206 188 Verizon Global Networks
20115 716 622 382 Charter Communications
209 695 3663 548 Qwest
22773 674 1741 40 Cox Communications, Inc.
11492 658 89 12 Cable One
7011 648 218 412 Citizens Utilities
6198 598 555 235 BellSouth Network Solutions,
852 582 1084 381 Telus Advanced Communications
855 573 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 533 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 562 1932 442 UUNET - Commercial IP service
1103 366 1990 80 SURFnet, The Netherlands
3301 316 1187 301 TeliaNet Sweden
3352 305 1639 33 Ibernet, Internet Access Netw
3320 286 5012 234 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 235 89 212 Dynamic Network Technologies,
3246 230 463 220 Song Networks
24863 219 42 11 LINKdotNET AS number
8708 215 276 204 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
30890 207 19 80 SC Kappa Invexim SRL
3215 204 1760 97 France Telecom Transpac
3269 201 2182 72 TELECOM ITALIA
1257 194 741 166 SWIPnet Swedish IP Network
8866 189 37 15 Bulgarian Telecommunication C
6830 175 813 37 UPC Distribution Services
786 169 1778 169 The JANET IP Service
3300 169 171 97 AUCS Communications Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 702 1787 228 UniNet S.A. de C.V.
22047 432 206 11 VTR PUNTO NET S.A.
11172 358 113 85 Servicios Alestra S.A de C.V
16814 331 20 8 NSS, S.A.
6147 268 134 22 Telefonica Del Peru
6471 253 74 28 ENTEL CHILE S.A.
14117 211 13 7 Telefonica del Sur S.A.
6503 181 151 82 AVANTEL, S.A.
7303 181 84 29 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
21826 133 17 22 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19429 131 84 45 E.T.B.
14522 129 18 9 SatNet S.A.
19169 129 8 26 Telconet
14259 119 10 15 GTD Internet S.A.
23216 113 21 9 RAMtelecom Telecomunicaciones
7738 111 410 20 Telecomunicacoes da Bahia S.A
5639 109 12 9 Telecommunications Services o
6505 109 88 79 Global One Communicaoes Ltda
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 284 803 231 The Internet Solution
8452 169 60 7 TEDATA
6713 150 135 11 Itissalat Al-MAGHRIB
2018 135 314 105 Tertiary Education Network
15475 131 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 106 6 2 EEPAD TISP TELECOM & INTERNET
2905 69 139 60 The Internetworking Company o
20928 60 16 3 Noor Advanced Technologies AS
15706 44 8 3 Sudatel Internet Exchange Aut
5713 39 294 35 Telkom SA Ltd
33774 31 7 21 AS Number for Telecom Algeria
16637 25 18 23 Johnnic e-Ventures
23889 24 8 11 MAURITIUS TELECOM
10798 23 1 14 Standard Bank of South Africa
8524 22 1 5 AUCEGYPT Autonomous System
33766 21 2 1 Nyala Communications Pty Ltd
12455 20 6 3 Jambonet Autonomous system
21491 20 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1241 1005 CHINANET-BACKBONE
18566 947 939 Covad Communications
9583 913 898 Sify Limited
4755 968 895 Videsh Sanchar Nigam Ltd. Aut
721 1024 714 DLA Systems Automation Center
9498 768 697 BHARTI BT INTERNET LTD.
4323 965 694 Time Warner Telecom
11492 658 646 Cable One
22773 674 634 Cox Communications, Inc.
6197 1014 538 BellSouth Network Solutions,
19262 724 536 Verizon Global Networks
5668 533 510 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 519 502 Hathway IP Over Cable Interne
855 573 499 Canadian Research Network
7545 550 477 TPG Internet Pty Ltd
8151 702 474 UniNet S.A. de C.V.
22047 432 421 VTR PUNTO NET S.A.
3602 522 418 Sprint Canada, Inc.
15270 445 412 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
183.206.196.0/24 2188 FR-RENATER-ASTER
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:9 /10:11 /11:28 /12:95
/13:202 /14:369 /15:724 /16:8911 /17:3319 /18:5446
/19:11895 /20:13511 /21:11784 /22:14935 /23:16103 /24:104041
/25:377 /26:297 /27:192 /28:67 /29:79 /30:80
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 930 947 Covad Communications
6197 794 1014 BellSouth Network Solutions,
7018 778 1474 AT&T WorldNet Services
9583 743 913 Sify Limited
11492 646 658 Cable One
2386 633 919 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 556 648 Citizens Utilities
4766 500 689 Korea Telecom (KIX)
855 447 573 Canadian Research Network
6198 442 598 BellSouth Network Solutions,
9498 431 768 BHARTI BT INTERNET LTD.
5668 416 533 CenturyTel Internet Holdings,
15270 414 445 PaeTec.net -a division of Pae
1239 397 851 Sprint
17849 390 396 Telecommunications Technology
4755 383 968 Videsh Sanchar Nigam Ltd. Aut
6517 375 409 Yipes Communications, Inc.
