[afnog] Weekly Routing Table Report
Routing Table Analysis
cscora at apnic.net
Fri Mar 24 21:06:44 EAT 2006
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 at lists.apnic.net
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 25 Mar, 2006
Analysis Summary
----------------
BGP routing table entries examined: 184853
Prefixes after maximum aggregation: 102482
Unique aggregates announced to Internet: 90111
Total ASes present in the Internet Routing Table: 21801
Origin-only ASes present in the Internet Routing Table: 18937
Origin ASes announcing only one prefix: 9011
Transit ASes present in the Internet Routing Table: 2864
Transit-only ASes present in the Internet Routing Table: 66
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 24
Prefixes from unregistered ASNs in the Routing Table: 77
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1514960352
Equivalent to 90 /8s, 76 /16s and 117 /24s
Percentage of available address space announced: 40.9
Percentage of allocated address space announced: 60.3
Percentage of available address space allocated: 67.8
Total number of prefixes smaller than registry allocations: 90504
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38912
Total APNIC prefixes after maximum aggregation: 16319
Prefixes being announced from the APNIC address blocks: 36704
Unique aggregates announced from the APNIC address blocks: 18003
APNIC Region origin ASes present in the Internet Routing Table: 2520
APNIC Region origin ASes announcing only one prefix: 710
APNIC Region transit ASes present in the Internet Routing Table: 393
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 218973152
Equivalent to 13 /8s, 13 /16s and 67 /24s
Percentage of available APNIC address space announced: 68.5
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: 96644
Total ARIN prefixes after maximum aggregation: 57155
Prefixes being announced from the ARIN address blocks: 75819
Unique aggregates announced from the ARIN address blocks: 28948
ARIN Region origin ASes present in the Internet Routing Table: 10597
ARIN Region origin ASes announcing only one prefix: 3960
ARIN Region transit ASes present in the Internet Routing Table: 978
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 293216256
Equivalent to 17 /8s, 122 /16s and 32 /24s
Percentage of available ARIN address space announced: 72.8
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
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 36718
Total RIPE prefixes after maximum aggregation: 24548
Prefixes being announced from the RIPE address blocks: 33746
Unique aggregates announced from the RIPE address blocks: 22731
RIPE Region origin ASes present in the Internet Routing Table: 7794
RIPE Region origin ASes announcing only one prefix: 4078
RIPE Region transit ASes present in the Internet Routing Table: 1305
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 242645376
Equivalent to 14 /8s, 118 /16s and 121 /24s
Percentage of available RIPE address space announced: 72.3
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
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 10469
Total LACNIC prefixes after maximum aggregation: 3573
Prefixes being announced from the LACNIC address blocks: 8645
Unique aggregates announced from the LACNIC address blocks: 5148
LACNIC Region origin ASes present in the Internet Routing Table: 678
LACNIC Region origin ASes announcing only one prefix: 219
LACNIC Region transit ASes present in the Internet Routing Table: 124
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 26025216
Equivalent to 1 /8s, 141 /16s and 29 /24s
Percentage of available LACNIC address space announced: 38.8
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: 2027
Total AfriNIC prefixes after maximum aggregation: 887
Prefixes being announced from the AfriNIC address blocks: 1368
Unique aggregates announced from the AfriNIC address blocks: 903
AfriNIC Region origin ASes present in the Internet Routing Table: 148
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 23
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 3945216
Equivalent to 0 /8s, 60 /16s and 51 /24s
Percentage of available AfriNIC address space announced: 11.8
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 996 6945 211 CHINANET-BACKBONE
4755 888 258 68 Videsh Sanchar Nigam Ltd. Aut
9583 875 109 16 Sify Limited
4766 676 3923 301 Korea Telecom (KIX)
1221 620 1428 476 Telstra Pty Ltd
9498 558 212 72 BHARTI BT INTERNET LTD.
7545 525 108 71 TPG Internet Pty Ltd
17488 502 31 7 Hathway IP Over Cable Interne
17676 484 6997 107 Softbank BB Corp.
9443 414 95 82 Primus Telecommunications
4802 373 75 169 Wantree Development
2907 336 1749 312 SINET Japan
17974 334 89 32 PT TELEKOMUNIKASI INDONESIA
18101 322 68 23 Reliance Infocom Ltd Internet
17557 319 25 163 Pakistan Telecom
9929 318 218 53 China Netcom Corp.
