This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats(a)lists.apnic.net
If you have any comments please contact Philip Smith <pfs(a)cisco.com>.
Routing Table Report 04:00 +10GMT Sat 01 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 191157
Prefixes after maximum aggregation: 105349
Unique aggregates announced to Internet: 93642
Total ASes present in the Internet Routing Table: 22571
Origin-only ASes present in the Internet Routing Table: 19635
Origin ASes announcing only one prefix: 9426
Transit ASes present in the Internet Routing Table: 2936
Transit-only ASes present in the Internet Routing Table: 63
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 24
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1538359784
Equivalent to 91 /8s, 177 /16s and 129 /24s
Percentage of available address space announced: 41.5
Percentage of allocated address space announced: 60.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 94478
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41147
Total APNIC prefixes after maximum aggregation: 16948
Prefixes being announced from the APNIC address blocks: 38854
Unique aggregates announced from the APNIC address blocks: 18463
APNIC Region origin ASes present in the Internet Routing Table: 2619
APNIC Region origin ASes announcing only one prefix: 745
APNIC Region transit ASes present in the Internet Routing Table: 397
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 234924896
Equivalent to 14 /8s, 0 /16s and 171 /24s
Percentage of available APNIC address space announced: 73.5
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: 97722
Total ARIN prefixes after maximum aggregation: 58080
Prefixes being announced from the ARIN address blocks: 71582
Unique aggregates announced from the ARIN address blocks: 27003
ARIN Region origin ASes present in the Internet Routing Table: 10808
ARIN Region origin ASes announcing only one prefix: 4083
ARIN Region transit ASes present in the Internet Routing Table: 991
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 294963200
Equivalent to 17 /8s, 148 /16s and 200 /24s
Percentage of available ARIN address space announced: 76.4
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: 38343
Total RIPE prefixes after maximum aggregation: 25693
Prefixes being announced from the RIPE address blocks: 35391
Unique aggregates announced from the RIPE address blocks: 23902
RIPE Region origin ASes present in the Internet Routing Table: 8219
RIPE Region origin ASes announcing only one prefix: 4320
RIPE Region transit ASes present in the Internet Routing Table: 1357
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 255037316
Equivalent to 15 /8s, 51 /16s and 143 /24s
Percentage of available RIPE address space announced: 80.0
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: 11678
Total LACNIC prefixes after maximum aggregation: 3726
Prefixes being announced from the LACNIC address blocks: 9808
Unique aggregates announced from the LACNIC address blocks: 5588
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: 135
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 28064256
Equivalent to 1 /8s, 172 /16s and 58 /24s
Percentage of available LACNIC address space announced: 41.8
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: 2265
Total AfriNIC prefixes after maximum aggregation: 902
Prefixes being announced from the AfriNIC address blocks: 1522
Unique aggregates announced from the AfriNIC address blocks: 951
AfriNIC Region origin ASes present in the Internet Routing Table: 157
AfriNIC Region origin ASes announcing only one prefix: 43
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4157952
Equivalent to 0 /8s, 63 /16s and 114 /24s
Percentage of available AfriNIC address space announced: 12.4
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 1243 7294 224 CHINANET-BACKBONE
4755 945 258 75 Videsh Sanchar Nigam Ltd. Aut
9583 917 109 15 Sify Limited
4766 689 4435 303 Korea Telecom (KIX)
9498 681 211 68 BHARTI BT INTERNET LTD.
1221 613 1668 470 Telstra Pty Ltd
7545 547 124 71 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 421 85 24 Reliance Infocom Ltd Internet
17557 383 30 173 Pakistan Telecom
4802 382 81 169 Wantree Development
17974 382 129 14 PT TELEKOMUNIKASI INDONESIA
2907 335 1733 311 SINET Japan
9929 330 255 61 China Netcom Corp.
7474 297 211 227 SingTel Optus Pty Ltd
10139 283 19 5 Meridian Telekoms
4837 280 3085 123 chinanet IDC center beijing n
9800 276 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1482 6262 944 AT&T WorldNet Services
4323 1330 745 266 Time Warner Telecom
721 1022 21998 314 DLA Systems Automation Center
6197 1013 636 481 BellSouth Network Solutions,
174 960 5771 894 Cogent Communications
18566 945 272 8 Covad Communications
701 944 6754 779 UUNET Technologies, Inc.
2386 917 560 711 AT&T Data Communications Serv
1239 843 2782 599 Sprint
19262 719 2168 188 Verizon Global Networks
20115 713 619 381 Charter Communications
209 699 3683 552 Qwest
22773 670 1741 40 Cox Communications, Inc.
7011 647 217 411 Citizens Utilities
11492 642 89 10 Cable One
6198 600 568 236 BellSouth Network Solutions,
852 582 1084 382 Telus Advanced Communications
855 573 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 529 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 566 1948 445 UUNET - Commercial IP service
3301 312 1327 297 TeliaNet Sweden
3352 305 1643 30 Ibernet, Internet Access Netw
3320 284 3988 238 Deutsche Telekom AG
8220 276 470 265 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 239 90 214 Dynamic Network Technologies,
3246 230 463 220 Song Networks
24863 215 42 10 LINKdotNET AS number
8708 214 276 203 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
3215 202 1728 96 France Telecom Transpac
3269 202 2184 73 TELECOM ITALIA
30890 199 18 76 SC Kappa Invexim SRL
1257 194 741 166 SWIPnet Swedish IP Network
8866 187 37 15 Bulgarian Telecommunication C
6830 175 813 37 UPC Distribution Services
3300 169 171 98 AUCS Communications Services
786 166 1762 166 The JANET IP Service
12479 161 322 5 Uni2 Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 714 1114 225 UniNet S.A. de C.V.