18101 358 427 Reliance Infocom Ltd Internet
22773 355 674 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:43 12:1611 13:1 15:15 16:3
17:3 18:4 20:41 24:778 25:1 32:58
38:235 40:54 41:7 44:3 47:6 52:4
55:1 56:3 57:26 58:192 59:249 60:195
61:858 62:813 63:1890 64:3080 65:2238 66:2942
67:623 68:675 69:1543 70:389 71:86 72:820
74:56 75:1 80:769 81:666 82:627 83:397
84:385 85:566 86:408 87:404 88:115 89:344
91:1 121:3 122:3 123:1 124:275 125:557
128:156 129:183 130:119 131:314 132:34 133:8
134:159 135:49 136:177 137:83 138:206 139:51
140:488 141:135 142:384 143:169 144:230 145:42
146:317 147:137 148:347 149:191 150:115 151:96
152:70 153:117 154:5 155:206 156:186 157:143
158:166 159:173 160:93 161:77 162:246 163:161
164:243 165:222 166:174 167:243 168:498 169:125
170:354 171:14 183:1 190:89 192:5805 193:3355
194:2717 195:2010 196:854 198:3962 199:3294 200:4616
201:969 202:6756 203:7090 204:3897 205:2035 206:2404
207:2916 208:2192 209:3403 210:2068 211:714 212:1243
213:1482 214:363 215:41 216:4005 217:1178 218:296
219:228 220:735 221:351 222:189
End of report
Routing Table Report 00:00 GMT Mon 17 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205573
Prefixes after maximum aggregation: 107697
Unique aggregates announced to Internet: 94146
Total ASes present in the Internet Routing Table: 22771
Origin-only ASes present in the Internet Routing Table: 19725
Origin ASes announcing only one prefix: 9465
Transit ASes present in the Internet Routing Table: 3046
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 20
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1548664533
Equivalent to 92 /8s, 78 /16s and 190 /24s
Percentage of available address space announced: 41.8
Percentage of allocated address space announced: 60.4
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105439
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42631
Total APNIC prefixes after maximum aggregation: 17190
Prefixes being announced from the APNIC address blocks: 40244
Unique aggregates announced from the APNIC address blocks: 18446
APNIC Region origin ASes present in the Internet Routing Table: 2637
APNIC Region origin ASes announcing only one prefix: 743
APNIC Region transit ASes present in the Internet Routing Table: 405
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 235652292
Equivalent to 14 /8s, 11 /16s and 196 /24s
Percentage of available APNIC address space announced: 73.7
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 108704
Total ARIN prefixes after maximum aggregation: 59729
Prefixes being announced from the ARIN address blocks: 80934
Unique aggregates announced from the ARIN address blocks: 27035
ARIN Region origin ASes present in the Internet Routing Table: 10878
ARIN Region origin ASes announcing only one prefix: 4096
ARIN Region transit ASes present in the Internet Routing Table: 1045
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 296055841
Equivalent to 17 /8s, 165 /16s and 116 /24s
Percentage of available ARIN address space announced: 76.7
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 39849
Total RIPE prefixes after maximum aggregation: 26083
Prefixes being announced from the RIPE address blocks: 37253
Unique aggregates announced from the RIPE address blocks: 24094
RIPE Region origin ASes present in the Internet Routing Table: 8309
RIPE Region origin ASes announcing only one prefix: 4343
RIPE Region transit ASes present in the Internet Routing Table: 1391
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 260247424
Equivalent to 15 /8s, 131 /16s and 15 /24s
Percentage of available RIPE address space announced: 81.6
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11993
Total LACNIC prefixes after maximum aggregation: 3779
Prefixes being announced from the LACNIC address blocks: 10033
Unique aggregates announced from the LACNIC address blocks: 5684
LACNIC Region origin ASes present in the Internet Routing Table: 707
LACNIC Region origin ASes announcing only one prefix: 238
LACNIC Region transit ASes present in the Internet Routing Table: 141
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 31135488
Equivalent to 1 /8s, 219 /16s and 23 /24s
Percentage of available LACNIC address space announced: 46.4
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2377
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1577
Unique aggregates announced from the AfriNIC address blocks: 939
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4183552
Equivalent to 0 /8s, 63 /16s and 214 /24s
Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 1176 6669 225 CHINANET-BACKBONE
4755 944 255 67 Videsh Sanchar Nigam Ltd. Aut
9583 914 109 15 Sify Limited
9498 769 211 71 BHARTI BT INTERNET LTD.
4766 715 4435 309 Korea Telecom (KIX)
1221 645 1779 477 Telstra Pty Ltd
7545 551 124 74 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 511 2715 30 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 427 85 23 Reliance Infocom Ltd Internet
17974 405 129 14 PT TELEKOMUNIKASI INDONESIA
17849 398 28 124 Telecommunications Technology
9929 397 268 61 China Netcom Corp.
17557 383 30 172 Pakistan Telecom
4802 379 81 168 Wantree Development
7474 357 211 230 SingTel Optus Pty Ltd
2907 335 1733 308 SINET Japan
4804 310 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 642 1932 442 UUNET - Commercial IP service
3215 404 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3352 304 1637 32 Ibernet, Internet Access Netw
3320 284 5012 233 Deutsche Telekom AG
8220 284 471 267 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 233 89 210 Dynamic Network Technologies,
3246 232 463 222 Song Networks
5089 230 1657 44 NTL Group Limited
1257 220 741 164 SWIPnet Swedish IP Network
24863 218 42 10 LINKdotNET AS number
8708 212 275 201 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
30890 207 19 81 SC Kappa Invexim SRL
3269 201 2182 72 TELECOM ITALIA
8866 188 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
3300 172 171 98 AUCS Communications Services
786 170 1778 170 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5022 6753 777 UUNET Technologies, Inc.
4323 3180 746 274 Time Warner Telecom
705 1530 561 672 UUNET Technologies, Inc.
7018 1469 6206 938 AT&T WorldNet Services
6197 1015 635 479 BellSouth Network Solutions,
721 1013 21918 308 DLA Systems Automation Center
18566 947 272 8 Covad Communications
174 933 5688 879 Cogent Communications
2386 919 558 708 AT&T Data Communications Serv
1239 853 2786 604 Sprint
7046 834 252 690 UUNET Technologies, Inc.
19262 720 2142 185 Verizon Global Networks
20115 716 622 382 Charter Communications
209 692 3647 545 Qwest
22773 674 1741 40 Cox Communications, Inc.
11492 657 89 11 Cable One
7011 648 218 412 Citizens Utilities
6461 612 228 83 AboveNet Communications, Inc.
6198 599 556 236 BellSouth Network Solutions,
852 594 1068 378 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3180 2906 Time Warner Telecom
4134 1176 951 CHINANET-BACKBONE
18566 947 939 Covad Communications
9583 914 899 Sify Limited
4755 944 877 Videsh Sanchar Nigam Ltd. Aut
705 1530 858 UUNET Technologies, Inc.
721 1013 705 DLA Systems Automation Center
9498 769 698 BHARTI BT INTERNET LTD.
11492 657 646 Cable One
22773 674 634 Cox Communications, Inc.
6197 1015 536 BellSouth Network Solutions,
19262 720 535 Verizon Global Networks
7018 1469 531 AT&T WorldNet Services
6461 612 529 AboveNet Communications, Inc.
5668 533 510 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 519 502 Hathway IP Over Cable Interne
855 568 499 Canadian Research Network
4538 511 481 China Education and Research
7545 551 477 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio
64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
0.0.0.0/8 3303 Swisscom Ltd
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.31.31.0/30 6325 Illinois Century Network
192.168.83.0/24 292 Energy Sciences Network
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
183.206.196.0/24 2188 FR-RENATER-ASTER
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:11 /11:28 /12:93
/13:205 /14:366 /15:726 /16:8911 /17:3353 /18:5565
/19:12135 /20:13844 /21:12264 /22:15622 /23:16945 /24:113317
/25:447 /26:364 /27:283 /28:208 /29:228 /30:516
/31:0 /32:115
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3775 5022 UUNET Technologies, Inc.
4323 1886 3180 Time Warner Telecom
705 973 1530 UUNET Technologies, Inc.
18566 930 947 Covad Communications
6197 795 1015 BellSouth Network Solutions,
7018 778 1469 AT&T WorldNet Services
9583 744 914 Sify Limited
11492 645 657 Cable One
2386 635 919 AT&T Data Communications Serv
7046 589 834 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 556 648 Citizens Utilities
6461 540 612 AboveNet Communications, Inc.
