[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 19 18:05:50 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 20 Oct, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/10/20/0400
Analysis Summary
----------------
BGP routing table entries examined: 234760
Prefixes after maximum aggregation: 121843
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 114579
Total ASes present in the Internet Routing Table: 26476
Prefixes per ASN: 8.87
Origin-only ASes present in the Internet Routing Table: 23047
Origin ASes announcing only one prefix: 11233
Transit ASes present in the Internet Routing Table: 3429
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 20
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 21
Unregistered ASNs in the Routing Table: 6
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: 1796115328
Equivalent to 107 /8s, 14 /16s and 139 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.7
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 108718
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 54729
Total APNIC prefixes after maximum aggregation: 21025
APNIC Deaggregation factor: 2.60
Prefixes being announced from the APNIC address blocks: 51663
Unique aggregates announced from the APNIC address blocks: 22925
APNIC Region origin ASes present in the Internet Routing Table: 3043
APNIC Prefixes per ASN: 16.98
APNIC Region origin ASes announcing only one prefix: 800
APNIC Region transit ASes present in the Internet Routing Table: 460
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 321956288
Equivalent to 19 /8s, 48 /16s and 169 /24s
Percentage of available APNIC address space announced: 79.8
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: 110474
Total ARIN prefixes after maximum aggregation: 63577
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 81619
Unique aggregates announced from the ARIN address blocks: 32335
ARIN Region origin ASes present in the Internet Routing Table: 11906
ARIN Prefixes per ASN: 6.86
ARIN Region origin ASes announcing only one prefix: 4579
ARIN Region transit ASes present in the Internet Routing Table: 1102
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 347934592
Equivalent to 20 /8s, 189 /16s and 15 /24s
Percentage of available ARIN address space announced: 76.8
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, 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: 49505
Total RIPE prefixes after maximum aggregation: 31654
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 45954
Unique aggregates announced from the RIPE address blocks: 30301
RIPE Region origin ASes present in the Internet Routing Table: 10366
RIPE Prefixes per ASN: 4.43
RIPE Region origin ASes announcing only one prefix: 5506
RIPE Region transit ASes present in the Internet Routing Table: 1639
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 333599872
Equivalent to 19 /8s, 226 /16s and 84 /24s
Percentage of available RIPE address space announced: 76.5
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: 17313
Total LACNIC prefixes after maximum aggregation: 4537
LACNIC Deaggregation factor: 3.82
Prefixes being announced from the LACNIC address blocks: 15340
Unique aggregates announced from the LACNIC address blocks: 8607
LACNIC Region origin ASes present in the Internet Routing Table: 871
LACNIC Prefixes per ASN: 17.61
LACNIC Region origin ASes announcing only one prefix: 282
LACNIC Region transit ASes present in the Internet Routing Table: 155
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 44467456
Equivalent to 2 /8s, 166 /16s and 133 /24s
Percentage of available LACNIC address space announced: 44.2
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: 2710
Total AfriNIC prefixes after maximum aggregation: 1036
AfriNIC Deaggregation factor: 2.62
Prefixes being announced from the AfriNIC address blocks: 2305
Unique aggregates announced from the AfriNIC address blocks: 1382
AfriNIC Region origin ASes present in the Internet Routing Table: 210
AfriNIC Prefixes per ASN: 10.98
AfriNIC Region origin ASes announcing only one prefix: 66
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7623680
Equivalent to 0 /8s, 116 /16s and 84 /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 1470 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1120 81 420 Sify Limited
4134 1100 11540 300 CHINANET-BACKBONE
9498 1010 550 68 BHARTI BT INTERNET LTD.
17488 850 55 63 Hathway IP Over Cable Interne
4766 799 5440 314 Korea Telecom (KIX)
23577 791 34 684 Korea Telecom (ATM-MPLS)
7545 730 159 119 TPG Internet Pty Ltd
18101 606 119 52 Reliance Infocom Ltd Internet
4802 571 133 142 Wantree Development
1221 539 1950 419 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 493 792 119 CNCGROUP IP network: China169
9443 440 121 72 Primus Telecommunications
7474 381 218 267 SingTel Optus Pty Ltd
17974 363 130 13 PT TELEKOMUNIKASI INDONESIA
4837 359 5137 170 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1481 6148 995 AT&T WorldNet Services
4323 1365 1006 360 Time Warner Telecom
2386 1234 627 743 AT&T Data Communications Serv
11492 1155 116 16 Cable One
6478 1117 329 169 AT&T Worldnet Services
6197 1029 718 513 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 980 6786 843 Cogent Communications
7011 961 290 558 Citizens Utilities
701 881 6575 689 UUNET Technologies, Inc.
20115 837 765 447 Charter Communications
1239 802 2720 562 Sprint
22773 796 2133 54 Cox Communications, Inc.
19262 789 2847 180 Verizon Global Networks
209 745 3793 586 Qwest
3356 728 10858 388 Level 3 Communications, LLC
5668 661 176 17 CenturyTel Internet Holdings,
6517 588 165 36 Yipes Communications, Inc.
852 582 1101 359 Telus Advanced Communications
19916 569 49 47 OLM LLC
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 471 1919 384 UUNET - Commercial IP service
24863 372 58 36 LINKdotNET AS number
9116 338 168 27 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 315 6035 262 Deutsche Telekom AG
8551 296 284 38 Bezeq International
6746 275 128 252 Dynamic Network Technologies,
8708 271 421 243 Romania Data Systems S.A.
