[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 26 18:02:50 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 27 Oct, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/10/27/0400
Analysis Summary
----------------
BGP routing table entries examined: 235884
Prefixes after maximum aggregation: 121839
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 113953
Total ASes present in the Internet Routing Table: 26582
Prefixes per ASN: 8.87
Origin-only ASes present in the Internet Routing Table: 23140
Origin ASes announcing only one prefix: 11294
Transit ASes present in the Internet Routing Table: 3442
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (13227) 16
Prefixes from unregistered ASNs in the Routing Table: 28
Unregistered ASNs in the Routing Table: 11
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: 10
Number of addresses announced to Internet: 1797966720
Equivalent to 107 /8s, 42 /16s and 203 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.8
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 109476
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55061
Total APNIC prefixes after maximum aggregation: 20713
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 51983
Unique aggregates announced from the APNIC address blocks: 21968
APNIC Region origin ASes present in the Internet Routing Table: 3078
APNIC Prefixes per ASN: 16.89
APNIC Region origin ASes announcing only one prefix: 807
APNIC Region transit ASes present in the Internet Routing Table: 469
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 322664128
Equivalent to 19 /8s, 59 /16s and 118 /24s
Percentage of available APNIC address space announced: 79.9
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: 110769
Total ARIN prefixes after maximum aggregation: 63679
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 81900
Unique aggregates announced from the ARIN address blocks: 32455
ARIN Region origin ASes present in the Internet Routing Table: 11912
ARIN Prefixes per ASN: 6.88
ARIN Region origin ASes announcing only one prefix: 4589
ARIN Region transit ASes present in the Internet Routing Table: 1106
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 348256128
Equivalent to 20 /8s, 193 /16s and 247 /24s
Percentage of available ARIN address space announced: 76.9
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: 49773
Total RIPE prefixes after maximum aggregation: 31817
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 46251
Unique aggregates announced from the RIPE address blocks: 30449
RIPE Region origin ASes present in the Internet Routing Table: 10425
RIPE Prefixes per ASN: 4.44
RIPE Region origin ASes announcing only one prefix: 5544
RIPE Region transit ASes present in the Internet Routing Table: 1639
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 333987200
Equivalent to 19 /8s, 232 /16s and 61 /24s
Percentage of available RIPE address space announced: 76.6
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: 17518
Total LACNIC prefixes after maximum aggregation: 4579
LACNIC Deaggregation factor: 3.83
Prefixes being announced from the LACNIC address blocks: 15546
Unique aggregates announced from the LACNIC address blocks: 8668
LACNIC Region origin ASes present in the Internet Routing Table: 875
LACNIC Prefixes per ASN: 17.77
LACNIC Region origin ASes announcing only one prefix: 285
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 44806912
Equivalent to 2 /8s, 171 /16s and 179 /24s
Percentage of available LACNIC address space announced: 44.5
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: 2727
Total AfriNIC prefixes after maximum aggregation: 1037
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 2320
Unique aggregates announced from the AfriNIC address blocks: 1395
AfriNIC Region origin ASes present in the Internet Routing Table: 211
AfriNIC Prefixes per ASN: 11.00
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7632128
Equivalent to 0 /8s, 116 /16s and 117 /24s
Percentage of available AfriNIC address space announced: 22.7
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 1472 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1126 108 15 Sify Limited
4134 1095 11539 299 CHINANET-BACKBONE
9498 1014 550 67 BHARTI BT INTERNET LTD.
17488 855 55 67 Hathway IP Over Cable Interne
4766 815 5473 327 Korea Telecom (KIX)
23577 780 34 681 Korea Telecom (ATM-MPLS)
7545 718 159 120 TPG Internet Pty Ltd
18101 607 119 52 Reliance Infocom Ltd Internet
1221 544 1951 424 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 523 858 76 China Telecom (Shanghai)
4668 518 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 498 793 119 CNCGROUP IP network: China169
4802 487 133 141 Wantree Development
9443 441 121 72 Primus Telecommunications
7474 374 201 261 SingTel Optus Pty Ltd
17974 369 142 16 PT TELEKOMUNIKASI INDONESIA
4837 356 4993 167 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1487 6149 1001 AT&T WorldNet Services
4323 1345 1006 356 Time Warner Telecom
2386 1240 628 751 AT&T Data Communications Serv
11492 1153 117 39 Cable One
6478 1115 328 197 AT&T Worldnet Services
18566 1028 288 9 Covad Communications
6197 1024 718 508 BellSouth Network Solutions,
174 992 6803 846 Cogent Communications
7011 967 289 558 Citizens Utilities
701 889 6560 696 UUNET Technologies, Inc.
20115 849 774 458 Charter Communications
1239 799 2721 558 Sprint
22773 798 2133 54 Cox Communications, Inc.
19262 790 2847 191 Verizon Global Networks
3356 764 10891 398 Level 3 Communications, LLC
209 730 3784 573 Qwest
5668 662 176 17 CenturyTel Internet Holdings,
6517 590 163 34 Yipes Communications, Inc.
852 580 1108 357 Telus Advanced Communications
3561 573 2325 377 Savvis
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 473 1920 386 UUNET - Commercial IP service
24863 375 58 39 LINKdotNET AS number
9116 334 168 28 Goldenlines main autonomous s
3301 317 1441 294 TeliaNet Sweden
3320 316 6035 263 Deutsche Telekom AG
8551 310 298 41 Bezeq International
6746 275 129 252 Dynamic Network Technologies,
8708 271 421 243 Romania Data Systems S.A.