4766 526 715 Korea Telecom (KIX)
2686 513 558 IBM
855 447 568 Canadian Research Network
6198 443 599 BellSouth Network Solutions,
9498 431 769 BHARTI BT INTERNET LTD.
702 429 642 UUNET - Commercial IP service
5668 416 533 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:43 11:1 12:1629 13:1
15:15 16:3 17:3 18:4 20:41 24:783
25:1 30:2 32:264 38:234 40:54 41:7
44:3 47:6 52:4 55:1 56:3 57:48
58:201 59:279 60:194 61:873 62:942 63:3417
64:3592 65:3663 66:3752 67:641 68:678 69:1570
70:390 71:86 72:821 74:56 75:1 80:788
81:678 82:685 83:396 84:397 85:580 86:409
87:410 88:117 89:338 91:1 121:3 122:3
123:1 124:279 125:555 128:166 129:183 130:120
131:313 132:35 133:9 134:159 135:49 136:177
137:84 138:206 139:139 140:490 141:135 142:406
143:169 144:230 145:40 146:317 147:142 148:341
149:194 150:114 151:96 152:73 153:108 154:6
155:205 156:187 157:145 158:166 159:173 160:93
161:80 162:246 163:160 164:287 165:229 166:174
167:243 168:614 169:125 170:353 171:14 183:1
190:88 192:5812 193:3363 194:2760 195:2123 196:882
198:4096 199:3359 200:4629 201:971 202:6872 203:7133
204:4073 205:2178 206:2793 207:3564 208:3006 209:3811
210:2134 211:757 212:1362 213:1582 214:366 215:41
216:4365 217:1394 218:314 219:252 220:735 221:351
222:199
End of report
Routing Table Report 04:00 +10GMT Mon 17 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 192194
Prefixes after maximum aggregation: 105825
Unique aggregates announced to Internet: 94015
Total ASes present in the Internet Routing Table: 22659
Origin-only ASes present in the Internet Routing Table: 19711
Origin ASes announcing only one prefix: 9456
Transit ASes present in the Internet Routing Table: 2948
Transit-only ASes present in the Internet Routing Table: 66
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 27
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1551652264
Equivalent to 92 /8s, 124 /16s and 85 /24s
Percentage of available address space announced: 41.9
Percentage of allocated address space announced: 60.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 94957
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41546
Total APNIC prefixes after maximum aggregation: 17083
Prefixes being announced from the APNIC address blocks: 39253
Unique aggregates announced from the APNIC address blocks: 18437
APNIC Region origin ASes present in the Internet Routing Table: 2626
APNIC Region origin ASes announcing only one prefix: 743
APNIC Region transit ASes present in the Internet Routing Table: 395
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 239258208
Equivalent to 14 /8s, 66 /16s and 202 /24s
Percentage of available APNIC address space announced: 74.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 97759
Total ARIN prefixes after maximum aggregation: 58210
Prefixes being announced from the ARIN address blocks: 71537
Unique aggregates announced from the ARIN address blocks: 27020
ARIN Region origin ASes present in the Internet Routing Table: 10830
ARIN Region origin ASes announcing only one prefix: 4082
ARIN Region transit ASes present in the Internet Routing Table: 1008
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 295937024
Equivalent to 17 /8s, 163 /16s and 164 /24s
Percentage of available ARIN address space announced: 76.7
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 38619
Total RIPE prefixes after maximum aggregation: 25874
Prefixes being announced from the RIPE address blocks: 35676
Unique aggregates announced from the RIPE address blocks: 24059
RIPE Region origin ASes present in the Internet Routing Table: 8273
RIPE Region origin ASes announcing only one prefix: 4352
RIPE Region transit ASes present in the Internet Routing Table: 1355
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 260097604
Equivalent to 15 /8s, 128 /16s and 198 /24s
Percentage of available RIPE address space announced: 81.6
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11968
Total LACNIC prefixes after maximum aggregation: 3763
Prefixes being announced from the LACNIC address blocks: 10023
Unique aggregates announced from the LACNIC address blocks: 5684
LACNIC Region origin ASes present in the Internet Routing Table: 705
LACNIC Region origin ASes announcing only one prefix: 235
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31135488
Equivalent to 1 /8s, 219 /16s and 23 /24s
Percentage of available LACNIC address space announced: 46.4
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2300
Total AfriNIC prefixes after maximum aggregation: 895
Prefixes being announced from the AfriNIC address blocks: 1554
Unique aggregates announced from the AfriNIC address blocks: 957
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4185088
Equivalent to 0 /8s, 63 /16s and 220 /24s
Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 1245 7528 233 CHINANET-BACKBONE
4755 967 257 73 Videsh Sanchar Nigam Ltd. Aut
9583 914 109 15 Sify Limited
9498 768 211 71 BHARTI BT INTERNET LTD.
4766 689 4435 303 Korea Telecom (KIX)
1221 609 1779 467 Telstra Pty Ltd
7545 550 124 74 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 427 85 23 Reliance Infocom Ltd Internet
17974 404 129 14 PT TELEKOMUNIKASI INDONESIA
17849 396 28 123 Telecommunications Technology
17557 382 30 172 Pakistan Telecom
4802 379 81 168 Wantree Development
2907 336 1733 311 SINET Japan
9929 298 244 56 China Netcom Corp.
7474 295 211 229 SingTel Optus Pty Ltd
4837 287 3195 127 chinanet IDC center beijing n
10139 280 19 5 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1475 6246 946 AT&T WorldNet Services
721 1018 21918 308 DLA Systems Automation Center
6197 1014 635 476 BellSouth Network Solutions,
4323 965 746 271 Time Warner Telecom
18566 947 272 8 Covad Communications
701 942 6753 777 UUNET Technologies, Inc.
174 941 5769 890 Cogent Communications
2386 920 558 709 AT&T Data Communications Serv
1239 851 2785 601 Sprint
19262 723 2190 187 Verizon Global Networks
20115 716 622 382 Charter Communications
209 695 3663 548 Qwest
22773 674 1741 40 Cox Communications, Inc.
11492 657 89 11 Cable One
7011 648 218 412 Citizens Utilities
6198 598 555 235 BellSouth Network Solutions,
852 582 1084 381 Telus Advanced Communications
855 573 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 533 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 563 1932 442 UUNET - Commercial IP service
3301 316 1187 301 TeliaNet Sweden
3352 305 1639 33 Ibernet, Internet Access Netw
3320 285 5012 234 Deutsche Telekom AG
8220 279 471 265 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 235 89 212 Dynamic Network Technologies,
3246 230 463 220 Song Networks
24863 219 42 11 LINKdotNET AS number
8708 211 275 200 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
30890 207 19 81 SC Kappa Invexim SRL
3215 204 1760 97 France Telecom Transpac
3269 201 2182 72 TELECOM ITALIA
1257 194 741 166 SWIPnet Swedish IP Network
8866 188 37 15 Bulgarian Telecommunication C
6830 175 813 37 UPC Distribution Services
786 169 1778 169 The JANET IP Service
3300 169 171 97 AUCS Communications Services
5400 160 352 142 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 698 1787 228 UniNet S.A. de C.V.