17849 317 20 105 Telecommunications Technology
7474 305 211 232 SingTel Optus Pty Ltd
4780 280 226 16 Digital United Inc.
9837 270 77 166 Powertel Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1504 6262 965 AT&T WorldNet Services
4323 1240 714 245 Time Warner Telecom
721 1011 21962 307 DLA Systems Automation Center
6197 1005 620 469 BellSouth Network Solutions,
174 961 5784 908 Cogent Communications
701 945 8048 781 UUNET Technologies, Inc.
18566 923 272 8 Covad Communications
2386 875 521 665 AT&T Data Communications Serv
1239 853 2805 601 Sprint
19029 783 152 112 New Edge Networks
209 698 3607 541 Qwest
20115 674 591 363 Charter Communications
19262 665 1964 156 Verizon Global Networks
22773 641 1480 40 Cox Communications, Inc.
11492 624 86 20 Cable One
7011 611 212 398 Citizens Utilities
6198 583 506 239 BellSouth Network Solutions,
852 577 1088 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 546 244 64 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 586 1951 461 UUNET - Commercial IP service
3301 307 1071 292 TeliaNet Sweden
3352 307 1564 31 Ibernet, Internet Access Netw
8220 289 473 268 COLT Telecommunications
3320 279 3477 231 Deutsche Telekom AG
680 243 2025 240 DFN-IP service G-WiN
3246 231 488 221 Song Networks
6746 228 89 200 Dynamic Network Technologies,
8708 216 276 201 Romania Data Systems S.A.
8551 202 197 23 Bezeq International
24863 200 40 9 LINKdotNET AS number
1257 197 710 172 SWIPnet Swedish IP Network
3269 194 2085 75 TELECOM ITALIA
3215 186 1542 88 France Telecom Transpac
9121 175 931 27 TTnet Autonomous System
786 172 1778 172 The JANET IP Service
8866 170 37 14 Bulgarian Telecommunication C
5400 167 328 136 BT Ignite European Backbone
6830 166 765 35 UPC Distribution Services
5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 597 1050 226 UniNet S.A. de C.V.
22047 384 142 10 VTR PUNTO NET S.A.
11172 319 109 82 Servicios Alestra S.A de C.V
16814 279 18 7 NSS, S.A.
14117 185 12 6 Telefonica del Sur S.A.
7303 157 75 23 Telecom Argentina Stet-France
6147 154 126 22 Telefonica Del Peru
11556 132 80 4 Cable-Wireless Panama
5639 127 12 9 Telecommunications Services o
19169 124 8 30 Telconet
6503 121 149 75 AVANTEL, S.A.
10481 121 48 8 Prima S.A.
21826 120 16 19 INTERCABLE
6505 106 88 78 Global One Communicaoes Ltda
23216 100 20 7 RAMtelecom Telecomunicaciones
18822 99 8 10 TELEFONICA MANQUEHUE
25620 97 6 3 COTAS LTDA
7315 96 6 3 Grupo Rey Moreno
19429 95 52 42 E.T.B.
14522 94 13 5 SatNet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 276 803 232 The Internet Solution
8452 165 60 7 TEDATA
6713 145 135 11 Itissalat Al-MAGHRIB
2018 124 314 105 Tertiary Education Network
15475 123 84 4 Nile Online
5536 121 8 18 Internet Egypt Network
24835 83 50 7 RAYA Telecom - Egypt
2905 74 155 67 The Internetworking Company o
20928 57 16 2 Noor Advanced Technologies AS
5713 39 294 35 Telkom SA Ltd
12455 38 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 21 AS Number for Telecom Algeria
23889 26 8 11 MAURITIUS TELECOM
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 21 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
8346 20 13 17 SONATEL-AS Autonomous System
21280 20 5 5 Swift Global Kenya Ltd.Is an
2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1240 995 Time Warner Telecom
18566 923 915 Covad Communications
9583 875 859 Sify Limited
4755 888 820 Videsh Sanchar Nigam Ltd. Aut
4134 996 785 CHINANET-BACKBONE
721 1011 704 DLA Systems Automation Center
19029 783 671 New Edge Networks
11492 624 604 Cable One
22773 641 601 Cox Communications, Inc.
