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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 23 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/2007/07/23
Analysis Summary
----------------
BGP routing table entries examined: 230849
Prefixes after maximum aggregation: 119853
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 110076
Total ASes present in the Internet Routing Table: 25794
Prefixes per ASN: 8.95
Origin-only ASes present in the Internet Routing Table: 22400
Origin ASes announcing only one prefix: 10900
Transit ASes present in the Internet Routing Table: 3394
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 5.0
Max AS path length visible: 31
Max AS path prepend of ASN (23775) 25
Prefixes from unregistered ASNs in the Routing Table: 54
Unregistered ASNs in the Routing Table: 38
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: 1739463748
Equivalent to 103 /8s, 174 /16s and 28 /24s
Percentage of available address space announced: 46.9
Percentage of allocated address space announced: 62.2
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 122261
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 54235
Total APNIC prefixes after maximum aggregation: 20903
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 51045
Unique aggregates announced from the APNIC address blocks: 21908
APNIC Region origin ASes present in the Internet Routing Table: 3026
APNIC Prefixes per ASN: 16.87
APNIC Region origin ASes announcing only one prefix: 805
APNIC Region transit ASes present in the Internet Routing Table: 467
Average APNIC Region AS path length visible: 5.7
Max APNIC Region AS path length visible: 29
Number of APNIC addresses announced to Internet: 305083068
Equivalent to 18 /8s, 47 /16s and 50 /24s
Percentage of available APNIC address space announced: 75.6
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: 109191
Total ARIN prefixes after maximum aggregation: 62809
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 80082
Unique aggregates announced from the ARIN address blocks: 31353
ARIN Region origin ASes present in the Internet Routing Table: 11696
ARIN Prefixes per ASN: 6.85
ARIN Region origin ASes announcing only one prefix: 4496
ARIN Region transit ASes present in the Internet Routing Table: 1095
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 339678560
Equivalent to 20 /8s, 63 /16s and 21 /24s
Percentage of available ARIN address space announced: 75.0
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: 49095
Total RIPE prefixes after maximum aggregation: 30781
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 45530
Unique aggregates announced from the RIPE address blocks: 29084
RIPE Region origin ASes present in the Internet Routing Table: 9962
RIPE Prefixes per ASN: 4.57
RIPE Region origin ASes announcing only one prefix: 5270
RIPE Region transit ASes present in the Internet Routing Table: 1602
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 323197824
Equivalent to 19 /8s, 67 /16s and 155 /24s
Percentage of available RIPE address space announced: 80.3
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: 15607
Total LACNIC prefixes after maximum aggregation: 4293
LACNIC Deaggregation factor: 3.64
Prefixes being announced from the LACNIC address blocks: 13647
Unique aggregates announced from the LACNIC address blocks: 7728
LACNIC Region origin ASes present in the Internet Routing Table: 828
LACNIC Prefixes per ASN: 16.48
LACNIC Region origin ASes announcing only one prefix: 266
LACNIC Region transit ASes present in the Internet Routing Table: 143
Average LACNIC Region AS path length visible: 6.2
Max LACNIC Region AS path length visible: 31
Number of LACNIC addresses announced to Internet: 40738048
Equivalent to 2 /8s, 109 /16s and 157 /24s
Percentage of available LACNIC address space announced: 60.7
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: 2682
Total AfriNIC prefixes after maximum aggregation: 1059
AfriNIC Deaggregation factor: 2.53
Prefixes being announced from the AfriNIC address blocks: 2187
Unique aggregates announced from the AfriNIC address blocks: 1274
AfriNIC Region origin ASes present in the Internet Routing Table: 200
AfriNIC Prefixes per ASN: 10.94
AfriNIC Region origin ASes announcing only one prefix: 63
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 6362112
Equivalent to 0 /8s, 97 /16s and 20 /24s
Percentage of available AfriNIC address space announced: 19.0
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
4134 1361 10826 287 CHINANET-BACKBONE
4755 1279 382 69 Videsh Sanchar Nigam Ltd. Aut
9583 1115 80 402 Sify Limited
9498 974 533 70 BHARTI BT INTERNET LTD.
23577 937 34 802 Korea Telecom (ATM-MPLS)
4766 786 4929 314 Korea Telecom (KIX)
17488 727 47 56 Hathway IP Over Cable Interne
7545 696 151 114 TPG Internet Pty Ltd
1221 591 1951 435 Telstra Pty Ltd
18101 573 117 41 Reliance Infocom Ltd Internet
4812 528 913 95 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 486 218 270 SingTel Optus Pty Ltd
9443 473 122 78 Primus Telecommunications
9942 438 76 111 COMindico Australia
4802 414 105 152 Wantree Development
17974 372 130 13 PT TELEKOMUNIKASI INDONESIA
9829 362 258 14 BSNL National Internet Backbo
4808 358 666 119 CNCGROUP IP network: China169
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1121 1079 185 Telenor Internet Access
702 503 1922 404 UUNET - Commercial IP service
5089 368 1658 53 NTL Group Limited
24863 358 56 40 LINKdotNET AS number
8551 322 312 50 Bezeq International
9116 317 168 25 Goldenlines main autonomous s
3301 312 1456 292 TeliaNet Sweden
3320 308 6034 255 Deutsche Telekom AG
6746 282 129 258 Dynamic Network Technologies,
680 265 2045 256 DFN-IP service G-WiN
8220 259 445 242 COLT Telecommunications
3215 255 2376 96 France Telecom Transpac
8708 250 420 239 Romania Data Systems S.A.