22047 432 206 11 VTR PUNTO NET S.A.
11172 358 113 85 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 267 134 22 Telefonica Del Peru
6471 253 74 28 ENTEL CHILE S.A.
14117 211 13 7 Telefonica del Sur S.A.
6503 181 151 82 AVANTEL, S.A.
7303 181 84 29 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
21826 133 17 22 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19429 131 84 45 E.T.B.
14522 129 18 9 SatNet S.A.
19169 129 8 26 Telconet
14259 119 10 15 GTD Internet S.A.
23216 113 21 9 RAMtelecom Telecomunicaciones
7738 111 410 20 Telecomunicacoes da Bahia S.A
5639 109 12 9 Telecommunications Services o
6505 109 88 79 Global One Communicaoes Ltda
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 284 803 231 The Internet Solution
8452 169 60 7 TEDATA
6713 150 135 11 Itissalat Al-MAGHRIB
2018 135 314 105 Tertiary Education Network
15475 131 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 105 6 2 EEPAD TISP TELECOM & INTERNET
2905 69 139 60 The Internetworking Company o
20928 60 16 3 Noor Advanced Technologies AS
15706 44 8 3 Sudatel Internet Exchange Aut
5713 39 294 35 Telkom SA Ltd
33774 31 7 21 AS Number for Telecom Algeria
16637 25 18 23 Johnnic e-Ventures
23889 24 8 11 MAURITIUS TELECOM
10798 23 1 14 Standard Bank of South Africa
8524 22 1 5 AUCEGYPT Autonomous System
33766 21 2 1 Nyala Communications Pty Ltd
12455 20 6 3 Jambonet Autonomous system
21491 20 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1245 1012 CHINANET-BACKBONE
18566 947 939 Covad Communications
9583 914 899 Sify Limited
4755 967 894 Videsh Sanchar Nigam Ltd. Aut
721 1018 710 DLA Systems Automation Center
9498 768 697 BHARTI BT INTERNET LTD.
4323 965 694 Time Warner Telecom
11492 657 646 Cable One
22773 674 634 Cox Communications, Inc.
6197 1014 538 BellSouth Network Solutions,
19262 723 536 Verizon Global Networks
5668 533 510 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 519 502 Hathway IP Over Cable Interne
855 573 499 Canadian Research Network
7545 550 476 TPG Internet Pty Ltd
8151 698 470 UniNet S.A. de C.V.
22047 432 421 VTR PUNTO NET S.A.
3602 521 418 Sprint Canada, Inc.
15270 444 411 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
183.206.196.0/24 2188 FR-RENATER-ASTER
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:9 /10:11 /11:28 /12:95
/13:202 /14:369 /15:723 /16:8895 /17:3307 /18:5437
/19:11882 /20:13493 /21:11774 /22:14907 /23:16074 /24:103850
/25:385 /26:290 /27:178 /28:64 /29:79 /30:79
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 930 947 Covad Communications
6197 794 1014 BellSouth Network Solutions,
7018 779 1475 AT&T WorldNet Services
9583 744 914 Sify Limited
11492 645 657 Cable One
2386 634 920 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 556 648 Citizens Utilities
4766 500 689 Korea Telecom (KIX)
855 447 573 Canadian Research Network
6198 442 598 BellSouth Network Solutions,
9498 431 768 BHARTI BT INTERNET LTD.
5668 416 533 CenturyTel Internet Holdings,
15270 413 444 PaeTec.net -a division of Pae
1239 397 851 Sprint
17849 390 396 Telecommunications Technology
4755 382 967 Videsh Sanchar Nigam Ltd. Aut
6517 375 409 Yipes Communications, Inc.
18101 358 427 Reliance Infocom Ltd Internet
22773 355 674 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:43 11:1 12:1611 13:1 15:15
16:3 17:3 18:4 20:41 24:778 25:1
32:58 38:234 40:54 41:7 44:3 47:6
52:4 55:1 56:3 57:25 58:192 59:249
60:193 61:859 62:814 63:1887 64:3079 65:2240
66:2945 67:623 68:675 69:1543 70:389 71:86
72:819 74:56 75:1 80:767 81:665 82:630
83:392 84:384 85:570 86:409 87:404 88:115
89:342 121:3 122:3 123:1 124:275 125:555
128:154 129:183 130:119 131:311 132:34 133:8
134:159 135:49 136:177 137:83 138:206 139:51
140:489 141:135 142:384 143:167 144:230 145:40
146:317 147:137 148:343 149:191 150:114 151:96
152:70 153:107 154:5 155:206 156:186 157:143
158:166 159:172 160:93 161:77 162:246 163:160
164:243 165:224 166:174 167:243 168:498 169:125
170:353 171:14 183:1 190:88 192:5717 193:3353
194:2656 195:1963 196:872 198:3961 199:3288 200:4625
201:968 202:6748 203:7093 204:3895 205:2049 206:2404
207:2920 208:2193 209:3399 210:2069 211:714 212:1241
213:1483 214:366 215:41 216:4006 217:1185 218:297
219:228 220:735 221:351 222:189
End of report
Routing Table Report 00:00 GMT Sun 16 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205476
Prefixes after maximum aggregation: 107577
Unique aggregates announced to Internet: 93962
Total ASes present in the Internet Routing Table: 22725
Origin-only ASes present in the Internet Routing Table: 19692
Origin ASes announcing only one prefix: 9444
Transit ASes present in the Internet Routing Table: 3033
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 28
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 20
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1551877301
Equivalent to 92 /8s, 127 /16s and 196 /24s
Percentage of available address space announced: 41.9
Percentage of allocated address space announced: 60.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105403
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42708
Total APNIC prefixes after maximum aggregation: 17213
Prefixes being announced from the APNIC address blocks: 40329
Unique aggregates announced from the APNIC address blocks: 18328
APNIC Region origin ASes present in the Internet Routing Table: 2635
APNIC Region origin ASes announcing only one prefix: 742
APNIC Region transit ASes present in the Internet Routing Table: 405
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 239289252
Equivalent to 14 /8s, 67 /16s and 67 /24s
Percentage of available APNIC address space announced: 74.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 108565
Total ARIN prefixes after maximum aggregation: 59622
Prefixes being announced from the ARIN address blocks: 80885
Unique aggregates announced from the ARIN address blocks: 27018
ARIN Region origin ASes present in the Internet Routing Table: 10844
ARIN Region origin ASes announcing only one prefix: 4075
ARIN Region transit ASes present in the Internet Routing Table: 1027
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 296003105
Equivalent to 17 /8s, 164 /16s and 166 /24s
Percentage of available ARIN address space announced: 76.7
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 39856
Total RIPE prefixes after maximum aggregation: 26074
Prefixes being announced from the RIPE address blocks: 37276
Unique aggregates announced from the RIPE address blocks: 24068
RIPE Region origin ASes present in the Internet Routing Table: 8304
RIPE Region origin ASes announcing only one prefix: 4346
RIPE Region transit ASes present in the Internet Routing Table: 1400
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 260168576
Equivalent to 15 /8s, 129 /16s and 219 /24s
Percentage of available RIPE address space announced: 81.6
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11965
Total LACNIC prefixes after maximum aggregation: 3760
Prefixes being announced from the LACNIC address blocks: 10019
Unique aggregates announced from the LACNIC address blocks: 5680
LACNIC Region origin ASes present in the Internet Routing Table: 703
LACNIC Region origin ASes announcing only one prefix: 236
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 31134976
Equivalent to 1 /8s, 219 /16s and 21 /24s
Percentage of available LACNIC address space announced: 46.4
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2363
Total AfriNIC prefixes after maximum aggregation: 908
Prefixes being announced from the AfriNIC address blocks: 1576
Unique aggregates announced from the AfriNIC address blocks: 939
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4182784
Equivalent to 0 /8s, 63 /16s and 211 /24s
Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 1247 7512 233 CHINANET-BACKBONE
4755 941 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 914 109 15 Sify Limited
9498 769 211 71 BHARTI BT INTERNET LTD.