6197 1005 536 BellSouth Network Solutions,
19262 665 509 Verizon Global Networks
19916 563 509 OLM LLC
5668 527 502 CenturyTel Internet Holdings,
17488 502 495 Hathway IP Over Cable Interne
9498 558 486 BHARTI BT INTERNET LTD.
855 546 482 Canadian Research Network
7545 525 454 TPG Internet Pty Ltd
7757 473 454 AT&T Broadband
3602 537 428 Sprint Canada, Inc.
812 438 410 Rogers WAVE
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65211 PRIVATE 61.139.76.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.139.77.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.9.0/27 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.176.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.177.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.178.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 61.188.179.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.0.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.1.0/27 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.2.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.6.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.12.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.13.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.14.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.15.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.19.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.23.128/25 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.25.0/25 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.25.128/25 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.30.0/23 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.32.0/21 4134 CHINANET-BACKBONE
65211 PRIVATE 125.64.40.0/26 4134 CHINANET-BACKBONE
65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt
65211 PRIVATE 202.98.123.0/24 4134 CHINANET-BACKBONE
65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio
65211 PRIVATE 218.6.168.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.169.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.170.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.171.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.172.0/25 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.172.128/25 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.173.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.174.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.175.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.196.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.197.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.6.198.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.166.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.167.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.168.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.169.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.170.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.171.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 218.89.172.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.0.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.1.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.2.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.3.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.4.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.5.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.6.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.7.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.8.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.9.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.10.0/27 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.11.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.12.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.13.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.14.0/23 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.17.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.18.0/23 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.20.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.21.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.22.0/25 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.22.128/26 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.22.192/26 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.23.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.24.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.25.0/25 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.25.128/25 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.26.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.27.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.28.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 221.236.29.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 222.211.63.0/24 4134 CHINANET-BACKBONE
65211 PRIVATE 222.213.0.0/24 4134 CHINANET-BACKBONE
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
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
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 /10:8 /11:27 /12:87
/13:199 /14:353 /15:695 /16:8773 /17:3144 /18:5153
/19:11438 /20:12835 /21:11077 /22:14185 /23:15318 /24:100565
/25:349 /26:248 /27:219 /28:62 /29:24 /30:35
/31:0 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 906 923 Covad Communications
7018 798 1504 AT&T WorldNet Services
6197 794 1005 BellSouth Network Solutions,
19029 710 783 New Edge Networks
9583 694 875 Sify Limited
11492 615 624 Cable One
4323 599 1240 Time Warner Telecom
2386 598 875 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 523 611 Citizens Utilities
4766 485 676 Korea Telecom (KIX)
7757 455 473 AT&T Broadband
6198 441 583 BellSouth Network Solutions,
855 420 546 Canadian Research Network
5668 407 527 CenturyTel Internet Holdings,
1239 380 853 Sprint
702 369 586 UUNET - Commercial IP service
15270 362 392 PaeTec.net -a division of Pae
6517 347 377 Yipes Communications, Inc.
22773 336 641 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:38 12:1619 13:1 15:12 16:3
17:3 18:4 20:43 24:871 25:1 30:2
32:67 38:204 40:54 44:3 47:6 52:4
55:1 56:3 57:33 58:148 59:187 60:176
61:828 62:806 63:1917 64:3114 65:2229 66:3066
67:611 68:679 69:1441 70:313 71:63 72:649
73:23 74:26 80:751 81:612 82:547 83:368
84:363 85:492 86:383 87:262 88:48 89:96
124:195 125:283 128:160 129:174 130:108 131:318
132:33 133:8 134:150 135:47 136:175 137:67
138:192 139:74 140:488 141:137 142:393 143:157
144:232 145:40 146:324 147:134 148:334 149:188
150:114 151:79 152:64 153:107 154:6 155:195
156:98 157:120 158:166 159:166 160:87 161:70
162:218 163:144 164:179 165:180 166:147 167:235
168:476 169:135 170:320 171:12 172:1 183:1
190:35 192:5762 193:3394 194:2542 195:1798 196:776
198:3875 199:3262 200:4289 201:670 202:6566 203:6868
204:3933 205:2092 206:2427 207:2935 208:2036 209:3691
210:1927 211:816 212:1242 213:1474 214:337 215:42
216:4087 217:1164 218:257 219:180 220:651 221:373
222:160
End of report
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