8866 269 62 25 Bulgarian Telecommunication C
680 266 2045 254 DFN-IP service G-WiN
3215 264 2504 99 France Telecom Transpac
8220 257 445 238 COLT Telecommunications
3352 232 1916 40 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
9121 212 1442 25 TTnet Autonomous System
3300 199 172 95 AUCS Communications Services
20858 195 34 3 EgyNet
1257 194 1194 176 SWIPnet Swedish IP Network
12479 194 578 6 Uni2 Autonomous System
3292 193 1380 177 TDC Tele Danmark
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1055 2196 215 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
14522 380 32 7 SatNet S.A.
11172 374 114 60 Servicios Alestra S.A de C.V
7303 361 175 54 Telecom Argentina Stet-France
6471 348 75 37 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 285 19 15 Telefonica del Sur S.A.
10620 263 73 29 TVCABLE BOGOTA
10481 261 104 9 Prima S.A.
11556 237 128 4 Cable-Wireless Panama
6147 230 178 24 Telefonica Del Peru
6503 213 187 84 AVANTEL, S.A.
23216 211 17 47 RAMtelecom Telecomunicaciones
7738 204 538 24 Telecomunicacoes da Bahia S.A
28573 200 314 27 NET Servicos de Comunicao S.A
8163 183 11 8 METROTEL REDES S.A.
21826 181 32 50 INTERCABLE
20299 180 25 30 NEWCOM AMERICAS
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 279 869 225 The Internet Solution
8452 221 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
33783 127 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
15475 77 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
23889 73 24 15 MAURITIUS TELECOM
15706 53 12 4 Sudatel Internet Exchange Aut
33774 48 33 25 AS Number for Telecom Algeria
5713 46 294 36 Telkom SA Ltd
16637 42 21 29 Johnnic e-Ventures
12455 36 6 3 Jambonet Autonomous system
8524 32 2 10 AUCEGYPT Autonomous System
10798 26 16 1 Standard Bank of South Africa
21280 26 4 4 Swift Global Kenya Ltd.Is an
29975 26 10 9 Vodacom
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1472 1405 Videsh Sanchar Nigam Ltd. Aut
11492 1153 1114 Cable One
9583 1126 1111 Sify Limited
18566 1028 1019 Covad Communications
4323 1345 989 Time Warner Telecom
9498 1014 947 BHARTI BT INTERNET LTD.
6478 1115 918 AT&T Worldnet Services
8151 1055 840 UniNet S.A. de C.V.
4134 1095 796 CHINANET-BACKBONE
17488 855 788 Hathway IP Over Cable Interne
22773 798 744 Cox Communications, Inc.
5668 662 645 CenturyTel Internet Holdings,
19262 790 599 Verizon Global Networks
7545 718 598 TPG Internet Pty Ltd
6517 590 556 Yipes Communications, Inc.
18101 607 555 Reliance Infocom Ltd Internet
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
6197 1024 516 BellSouth Network Solutions,
4668 518 508 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
64250 RESERVED 122.167.64.0/19 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.96.0/20 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.112.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.176.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.188.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.192.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.196.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.200.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.204.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.208.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.212.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.216.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.220.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.240.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.242.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.244.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.246.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L
65535 PRIVATE 200.62.98.0/24 7137 TELEMATIX/ ENITEL
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
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
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 /11:38 /12:135
/13:268 /14:478 /15:946 /16:9692 /17:4154 /18:6681
/19:14421 /20:16666 /21:15458 /22:19795 /23:20747 /24:123914
/25:775 /26:1017 /27:541 /28:101 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1145 1153 Cable One
6478 1114 1115 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 961 1126 Sify Limited
2386 931 1240 AT&T Data Communications Serv
7011 854 967 Citizens Utilities
4755 844 1472 Videsh Sanchar Nigam Ltd. Aut
7018 812 1487 AT&T WorldNet Services
6197 772 1024 BellSouth Network Solutions,
23577 771 780 Korea Telecom (ATM-MPLS)
9498 701 1014 BHARTI BT INTERNET LTD.
17488 674 855 Hathway IP Over Cable Interne
4766 606 815 Korea Telecom (KIX)
4323 569 1345 Time Warner Telecom
19916 564 569 OLM LLC
6517 545 590 Yipes Communications, Inc.
5668 521 662 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
18101 508 607 Reliance Infocom Ltd Internet
15270 446 480 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:86 12:1796 15:19 16:3 17:5
18:13 20:36 24:982 25:1 32:57 33:3
38:357 40:64 41:346 44:2 45:2 47:8
52:3 55:3 56:3 57:23 58:473 59:416
60:380 61:983 62:931 63:1979 64:3282 65:2369
66:3562 67:849 68:674 69:2001 70:465 71:108
72:1411 73:6 74:730 75:263 76:153 77:411
78:248 79:1 80:858 81:798 82:583 83:355
84:631 85:831 86:349 87:583 88:284 89:1043
90:39 91:683 92:4 96:1 97:7 98:9
116:415 117:204 118:39 121:323 122:635 123:206
124:702 125:1040 128:276 129:195 130:136 131:366
132:56 133:8 134:193 135:34 136:182 137:82
138:156 139:75 140:505 141:151 142:371 143:254
144:317 145:46 146:327 147:130 148:486 149:187
150:113 151:137 152:83 153:121 154:11 155:261
156:162 157:223 158:160 159:195 160:143 161:99
162:189 163:183 164:498 165:397 166:290 167:308
168:496 169:126 170:404 171:22 172:2 189:118
190:1212 192:5705 193:3997 194:3212 195:2463 196:941
198:3791 199:3225 200:5258 201:1237 202:7404 203:7810
204:3978 205:2002 206:2416 207:2785 208:2907 209:3597
210:2482 211:1077 212:1345 213:1525 214:419 215:45
216:4080 217:1197 218:316 219:390 220:1010 221:410
222:267
End of report
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