22047 419 174 11 VTR PUNTO NET S.A.
11172 354 111 84 Servicios Alestra S.A de C.V
16814 328 20 7 NSS, S.A.
6147 267 134 22 Telefonica Del Peru
14117 207 13 7 Telefonica del Sur S.A.
10481 181 72 8 Prima S.A.
6503 180 151 84 AVANTEL, S.A.
7303 176 82 25 Telecom Argentina Stet-France
21826 133 17 23 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19429 129 68 42 E.T.B.
19169 128 8 24 Telconet
14259 119 10 15 GTD Internet S.A.
14522 117 18 9 SatNet S.A.
23216 115 21 9 RAMtelecom Telecomunicaciones
6505 109 88 79 Global One Communicaoes Ltda
7738 106 410 20 Telecomunicacoes da Bahia S.A
7910 105 7 10 ANDINET ON LINE
5639 103 12 9 Telecommunications Services o
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 287 803 234 The Internet Solution
8452 168 60 7 TEDATA
6713 154 135 11 Itissalat Al-MAGHRIB
2018 131 314 105 Tertiary Education Network
5536 120 8 21 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
15475 113 84 4 Nile Online
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
12455 23 6 3 Jambonet Autonomous system
21280 23 4 4 Swift Global Kenya Ltd.Is an
23889 23 8 11 MAURITIUS TELECOM
8524 22 1 5 AUCEGYPT Autonomous System
10798 22 1 13 Standard Bank of South Africa
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1330 1064 Time Warner Telecom
4134 1243 1019 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 917 902 Sify Limited
4755 945 870 Videsh Sanchar Nigam Ltd. Aut
721 1022 708 DLA Systems Automation Center
11492 642 632 Cable One
22773 670 630 Cox Communications, Inc.
9498 681 613 BHARTI BT INTERNET LTD.
6197 1013 532 BellSouth Network Solutions,
19262 719 531 Verizon Global Networks
19916 563 509 OLM LLC
5668 529 506 CenturyTel Internet Holdings,
17488 519 502 Hathway IP Over Cable Interne
855 573 499 Canadian Research Network
8151 714 489 UniNet S.A. de C.V.
7545 547 476 TPG Internet Pty Ltd
3602 525 421 Sprint Canada, Inc.
22047 419 408 VTR PUNTO NET S.A.
15270 440 407 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
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 /10:10 /11:28 /12:93
/13:201 /14:364 /15:714 /16:8861 /17:3283 /18:5413
/19:11801 /20:13418 /21:11686 /22:14848 /23:15929 /24:103384
/25:389 /26:295 /27:179 /28:65 /29:74 /30:56
/31:0 /32:40
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 928 945 Covad Communications
6197 793 1013 BellSouth Network Solutions,
7018 791 1482 AT&T WorldNet Services
9583 747 917 Sify Limited
4323 644 1330 Time Warner Telecom
2386 634 917 AT&T Data Communications Serv
11492 630 642 Cable One
19916 557 563 OLM LLC
7011 556 647 Citizens Utilities
4766 500 689 Korea Telecom (KIX)
855 447 573 Canadian Research Network
6198 442 600 BellSouth Network Solutions,
5668 412 529 CenturyTel Internet Holdings,
15270 409 440 PaeTec.net -a division of Pae
1239 388 843 Sprint
9498 383 681 BHARTI BT INTERNET LTD.
4755 376 945 Videsh Sanchar Nigam Ltd. Aut
6517 367 398 Yipes Communications, Inc.
22773 352 670 Cox Communications, Inc.
702 351 566 UUNET - Commercial IP service
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:42 12:1611 13:1 15:16 16:3
17:3 18:4 20:41 24:768 25:1 32:58
38:229 40:54 41:3 44:3 47:6 52:4
55:1 56:3 57:26 58:184 59:246 60:184
61:848 62:807 63:1890 64:3172 65:2246 66:3119
67:619 68:675 69:1523 70:387 71:85 72:798
74:50 75:1 80:778 81:647 82:629 83:393
84:374 85:560 86:390 87:378 88:108 89:300
121:2 122:2 123:1 124:176 125:529 128:140
129:189 130:119 131:312 132:34 133:8 134:160
135:48 136:178 137:83 138:207 139:55 140:485
141:136 142:385 143:168 144:224 145:39 146:320
147:137 148:342 149:191 150:114 151:94 152:69
153:106 154:5 155:206 156:183 157:145 158:167
159:171 160:90 161:77 162:245 163:159 164:184
165:211 166:172 167:243 168:493 169:128 170:352
171:14 183:1 190:81 192:5729 193:3365 194:2649
195:1934 196:854 198:3957 199:3232 200:4508 201:996
202:6718 203:7064 204:3898 205:2044 206:2429 207:2923
208:2161 209:3392 210:2061 211:707 212:1221 213:1486
214:363 215:41 216:4012 217:1168 218:294 219:240
220:731 221:362 222:188
End of report
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats(a)lists.apnic.net
If you have any comments please contact Philip Smith <pfs(a)cisco.com>.
