[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 30 18:03:50 UTC 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 01 Dec, 2007
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 239310
Prefixes after maximum aggregation: 123017
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 116714
Total ASes present in the Internet Routing Table: 26802
Prefixes per ASN: 8.93
Origin-only ASes present in the Internet Routing Table: 23334
Origin ASes announcing only one prefix: 11385
Transit ASes present in the Internet Routing Table: 3468
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (35389) 25
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1796436832
Equivalent to 107 /8s, 19 /16s and 115 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 111869
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55812
Total APNIC prefixes after maximum aggregation: 21251
APNIC Deaggregation factor: 2.63
Prefixes being announced from the APNIC address blocks: 52717
Unique aggregates announced from the APNIC address blocks: 23396
APNIC Region origin ASes present in the Internet Routing Table: 3089
APNIC Prefixes per ASN: 17.07
APNIC Region origin ASes announcing only one prefix: 805
APNIC Region transit ASes present in the Internet Routing Table: 472
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 326303136
Equivalent to 19 /8s, 114 /16s and 253 /24s
Percentage of available APNIC address space announced: 74.6
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, 114/7, 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: 111989
Total ARIN prefixes after maximum aggregation: 63832
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 82596
Unique aggregates announced from the ARIN address blocks: 32775
ARIN Region origin ASes present in the Internet Routing Table: 11975
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 4607
ARIN Region transit ASes present in the Internet Routing Table: 1126
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 354117248
Equivalent to 21 /8s, 27 /16s and 102 /24s
Percentage of available ARIN address space announced: 78.2
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 50277
Total RIPE prefixes after maximum aggregation: 32218
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 47104
Unique aggregates announced from the RIPE address blocks: 31176
RIPE Region origin ASes present in the Internet Routing Table: 10570
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 5620
RIPE Region transit ASes present in the Internet Routing Table: 1641
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 337246848
Equivalent to 20 /8s, 25 /16s and 250 /24s
Percentage of available RIPE address space announced: 77.3
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
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: 17959
Total LACNIC prefixes after maximum aggregation: 4600
LACNIC Deaggregation factor: 3.90
Prefixes being announced from the LACNIC address blocks: 15937
Unique aggregates announced from the LACNIC address blocks: 8874
LACNIC Region origin ASes present in the Internet Routing Table: 880
LACNIC Prefixes per ASN: 18.11
LACNIC Region origin ASes announcing only one prefix: 284
LACNIC Region transit ASes present in the Internet Routing Table: 158
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 46780928
Equivalent to 2 /8s, 201 /16s and 210 /24s
Percentage of available LACNIC address space announced: 46.5
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 3262
Total AfriNIC prefixes after maximum aggregation: 1100
AfriNIC Deaggregation factor: 2.97
Prefixes being announced from the AfriNIC address blocks: 2430
Unique aggregates announced from the AfriNIC address blocks: 1439
AfriNIC Region origin ASes present in the Internet Routing Table: 213
AfriNIC Prefixes per ASN: 11.41
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 40
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8190976
Equivalent to 0 /8s, 124 /16s and 252 /24s
Percentage of available AfriNIC address space announced: 24.4
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
4755 1485 383 69 Videsh Sanchar Nigam Ltd. Aut
4134 1106 11569 304 CHINANET-BACKBONE
9583 1093 81 423 Sify Limited
9498 1056 550 65 BHARTI BT INTERNET LTD.
17488 908 59 76 Hathway IP Over Cable Interne
9829 849 1312 9 BSNL National Internet Backbo
4766 818 5474 330 Korea Telecom (KIX)
23577 800 34 684 Korea Telecom (ATM-MPLS)
7545 683 152 116 TPG Internet Pty Ltd
18101 607 120 55 Reliance Infocom Ltd Internet
1221 546 1952 422 Telstra Pty Ltd
4812 530 869 79 China Telecom (Shanghai)
4668 519 68 10 LG-EDS Systems Inc.
4808 506 796 120 CNCGROUP IP network: China169
17676 503 10919 64 Softbank BB Corp.
