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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 20 Jul, 2007
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/oix-data/2007/07/20
Analysis Summary
----------------
BGP routing table entries examined: 212579
Prefixes after maximum aggregation: 112753
Deaggregation factor: 1.89
Unique aggregates announced to Internet: 105549
Total ASes present in the Internet Routing Table: 25040
Prefixes per ASN: 8.49
Origin-only ASes present in the Internet Routing Table: 21629
Origin ASes announcing only one prefix: 10765
Transit ASes present in the Internet Routing Table: 3411
Transit-only ASes present in the Internet Routing Table: 116
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 31
Max AS path prepend of ASN (23775) 25
Prefixes from unregistered ASNs in the Routing Table: 40
Unregistered ASNs in the Routing Table: 25
Prefixes from 32-bit ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1647312697
Equivalent to 98 /8s, 47 /16s and 255 /24s
Percentage of available address space announced: 44.4
Percentage of allocated address space announced: 58.9
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 113093
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 46241
Total APNIC prefixes after maximum aggregation: 18282
APNIC Deaggregation factor: 2.53
Prefixes being announced from the APNIC address blocks: 43061
Unique aggregates announced from the APNIC address blocks: 19901
APNIC Region origin ASes present in the Internet Routing Table: 2885
APNIC Prefixes per ASN: 14.93
APNIC Region origin ASes announcing only one prefix: 794
APNIC Region transit ASes present in the Internet Routing Table: 459
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 29
Number of APNIC addresses announced to Internet: 237142888
Equivalent to 14 /8s, 34 /16s and 131 /24s
Percentage of available APNIC address space announced: 58.7
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: 100966
Total ARIN prefixes after maximum aggregation: 58594
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 71627
Unique aggregates announced from the ARIN address blocks: 29441
ARIN Region origin ASes present in the Internet Routing Table: 11180
ARIN Prefixes per ASN: 6.41
ARIN Region origin ASes announcing only one prefix: 4433
ARIN Region transit ASes present in the Internet Routing Table: 1106
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 323156840
Equivalent to 19 /8s, 66 /16s and 251 /24s
Percentage of available ARIN address space announced: 71.3
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: 47265
Total RIPE prefixes after maximum aggregation: 30555
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43653
Unique aggregates announced from the RIPE address blocks: 28507
RIPE Region origin ASes present in the Internet Routing Table: 9835
RIPE Prefixes per ASN: 4.44
RIPE Region origin ASes announcing only one prefix: 5214
RIPE Region transit ASes present in the Internet Routing Table: 1602
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 315259841
Equivalent to 18 /8s, 202 /16s and 123 /24s
Percentage of available RIPE address space announced: 78.3
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
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 15499
Total LACNIC prefixes after maximum aggregation: 4265
LACNIC Deaggregation factor: 3.63
Prefixes being announced from the LACNIC address blocks: 13653
Unique aggregates announced from the LACNIC address blocks: 7700
LACNIC Region origin ASes present in the Internet Routing Table: 826
LACNIC Prefixes per ASN: 16.53
LACNIC Region origin ASes announcing only one prefix: 260
LACNIC Region transit ASes present in the Internet Routing Table: 150
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 31
Number of LACNIC addresses announced to Internet: 40636928
Equivalent to 2 /8s, 108 /16s and 18 /24s
Percentage of available LACNIC address space announced: 60.6
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: 2570
Total AfriNIC prefixes after maximum aggregation: 1049
AfriNIC Deaggregation factor: 2.45
Prefixes being announced from the AfriNIC address blocks: 2182
Unique aggregates announced from the AfriNIC address blocks: 1274
AfriNIC Region origin ASes present in the Internet Routing Table: 197
AfriNIC Prefixes per ASN: 11.08
AfriNIC Region origin ASes announcing only one prefix: 64
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6319872
Equivalent to 0 /8s, 96 /16s and 111 /24s
Percentage of available AfriNIC address space announced: 18.8
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 1281 382 71 Videsh Sanchar Nigam Ltd. Aut
4134 938 7487 208 CHINANET-BACKBONE
23577 936 34 802 Korea Telecom (ATM-MPLS)
9498 918 529 72 BHARTI BT INTERNET LTD.
9583 908 80 257 Sify Limited
4766 786 4929 314 Korea Telecom (KIX)
17488 677 44 65 Hathway IP Over Cable Interne
7545 619 132 154 TPG Internet Pty Ltd
1221 593 1951 436 Telstra Pty Ltd
18101 573 117 41 Reliance Infocom Ltd Internet
4668 508 66 35 LG-EDS Systems Inc.
7474 470 205 275 SingTel Optus Pty Ltd
9829 361 257 18 BSNL National Internet Backbo
17557 340 53 168 Pakistan Telecom
4812 336 597 65 China Telecom (Shanghai)
2907 332 1677 302 SINET Japan
7552 323 166 6 Vietel Corporation
9929 306 151 45 China Netcom Corp.
4780 289 290 37 Digital United Inc.
17849 287 30 36 Telecommunications Technology
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1022 940 670 Telenor Internet Access
702 501 1905 402 UUNET - Commercial IP service
5089 368 1658 53 NTL Group Limited
24863 344 56 40 LINKdotNET AS number
3301 312 1456 292 TeliaNet Sweden
3320 309 6034 256 Deutsche Telekom AG
8551 307 305 49 Bezeq International
9116 302 166 24 Goldenlines main autonomous s
6746 282 129 258 Dynamic Network Technologies,
680 265 2045 256 DFN-IP service G-WiN
8220 259 440 243 COLT Telecommunications
3215 255 2376 96 France Telecom Transpac
8708 249 420 239 Romania Data Systems S.A.