Routing Table Report 04:00 +10GMT Sat 24 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 191664
Prefixes after maximum aggregation: 105172
Unique aggregates announced to Internet: 92904
Total ASes present in the Internet Routing Table: 22516
Origin-only ASes present in the Internet Routing Table: 19587
Origin ASes announcing only one prefix: 9392
Transit ASes present in the Internet Routing Table: 2929
Transit-only ASes present in the Internet Routing Table: 63
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 24
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1543273736
Equivalent to 91 /8s, 252 /16s and 125 /24s
Percentage of available address space announced: 41.6
Percentage of allocated address space announced: 60.2
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 95120
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40985
Total APNIC prefixes after maximum aggregation: 16907
Prefixes being announced from the APNIC address blocks: 38706
Unique aggregates announced from the APNIC address blocks: 18500
APNIC Region origin ASes present in the Internet Routing Table: 2620
APNIC Region origin ASes announcing only one prefix: 752
APNIC Region transit ASes present in the Internet Routing Table: 397
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 234437216
Equivalent to 13 /8s, 249 /16s and 58 /24s
Percentage of available APNIC address space announced: 73.3
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: 98398
Total ARIN prefixes after maximum aggregation: 58065
Prefixes being announced from the ARIN address blocks: 72194
Unique aggregates announced from the ARIN address blocks: 26957
ARIN Region origin ASes present in the Internet Routing Table: 10799
ARIN Region origin ASes announcing only one prefix: 4077
ARIN Region transit ASes present in the Internet Routing Table: 989
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 294470400
Equivalent to 17 /8s, 141 /16s and 67 /24s
Percentage of available ARIN address space announced: 76.3
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: 38249
Total RIPE prefixes after maximum aggregation: 25557
Prefixes being announced from the RIPE address blocks: 35302
Unique aggregates announced from the RIPE address blocks: 23164
RIPE Region origin ASes present in the Internet Routing Table: 8177
RIPE Region origin ASes announcing only one prefix: 4288
RIPE Region transit ASes present in the Internet Routing Table: 1359
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261011076
Equivalent to 15 /8s, 142 /16s and 182 /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: 11770
Total LACNIC prefixes after maximum aggregation: 3743
Prefixes being announced from the LACNIC address blocks: 9891
Unique aggregates announced from the LACNIC address blocks: 5550
LACNIC Region origin ASes present in the Internet Routing Table: 699
LACNIC Region origin ASes announcing only one prefix: 231
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: 27735552
Equivalent to 1 /8s, 167 /16s and 54 /24s
Percentage of available LACNIC address space announced: 41.3
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: 2260
Total AfriNIC prefixes after maximum aggregation: 900
Prefixes being announced from the AfriNIC address blocks: 1514
Unique aggregates announced from the AfriNIC address blocks: 974
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: 4137728
Equivalent to 0 /8s, 63 /16s and 35 /24s
Percentage of available AfriNIC address space announced: 12.3
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 1238 7261 228 CHINANET-BACKBONE
4755 943 258 74 Videsh Sanchar Nigam Ltd. Aut
9583 909 109 16 Sify Limited
4766 687 4435 302 Korea Telecom (KIX)
9498 676 211 67 BHARTI BT INTERNET LTD.
1221 614 1668 472 Telstra Pty Ltd
7545 546 124 70 TPG Internet Pty Ltd
17488 519 32 10 Hathway IP Over Cable Interne
17676 489 7077 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 417 85 24 Reliance Infocom Ltd Internet
17557 398 31 177 Pakistan Telecom
17974 384 129 14 PT TELEKOMUNIKASI INDONESIA
4802 382 81 169 Wantree Development
2907 335 1733 311 SINET Japan
9929 330 255 61 China Netcom Corp.
17849 303 23 103 Telecommunications Technology
7474 297 211 227 SingTel Optus Pty Ltd
10139 284 19 5 Meridian Telekoms
4837 277 3085 123 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1486 6264 952 AT&T WorldNet Services
4323 1319 744 263 Time Warner Telecom
721 1023 21998 314 DLA Systems Automation Center
6197 1012 630 475 BellSouth Network Solutions,
174 962 5771 899 Cogent Communications
18566 945 272 8 Covad Communications
19029 943 151 106 New Edge Networks
701 940 6753 778 UUNET Technologies, Inc.
2386 914 560 707 AT&T Data Communications Serv
1239 844 2788 596 Sprint
19262 714 2134 187 Verizon Global Networks
20115 713 619 381 Charter Communications
209 696 3683 550 Qwest
22773 668 1741 40 Cox Communications, Inc.
7011 651 218 414 Citizens Utilities
11492 635 87 23 Cable One
852 583 1084 382 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 553 244 64 Canadian Research Network
3602 526 125 104 Sprint Canada, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 569 1951 448 UUNET - Commercial IP service
3301 312 1327 297 TeliaNet Sweden
3352 304 1643 30 Ibernet, Internet Access Netw
3320 286 3989 240 Deutsche Telekom AG
8220 275 470 263 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 238 90 213 Dynamic Network Technologies,
3246 229 462 219 Song Networks
8708 217 276 203 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
3215 201 1720 96 France Telecom Transpac
3269 201 2182 72 TELECOM ITALIA
8551 201 198 24 Bezeq International
30890 198 18 75 SC Kappa Invexim SRL
1257 193 741 165 SWIPnet Swedish IP Network
8866 187 37 15 Bulgarian Telecommunication C
6830 175 813 37 UPC Distribution Services
786 169 1778 169 The JANET IP Service
9121 169 931 28 TTnet Autonomous System
3300 168 171 98 AUCS Communications Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 704 1099 221 UniNet S.A. de C.V.
