[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sun Sep 9 01:09:17 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 08 Sep, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/09/08/0400
Analysis Summary
----------------
BGP routing table entries examined: 230454
Prefixes after maximum aggregation: 120354
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 112054
Total ASes present in the Internet Routing Table: 26139
Prefixes per ASN: 8.82
Origin-only ASes present in the Internet Routing Table: 22752
Origin ASes announcing only one prefix: 11073
Transit ASes present in the Internet Routing Table: 3387
Transit-only ASes present in the Internet Routing Table: 78
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: 7
Unregistered ASNs in the Routing Table: 4
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1758100960
Equivalent to 104 /8s, 202 /16s and 125 /24s
Percentage of available address space announced: 47.4
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 122119
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 53790
Total APNIC prefixes after maximum aggregation: 20883
APNIC Deaggregation factor: 2.58
Prefixes being announced from the APNIC address blocks: 50711
Unique aggregates announced from the APNIC address blocks: 22504
APNIC Region origin ASes present in the Internet Routing Table: 3050
APNIC Prefixes per ASN: 16.63
APNIC Region origin ASes announcing only one prefix: 808
APNIC Region transit ASes present in the Internet Routing Table: 467
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 313634464
Equivalent to 18 /8s, 177 /16s and 174 /24s
Percentage of available APNIC address space announced: 77.7
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, 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: 108969
Total ARIN prefixes after maximum aggregation: 63005
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 80277
Unique aggregates announced from the ARIN address blocks: 31941
ARIN Region origin ASes present in the Internet Routing Table: 11796
ARIN Prefixes per ASN: 6.81
ARIN Region origin ASes announcing only one prefix: 4510
ARIN Region transit ASes present in the Internet Routing Table: 1093
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 343819008
Equivalent to 20 /8s, 126 /16s and 67 /24s
Percentage of available ARIN address space announced: 75.9
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: 48202
Total RIPE prefixes after maximum aggregation: 30972
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 44618
Unique aggregates announced from the RIPE address blocks: 29529
RIPE Region origin ASes present in the Internet Routing Table: 10148
RIPE Prefixes per ASN: 4.40
RIPE Region origin ASes announcing only one prefix: 5407
RIPE Region transit ASes present in the Internet Routing Table: 1613
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 326484864
Equivalent to 19 /8s, 117 /16s and 195 /24s
Percentage of available RIPE address space announced: 74.8
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
40960-44031
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: 16740
Total LACNIC prefixes after maximum aggregation: 4459
LACNIC Deaggregation factor: 3.75
Prefixes being announced from the LACNIC address blocks: 14847
Unique aggregates announced from the LACNIC address blocks: 7851
LACNIC Region origin ASes present in the Internet Routing Table: 862
LACNIC Prefixes per ASN: 17.22
LACNIC Region origin ASes announcing only one prefix: 281
LACNIC Region transit ASes present in the Internet Routing Table: 145
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 42186752
Equivalent to 2 /8s, 131 /16s and 184 /24s
Percentage of available LACNIC address space announced: 62.9
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: 2740
Total AfriNIC prefixes after maximum aggregation: 1023
AfriNIC Deaggregation factor: 2.68
Prefixes being announced from the AfriNIC address blocks: 2297
Unique aggregates announced from the AfriNIC address blocks: 1333
AfriNIC Region origin ASes present in the Internet Routing Table: 204
AfriNIC Prefixes per ASN: 11.26
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC addresses announced to Internet: 7461888
Equivalent to 0 /8s, 113 /16s and 220 /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 1352 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1124 81 409 Sify Limited
4134 1076 11228 293 CHINANET-BACKBONE
9498 999 532 64 BHARTI BT INTERNET LTD.
4766 808 5441 320 Korea Telecom (KIX)
17488 796 52 55 Hathway IP Over Cable Interne
23577 785 34 683 Korea Telecom (ATM-MPLS)
7545 724 159 121 TPG Internet Pty Ltd
18101 595 119 50 Reliance Infocom Ltd Internet
4812 550 971 98 China Telecom (Shanghai)
1221 534 1950 415 Telstra Pty Ltd
4668 516 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
9443 468 122 77 Primus Telecommunications
4808 467 777 114 CNCGROUP IP network: China169
4802 438 117 154 Wantree Development
7474 378 216 266 SingTel Optus Pty Ltd
17974 376 130 13 PT TELEKOMUNIKASI INDONESIA
4837 366 5104 167 chinanet IDC center beijing n
9829 359 257 10 BSNL National Internet Backbo
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1478 6075 996 AT&T WorldNet Services
4323 1322 991 372 Time Warner Telecom
2386 1215 637 736 AT&T Data Communications Serv
11492 1140 111 12 Cable One
6478 1132 325 169 AT&T Worldnet Services
6197 1029 718 509 BellSouth Network Solutions,
18566 1023 288 9 Covad Communications
174 971 6780 860 Cogent Communications
701 939 6577 716 UUNET Technologies, Inc.
7011 921 278 550 Citizens Utilities
20115 817 751 436 Charter Communications
1239 803 2719 565 Sprint
19262 774 2745 183 Verizon Global Networks
22773 765 2149 50 Cox Communications, Inc.
209 746 3836 586 Qwest
5668 658 176 23 CenturyTel Internet Holdings,
3356 618 10812 353 Level 3 Communications, LLC
6517 595 165 37 Yipes Communications, Inc.
852 575 1095 361 Telus Advanced Communications
15270 574 160 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 367 57 40 LINKdotNET AS number
9116 351 168 26 Goldenlines main autonomous s
3320 315 6035 262 Deutsche Telekom AG
3301 314 1456 294 TeliaNet Sweden
6746 289 130 265 Dynamic Network Technologies,
680 267 2045 257 DFN-IP service G-WiN
8551 265 252 37 Bezeq International
8708 262 420 241 Romania Data Systems S.A.