4766 715 4435 309 Korea Telecom (KIX)
1221 646 1779 478 Telstra Pty Ltd
7545 550 124 74 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 511 2715 30 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 427 85 23 Reliance Infocom Ltd Internet
17974 404 129 14 PT TELEKOMUNIKASI INDONESIA
17849 398 28 124 Telecommunications Technology
9929 393 281 57 China Netcom Corp.
17557 383 30 172 Pakistan Telecom
4802 380 81 169 Wantree Development
7474 357 211 230 SingTel Optus Pty Ltd
2907 341 1750 314 SINET Japan
4804 310 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 641 1932 442 UUNET - Commercial IP service
3215 404 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3352 305 1639 33 Ibernet, Internet Access Netw
3320 284 5012 233 Deutsche Telekom AG
8220 283 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 233 89 210 Dynamic Network Technologies,
3246 232 463 222 Song Networks
5089 230 1657 44 NTL Group Limited
1257 219 741 163 SWIPnet Swedish IP Network
24863 218 42 10 LINKdotNET AS number
8708 216 276 205 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
30890 206 18 80 SC Kappa Invexim SRL
3269 201 2182 72 TELECOM ITALIA
8866 187 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
786 170 1778 170 The JANET IP Service
3300 170 171 96 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5019 6752 777 UUNET Technologies, Inc.
4323 3174 746 274 Time Warner Telecom
705 1528 561 673 UUNET Technologies, Inc.
7018 1466 6221 938 AT&T WorldNet Services
6197 1016 636 477 BellSouth Network Solutions,
721 1006 21917 307 DLA Systems Automation Center
18566 947 272 8 Covad Communications
174 944 5753 890 Cogent Communications
2386 919 558 708 AT&T Data Communications Serv
1239 853 2786 604 Sprint
7046 835 253 691 UUNET Technologies, Inc.
19262 723 2190 187 Verizon Global Networks
20115 714 622 386 Charter Communications
209 693 3663 546 Qwest
22773 674 1741 40 Cox Communications, Inc.
11492 657 89 11 Cable One
7011 648 218 412 Citizens Utilities
6461 611 228 83 AboveNet Communications, Inc.
6198 599 556 236 BellSouth Network Solutions,
852 597 1084 381 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3174 2900 Time Warner Telecom
4134 1247 1014 CHINANET-BACKBONE
18566 947 939 Covad Communications
9583 914 899 Sify Limited
4755 941 875 Videsh Sanchar Nigam Ltd. Aut
705 1528 855 UUNET Technologies, Inc.
721 1006 699 DLA Systems Automation Center
9498 769 698 BHARTI BT INTERNET LTD.
11492 657 646 Cable One
22773 674 634 Cox Communications, Inc.
6197 1016 539 BellSouth Network Solutions,
19262 723 536 Verizon Global Networks
7018 1466 528 AT&T WorldNet Services
6461 611 528 AboveNet Communications, Inc.
5668 533 510 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 519 502 Hathway IP Over Cable Interne
855 573 499 Canadian Research Network
4538 511 481 China Education and Research
7545 550 476 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio
64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
0.0.0.0/8 3303 Swisscom Ltd
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.31.31.0/30 6325 Illinois Century Network
192.168.83.0/24 292 Energy Sciences Network
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
183.206.196.0/24 2188 FR-RENATER-ASTER
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:11 /11:28 /12:95
/13:208 /14:369 /15:727 /16:8919 /17:3373 /18:5565
/19:12157 /20:13825 /21:12278 /22:15624 /23:16945 /24:113145
/25:464 /26:365 /27:283 /28:208 /29:228 /30:518
/31:0 /32:114
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3772 5019 UUNET Technologies, Inc.
4323 1880 3174 Time Warner Telecom
705 970 1528 UUNET Technologies, Inc.
18566 930 947 Covad Communications
6197 796 1016 BellSouth Network Solutions,
7018 776 1466 AT&T WorldNet Services
9583 744 914 Sify Limited
11492 645 657 Cable One
2386 635 919 AT&T Data Communications Serv
7046 590 835 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 556 648 Citizens Utilities
6461 539 611 AboveNet Communications, Inc.
4766 526 715 Korea Telecom (KIX)
2686 513 558 IBM
855 447 573 Canadian Research Network
6198 443 599 BellSouth Network Solutions,
9498 431 769 BHARTI BT INTERNET LTD.
