[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Sep 22 04:03:18 EST 2007
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
For historical data, please see http://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 22 Sep, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/09/22/0400
Analysis Summary
----------------
BGP routing table entries examined: 231986
Prefixes after maximum aggregation: 120745
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 112862
Total ASes present in the Internet Routing Table: 26255
Prefixes per ASN: 8.84
Origin-only ASes present in the Internet Routing Table: 22860
Origin ASes announcing only one prefix: 11131
Transit ASes present in the Internet Routing Table: 3395
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 5
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1783351136
Equivalent to 106 /8s, 75 /16s and 199 /24s
Percentage of available address space announced: 48.1
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 123343
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 54231
Total APNIC prefixes after maximum aggregation: 20944
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 51145
Unique aggregates announced from the APNIC address blocks: 22753
APNIC Region origin ASes present in the Internet Routing Table: 3057
APNIC Prefixes per ASN: 16.73
APNIC Region origin ASes announcing only one prefix: 808
APNIC Region transit ASes present in the Internet Routing Table: 470
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 318780832
Equivalent to 19 /8s, 0 /16s and 53 /24s
Percentage of available APNIC address space announced: 79.0
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: 109463
Total ARIN prefixes after maximum aggregation: 63160
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 80732
Unique aggregates announced from the ARIN address blocks: 32052
ARIN Region origin ASes present in the Internet Routing Table: 11836
ARIN Prefixes per ASN: 6.82
ARIN Region origin ASes announcing only one prefix: 4535
ARIN Region transit ASes present in the Internet Routing Table: 1088
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 345744512
Equivalent to 20 /8s, 155 /16s and 164 /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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 48640
Total RIPE prefixes after maximum aggregation: 31137
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 45021
Unique aggregates announced from the RIPE address blocks: 29840
RIPE Region origin ASes present in the Internet Routing Table: 10213
RIPE Prefixes per ASN: 4.41
RIPE Region origin ASes announcing only one prefix: 5444
RIPE Region transit ASes present in the Internet Routing Table: 1621
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 327550592
Equivalent to 19 /8s, 134 /16s and 6 /24s
Percentage of available RIPE address space announced: 75.1
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
40960-45055
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: 16943
Total LACNIC prefixes after maximum aggregation: 4466
LACNIC Deaggregation factor: 3.79
Prefixes being announced from the LACNIC address blocks: 15047
Unique aggregates announced from the LACNIC address blocks: 8004
LACNIC Region origin ASes present in the Internet Routing Table: 867
LACNIC Prefixes per ASN: 17.36
LACNIC Region origin ASes announcing only one prefix: 277
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: 42459136
Equivalent to 2 /8s, 135 /16s and 224 /24s
Percentage of available LACNIC address space announced: 63.3
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: 2700
Total AfriNIC prefixes after maximum aggregation: 1024
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 2288
Unique aggregates announced from the AfriNIC address blocks: 1361
AfriNIC Region origin ASes present in the Internet Routing Table: 205
AfriNIC Prefixes per ASN: 11.16
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7458304
Equivalent to 0 /8s, 113 /16s and 206 /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 1349 383 69 Videsh Sanchar Nigam Ltd. Aut
9583 1127 81 405 Sify Limited
4134 1077 11219 292 CHINANET-BACKBONE
9498 1007 532 65 BHARTI BT INTERNET LTD.
17488 810 53 59 Hathway IP Over Cable Interne
4766 809 5441 321 Korea Telecom (KIX)
23577 785 34 681 Korea Telecom (ATM-MPLS)
7545 724 159 120 TPG Internet Pty Ltd
18101 598 119 50 Reliance Infocom Ltd Internet
4812 547 974 94 China Telecom (Shanghai)
1221 538 1950 419 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4668 517 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 491 781 118 CNCGROUP IP network: China169
9443 467 122 77 Primus Telecommunications
4802 441 133 154 Wantree Development
7474 382 218 270 SingTel Optus Pty Ltd
17974 363 130 13 PT TELEKOMUNIKASI INDONESIA
4837 356 5120 168 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1479 6122 999 AT&T WorldNet Services
4323 1343 990 370 Time Warner Telecom
2386 1216 635 730 AT&T Data Communications Serv
11492 1149 112 15 Cable One
6478 1129 328 134 AT&T Worldnet Services
6197 1032 718 508 BellSouth Network Solutions,
18566 1027 288 9 Covad Communications
174 967 6780 856 Cogent Communications
7011 940 285 558 Citizens Utilities
701 877 6574 683 UUNET Technologies, Inc.
20115 823 755 440 Charter Communications
1239 803 2720 565 Sprint
19262 778 2758 190 Verizon Global Networks
22773 771 2148 50 Cox Communications, Inc.
209 742 3834 586 Qwest
3356 659 10820 367 Level 3 Communications, LLC
5668 656 176 23 CenturyTel Internet Holdings,
6517 592 165 36 Yipes Communications, Inc.
852 584 1112 363 Telus Advanced Communications
15270 579 160 38 PaeTec.net -a division of Pae
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 493 1923 395 UUNET - Commercial IP service
24863 369 57 39 LINKdotNET AS number
9116 346 168 27 Goldenlines main autonomous s
3301 319 1457 296 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
8551 297 284 38 Bezeq International
6746 290 131 266 Dynamic Network Technologies,
680 269 2045 257 DFN-IP service G-WiN
8708 263 421 242 Romania Data Systems S.A.