22047 418 174 11 VTR PUNTO NET S.A.
11172 350 110 84 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 267 134 22 Telefonica Del Peru
11664 226 26 13 Keytech SA
14117 207 13 7 Telefonica del Sur S.A.
10481 181 72 8 Prima S.A.
7303 176 82 24 Telecom Argentina Stet-France
6503 173 151 84 AVANTEL, S.A.
21826 133 17 23 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19169 128 8 24 Telconet
14259 119 10 15 GTD Internet S.A.
19429 118 64 41 E.T.B.
14522 116 18 9 SatNet S.A.
23216 114 21 9 RAMtelecom Telecomunicaciones
6505 109 88 79 Global One Communicaoes Ltda
7910 105 7 10 ANDINET ON LINE
7738 104 410 20 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 286 803 234 The Internet Solution
8452 165 60 7 TEDATA
6713 154 135 11 Itissalat Al-MAGHRIB
2018 131 314 105 Tertiary Education Network
5536 124 8 15 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
15475 111 84 4 Nile Online
33783 105 6 2 EEPAD TISP TELECOM & INTERNET
2905 73 155 66 The Internetworking Company o
20928 59 16 2 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
12455 25 6 3 Jambonet Autonomous system
16637 24 14 22 Johnnic e-Ventures
8524 22 1 5 AUCEGYPT Autonomous System
10798 22 1 13 Standard Bank of South Africa
23889 22 8 11 MAURITIUS TELECOM
33766 21 2 1 Nyala Communications Pty Ltd
21491 20 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1319 1056 Time Warner Telecom
4134 1238 1010 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 909 893 Sify Limited
4755 943 869 Videsh Sanchar Nigam Ltd. Aut
19029 943 837 New Edge Networks
721 1023 709 DLA Systems Automation Center
22773 668 628 Cox Communications, Inc.
11492 635 612 Cable One
9498 676 609 BHARTI BT INTERNET LTD.
6197 1012 537 BellSouth Network Solutions,
19262 714 527 Verizon Global Networks
19916 563 509 OLM LLC
17488 519 509 Hathway IP Over Cable Interne
5668 525 502 CenturyTel Internet Holdings,
855 553 489 Canadian Research Network
8151 704 483 UniNet S.A. de C.V.
7545 546 476 TPG Internet Pty Ltd
3602 526 422 Sprint Canada, Inc.
22047 418 407 VTR PUNTO NET S.A.
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
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 /8:18 /9:9 /10:10 /11:28 /12:93
/13:201 /14:363 /15:712 /16:8871 /17:3260 /18:5390
/19:11769 /20:13322 /21:11654 /22:14862 /23:15982 /24:104035
/25:385 /26:289 /27:182 /28:65 /29:73 /30:51
/31:0 /32:40
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 928 945 Covad Communications
19029 876 943 New Edge Networks
6197 794 1012 BellSouth Network Solutions,
7018 787 1486 AT&T WorldNet Services
9583 739 909 Sify Limited
4323 643 1319 Time Warner Telecom
2386 633 914 AT&T Data Communications Serv
11492 626 635 Cable One
7011 560 651 Citizens Utilities
19916 557 563 OLM LLC
4766 499 687 Korea Telecom (KIX)
855 427 553 Canadian Research Network
5668 408 525 CenturyTel Internet Holdings,
15270 407 438 PaeTec.net -a division of Pae
1239 392 844 Sprint
9498 379 676 BHARTI BT INTERNET LTD.
4755 373 943 Videsh Sanchar Nigam Ltd. Aut
6517 364 395 Yipes Communications, Inc.
702 353 569 UUNET - Commercial IP service
6198 353 510 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:42 12:1614 13:1 15:16 16:3
17:3 18:4 20:41 24:762 25:1 32:58
38:234 40:54 41:3 44:3 47:6 52:4
55:1 56:3 57:26 58:178 59:236 60:175
61:860 62:814 63:1895 64:3197 65:2199 66:3131
67:619 68:684 69:1523 70:398 71:82 72:776
74:45 75:1 80:768 81:646 82:626 83:381
84:376 85:563 86:383 87:367 88:109 89:296
121:1 122:2 123:1 124:290 125:525 128:152
129:189 130:118 131:317 132:33 133:8 134:159
135:48 136:178 137:82 138:206 139:55 140:522
141:134 142:380 143:165 144:223 145:39 146:319
147:137 148:340 149:188 150:114 151:94 152:69
153:106 154:5 155:204 156:183 157:146 158:168
159:171 160:91 161:77 162:244 163:159 164:182
165:211 166:172 167:247 168:492 169:128 170:352
171:14 183:1 190:96 192:5734 193:3357 194:2645
195:1931 196:851 198:3964 199:3228 200:4624 201:1004
202:6690 203:7039 204:3910 205:2033 206:2425 207:2914
208:2161 209:3753 210:1994 211:696 212:1257 213:1478
214:362 215:41 216:4228 217:1159 218:295 219:232
220:718 221:370 222:189
End of report
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats(a)lists.apnic.net
If you have any comments please contact Philip Smith <pfs(a)cisco.com>.