702 429 641 UUNET - Commercial IP service
5668 416 533 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:43 11:1 12:1629 13:1
15:15 16:3 17:3 18:4 20:41 24:783
25:1 30:2 32:264 38:235 40:54 41:7
44:3 47:6 52:4 55:1 56:3 57:47
58:202 59:278 60:191 61:870 62:943 63:3418
64:3593 65:3658 66:3756 67:643 68:678 69:1570
70:390 71:86 72:821 74:56 75:1 80:788
81:678 82:688 83:391 84:395 85:585 86:408
87:410 88:117 89:341 91:1 121:3 122:3
123:1 124:277 125:555 128:162 129:184 130:120
131:311 132:35 133:9 134:159 135:49 136:178
137:84 138:206 139:139 140:411 141:135 142:405
143:167 144:230 145:40 146:316 147:142 148:341
149:194 150:114 151:96 152:73 153:107 154:6
155:205 156:187 157:145 158:166 159:174 160:93
161:75 162:245 163:160 164:282 165:229 166:174
167:243 168:614 169:125 170:353 171:14 183:1
190:88 192:5802 193:3365 194:2760 195:2124 196:882
198:4089 199:3359 200:4619 201:970 202:6849 203:7119
204:4064 205:2170 206:2784 207:3561 208:3003 209:3802
210:2150 211:758 212:1366 213:1579 214:361 215:41
216:4363 217:1403 218:314 219:262 220:735 221:351
222:199
End of report
Routing Table Report 04:00 +10GMT Sun 16 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 192140
Prefixes after maximum aggregation: 105814
Unique aggregates announced to Internet: 93995
Total ASes present in the Internet Routing Table: 22662
Origin-only ASes present in the Internet Routing Table: 19713
Origin ASes announcing only one prefix: 9461
Transit ASes present in the Internet Routing Table: 2949
Transit-only ASes present in the Internet Routing Table: 66
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 27
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1551645096
Equivalent to 92 /8s, 124 /16s and 57 /24s
Percentage of available address space announced: 41.9
Percentage of allocated address space announced: 60.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 94901
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41565
Total APNIC prefixes after maximum aggregation: 17102
Prefixes being announced from the APNIC address blocks: 39273
Unique aggregates announced from the APNIC address blocks: 18428
APNIC Region origin ASes present in the Internet Routing Table: 2628
APNIC Region origin ASes announcing only one prefix: 746
APNIC Region transit ASes present in the Internet Routing Table: 396
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 239306592
Equivalent to 14 /8s, 67 /16s and 135 /24s
Percentage of available APNIC address space announced: 74.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 97686
Total ARIN prefixes after maximum aggregation: 58177
Prefixes being announced from the ARIN address blocks: 71548
Unique aggregates announced from the ARIN address blocks: 27016
ARIN Region origin ASes present in the Internet Routing Table: 10831
ARIN Region origin ASes announcing only one prefix: 4081
ARIN Region transit ASes present in the Internet Routing Table: 1005
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 295985920
Equivalent to 17 /8s, 164 /16s and 99 /24s
Percentage of available ARIN address space announced: 76.7
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 38624
Total RIPE prefixes after maximum aggregation: 25879
Prefixes being announced from the RIPE address blocks: 35679
Unique aggregates announced from the RIPE address blocks: 24069
RIPE Region origin ASes present in the Internet Routing Table: 8273
RIPE Region origin ASes announcing only one prefix: 4355
RIPE Region transit ASes present in the Internet Routing Table: 1360
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 260049220
Equivalent to 15 /8s, 128 /16s and 9 /24s
Percentage of available RIPE address space announced: 81.6
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11967
Total LACNIC prefixes after maximum aggregation: 3761
Prefixes being announced from the LACNIC address blocks: 10015
Unique aggregates announced from the LACNIC address blocks: 5675
LACNIC Region origin ASes present in the Internet Routing Table: 705
LACNIC Region origin ASes announcing only one prefix: 235
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31130880
Equivalent to 1 /8s, 219 /16s and 5 /24s
Percentage of available LACNIC address space announced: 46.4
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2296
Total AfriNIC prefixes after maximum aggregation: 895
Prefixes being announced from the AfriNIC address blocks: 1552
Unique aggregates announced from the AfriNIC address blocks: 958
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4185344
Equivalent to 0 /8s, 63 /16s and 221 /24s
Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 1244 7528 233 CHINANET-BACKBONE
4755 967 257 74 Videsh Sanchar Nigam Ltd. Aut
9583 914 109 15 Sify Limited
9498 767 211 71 BHARTI BT INTERNET LTD.
4766 689 4435 303 Korea Telecom (KIX)
1221 610 1779 468 Telstra Pty Ltd
7545 551 124 74 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 427 85 23 Reliance Infocom Ltd Internet
17974 405 129 14 PT TELEKOMUNIKASI INDONESIA
17849 396 28 123 Telecommunications Technology
17557 382 30 172 Pakistan Telecom
4802 379 81 168 Wantree Development
2907 336 1733 311 SINET Japan
9929 298 244 56 China Netcom Corp.
7474 295 211 229 SingTel Optus Pty Ltd
4837 288 3196 128 chinanet IDC center beijing n
10139 280 19 5 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1473 6246 944 AT&T WorldNet Services
721 1018 21934 309 DLA Systems Automation Center
6197 1013 635 478 BellSouth Network Solutions,
4323 965 746 271 Time Warner Telecom
18566 947 272 8 Covad Communications
701 942 6753 777 UUNET Technologies, Inc.
174 941 5769 890 Cogent Communications
2386 920 558 709 AT&T Data Communications Serv
1239 852 2785 602 Sprint
19262 723 2190 187 Verizon Global Networks
20115 716 622 382 Charter Communications
209 693 3663 547 Qwest
22773 674 1741 40 Cox Communications, Inc.
11492 657 89 11 Cable One
7011 648 218 412 Citizens Utilities
6198 598 568 236 BellSouth Network Solutions,
852 581 1084 381 Telus Advanced Communications
855 573 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 533 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 563 1932 442 UUNET - Commercial IP service
3301 316 1187 301 TeliaNet Sweden
3352 305 1639 33 Ibernet, Internet Access Netw
3320 285 5012 234 Deutsche Telekom AG
8220 279 471 265 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 235 89 212 Dynamic Network Technologies,
3246 230 463 220 Song Networks
24863 219 42 11 LINKdotNET AS number
8708 215 276 204 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
30890 206 18 80 SC Kappa Invexim SRL
3215 204 1760 97 France Telecom Transpac
3269 201 2182 72 TELECOM ITALIA
1257 193 741 165 SWIPnet Swedish IP Network
8866 188 37 15 Bulgarian Telecommunication C
6830 175 813 37 UPC Distribution Services
786 169 1778 169 The JANET IP Service
3300 169 171 97 AUCS Communications Services
5400 160 352 142 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 697 1787 228 UniNet S.A. de C.V.
22047 432 206 11 VTR PUNTO NET S.A.
11172 358 113 85 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 267 134 22 Telefonica Del Peru
6471 250 73 25 ENTEL CHILE S.A.
14117 211 13 7 Telefonica del Sur S.A.
7303 181 84 29 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
6503 178 150 79 AVANTEL, S.A.
21826 133 17 22 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19429 131 84 45 E.T.B.
14522 129 18 9 SatNet S.A.
19169 129 8 26 Telconet
14259 119 10 15 GTD Internet S.A.
