Routing Table Report 04:00 +10GMT Wed 05 Sep, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/09/05/0400
Analysis Summary
----------------
BGP routing table entries examined: 230221
Prefixes after maximum aggregation: 119799
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 110839
Total ASes present in the Internet Routing Table: 26105
Prefixes per ASN: 8.82
Origin-only ASes present in the Internet Routing Table: 22734
Origin ASes announcing only one prefix: 11067
Transit ASes present in the Internet Routing Table: 3371
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 8
Unregistered ASNs in the Routing Table: 5
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1757421664
Equivalent to 104 /8s, 192 /16s and 32 /24s
Percentage of available address space announced: 47.4
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 121955
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 53808
Total APNIC prefixes after maximum aggregation: 20493
APNIC Deaggregation factor: 2.63
Prefixes being announced from the APNIC address blocks: 50729
Unique aggregates announced from the APNIC address blocks: 21425
APNIC Region origin ASes present in the Internet Routing Table: 3051
APNIC Prefixes per ASN: 16.63
APNIC Region origin ASes announcing only one prefix: 810
APNIC Region transit ASes present in the Internet Routing Table: 463
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 313659424
Equivalent to 18 /8s, 178 /16s and 16 /24s
Percentage of available APNIC address space announced: 77.7
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, 116/6, 120/6, 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: 108882
Total ARIN prefixes after maximum aggregation: 62909
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 80247
Unique aggregates announced from the ARIN address blocks: 31896
ARIN Region origin ASes present in the Internet Routing Table: 11786
ARIN Prefixes per ASN: 6.81
ARIN Region origin ASes announcing only one prefix: 4511
ARIN Region transit ASes present in the Internet Routing Table: 1091
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 343063040
Equivalent to 20 /8s, 114 /16s and 186 /24s
Percentage of available ARIN address space announced: 75.7
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 48072
Total RIPE prefixes after maximum aggregation: 30920
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 44488
Unique aggregates announced from the RIPE address blocks: 29503
RIPE Region origin ASes present in the Internet Routing Table: 10124
RIPE Prefixes per ASN: 4.39
RIPE Region origin ASes announcing only one prefix: 5396
RIPE Region transit ASes present in the Internet Routing Table: 1599
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 326229376
Equivalent to 19 /8s, 113 /16s and 221 /24s
Percentage of available RIPE address space announced: 74.8
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
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 16701
Total LACNIC prefixes after maximum aggregation: 4442
LACNIC Deaggregation factor: 3.76
Prefixes being announced from the LACNIC address blocks: 14791
Unique aggregates announced from the LACNIC address blocks: 7816
LACNIC Region origin ASes present in the Internet Routing Table: 861
LACNIC Prefixes per ASN: 17.18
LACNIC Region origin ASes announcing only one prefix: 282
LACNIC Region transit ASes present in the Internet Routing Table: 148
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 42189568
Equivalent to 2 /8s, 131 /16s and 195 /24s
Percentage of available LACNIC address space announced: 62.9
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: 2744
Total AfriNIC prefixes after maximum aggregation: 1023
AfriNIC Deaggregation factor: 2.68
Prefixes being announced from the AfriNIC address blocks: 2298
Unique aggregates announced from the AfriNIC address blocks: 1338
AfriNIC Region origin ASes present in the Internet Routing Table: 205
AfriNIC Prefixes per ASN: 11.21
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7461120
Equivalent to 0 /8s, 113 /16s and 217 /24s
Percentage of available AfriNIC address space announced: 22.2
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
4755 1342 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1136 108 17 Sify Limited
4134 1076 11228 293 CHINANET-BACKBONE
9498 999 532 65 BHARTI BT INTERNET LTD.
4766 806 5441 321 Korea Telecom (KIX)
17488 796 52 55 Hathway IP Over Cable Interne
23577 787 34 682 Korea Telecom (ATM-MPLS)
7545 726 159 120 TPG Internet Pty Ltd
18101 594 119 50 Reliance Infocom Ltd Internet
4812 547 968 96 China Telecom (Shanghai)
1221 540 1951 422 Telstra Pty Ltd
4668 516 68 10 LG-EDS Systems Inc.