Routing Table Report 04:00 +10GMT Sat 17 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 190702
Prefixes after maximum aggregation: 104856
Unique aggregates announced to Internet: 93265
Total ASes present in the Internet Routing Table: 22466
Origin-only ASes present in the Internet Routing Table: 19551
Origin ASes announcing only one prefix: 9367
Transit ASes present in the Internet Routing Table: 2915
Transit-only ASes present in the Internet Routing Table: 64
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 24
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1534135784
Equivalent to 91 /8s, 113 /16s and 13 /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: 94488
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40854
Total APNIC prefixes after maximum aggregation: 16870
Prefixes being announced from the APNIC address blocks: 38588
Unique aggregates announced from the APNIC address blocks: 18534
APNIC Region origin ASes present in the Internet Routing Table: 2608
APNIC Region origin ASes announcing only one prefix: 747
APNIC Region transit ASes present in the Internet Routing Table: 393
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 233227360
Equivalent to 13 /8s, 230 /16s and 196 /24s
Percentage of available APNIC address space announced: 72.9
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: 97971
Total ARIN prefixes after maximum aggregation: 57841
Prefixes being announced from the ARIN address blocks: 71955
Unique aggregates announced from the ARIN address blocks: 26768
ARIN Region origin ASes present in the Internet Routing Table: 10771
ARIN Region origin ASes announcing only one prefix: 4056
ARIN Region transit ASes present in the Internet Routing Table: 984
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 294035456
Equivalent to 17 /8s, 134 /16s and 160 /24s
Percentage of available ARIN address space announced: 76.2
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: 38101
Total RIPE prefixes after maximum aggregation: 25513
Prefixes being announced from the RIPE address blocks: 35116
Unique aggregates announced from the RIPE address blocks: 23752
RIPE Region origin ASes present in the Internet Routing Table: 8167
RIPE Region origin ASes announcing only one prefix: 4291
RIPE Region transit ASes present in the Internet Routing Table: 1354
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 254016900
Equivalent to 15 /8s, 35 /16s and 253 /24s
Percentage of available RIPE address space announced: 79.7
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: 11558
Total LACNIC prefixes after maximum aggregation: 3731
Prefixes being announced from the LACNIC address blocks: 9689
Unique aggregates announced from the LACNIC address blocks: 5515
LACNIC Region origin ASes present in the Internet Routing Table: 699
LACNIC Region origin ASes announcing only one prefix: 230
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 27422976
Equivalent to 1 /8s, 162 /16s and 113 /24s
Percentage of available LACNIC address space announced: 40.9
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: 2216
Total AfriNIC prefixes after maximum aggregation: 901
Prefixes being announced from the AfriNIC address blocks: 1516
Unique aggregates announced from the AfriNIC address blocks: 965
AfriNIC Region origin ASes present in the Internet Routing Table: 157
AfriNIC Region origin ASes announcing only one prefix: 43
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: 4141312
Equivalent to 0 /8s, 63 /16s and 49 /24s
Percentage of available AfriNIC address space announced: 12.3
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 7244 229 CHINANET-BACKBONE
4755 936 258 74 Videsh Sanchar Nigam Ltd. Aut
9583 902 109 16 Sify Limited
4766 690 4435 304 Korea Telecom (KIX)
9498 656 211 67 BHARTI BT INTERNET LTD.
1221 612 1652 471 Telstra Pty Ltd
7545 546 124 70 TPG Internet Pty Ltd
17488 519 32 10 Hathway IP Over Cable Interne
17676 488 7061 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
18101 413 85 24 Reliance Infocom Ltd Internet
17557 402 31 180 Pakistan Telecom
4802 381 80 168 Wantree Development
17974 381 129 14 PT TELEKOMUNIKASI INDONESIA
9929 338 254 59 China Netcom Corp.
2907 335 1733 311 SINET Japan
17849 302 23 103 Telecommunications Technology
7474 299 211 228 SingTel Optus Pty Ltd
9800 276 410 67 CHINA UNICOM
4837 272 2995 118 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1477 6275 951 AT&T WorldNet Services
4323 1317 743 261 Time Warner Telecom
721 1016 21982 312 DLA Systems Automation Center
6197 1011 629 473 BellSouth Network Solutions,
174 966 5787 903 Cogent Communications
19029 945 151 108 New Edge Networks
18566 943 272 8 Covad Communications
701 938 6753 774 UUNET Technologies, Inc.
2386 911 560 704 AT&T Data Communications Serv
1239 847 2788 599 Sprint
20115 713 617 381 Charter Communications
19262 710 2105 183 Verizon Global Networks
209 707 3687 550 Qwest
22773 666 1741 40 Cox Communications, Inc.
7011 638 218 414 Citizens Utilities
11492 632 87 23 Cable One
852 584 1084 382 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 550 244 64 Canadian Research Network
5668 529 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 572 1951 451 UUNET - Commercial IP service
3301 306 1343 293 TeliaNet Sweden
3352 306 1643 30 Ibernet, Internet Access Netw
3320 289 3989 242 Deutsche Telekom AG
8220 274 470 262 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
3246 237 504 227 Song Networks
6746 237 90 212 Dynamic Network Technologies,
24863 216 42 11 LINKdotNET AS number
8708 215 275 201 Romania Data Systems S.A.
3269 201 2182 72 TELECOM ITALIA
8551 201 198 24 Bezeq International
3215 198 1680 93 France Telecom Transpac
30890 194 17 72 SC Kappa Invexim SRL
1257 193 741 165 SWIPnet Swedish IP Network
8866 183 37 15 Bulgarian Telecommunication C
6830 172 781 36 UPC Distribution Services
786 171 1778 171 The JANET IP Service
5400 170 348 139 BT Ignite European Backbone
9121 169 931 28 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 707 1083 225 UniNet S.A. de C.V.
