[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jan 26 05:06:57 EST 2008
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 26 Jan, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 243794
Prefixes after maximum aggregation: 124576
Deaggregation factor: 1.96
Unique aggregates announced to Internet: 119269
Total ASes present in the Internet Routing Table: 27200
Prefixes per ASN: 8.96
Origin-only ASes present in the Internet Routing Table: 23719
Origin ASes announcing only one prefix: 11517
Transit ASes present in the Internet Routing Table: 3481
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 22
Unregistered ASNs in the Routing Table: 12
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1822105376
Equivalent to 108 /8s, 155 /16s and 31 /24s
Percentage of available address space announced: 49.2
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 114971
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55917
Total APNIC prefixes after maximum aggregation: 21083
APNIC Deaggregation factor: 2.65
Prefixes being announced from the APNIC address blocks: 53423
Unique aggregates announced from the APNIC address blocks: 23898
APNIC Region origin ASes present in the Internet Routing Table: 3111
APNIC Prefixes per ASN: 17.17
APNIC Region origin ASes announcing only one prefix: 812
APNIC Region transit ASes present in the Internet Routing Table: 466
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 326665632
Equivalent to 19 /8s, 120 /16s and 133 /24s
Percentage of available APNIC address space announced: 74.7
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, 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: 114924
Total ARIN prefixes after maximum aggregation: 65330
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83810
Unique aggregates announced from the ARIN address blocks: 33376
ARIN Region origin ASes present in the Internet Routing Table: 12093
ARIN Prefixes per ASN: 6.93
ARIN Region origin ASes announcing only one prefix: 4664
ARIN Region transit ASes present in the Internet Routing Table: 1144
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 358115712
Equivalent to 21 /8s, 88 /16s and 105 /24s
Percentage of available ARIN address space announced: 79.1
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 51160
Total RIPE prefixes after maximum aggregation: 32412
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 48451
Unique aggregates announced from the RIPE address blocks: 32314
RIPE Region origin ASes present in the Internet Routing Table: 10810
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5683
RIPE Region transit ASes present in the Internet Routing Table: 1648
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 340946688
Equivalent to 20 /8s, 82 /16s and 111 /24s
Percentage of available RIPE address space announced: 78.2
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
40960-45055
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: 18403
Total LACNIC prefixes after maximum aggregation: 4632
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 16596
Unique aggregates announced from the LACNIC address blocks: 9066
LACNIC Region origin ASes present in the Internet Routing Table: 897
LACNIC Prefixes per ASN: 18.50
LACNIC Region origin ASes announcing only one prefix: 290
LACNIC Region transit ASes present in the Internet Routing Table: 150
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 47317568
Equivalent to 2 /8s, 210 /16s and 2 /24s
Percentage of available LACNIC address space announced: 47.0
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: 3375
Total AfriNIC prefixes after maximum aggregation: 1101
AfriNIC Deaggregation factor: 3.07
Prefixes being announced from the AfriNIC address blocks: 2543
Unique aggregates announced from the AfriNIC address blocks: 1445
AfriNIC Region origin ASes present in the Internet Routing Table: 220
AfriNIC Prefixes per ASN: 11.56
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 8256000
Equivalent to 0 /8s, 125 /16s and 250 /24s
Percentage of available AfriNIC address space announced: 24.6
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 1550 384 74 Videsh Sanchar Nigam Ltd. Aut
9583 1120 83 439 Sify Limited
9498 1110 549 61 BHARTI BT INTERNET LTD.
17488 961 62 87 Hathway IP Over Cable Interne
4134 863 11761 311 CHINANET-BACKBONE
4766 841 5494 340 Korea Telecom (KIX)
23577 817 34 696 Korea Telecom (ATM-MPLS)
18101 609 128 65 Reliance Infocom Ltd Internet
4780 596 309 46 Digital United Inc.
9829 584 449 11 BSNL National Internet Backbo
4812 546 938 84 China Telecom (Shanghai)
1221 545 1952 420 Telstra Pty Ltd
4808 530 821 125 CNCGROUP IP network: China169
4668 523 68 10 LG-EDS Systems Inc.
17676 506 10919 64 Softbank BB Corp.