17676 503 10919 64 Softbank BB Corp.
4808 483 779 114 CNCGROUP IP network: China169
9443 465 122 77 Primus Telecommunications
4802 439 117 154 Wantree Development
7474 378 216 267 SingTel Optus Pty Ltd
17974 378 130 13 PT TELEKOMUNIKASI INDONESIA
4837 366 5104 167 chinanet IDC center beijing n
9829 362 258 13 BSNL National Internet Backbo
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1475 6074 993 AT&T WorldNet Services
4323 1322 992 373 Time Warner Telecom
2386 1215 633 737 AT&T Data Communications Serv
11492 1137 110 11 Cable One
6478 1134 325 169 AT&T Worldnet Services
6197 1027 718 507 BellSouth Network Solutions,
18566 1023 288 9 Covad Communications
174 973 6780 862 Cogent Communications
701 938 6577 716 UUNET Technologies, Inc.
7011 919 278 549 Citizens Utilities
20115 817 751 436 Charter Communications
1239 804 2719 565 Sprint
19262 770 2744 179 Verizon Global Networks
22773 762 2149 50 Cox Communications, Inc.
209 740 3836 585 Qwest
5668 657 176 23 CenturyTel Internet Holdings,
6517 595 165 37 Yipes Communications, Inc.
3356 587 10811 344 Level 3 Communications, LLC
852 575 1095 361 Telus Advanced Communications
15270 574 160 38 PaeTec.net -a division of Pae
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 492 1923 394 UUNET - Commercial IP service
24863 367 57 40 LINKdotNET AS number
9116 358 168 26 Goldenlines main autonomous s
3320 315 6035 262 Deutsche Telekom AG
3301 314 1456 294 TeliaNet Sweden
6746 288 130 264 Dynamic Network Technologies,
680 269 2045 257 DFN-IP service G-WiN
8708 262 420 241 Romania Data Systems S.A.
8220 260 445 243 COLT Telecommunications
3215 258 2424 98 France Telecom Transpac
8551 248 244 28 Bezeq International
3352 227 1868 38 Ibernet, Internet Access Netw
5089 224 1658 54 NTL Group Limited
3269 223 2839 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
3292 195 1379 175 TDC Tele Danmark
1257 192 1195 170 SWIPnet Swedish IP Network
3300 192 172 92 AUCS Communications Services
12479 192 578 6 Uni2 Autonomous System
20858 186 34 3 EgyNet
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 903 1974 207 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 373 114 59 Servicios Alestra S.A de C.V
7303 341 162 50 Telecom Argentina Stet-France
14522 330 28 7 SatNet S.A.
6471 328 75 33 ENTEL CHILE S.A.
22047 318 246 13 VTR PUNTO NET S.A.
14117 281 19 15 Telefonica del Sur S.A.
10481 278 104 9 Prima S.A.
11664 271 30 13 Keytech SA
11556 235 128 3 Cable-Wireless Panama
10620 234 65 21 TVCABLE BOGOTA
6147 228 178 24 Telefonica Del Peru
6503 202 170 82 AVANTEL, S.A.
23216 194 16 43 RAMtelecom Telecomunicaciones
20299 180 25 31 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
21826 171 30 58 INTERCABLE
7738 169 506 23 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 285 870 225 The Internet Solution
8452 219 188 7 TEDATA
2018 149 301 115 Tertiary Education Network
6713 142 135 11 Itissalat Al-MAGHRIB
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 87 48 6 RAYA Telecom - Egypt
15475 75 84 4 Nile Online
2905 74 174 71 The Internetworking Company o
23889 69 24 15 MAURITIUS TELECOM
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
33774 47 29 25 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 46 21 29 Johnnic e-Ventures
8524 31 2 10 AUCEGYPT Autonomous System
21280 30 4 4 Swift Global Kenya Ltd.Is an
12455 29 6 3 Jambonet Autonomous system
10798 27 16 1 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1342 1271 Videsh Sanchar Nigam Ltd. Aut
11492 1137 1126 Cable One
9583 1136 1119 Sify Limited
18566 1023 1014 Covad Communications
6478 1134 965 AT&T Worldnet Services
4323 1322 949 Time Warner Telecom
9498 999 934 BHARTI BT INTERNET LTD.