4802 471 133 142 Wantree Development
9443 440 121 70 Primus Telecommunications
17974 403 145 17 PT TELEKOMUNIKASI INDONESIA
7474 383 202 269 SingTel Optus Pty Ltd
4837 362 5084 173 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1498 6139 1007 AT&T WorldNet Services
4323 1380 1017 363 Time Warner Telecom
2386 1282 633 792 AT&T Data Communications Serv
11492 1179 128 36 Cable One
6478 1124 329 178 AT&T Worldnet Services
18566 1033 288 9 Covad Communications
6197 1027 719 509 BellSouth Network Solutions,
7011 992 295 577 Citizens Utilities
174 979 6858 829 Cogent Communications
701 904 6550 709 UUNET Technologies, Inc.
20115 846 774 457 Charter Communications
3356 842 10887 416 Level 3 Communications, LLC
22773 823 2133 54 Cox Communications, Inc.
19262 815 2967 188 Verizon Global Networks
1239 792 2711 551 Sprint
209 742 3786 583 Qwest
5668 658 176 17 CenturyTel Internet Holdings,
15270 608 160 40 PaeTec.net -a division of Pae
6517 598 163 33 Yipes Communications, Inc.
852 582 1109 357 Telus Advanced Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 468 1917 381 UUNET - Commercial IP service
3292 405 1653 366 TDC Tele Danmark
9116 349 184 28 Goldenlines main autonomous s
3301 319 1457 294 TeliaNet Sweden
3320 316 6035 262 Deutsche Telekom AG
8452 283 188 7 TEDATA
8866 282 78 26 Bulgarian Telecommunication C
6746 276 129 253 Dynamic Network Technologies,
8551 276 266 40 Bezeq International
8708 274 421 244 Romania Data Systems S.A.
680 268 2045 254 DFN-IP service G-WiN
3215 266 2535 92 France Telecom Transpac
8220 253 446 233 COLT Telecommunications
3352 231 1916 46 Ibernet, Internet Access Netw
3269 227 2965 69 TELECOM ITALIA
3300 214 220 102 AUCS Communications Services
9121 211 1444 26 TTnet Autonomous System
9155 198 43 11 QualityNet AS number
1257 195 1195 178 SWIPnet Swedish IP Network
12479 194 578 6 Uni2 Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1160 2409 218 UniNet S.A. de C.V.
11830 539 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
7303 403 195 60 Telecom Argentina Stet-France
14522 381 33 8 SatNet S.A.
11172 379 115 62 Servicios Alestra S.A de C.V
6471 363 85 38 ENTEL CHILE S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
10620 285 78 20 TVCABLE BOGOTA
14117 285 19 15 Telefonica del Sur S.A.
6147 258 214 21 Telefonica Del Peru
7738 237 602 25 Telecomunicacoes da Bahia S.A
11556 236 128 4 Cable-Wireless Panama
23216 221 17 47 RAMtelecom Telecomunicaciones
6503 218 187 86 AVANTEL, S.A.
20299 208 34 30 NEWCOM AMERICAS
28573 208 313 32 NET Servicos de Comunicao S.A
19169 190 12 20 Telconet
21826 186 33 47 INTERCABLE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 367 60 51 LINKdotNET AS number
3741 281 869 226 The Internet Solution
20858 200 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 144 300 116 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 124 8 15 EEPAD TISP TELECOM & INTERNET
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 82 84 4 Nile Online
2905 77 174 73 The Internetworking Company o
23889 74 24 15 MAURITIUS TELECOM
20484 66 5 6 Yalla Online Autonomous Syste
15706 58 12 4 Sudatel Internet Exchange Aut
29571 57 13 7 Ci Telecom Autonomous system
33774 50 37 28 AS Number for Telecom Algeria
5713 46 422 36 Telkom SA Ltd
16637 42 21 28 Johnnic e-Ventures
8524 32 2 10 AUCEGYPT Autonomous System
12455 32 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1485 1416 Videsh Sanchar Nigam Ltd. Aut
11492 1179 1143 Cable One
18566 1033 1024 Covad Communications
4323 1380 1017 Time Warner Telecom
9498 1056 991 BHARTI BT INTERNET LTD.