7545 497 147 94 TPG Internet Pty Ltd
4802 470 128 151 Wantree Development
9443 437 121 71 Primus Telecommunications
17974 402 145 17 PT TELEKOMUNIKASI INDONESIA
7474 385 202 271 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1461 6073 989 AT&T WorldNet Services
4323 1384 1012 366 Time Warner Telecom
2386 1346 633 827 AT&T Data Communications Serv
11492 1210 135 17 Cable One
6478 1101 331 121 AT&T Worldnet Services
18566 1041 296 10 Covad Communications
6197 1033 739 510 BellSouth Network Solutions,
7011 1030 300 592 Citizens Utilities
174 971 6834 813 Cogent Communications
701 900 6560 690 UUNET Technologies, Inc.
19262 877 3227 149 Verizon Global Networks
20115 866 797 471 Charter Communications
22773 844 2139 58 Cox Communications, Inc.
3356 840 10909 413 Level 3 Communications, LLC
1239 794 2672 553 Sprint
209 744 3910 596 Qwest
5668 668 177 21 CenturyTel Internet Holdings,
15270 635 193 55 PaeTec.net -a division of Pae
6517 619 151 42 Yipes Communications, Inc.
6140 606 110 155 ImpSat
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 394 1650 359 TDC Tele Danmark
3301 330 1458 301 TeliaNet Sweden
3320 319 6019 265 Deutsche Telekom AG
8452 295 188 7 TEDATA
8866 282 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
8708 272 420 240 Romania Data Systems S.A.
680 271 2046 256 DFN-IP service G-WiN
3215 270 2583 92 France Telecom Transpac
6746 270 128 248 Dynamic Network Technologies,
8220 253 422 227 COLT Telecommunications
3352 241 1948 40 Ibernet, Internet Access Netw
3269 233 3085 70 TELECOM ITALIA
5462 229 666 27 Telewest Broadband
9155 214 45 10 QualityNet AS number
3300 211 172 100 AUCS Communications Services
9121 207 1444 25 TTnet Autonomous System
1257 199 1196 182 SWIPnet Swedish IP Network
29357 199 17 4 WATANIYA TELECOM
2856 195 2307 162 BTnet UK Regional network
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1150 2390 218 UniNet S.A. de C.V.
11830 547 299 9 Instituto Costarricense de El
7303 427 208 54 Telecom Argentina Stet-France
16814 427 27 10 NSS, S.A.
11172 396 115 62 Servicios Alestra S.A de C.V
6471 394 85 39 ENTEL CHILE S.A.
10620 352 92 26 TVCABLE BOGOTA
14117 351 23 16 Telefonica del Sur S.A.
22047 322 254 13 VTR PUNTO NET S.A.
10481 301 120 10 Prima S.A.
6147 257 214 21 Telefonica Del Peru
7738 244 602 25 Telecomunicacoes da Bahia S.A
11556 237 128 5 Cable-Wireless Panama
23216 232 17 49 RAMtelecom Telecomunicaciones
28573 230 322 24 NET Servicos de Comunicao S.A
20299 227 33 30 NEWCOM AMERICAS
6503 219 180 85 AVANTEL, S.A.
10834 194 76 41 ADVANCE TELECOMUNICACIONES S.
19169 191 12 20 Telconet
21826 187 33 48 INTERCABLE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 408 60 30 LINKdotNET AS number
3741 279 869 225 The Internet Solution
20858 202 34 3 EgyNet
6713 145 135 11 Itissalat Al-MAGHRIB
2018 142 268 114 Tertiary Education Network
33783 129 9 15 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
15475 93 84 4 Nile Online
24835 88 48 6 RAYA Telecom - Egypt
23889 78 24 16 MAURITIUS TELECOM
29571 77 13 7 Ci Telecom Autonomous system
2905 76 174 73 The Internetworking Company o
20484 71 5 4 Yalla Online Autonomous Syste
15706 58 12 4 Sudatel Internet Exchange Aut
5713 51 455 41 Telkom SA Ltd
33774 51 37 28 AS Number for Telecom Algeria
16637 47 21 28 Johnnic e-Ventures
8524 33 2 8 AUCEGYPT Autonomous System
21152 32 2 1 AS for the uplinks of Soficom
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
11492 1210 1193 Cable One
9498 1110 1049 BHARTI BT INTERNET LTD.
18566 1041 1031 Covad Communications
4323 1384 1018 Time Warner Telecom
6478 1101 980 AT&T Worldnet Services
8151 1150 932 UniNet S.A. de C.V.
17488 961 874 Hathway IP Over Cable Interne
22773 844 786 Cox Communications, Inc.