1257 207 1195 172 SWIPnet Swedish IP Network
9121 207 1441 24 TTnet Autonomous System
3292 194 1379 174 TDC Tele Danmark
3269 193 2576 59 TELECOM ITALIA
2856 192 2318 152 BTnet UK Regional network
12479 191 578 6 Uni2 Autonomous System
3246 190 254 177 Song Networks
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1447 10128 973 AT&T WorldNet Services
2386 1210 633 755 AT&T Data Communications Serv
6478 1113 316 162 AT&T Worldnet Services
11492 1102 107 24 Cable One
18566 1014 288 9 Covad Communications
174 955 6745 844 Cogent Communications
701 947 6563 723 UUNET Technologies, Inc.
6197 848 652 415 BellSouth Network Solutions,
7011 811 245 487 Citizens Utilities
1239 809 2725 579 Sprint
20115 800 734 428 Charter Communications
209 763 3863 597 Qwest
22773 726 1884 39 Cox Communications, Inc.
19262 724 2721 162 Verizon Global Networks
577 664 810 204 Bell Advanced Communications
4323 664 755 270 Time Warner Telecom
5668 617 169 21 CenturyTel Internet Holdings,
852 586 1077 363 Telus Advanced Communications
7029 580 485 77 Alltel Information Services,
855 569 189 68 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1281 1210 Videsh Sanchar Nigam Ltd. Aut
11492 1102 1078 Cable One
18566 1014 1005 Covad Communications
6478 1113 951 AT&T Worldnet Services
9498 918 846 BHARTI BT INTERNET LTD.
4134 938 730 CHINANET-BACKBONE
22773 726 687 Cox Communications, Inc.
9583 908 651 Sify Limited
8151 820 627 UniNet S.A. de C.V.
17488 677 612 Hathway IP Over Cable Interne
5668 617 596 CenturyTel Internet Holdings,
19262 724 562 Verizon Global Networks
18101 573 532 Reliance Infocom Ltd Internet
6517 567 531 Yipes Communications, Inc.
15270 557 520 PaeTec.net -a division of Pae
19916 568 517 OLM LLC
7029 580 503 Alltel Information Services,
855 569 501 Canadian Research Network
11830 483 474 Instituto Costarricense de El
4668 508 473 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc.
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In
64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In
64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In
64542 PRIVATE 195.47.25.192/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In
64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In
64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In
64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In
64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In
65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
64516 PRIVATE 209.43.37.0/24 7332 IQuest Internet
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio
64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
37956 UNALLOCATED 221.123.16.0/24 38440 Mobileclusters Ltd
37956 UNALLOCATED 221.123.17.0/24 38440 Mobileclusters Ltd
37956 UNALLOCATED 221.123.18.0/24 38440 Mobileclusters Ltd
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.0.2.0/24 812 Rogers WAVE
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 /10:13 /11:33 /12:124
/13:247 /14:446 /15:846 /16:8824 /17:3625 /18:5882
/19:12398 /20:14922 /21:13545 /22:17559 /23:18762 /24:111510
/25:1037 /26:1336 /27:580 /28:257 /29:194 /30:305
/31:8 /32:99
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1112 1113 AT&T Worldnet Services
11492 1093 1102 Cable One
18566 996 1014 Covad Communications
23577 927 936 Korea Telecom (ATM-MPLS)
2119 916 1022 Telenor Internet Access
2386 902 1210 AT&T Data Communications Serv
7018 790 1447 AT&T WorldNet Services
9583 748 908 Sify Limited
7011 725 811 Citizens Utilities
4755 674 1281 Videsh Sanchar Nigam Ltd. Aut
6197 660 848 BellSouth Network Solutions,
9498 648 918 BHARTI BT INTERNET LTD.
4766 590 786 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 533 567 Yipes Communications, Inc.
15270 522 557 PaeTec.net -a division of Pae
4668 502 508 LG-EDS Systems Inc.
17488 500 677 Hathway IP Over Cable Interne
18101 485 573 Reliance Infocom Ltd Internet
5668 483 617 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:83 9:1 12:1819 15:19
16:3 17:3 18:11 20:37 24:940 25:1
32:167 33:3 38:335 40:60 41:215 43:6
44:2 47:4 52:4 55:3 56:3 57:50
58:479 59:383 60:339 61:1009 62:929 63:1997
64:3163 65:2409 66:3329 67:759 68:627 69:1915
70:441 71:102 72:1353 73:2 74:580 75:253
76:81 77:285 78:19 80:842 81:821 82:724
83:385 84:548 85:874 86:332 87:446 88:287
89:904 90:8 91:426 97:6 98:3 116:252
117:64 121:239 122:576 123:130 124:880 125:948
128:288 129:224 130:140 131:363 132:54 133:9
134:195 135:38 136:182 137:85 138:156 139:123
140:495 141:173 142:391 143:235 144:296 145:45
146:324 147:120 148:400 149:145 150:113 151:161
152:92 153:126 154:3 155:256 156:155 157:218
158:158 159:164 160:103 161:96 162:215 163:181
164:464 165:406 166:286 167:290 168:510 169:120
170:413 171:23 172:1 189:63 190:755 192:5804
193:3940 194:3201 195:2310 196:1010 198:3869 199:3293
200:4936 201:1109 202:7461 203:6508 204:3496 205:1746
206:1996 207:2173 208:2052 209:2395 210:1718 211:685
212:976 213:1234 214:404 215:31 216:2840 217:980
218:274 219:147 220:787 221:274 222:81
End of report