3215 261 2456 98 France Telecom Transpac
8220 256 444 239 COLT Telecommunications
3352 227 1882 40 Ibernet, Internet Access Netw
5089 224 1658 54 NTL Group Limited
3269 223 2839 73 TELECOM ITALIA
9121 217 1442 25 TTnet Autonomous System
3292 197 1380 177 TDC Tele Danmark
3300 196 172 95 AUCS Communications Services
12479 194 578 6 Uni2 Autonomous System
1257 192 1195 170 SWIPnet Swedish IP Network
3246 187 253 177 Song Networks
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 921 1974 206 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 426 26 9 NSS, S.A.
11172 374 114 60 Servicios Alestra S.A de C.V
7303 352 166 50 Telecom Argentina Stet-France
6471 329 75 33 ENTEL CHILE S.A.
14522 329 28 7 SatNet S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 284 19 15 Telefonica del Sur S.A.
10481 278 104 9 Prima S.A.
11664 277 30 13 Keytech SA
11556 237 128 4 Cable-Wireless Panama
10620 235 65 22 TVCABLE BOGOTA
6147 228 178 24 Telefonica Del Peru
6503 200 170 82 AVANTEL, S.A.
23216 198 17 46 RAMtelecom Telecomunicaciones
20299 178 25 30 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
19169 175 12 19 Telconet
21826 173 31 59 INTERCABLE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 284 870 226 The Internet Solution
8452 219 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 140 301 115 Tertiary Education Network
33783 125 8 12 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 76 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 73 24 15 MAURITIUS TELECOM
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 42 21 29 Johnnic e-Ventures
12455 35 6 3 Jambonet Autonomous system
8524 31 2 10 AUCEGYPT Autonomous System
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 27 16 1 Standard Bank of South Africa
29975 26 10 9 Vodacom
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1349 1280 Videsh Sanchar Nigam Ltd. Aut
11492 1149 1134 Cable One
18566 1027 1018 Covad Communications
6478 1129 995 AT&T Worldnet Services
4323 1343 973 Time Warner Telecom
9498 1007 942 BHARTI BT INTERNET LTD.
4134 1077 785 CHINANET-BACKBONE
17488 810 751 Hathway IP Over Cable Interne
9583 1127 722 Sify Limited
22773 771 721 Cox Communications, Inc.
8151 921 715 UniNet S.A. de C.V.
5668 656 633 CenturyTel Internet Holdings,
7545 724 604 TPG Internet Pty Ltd
19262 778 588 Verizon Global Networks
6517 592 556 Yipes Communications, Inc.
18101 598 548 Reliance Infocom Ltd Internet
15270 579 541 PaeTec.net -a division of Pae
6197 1032 524 BellSouth Network Solutions,
9829 530 521 BSNL National Internet Backbo
19916 568 517 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65501 PRIVATE 202.153.21.0/24 23666 PT Sistelindo Mitral
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous
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 /8:19 /9:9 /10:16 /11:37 /12:135
/13:262 /14:473 /15:922 /16:9621 /17:4089 /18:6651
/19:13997 /20:16498 /21:15034 /22:19460 /23:20318 /24:122056
/25:757 /26:1019 /27:513 /28:87 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1141 1149 Cable One
6478 1128 1129 AT&T Worldnet Services
18566 1009 1027 Covad Communications
9583 969 1127 Sify Limited
2386 908 1216 AT&T Data Communications Serv
7011 830 940 Citizens Utilities
7018 823 1479 AT&T WorldNet Services
6197 785 1032 BellSouth Network Solutions,
23577 776 785 Korea Telecom (ATM-MPLS)
4755 754 1349 Videsh Sanchar Nigam Ltd. Aut
9498 679 1007 BHARTI BT INTERNET LTD.
17488 633 810 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 578 1343 Time Warner Telecom
19916 563 568 OLM LLC
6517 557 592 Yipes Communications, Inc.
15270 543 579 PaeTec.net -a division of Pae
5668 521 656 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
18101 503 598 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:82 12:1785 13:1 15:20 16:3
17:3 18:13 20:37 24:967 25:1 32:60
33:3 38:349 40:60 41:319 44:2 47:4
52:4 55:3 56:3 57:23 58:474 59:403
60:367 61:992 62:938 63:2012 64:3230 65:2375
66:3507 67:806 68:670 69:1996 70:449 71:106
72:1432 73:5 74:662 75:260 76:127 77:353
78:164 80:833 81:834 82:569 83:364 84:623
85:820 86:341 87:521 88:281 89:994 90:24
91:560 97:6 101:1 116:360 117:158 118:19
121:300 122:614 123:192 124:675 125:1005 128:271
129:213 130:137 131:366 132:54 133:9 134:196
135:34 136:187 137:83 138:153 139:74 140:505
141:177 142:383 143:256 144:306 145:47 146:331
147:125 148:415 149:156 150:107 151:158 152:89
153:119 154:3 155:259 156:161 157:219 158:160
159:173 160:134 161:102 162:172 163:182 164:487
165:395 166:285 167:298 168:499 169:123 170:389
171:22 172:2 189:74 190:1135 192:5705 193:3952
194:3193 195:2298 196:962 198:3814 199:3220 200:5307
201:1197 202:7386 203:7734 204:3912 205:1999 206:2418
207:2845 208:2844 209:3487 210:2464 211:1086 212:1314
213:1484 214:420 215:45 216:4008 217:1195 218:321
219:371 220:1003 221:415 222:260
End of report
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