3215 258 2424 98 France Telecom Transpac
8220 256 444 239 COLT Telecommunications
3352 227 1865 38 Ibernet, Internet Access Netw
5089 224 1658 54 NTL Group Limited
3269 223 2839 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
3292 196 1379 176 TDC Tele Danmark
12479 193 578 6 Uni2 Autonomous System
1257 192 1195 170 SWIPnet Swedish IP Network
3300 192 172 92 AUCS Communications Services
20858 186 34 3 EgyNet
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 902 1970 214 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 340 162 49 Telecom Argentina Stet-France
6471 330 75 33 ENTEL CHILE S.A.
14522 327 28 7 SatNet S.A.
22047 317 246 13 VTR PUNTO NET S.A.
14117 281 19 15 Telefonica del Sur S.A.
10481 278 104 9 Prima S.A.
11664 271 30 13 Keytech SA
11556 235 128 3 Cable-Wireless Panama
10620 234 65 21 TVCABLE BOGOTA
6147 228 178 24 Telefonica Del Peru
6503 201 170 82 AVANTEL, S.A.
23216 196 17 46 RAMtelecom Telecomunicaciones
20299 180 25 31 NEWCOM AMERICAS
8163 177 11 6 METROTEL REDES S.A.
21826 171 30 58 INTERCABLE
7738 169 506 23 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 286 870 226 The Internet Solution
8452 219 188 7 TEDATA
2018 149 301 115 Tertiary Education Network
6713 142 135 11 Itissalat Al-MAGHRIB
33783 126 8 11 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 74 174 71 The Internetworking Company o
23889 69 24 15 MAURITIUS TELECOM
2561 62 6 2 Egyptian Universities Network
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
8524 31 2 10 AUCEGYPT Autonomous System
12455 29 6 3 Jambonet Autonomous system
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 27 16 1 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1352 1281 Videsh Sanchar Nigam Ltd. Aut
11492 1140 1128 Cable One
18566 1023 1014 Covad Communications
6478 1132 963 AT&T Worldnet Services
4323 1322 950 Time Warner Telecom
9498 999 935 BHARTI BT INTERNET LTD.
4134 1076 783 CHINANET-BACKBONE
17488 796 741 Hathway IP Over Cable Interne
9583 1124 715 Sify Limited
22773 765 715 Cox Communications, Inc.
8151 902 688 UniNet S.A. de C.V.
5668 658 635 CenturyTel Internet Holdings,
7545 724 603 TPG Internet Pty Ltd
19262 774 591 Verizon Global Networks
6517 595 558 Yipes Communications, Inc.
18101 595 545 Reliance Infocom Ltd Internet
15270 574 536 PaeTec.net -a division of Pae
6197 1029 520 BellSouth Network Solutions,
19916 568 517 OLM LLC
4668 516 506 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
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 /8:18 /9:9 /10:15 /11:37 /12:134
/13:261 /14:472 /15:921 /16:9616 /17:4074 /18:6613
/19:13985 /20:16226 /21:14904 /22:19174 /23:20080 /24:121504
/25:772 /26:1032 /27:507 /28:87 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1132 1140 Cable One
6478 1131 1132 AT&T Worldnet Services
18566 1005 1023 Covad Communications
9583 966 1124 Sify Limited
2386 906 1215 AT&T Data Communications Serv
7018 819 1478 AT&T WorldNet Services
7011 814 921 Citizens Utilities
6197 782 1029 BellSouth Network Solutions,
23577 776 785 Korea Telecom (ATM-MPLS)
4755 736 1352 Videsh Sanchar Nigam Ltd. Aut
9498 671 999 BHARTI BT INTERNET LTD.
17488 619 796 Hathway IP Over Cable Interne
4766 606 808 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 561 595 Yipes Communications, Inc.
4323 555 1322 Time Warner Telecom
15270 538 574 PaeTec.net -a division of Pae
5668 523 658 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
18101 501 595 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:86 12:1804 13:1 15:19
16:3 17:3 18:13 20:36 24:967 25:1
32:56 33:3 38:346 40:60 41:321 44:2
47:4 52:4 55:3 56:3 57:24 58:473
59:392 60:367 61:1015 62:931 63:2005 64:3185
65:2370 66:3408 67:797 68:659 69:1974 70:444
71:105 72:1413 73:1 74:641 75:259 76:129
77:339 78:54 80:831 81:826 82:576 83:385
84:617 85:820 86:339 87:481 88:278 89:987
90:24 91:533 97:6 98:2 116:316 117:178
118:17 121:277 122:599 123:175 124:674 125:985
128:270 129:216 130:139 131:363 132:55 133:9
134:197 135:34 136:190 137:82 138:153 139:73
140:501 141:174 142:382 143:255 144:300 145:46
146:331 147:122 148:409 149:148 150:111 151:159
152:87 153:119 154:3 155:259 156:162 157:217
158:158 159:173 160:118 161:97 162:174 163:181
164:481 165:393 166:277 167:300 168:515 169:122
170:388 171:22 172:2 189:74 190:1083 192:5745
193:3982 194:3187 195:2288 196:975 198:3826 199:3286
200:5265 201:1188 202:7375 203:7707 204:3930 205:1967
206:2414 207:2882 208:2821 209:3495 210:2460 211:1084
212:1328 213:1476 214:415 215:41 216:3988 217:1197
218:328 219:382 220:1021 221:406 222:266
End of report
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