23216 113 21 9 RAMtelecom Telecomunicaciones
7738 111 410 20 Telecomunicacoes da Bahia S.A
5639 109 12 9 Telecommunications Services o
6505 109 88 79 Global One Communicaoes Ltda
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 282 803 231 The Internet Solution
8452 169 60 7 TEDATA
6713 150 135 11 Itissalat Al-MAGHRIB
2018 135 314 105 Tertiary Education Network
15475 130 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 105 6 2 EEPAD TISP TELECOM & INTERNET
2905 69 139 60 The Internetworking Company o
20928 60 16 3 Noor Advanced Technologies AS
15706 44 8 3 Sudatel Internet Exchange Aut
5713 39 294 35 Telkom SA Ltd
33774 31 7 21 AS Number for Telecom Algeria
16637 25 18 23 Johnnic e-Ventures
23889 24 8 11 MAURITIUS TELECOM
10798 23 1 14 Standard Bank of South Africa
8524 22 1 5 AUCEGYPT Autonomous System
33766 21 2 1 Nyala Communications Pty Ltd
12455 20 6 3 Jambonet Autonomous system
21491 20 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1244 1011 CHINANET-BACKBONE
18566 947 939 Covad Communications
9583 914 899 Sify Limited
4755 967 893 Videsh Sanchar Nigam Ltd. Aut
721 1018 709 DLA Systems Automation Center
9498 767 696 BHARTI BT INTERNET LTD.
4323 965 694 Time Warner Telecom
11492 657 646 Cable One
22773 674 634 Cox Communications, Inc.
19262 723 536 Verizon Global Networks
6197 1013 535 BellSouth Network Solutions,
5668 533 510 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 519 502 Hathway IP Over Cable Interne
855 573 499 Canadian Research Network
7545 551 477 TPG Internet Pty Ltd
8151 697 469 UniNet S.A. de C.V.
3602 525 421 Sprint Canada, Inc.
22047 432 421 VTR PUNTO NET S.A.
15270 444 411 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
183.206.196.0/24 2188 FR-RENATER-ASTER
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:9 /10:11 /11:28 /12:95
/13:202 /14:369 /15:723 /16:8895 /17:3305 /18:5437
/19:11883 /20:13510 /21:11783 /22:14912 /23:16076 /24:103755
/25:385 /26:299 /27:178 /28:65 /29:79 /30:78
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 930 947 Covad Communications
6197 793 1013 BellSouth Network Solutions,
7018 779 1473 AT&T WorldNet Services
9583 744 914 Sify Limited
11492 645 657 Cable One
2386 634 920 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 556 648 Citizens Utilities
4766 500 689 Korea Telecom (KIX)
855 447 573 Canadian Research Network
6198 440 598 BellSouth Network Solutions,
9498 430 767 BHARTI BT INTERNET LTD.
5668 416 533 CenturyTel Internet Holdings,
15270 413 444 PaeTec.net -a division of Pae
1239 397 852 Sprint
17849 390 396 Telecommunications Technology
4755 382 967 Videsh Sanchar Nigam Ltd. Aut
6517 375 409 Yipes Communications, Inc.
18101 358 427 Reliance Infocom Ltd Internet
22773 355 674 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:43 11:1 12:1612 13:1 15:15
16:3 17:3 18:4 20:41 24:778 25:1
32:58 38:234 40:54 41:7 44:3 47:6
52:4 55:1 56:3 57:26 58:192 59:248
60:194 61:860 62:815 63:1888 64:3078 65:2238
66:2944 67:624 68:675 69:1549 70:389 71:86
72:817 74:56 75:1 80:769 81:665 82:629
83:388 84:384 85:569 86:409 87:404 88:114
89:341 121:3 122:3 123:1 124:275 125:555
128:151 129:184 130:118 131:311 132:34 133:8
134:159 135:48 136:178 137:83 138:206 139:51
140:410 141:135 142:383 143:169 144:230 145:40
146:317 147:137 148:342 149:191 150:114 151:96
152:70 153:107 154:5 155:205 156:186 157:143
158:166 159:173 160:93 161:77 162:246 163:160
164:243 165:224 166:174 167:243 168:497 169:125
170:353 171:14 183:1 190:88 192:5717 193:3356
194:2657 195:1963 196:872 198:3956 199:3284 200:4621
201:968 202:6749 203:7090 204:3896 205:2050 206:2404
207:2920 208:2192 209:3400 210:2068 211:714 212:1242
213:1482 214:366 215:41 216:4006 217:1184 218:296
219:228 220:735 221:351 222:189
End of report
Routing Table Report 00:00 GMT Sat 15 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205674
Prefixes after maximum aggregation: 107722
Unique aggregates announced to Internet: 94032
Total ASes present in the Internet Routing Table: 22734
Origin-only ASes present in the Internet Routing Table: 19687
Origin ASes announcing only one prefix: 9444
Transit ASes present in the Internet Routing Table: 3047
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 28
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 23
Unregistered ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1552402357
Equivalent to 92 /8s, 135 /16s and 199 /24s
Percentage of available address space announced: 41.9
Percentage of allocated address space announced: 60.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105413
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42759
Total APNIC prefixes after maximum aggregation: 17221
Prefixes being announced from the APNIC address blocks: 40369
Unique aggregates announced from the APNIC address blocks: 18371
APNIC Region origin ASes present in the Internet Routing Table: 2636
APNIC Region origin ASes announcing only one prefix: 745
APNIC Region transit ASes present in the Internet Routing Table: 406
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 239220132
Equivalent to 14 /8s, 66 /16s and 53 /24s
Percentage of available APNIC address space announced: 74.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 108707
Total ARIN prefixes after maximum aggregation: 59738
Prefixes being announced from the ARIN address blocks: 80905
Unique aggregates announced from the ARIN address blocks: 27017
ARIN Region origin ASes present in the Internet Routing Table: 10843
ARIN Region origin ASes announcing only one prefix: 4072
ARIN Region transit ASes present in the Internet Routing Table: 1027
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 296028705
Equivalent to 17 /8s, 165 /16s and 10 /24s
Percentage of available ARIN address space announced: 76.7
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 39854
Total RIPE prefixes after maximum aggregation: 26097
Prefixes being announced from the RIPE address blocks: 37256
Unique aggregates announced from the RIPE address blocks: 24080
RIPE Region origin ASes present in the Internet Routing Table: 8311
RIPE Region origin ASes announcing only one prefix: 4347
RIPE Region transit ASes present in the Internet Routing Table: 1398
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 260233344
Equivalent to 15 /8s, 130 /16s and 216 /24s
Percentage of available RIPE address space announced: 81.6
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11968
Total LACNIC prefixes after maximum aggregation: 3753
Prefixes being announced from the LACNIC address blocks: 10022
Unique aggregates announced from the LACNIC address blocks: 5667
LACNIC Region origin ASes present in the Internet Routing Table: 705
LACNIC Region origin ASes announcing only one prefix: 235
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 31129856
Equivalent to 1 /8s, 219 /16s and 1 /24s
Percentage of available LACNIC address space announced: 46.4
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2364
Total AfriNIC prefixes after maximum aggregation: 913
Prefixes being announced from the AfriNIC address blocks: 1583
Unique aggregates announced from the AfriNIC address blocks: 955
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC addresses announced to Internet: 4187648
Equivalent to 0 /8s, 63 /16s and 230 /24s
Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 1246 7512 233 CHINANET-BACKBONE
4755 940 255 65 Videsh Sanchar Nigam Ltd. Aut
9583 914 109 15 Sify Limited
9498 763 211 70 BHARTI BT INTERNET LTD.