22047 418 174 11 VTR PUNTO NET S.A.
11172 350 110 84 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 267 134 22 Telefonica Del Peru
14117 205 12 6 Telefonica del Sur S.A.
10481 181 72 8 Prima S.A.
7303 175 81 25 Telecom Argentina Stet-France
6503 135 151 81 AVANTEL, S.A.
21826 133 17 23 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19169 127 8 25 Telconet
14259 119 10 15 GTD Internet S.A.
19429 118 64 41 E.T.B.
14522 115 18 9 SatNet S.A.
23216 114 21 9 RAMtelecom Telecomunicaciones
6505 108 88 78 Global One Communicaoes Ltda
7910 105 7 10 ANDINET ON LINE
5639 103 12 9 Telecommunications Services o
7738 100 410 20 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 286 803 234 The Internet Solution
8452 168 60 7 TEDATA
6713 154 135 11 Itissalat Al-MAGHRIB
2018 131 314 105 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 105 6 2 EEPAD TISP TELECOM & INTERNET
2905 73 155 66 The Internetworking Company o
15475 62 84 4 Nile Online
20928 59 16 2 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
23889 26 8 11 MAURITIUS TELECOM
12455 25 6 3 Jambonet Autonomous system
16637 25 18 23 Johnnic e-Ventures
8524 22 1 5 AUCEGYPT Autonomous System
10798 22 1 13 Standard Bank of South Africa
21280 22 4 4 Swift Global Kenya Ltd.Is an
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1317 1056 Time Warner Telecom
4134 1244 1015 CHINANET-BACKBONE
18566 943 935 Covad Communications
9583 902 886 Sify Limited
4755 936 862 Videsh Sanchar Nigam Ltd. Aut
19029 945 837 New Edge Networks
721 1016 704 DLA Systems Automation Center
22773 666 626 Cox Communications, Inc.
11492 632 609 Cable One
9498 656 589 BHARTI BT INTERNET LTD.
6197 1011 538 BellSouth Network Solutions,
19262 710 527 Verizon Global Networks
19916 563 509 OLM LLC
17488 519 509 Hathway IP Over Cable Interne
5668 529 506 CenturyTel Internet Holdings,
855 550 486 Canadian Research Network
8151 707 482 UniNet S.A. de C.V.
7545 546 476 TPG Internet Pty Ltd
3602 526 422 Sprint Canada, Inc.
22047 418 407 VTR PUNTO NET S.A.
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
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 /10:10 /11:28 /12:93
/13:201 /14:362 /15:709 /16:8854 /17:3258 /18:5376
/19:11748 /20:13273 /21:11583 /22:14854 /23:15937 /24:103253
/25:388 /26:335 /27:182 /28:67 /29:73 /30:51
/31:0 /32:41
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 926 943 Covad Communications
19029 876 945 New Edge Networks
6197 794 1011 BellSouth Network Solutions,
7018 783 1477 AT&T WorldNet Services
9583 733 902 Sify Limited
4323 642 1317 Time Warner Telecom
2386 630 911 AT&T Data Communications Serv
11492 623 632 Cable One
19916 557 563 OLM LLC
7011 547 638 Citizens Utilities
4766 500 690 Korea Telecom (KIX)
855 424 550 Canadian Research Network
5668 412 529 CenturyTel Internet Holdings,
15270 404 435 PaeTec.net -a division of Pae
1239 391 847 Sprint
9498 369 656 BHARTI BT INTERNET LTD.
4755 368 936 Videsh Sanchar Nigam Ltd. Aut
6517 364 395 Yipes Communications, Inc.
702 355 572 UUNET - Commercial IP service
6198 353 507 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:42 12:1618 13:1 15:16 16:3
17:3 18:4 20:41 24:749 25:1 32:58
38:230 40:54 41:3 44:3 47:6 52:4
55:1 56:3 57:25 58:184 59:231 60:184
61:859 62:776 63:1886 64:3184 65:2188 66:3075
67:615 68:666 69:1534 70:381 71:81 72:776
74:42 80:789 81:644 82:600 83:397 84:385
85:547 86:346 87:361 88:106 89:262 121:1
122:2 123:1 124:277 125:512 128:156 129:188
130:118 131:317 132:33 133:8 134:158 135:43
136:178 137:80 138:206 139:62 140:470 141:133
142:380 143:166 144:223 145:40 146:318 147:136
148:317 149:188 150:113 151:93 152:69 153:107
154:5 155:202 156:98 157:146 158:169 159:172
160:91 161:76 162:244 163:150 164:180 165:211
166:171 167:244 168:492 169:128 170:336 171:14
183:1 190:75 192:5735 193:3374 194:2643 195:1917
196:856 198:3912 199:3224 200:4489 201:979 202:6671
203:7019 204:3903 205:2054 206:2425 207:2908 208:2117
209:3780 210:1975 211:689 212:1266 213:1462 214:364
215:40 216:4236 217:1151 218:296 219:232 220:720
221:359 222:186
End of report
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats(a)lists.apnic.net
If you have any comments please contact Philip Smith <pfs(a)cisco.com>.