680 269 2045 257 DFN-IP service G-WiN
8866 265 62 24 Bulgarian Telecommunication C
3215 263 2488 99 France Telecom Transpac
8220 255 444 237 COLT Telecommunications
3352 232 1914 41 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
9121 212 1442 25 TTnet Autonomous System
3300 200 172 96 AUCS Communications Services
3292 195 1380 177 TDC Tele Danmark
1257 194 1194 176 SWIPnet Swedish IP Network
12479 194 578 6 Uni2 Autonomous System
3246 191 253 181 Song Networks
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1052 2196 212 UniNet S.A. de C.V.
11830 514 299 9 Instituto Costarricense de El
16814 427 27 10 NSS, S.A.
11172 380 114 60 Servicios Alestra S.A de C.V
14522 380 32 7 SatNet S.A.
7303 359 173 52 Telecom Argentina Stet-France
6471 347 75 36 ENTEL CHILE S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 285 19 15 Telefonica del Sur S.A.
10481 261 104 9 Prima S.A.
10620 256 71 27 TVCABLE BOGOTA
11556 237 128 4 Cable-Wireless Panama
6147 231 178 24 Telefonica Del Peru
6503 210 170 82 AVANTEL, S.A.
23216 207 16 44 RAMtelecom Telecomunicaciones
7738 204 538 24 Telecomunicacoes da Bahia S.A
28573 194 306 22 NET Servicos de Comunicao S.A
8163 183 11 8 METROTEL REDES S.A.
21826 181 32 50 INTERCABLE
19169 180 12 20 Telconet
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 278 869 225 The Internet Solution
8452 221 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 140 299 115 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 111 8 8 EEPAD TISP TELECOM & INTERNET
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 55 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 35 6 3 Jambonet Autonomous system
8524 32 2 10 AUCEGYPT Autonomous System
10798 26 16 1 Standard Bank of South Africa
29975 26 10 9 Vodacom
21280 25 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1470 1403 Videsh Sanchar Nigam Ltd. Aut
11492 1155 1139 Cable One
18566 1028 1019 Covad Communications
4323 1365 1005 Time Warner Telecom
6478 1117 948 AT&T Worldnet Services
9498 1010 942 BHARTI BT INTERNET LTD.
8151 1052 840 UniNet S.A. de C.V.
4134 1100 800 CHINANET-BACKBONE
17488 850 787 Hathway IP Over Cable Interne
22773 796 742 Cox Communications, Inc.
9583 1120 700 Sify Limited
5668 661 644 CenturyTel Internet Holdings,
7545 730 611 TPG Internet Pty Ltd
19262 789 609 Verizon Global Networks
18101 606 554 Reliance Infocom Ltd Internet
6517 588 552 Yipes Communications, Inc.
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
6197 1029 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
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
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
/13:267 /14:477 /15:937 /16:9686 /17:4124 /18:6666
/19:14372 /20:16567 /21:15354 /22:19696 /23:20592 /24:123360
/25:780 /26:1021 /27:537 /28:94 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1146 1155 Cable One
6478 1116 1117 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 962 1120 Sify Limited
2386 924 1234 AT&T Data Communications Serv
7011 848 961 Citizens Utilities
4755 839 1470 Videsh Sanchar Nigam Ltd. Aut
7018 812 1481 AT&T WorldNet Services
23577 782 791 Korea Telecom (ATM-MPLS)
6197 773 1029 BellSouth Network Solutions,
9498 693 1010 BHARTI BT INTERNET LTD.
17488 673 850 Hathway IP Over Cable Interne
4766 597 799 Korea Telecom (KIX)
4323 580 1365 Time Warner Telecom
19916 564 569 OLM LLC
6517 543 588 Yipes Communications, Inc.
5668 521 661 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
18101 507 606 Reliance Infocom Ltd Internet
15270 486 521 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:84 12:1793 15:19 16:3 17:5
18:13 20:36 24:979 25:1 32:60 33:3
38:355 40:64 41:335 44:2 47:8 52:3
55:3 56:3 57:23 58:469 59:416 60:379
61:987 62:929 63:1987 64:3276 65:2374 66:3556
67:829 68:674 69:2002 70:464 71:107 72:1410
73:6 74:719 75:261 76:147 77:394 78:250
80:854 81:789 82:570 83:349 84:612 85:831
86:342 87:583 88:290 89:1028 90:39 91:661
92:3 96:1 97:6 98:5 116:406 117:199
118:40 121:321 122:592 123:202 124:694 125:1034
128:275 129:195 130:136 131:365 132:55 133:9
134:193 135:34 136:188 137:82 138:157 139:74
140:500 141:150 142:370 143:253 144:318 145:46
146:335 147:130 148:485 149:187 150:113 151:137
152:89 153:121 154:11 155:261 156:161 157:221
158:160 159:197 160:136 161:98 162:179 163:183
164:495 165:397 166:290 167:307 168:498 169:125
170:399 171:22 172:2 189:86 190:1167 192:5721
193:3986 194:3217 195:2467 196:940 198:3800 199:3242
200:5219 201:1235 202:7309 203:7875 204:3953 205:2013
206:2422 207:2800 208:2895 209:3480 210:2438 211:1090
212:1324 213:1513 214:419 215:44 216:4099 217:1208
218:318 219:388 220:993 221:410 222:263
End of report
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