4766 715 4435 309 Korea Telecom (KIX)
1221 646 1779 478 Telstra Pty Ltd
7545 552 124 75 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 511 2715 30 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 425 85 23 Reliance Infocom Ltd Internet
17974 406 129 14 PT TELEKOMUNIKASI INDONESIA
17849 398 28 124 Telecommunications Technology
9929 393 281 57 China Netcom Corp.
4802 382 81 171 Wantree Development
17557 382 30 172 Pakistan Telecom
7474 357 211 230 SingTel Optus Pty Ltd
2907 339 1733 312 SINET Japan
4804 309 295 57 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 644 1932 443 UUNET - Commercial IP service
3215 404 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3352 305 1639 33 Ibernet, Internet Access Netw
3320 284 5012 233 Deutsche Telekom AG
8220 283 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 235 89 210 Dynamic Network Technologies,
3246 232 463 222 Song Networks
5089 230 1657 44 NTL Group Limited
1257 220 741 164 SWIPnet Swedish IP Network
8708 216 276 205 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
8551 209 198 29 Bezeq International
30890 206 18 80 SC Kappa Invexim SRL
3269 201 2182 72 TELECOM ITALIA
8866 187 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
3300 172 171 98 AUCS Communications Services
786 169 1762 169 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5023 6752 778 UUNET Technologies, Inc.
4323 3178 746 274 Time Warner Telecom
705 1528 561 673 UUNET Technologies, Inc.
7018 1467 6222 946 AT&T WorldNet Services
721 1020 21934 309 DLA Systems Automation Center
6197 1015 635 479 BellSouth Network Solutions,
18566 946 272 8 Covad Communications
174 945 5769 891 Cogent Communications
2386 922 558 710 AT&T Data Communications Serv
1239 862 2795 610 Sprint
7046 834 252 690 UUNET Technologies, Inc.
19262 723 2190 187 Verizon Global Networks
20115 714 622 386 Charter Communications
209 692 3662 545 Qwest
22773 669 1741 35 Cox Communications, Inc.
11492 657 89 11 Cable One
7011 648 218 412 Citizens Utilities
6461 611 228 83 AboveNet Communications, Inc.
6198 599 568 237 BellSouth Network Solutions,
852 598 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3178 2904 Time Warner Telecom
4134 1246 1013 CHINANET-BACKBONE
18566 946 938 Covad Communications
9583 914 899 Sify Limited
4755 940 875 Videsh Sanchar Nigam Ltd. Aut
705 1528 855 UUNET Technologies, Inc.
721 1020 711 DLA Systems Automation Center
9498 763 693 BHARTI BT INTERNET LTD.
11492 657 646 Cable One
22773 669 634 Cox Communications, Inc.
6197 1015 536 BellSouth Network Solutions,
19262 723 536 Verizon Global Networks
6461 611 528 AboveNet Communications, Inc.
7018 1467 521 AT&T WorldNet Services
5668 533 510 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 519 502 Hathway IP Over Cable Interne
855 573 499 Canadian Research Network
4538 511 481 China Education and Research
7545 552 477 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
64871 PRIVATE 64.195.128.0/24 7911 Williams Communicati
64871 PRIVATE 64.195.139.0/24 7911 Williams Communicati
64871 PRIVATE 64.195.140.0/24 7911 Williams Communicati
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio
64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
0.0.0.0/8 3303 Swisscom Ltd
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.31.31.0/30 6325 Illinois Century Network
192.168.83.0/24 292 Energy Sciences Network
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
183.206.196.0/24 2188 FR-RENATER-ASTER
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:11 /11:28 /12:95
/13:208 /14:369 /15:727 /16:8927 /17:3373 /18:5566
/19:12149 /20:13840 /21:12277 /22:15635 /23:16951 /24:113328
/25:461 /26:364 /27:278 /28:206 /29:222 /30:518
/31:0 /32:114
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3772 5023 UUNET Technologies, Inc.
4323 1884 3178 Time Warner Telecom
705 970 1528 UUNET Technologies, Inc.
18566 929 946 Covad Communications
6197 795 1015 BellSouth Network Solutions,
7018 774 1467 AT&T WorldNet Services
9583 744 914 Sify Limited
11492 645 657 Cable One
2386 635 922 AT&T Data Communications Serv
7046 590 834 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 556 648 Citizens Utilities
6461 539 611 AboveNet Communications, Inc.
4766 526 715 Korea Telecom (KIX)
2686 513 558 IBM
855 447 573 Canadian Research Network
6198 441 599 BellSouth Network Solutions,
702 431 644 UUNET - Commercial IP service
9498 427 763 BHARTI BT INTERNET LTD.
5668 416 533 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:43 11:1 12:1629 13:1
15:15 16:3 17:3 18:4 20:41 24:782
25:1 30:2 32:264 38:235 40:54 41:7
44:3 47:6 52:4 55:1 56:3 57:47
58:200 59:275 60:190 61:872 62:940 63:3415
64:3589 65:3666 66:3752 67:642 68:678 69:1557
70:390 71:86 72:816 74:56 75:1 80:786
81:678 82:689 83:384 84:396 85:585 86:411
87:410 88:113 89:341 91:1 121:3 122:3
123:1 124:279 125:552 128:163 129:184 130:120
131:313 132:35 133:9 134:159 135:48 136:178
137:84 138:206 139:139 140:490 141:135 142:405
143:169 144:229 145:40 146:317 147:142 148:344
149:194 150:114 151:96 152:73 153:107 154:6
155:206 156:186 157:145 158:166 159:173 160:93
161:79 162:245 163:160 164:287 165:229 166:174
167:243 168:613 169:125 170:353 171:14 183:1
190:88 192:5819 193:3372 194:2764 195:2125 196:895
198:4095 199:3362 200:4627 201:969 202:6921 203:7120
204:4071 205:2176 206:2795 207:3568 208:2999 209:3812
210:2118 211:755 212:1368 213:1577 214:366 215:41
216:4359 217:1401 218:314 219:262 220:733 221:351
222:198
End of report