Routing Table Report 04:00 +10GMT Sat 10 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 190168
Prefixes after maximum aggregation: 104652
Unique aggregates announced to Internet: 93198
Total ASes present in the Internet Routing Table: 22396
Origin-only ASes present in the Internet Routing Table: 19479
Origin ASes announcing only one prefix: 9338
Transit ASes present in the Internet Routing Table: 2917
Transit-only ASes present in the Internet Routing Table: 60
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 24
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 7
Unregistered ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1543668456
Equivalent to 92 /8s, 2 /16s and 130 /24s
Percentage of available address space announced: 41.6
Percentage of allocated address space announced: 60.2
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 94114
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40710
Total APNIC prefixes after maximum aggregation: 16880
Prefixes being announced from the APNIC address blocks: 38424
Unique aggregates announced from the APNIC address blocks: 18579
APNIC Region origin ASes present in the Internet Routing Table: 2598
APNIC Region origin ASes announcing only one prefix: 747
APNIC Region transit ASes present in the Internet Routing Table: 398
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 227781728
Equivalent to 13 /8s, 147 /16s and 172 /24s
Percentage of available APNIC address space announced: 71.2
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: 97710
Total ARIN prefixes after maximum aggregation: 57771
Prefixes being announced from the ARIN address blocks: 71728
Unique aggregates announced from the ARIN address blocks: 26653
ARIN Region origin ASes present in the Internet Routing Table: 10759
ARIN Region origin ASes announcing only one prefix: 4051
ARIN Region transit ASes present in the Internet Routing Table: 993
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 293558272
Equivalent to 17 /8s, 127 /16s and 88 /24s
Percentage of available ARIN address space announced: 76.1
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: 38053
Total RIPE prefixes after maximum aggregation: 25405
Prefixes being announced from the RIPE address blocks: 35075
Unique aggregates announced from the RIPE address blocks: 23703
RIPE Region origin ASes present in the Internet Routing Table: 8129
RIPE Region origin ASes announcing only one prefix: 4266
RIPE Region transit ASes present in the Internet Routing Table: 1342
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 252474756
Equivalent to 15 /8s, 12 /16s and 117 /24s
Percentage of available RIPE address space announced: 79.2
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: 11498
Total LACNIC prefixes after maximum aggregation: 3701
Prefixes being announced from the LACNIC address blocks: 9595
Unique aggregates announced from the LACNIC address blocks: 5546
LACNIC Region origin ASes present in the Internet Routing Table: 695
LACNIC Region origin ASes announcing only one prefix: 229
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 27317760
Equivalent to 1 /8s, 160 /16s and 214 /24s
Percentage of available LACNIC address space announced: 40.7
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: 2190
Total AfriNIC prefixes after maximum aggregation: 895
Prefixes being announced from the AfriNIC address blocks: 1501
Unique aggregates announced from the AfriNIC address blocks: 961
AfriNIC Region origin ASes present in the Internet Routing Table: 155
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 4113152
Equivalent to 0 /8s, 62 /16s and 195 /24s
Percentage of available AfriNIC address space announced: 12.3
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 1242 7204 228 CHINANET-BACKBONE
4755 931 259 74 Videsh Sanchar Nigam Ltd. Aut
9583 903 109 16 Sify Limited
4766 690 4435 304 Korea Telecom (KIX)
1221 613 1668 471 Telstra Pty Ltd
9498 571 211 67 BHARTI BT INTERNET LTD.
7545 544 124 70 TPG Internet Pty Ltd
17488 519 32 10 Hathway IP Over Cable Interne
17676 486 7029 110 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
18101 414 85 24 Reliance Infocom Ltd Internet
17557 397 31 178 Pakistan Telecom
4802 378 80 167 Wantree Development
17849 359 22 114 Telecommunications Technology
17974 347 129 14 PT TELEKOMUNIKASI INDONESIA
2907 336 1733 312 SINET Japan
9929 326 222 58 China Netcom Corp.
7474 298 211 228 SingTel Optus Pty Ltd
9800 275 410 67 CHINA UNICOM
4837 266 2994 112 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1480 6151 945 AT&T WorldNet Services
4323 1310 740 259 Time Warner Telecom
721 1014 21998 313 DLA Systems Automation Center
6197 1005 625 471 BellSouth Network Solutions,
174 969 5787 904 Cogent Communications
19029 945 151 108 New Edge Networks
18566 943 272 8 Covad Communications
701 940 6753 776 UUNET Technologies, Inc.
2386 894 557 687 AT&T Data Communications Serv
1239 846 2789 600 Sprint
20115 713 617 381 Charter Communications
209 707 3687 551 Qwest
19262 667 2103 183 Verizon Global Networks
22773 664 1741 40 Cox Communications, Inc.
7011 638 218 415 Citizens Utilities
11492 622 87 22 Cable One
852 584 1084 382 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 550 244 64 Canadian Research Network
5668 529 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 573 1951 451 UUNET - Commercial IP service
3301 305 1327 292 TeliaNet Sweden
3352 305 1644 30 Ibernet, Internet Access Netw
3320 287 3989 240 Deutsche Telekom AG
8220 274 470 262 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
6746 238 90 212 Dynamic Network Technologies,
3246 236 504 226 Song Networks
8708 216 275 201 Romania Data Systems S.A.
24863 214 42 11 LINKdotNET AS number
3269 201 2182 72 TELECOM ITALIA
3215 200 1680 93 France Telecom Transpac
8551 200 198 24 Bezeq International
30890 193 17 71 SC Kappa Invexim SRL
1257 190 740 166 SWIPnet Swedish IP Network
8866 180 37 15 Bulgarian Telecommunication C
6830 172 781 36 UPC Distribution Services
786 171 1778 171 The JANET IP Service
5400 171 348 140 BT Ignite European Backbone
9121 169 931 28 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 705 1082 224 UniNet S.A. de C.V.