4134 1076 783 CHINANET-BACKBONE
17488 796 741 Hathway IP Over Cable Interne
22773 762 712 Cox Communications, Inc.
8151 903 696 UniNet S.A. de C.V.
5668 657 634 CenturyTel Internet Holdings,
7545 726 606 TPG Internet Pty Ltd
19262 770 591 Verizon Global Networks
6517 595 558 Yipes Communications, Inc.
18101 594 544 Reliance Infocom Ltd Internet
15270 574 536 PaeTec.net -a division of Pae
6197 1027 520 BellSouth Network Solutions,
19916 568 517 OLM LLC
4668 516 506 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa
64501 RESERVED 195.189.160.0/24 35041 Crystone Autonomous
64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
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
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
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
192.153.136.0/21 721 DLA Systems Automation Center
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 /10:15 /11:37 /12:134
/13:260 /14:472 /15:921 /16:9628 /17:4076 /18:6603
/19:13976 /20:16209 /21:14892 /22:19186 /23:20063 /24:121320
/25:771 /26:1031 /27:504 /28:83 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1133 1134 AT&T Worldnet Services
11492 1129 1137 Cable One
18566 1005 1023 Covad Communications
9583 969 1136 Sify Limited
2386 906 1215 AT&T Data Communications Serv
7018 816 1475 AT&T WorldNet Services
7011 813 919 Citizens Utilities
6197 780 1027 BellSouth Network Solutions,
23577 778 787 Korea Telecom (ATM-MPLS)
4755 727 1342 Videsh Sanchar Nigam Ltd. Aut
9498 670 999 BHARTI BT INTERNET LTD.
17488 619 796 Hathway IP Over Cable Interne
4766 604 806 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 561 595 Yipes Communications, Inc.
4323 555 1322 Time Warner Telecom
15270 538 574 PaeTec.net -a division of Pae
5668 522 657 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
18101 500 594 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:86 12:1808 13:1 15:19
16:3 17:3 18:13 20:36 24:965 25:1
32:56 33:3 38:346 40:60 41:320 44:2
47:4 52:4 55:3 56:3 57:25 58:471
59:387 60:367 61:1013 62:933 63:2003 64:3187
65:2368 66:3402 67:810 68:657 69:1968 70:449
71:105 72:1411 73:2 74:640 75:263 76:128
77:334 78:49 80:833 81:822 82:579 83:384
84:613 85:808 86:341 87:488 88:278 89:967
90:24 91:530 97:6 116:312 117:174 118:17
121:273 122:592 123:172 124:670 125:988 128:270
129:216 130:139 131:362 132:55 133:9 134:196
135:34 136:189 137:82 138:153 139:72 140:500
141:174 142:379 143:255 144:293 145:46 146:330
147:123 148:411 149:148 150:109 151:157 152:87
153:119 154:3 155:264 156:160 157:213 158:158
159:173 160:115 161:96 162:175 163:181 164:476
165:393 166:275 167:300 168:515 169:123 170:389
171:22 172:2 189:73 190:1075 192:5743 193:3973
194:3184 195:2278 196:977 198:3817 199:3281 200:5218
201:1192 202:7390 203:7708 204:3927 205:1975 206:2416
207:2875 208:2815 209:3481 210:2456 211:1089 212:1327
213:1475 214:416 215:40 216:3986 217:1192 218:324
219:382 220:1024 221:415 222:267
End of report