6478 1124 946 AT&T Worldnet Services
8151 1160 942 UniNet S.A. de C.V.
9829 849 840 BSNL National Internet Backbo
17488 908 832 Hathway IP Over Cable Interne
4134 1106 802 CHINANET-BACKBONE
22773 823 769 Cox Communications, Inc.
9583 1093 670 Sify Limited
5668 658 641 CenturyTel Internet Holdings,
19262 815 627 Verizon Global Networks
15270 608 568 PaeTec.net -a division of Pae
7545 683 567 TPG Internet Pty Ltd
6517 598 565 Yipes Communications, Inc.
18101 607 552 Reliance Infocom Ltd Internet
11830 539 530 Instituto Costarricense de El
19916 569 522 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65068 PRIVATE 79.171.184.0/21 43895 *
64779 PRIVATE 124.161.4.0/23 38356 BeiJing Sincerity-ti
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.31.31.0/24 9730 The Best ISP to go Multimedia
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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.33.1.0/24 7018 AT&T WorldNet Services
173.173.173.0/24 9730 The Best ISP to go Multimedia
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 /10:16 /11:40 /12:134
/13:270 /14:485 /15:956 /16:9747 /17:4198 /18:6797
/19:14805 /20:16858 /21:16161 /22:20006 /23:20999 /24:125469
/25:785 /26:877 /27:564 /28:103 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1168 1179 Cable One
6478 1123 1124 AT&T Worldnet Services
18566 1015 1033 Covad Communications
2386 974 1282 AT&T Data Communications Serv
9583 938 1093 Sify Limited
7011 877 992 Citizens Utilities
4755 852 1485 Videsh Sanchar Nigam Ltd. Aut
7018 821 1498 AT&T WorldNet Services
23577 791 800 Korea Telecom (ATM-MPLS)
6197 770 1027 BellSouth Network Solutions,
9498 738 1056 BHARTI BT INTERNET LTD.
17488 723 908 Hathway IP Over Cable Interne
4766 607 818 Korea Telecom (KIX)
4323 585 1380 Time Warner Telecom
15270 571 608 PaeTec.net -a division of Pae
19916 564 569 OLM LLC
6517 554 598 Yipes Communications, Inc.
5668 518 658 CenturyTel Internet Holdings,
4668 509 519 LG-EDS Systems Inc.
18101 503 607 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:89 12:1872 13:1 15:20 16:3
17:6 18:13 20:35 24:1007 25:1 31:1
32:62 33:3 38:363 40:64 41:414 44:2
47:8 52:3 55:3 56:3 57:21 58:477
59:414 60:383 61:997 62:990 63:1987 64:3298
65:2360 66:3593 67:929 68:642 69:2035 70:467
71:106 72:1435 73:7 74:744 75:263 76:150
77:478 78:359 79:40 80:889 81:812 82:565
83:353 84:618 85:882 86:362 87:609 88:280
89:1043 90:39 91:792 92:13 96:1 97:6
98:16 114:1 115:1 116:455 117:230 118:47
121:357 122:654 123:223 124:727 125:982 128:309
129:195 130:137 131:374 132:60 133:9 134:193
135:33 136:195 137:82 138:149 139:74 140:512
141:146 142:373 143:259 144:323 145:51 146:329
147:125 148:481 149:185 150:170 151:137 152:95
153:122 154:11 155:269 156:199 157:225 158:160
159:197 160:184 161:97 162:189 163:185 164:558
165:415 166:289 167:310 168:537 169:126 170:419
171:29 172:5 173:1 189:118 190:1266 192:5730
193:4045 194:3221 195:2315 196:938 198:3809 199:3236
200:5236 201:1275 202:7472 203:7800 204:3986 205:2011
206:2406 207:2773 208:2998 209:3541 210:2513 211:1110
212:1274 213:1589 214:407 215:45 216:4081 217:1207
218:331 219:404 220:1005 221:408 222:282
End of report
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