22047 419 158 11 VTR PUNTO NET S.A.
11172 352 110 84 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 267 134 22 Telefonica Del Peru
14117 201 12 6 Telefonica del Sur S.A.
10481 181 72 8 Prima S.A.
7303 175 81 25 Telecom Argentina Stet-France
6503 136 151 82 AVANTEL, S.A.
21826 133 17 23 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
19169 126 8 26 Telconet
14259 119 10 15 GTD Internet S.A.
14522 115 18 9 SatNet S.A.
23216 114 21 9 RAMtelecom Telecomunicaciones
19429 110 60 44 E.T.B.
6505 109 88 79 Global One Communicaoes Ltda
7910 105 7 10 ANDINET ON LINE
5639 103 12 9 Telecommunications Services o
18822 98 7 9 TELEFONICA MANQUEHUE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 286 803 234 The Internet Solution
8452 166 60 7 TEDATA
6713 147 135 11 Itissalat Al-MAGHRIB
2018 131 314 105 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 104 6 2 EEPAD TISP TELECOM & INTERNET
2905 73 155 66 The Internetworking Company o
15475 61 84 4 Nile Online
20928 59 16 2 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
12455 26 6 3 Jambonet Autonomous system
23889 26 8 11 MAURITIUS TELECOM
16637 25 18 23 Johnnic e-Ventures
8524 22 1 5 AUCEGYPT Autonomous System
10798 22 1 13 Standard Bank of South Africa
21280 21 4 4 Swift Global Kenya Ltd.Is an
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1310 1051 Time Warner Telecom
4134 1242 1014 CHINANET-BACKBONE
18566 943 935 Covad Communications
9583 903 887 Sify Limited
4755 931 857 Videsh Sanchar Nigam Ltd. Aut
19029 945 837 New Edge Networks
721 1014 701 DLA Systems Automation Center
22773 664 624 Cox Communications, Inc.
11492 622 600 Cable One
6197 1005 534 BellSouth Network Solutions,
19916 563 509 OLM LLC
17488 519 509 Hathway IP Over Cable Interne
5668 529 506 CenturyTel Internet Holdings,
9498 571 504 BHARTI BT INTERNET LTD.
855 550 486 Canadian Research Network
19262 667 484 Verizon Global Networks
8151 705 481 UniNet S.A. de C.V.
7545 544 474 TPG Internet Pty Ltd
3602 525 421 Sprint Canada, Inc.
22047 419 408 VTR PUNTO NET S.A.
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
64515 PRIVATE 203.126.13.0/25 7610 SINGAPORE ADVANCE RE
64515 PRIVATE 203.126.13.128/26 7610 SINGAPORE ADVANCE RE
65280 PRIVATE 203.197.161.0/24 4755 Videsh Sanchar Nigam
65280 PRIVATE 203.200.14.0/24 4755 Videsh Sanchar Nigam
65280 PRIVATE 203.200.21.0/24 4755 Videsh Sanchar Nigam
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 /8:18 /9:9 /10:9 /11:28 /12:92
/13:200 /14:360 /15:704 /16:8855 /17:3247 /18:5351
/19:11723 /20:13263 /21:11524 /22:14724 /23:15902 /24:103048
/25:387 /26:314 /27:182 /28:69 /29:67 /30:51
/31:0 /32:41
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 926 943 Covad Communications
19029 876 945 New Edge Networks
6197 790 1005 BellSouth Network Solutions,
7018 780 1480 AT&T WorldNet Services
9583 733 903 Sify Limited
4323 641 1310 Time Warner Telecom
2386 613 894 AT&T Data Communications Serv
11492 613 622 Cable One
19916 557 563 OLM LLC
7011 547 638 Citizens Utilities
4766 500 690 Korea Telecom (KIX)
855 424 550 Canadian Research Network
5668 412 529 CenturyTel Internet Holdings,
15270 403 434 PaeTec.net -a division of Pae
1239 390 846 Sprint
4755 365 931 Videsh Sanchar Nigam Ltd. Aut
6517 364 395 Yipes Communications, Inc.
17849 359 359 Telecommunications Technology
702 356 573 UUNET - Commercial IP service
6198 354 508 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:42 11:1 12:1618 13:1 15:15
16:3 17:3 18:4 20:41 24:734 25:1
32:57 38:229 40:54 41:3 44:3 47:6
52:4 55:1 56:3 57:25 58:183 59:217
60:182 61:863 62:775 63:1911 64:3173 65:2181
66:3061 67:613 68:663 69:1531 70:376 71:80
72:756 74:40 80:788 81:647 82:594 83:401
84:387 85:543 86:390 87:358 88:96 89:240
124:295 125:494 128:158 129:190 130:78 131:318
132:33 133:8 134:157 135:48 136:178 137:82
138:206 139:62 140:469 141:130 142:379 143:165
144:223 145:40 146:329 147:136 148:318 149:188
150:112 151:94 152:69 153:107 154:5 155:202
156:98 157:146 158:168 159:173 160:89 161:76
162:245 163:150 164:179 165:208 166:168 167:246
168:491 169:128 170:338 171:14 183:1 190:75
192:5744 193:3368 194:2640 195:1909 196:855 198:3910
199:3214 200:4487 201:978 202:6698 203:7034 204:3901
205:2033 206:2421 207:2901 208:2128 209:3776 210:1973
211:683 212:1259 213:1469 214:364 215:40 216:4177
217:1156 218:291 219:232 220:717 221:360 222:158
End of report