19262 877 728 Verizon Global Networks
9583 1120 681 Sify Limited
5668 668 647 CenturyTel Internet Holdings,
15270 635 580 PaeTec.net -a division of Pae
6517 619 577 Yipes Communications, Inc.
9829 584 573 BSNL National Internet Backbo
4134 863 552 CHINANET-BACKBONE
4780 596 550 Digital United Inc.
18101 609 544 Reliance Infocom Ltd Internet
11830 547 538 Instituto Costarricense de El
6197 1033 523 BellSouth Network Solutions,
19916 563 521 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15190 UNALLOCATED 63.98.176.0/24 701 UUNET Technologies,
18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D
14699 UNALLOCATED 63.238.252.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 63.238.253.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 64.85.144.0/22 30517 Great Lakes Comnet,
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
14699 UNALLOCATED 65.112.79.0/24 30517 Great Lakes Comnet,
21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies,
14699 UNALLOCATED 72.35.42.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 72.35.43.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 72.35.44.0/22 30517 Great Lakes Comnet,
14699 UNALLOCATED 72.35.60.0/24 30517 Great Lakes Comnet,
65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA
65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA
65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA
65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA
65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA
14699 UNALLOCATED 208.25.96.0/24 30517 Great Lakes Comnet,
14699 UNALLOCATED 208.25.97.0/24 30517 Great Lakes Comnet,
21624 UNALLOCATED 208.246.136.0/24 701 UUNET Technologies,
21624 UNALLOCATED 208.248.233.0/24 701 UUNET Technologies,
14699 UNALLOCATED 209.165.242.0/23 30517 Great Lakes Comnet,
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
172.33.1.0/24 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 /8:19 /9:9 /10:15 /11:39 /12:136
/13:275 /14:490 /15:974 /16:9750 /17:4218 /18:6957
/19:14934 /20:17118 /21:16251 /22:20453 /23:21579 /24:127936
/25:874 /26:1095 /27:552 /28:102 /29:9 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1200 1210 Cable One
6478 1100 1101 AT&T Worldnet Services
2386 1047 1346 AT&T Data Communications Serv
18566 1022 1041 Covad Communications
9583 965 1120 Sify Limited
7011 914 1030 Citizens Utilities
4755 911 1550 Videsh Sanchar Nigam Ltd. Aut
23577 808 817 Korea Telecom (ATM-MPLS)
7018 800 1461 AT&T WorldNet Services
9498 782 1110 BHARTI BT INTERNET LTD.
6197 776 1033 BellSouth Network Solutions,
17488 776 961 Hathway IP Over Cable Interne
4766 624 841 Korea Telecom (KIX)
4323 587 1384 Time Warner Telecom
15270 587 635 PaeTec.net -a division of Pae
6517 582 619 Yipes Communications, Inc.
19916 558 563 OLM LLC
5668 524 668 CenturyTel Internet Holdings,
4668 513 523 LG-EDS Systems Inc.
18101 496 609 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:98 12:1953 13:2 15:21 16:3
17:6 18:14 20:35 22:1 24:1012 25:1
31:1 32:61 33:4 38:386 40:65 41:467
44:2 47:8 52:3 55:3 56:3 57:22
58:508 59:419 60:408 61:982 62:1056 63:1969
64:3364 65:2368 66:3624 67:1058 68:636 69:2090
70:471 71:102 72:1462 73:7 74:801 75:171
76:186 77:484 78:460 79:70 80:885 81:792
82:582 83:350 84:525 85:949 86:375 87:611
88:287 89:1095 90:42 91:945 92:72 93:54
96:2 97:7 98:36 114:1 115:1 116:494
117:247 118:62 119:98 121:408 122:664 123:265
124:779 125:1071 128:309 129:199 130:130 131:393
132:68 133:9 134:188 135:36 136:216 137:97
138:156 139:81 140:495 141:106 142:377 143:266
144:322 145:51 146:334 147:130 148:485 149:178
150:118 151:139 152:94 153:130 154:11 155:284
156:198 157:250 158:164 159:215 160:212 161:96
162:198 163:185 164:560 165:417 166:292 167:308
168:564 169:132 170:430 171:28 172:3 173:1
189:143 190:1312 192:5754 193:4083 194:3241 195:2314
196:961 198:3787 199:3192 200:5431 201:1273 202:7508
203:7919 204:3971 205:2062 206:2432 207:2739 208:3118
209:3636 210:2636 211:1023 212:1287 213:1588 214:444
215:47 216:4136 217:1216 218:336 219:398 220:1006
221:413 222:300
End of report
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