3269 221 2775 73 TELECOM ITALIA
3352 220 1864 41 Ibernet, Internet Access Netw
9121 208 1441 24 TTnet Autonomous System
1257 207 1195 172 SWIPnet Swedish IP Network
3292 194 1379 174 TDC Tele Danmark
2856 192 2318 152 BTnet UK Regional network
3300 192 172 93 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1471 10162 992 AT&T WorldNet Services
4323 1315 1021 371 Time Warner Telecom
2386 1211 633 756 AT&T Data Communications Serv
6478 1117 316 157 AT&T Worldnet Services
11492 1102 107 24 Cable One
6197 1026 717 508 BellSouth Network Solutions,
18566 1015 288 9 Covad Communications
174 964 6778 853 Cogent Communications
701 940 6578 716 UUNET Technologies, Inc.
7011 896 257 544 Citizens Utilities
1239 809 2718 582 Sprint
20115 803 737 431 Charter Communications
209 764 3879 598 Qwest
19262 758 2742 183 Verizon Global Networks
22773 745 1893 50 Cox Communications, Inc.
577 680 811 205 Bell Advanced Communications
5668 618 169 21 CenturyTel Internet Holdings,
852 587 1093 364 Telus Advanced Communications
7029 585 488 79 Alltel Information Services,
855 574 254 73 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1279 1210 Videsh Sanchar Nigam Ltd. Aut
11492 1102 1078 Cable One
4134 1361 1074 CHINANET-BACKBONE
18566 1015 1006 Covad Communications
6478 1117 960 AT&T Worldnet Services
4323 1315 944 Time Warner Telecom
2119 1121 936 Telenor Internet Access
9498 974 904 BHARTI BT INTERNET LTD.
9583 1115 713 Sify Limited
22773 745 695 Cox Communications, Inc.
17488 727 671 Hathway IP Over Cable Interne
8151 858 657 UniNet S.A. de C.V.
5668 618 597 CenturyTel Internet Holdings,
7545 696 582 TPG Internet Pty Ltd
19262 758 575 Verizon Global Networks
18101 573 532 Reliance Infocom Ltd Internet
6517 569 532 Yipes Communications, Inc.
15270 557 520 PaeTec.net -a division of Pae
6197 1026 518 BellSouth Network Solutions,
19916 568 517 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65000 PRIVATE 41.204.180.0/24 36866 Jamii Telecommunicat
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
43345 UNALLOCATED 78.40.40.0/24 702 UUNET - Commercial I
43314 UNALLOCATED 78.109.128.0/20 21127 JSC Zap-Sib TransTel
43157 UNALLOCATED 83.143.224.0/21 174 Cogent Communication
43067 UNALLOCATED 91.196.80.0/22 31305 Kriviy Rih City netw
43319 UNALLOCATED 91.197.8.0/22 12452 VSTN AS
43348 UNALLOCATED 91.197.24.0/22 29632 The NetAssist autono
43359 UNALLOCATED 91.197.36.0/22 25441 Irish Broadband Inte
43164 UNALLOCATED 91.198.0.0/24 16016 VOLJATEL Autonomous
43212 UNALLOCATED 91.198.19.0/24 5606 KPNQwest Romania AS
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
42752 UNALLOCATED 194.110.150.0/24 9121 TTnet Autonomous Sys
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
39094 UNALLOCATED 195.66.64.0/24 12578 LATTELEKOM-APOLLO
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 2854 RoSprint AS (Global One Russi
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 /11:36 /12:132
/13:261 /14:470 /15:910 /16:9595 /17:4084 /18:6573
/19:13844 /20:16303 /21:14652 /22:19228 /23:20262 /24:120634
/25:1061 /26:1343 /27:570 /28:258 /29:189 /30:299
/31:8 /32:95
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1116 1117 AT&T Worldnet Services
11492 1093 1102 Cable One
2119 1003 1121 Telenor Internet Access
18566 997 1015 Covad Communications
9583 959 1115 Sify Limited
23577 928 937 Korea Telecom (ATM-MPLS)
2386 902 1211 AT&T Data Communications Serv
7018 798 1471 AT&T WorldNet Services
7011 794 896 Citizens Utilities
6197 780 1026 BellSouth Network Solutions,
4755 673 1279 Videsh Sanchar Nigam Ltd. Aut
9498 648 974 BHARTI BT INTERNET LTD.
4766 590 786 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 551 1315 Time Warner Telecom
17488 550 727 Hathway IP Over Cable Interne
6517 534 569 Yipes Communications, Inc.
15270 522 557 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
18101 485 573 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:83 9:1 12:1823 15:19
16:3 17:3 18:11 20:37 24:940 25:1
32:167 33:3 38:336 40:60 41:218 43:6
44:2 47:4 52:4 55:3 56:3 57:50
58:479 59:383 60:339 61:1008 62:935 63:1996
64:3165 65:2416 66:3320 67:758 68:627 69:1917
70:442 71:102 72:1347 73:2 74:578 75:254
76:81 77:285 78:20 80:843 81:823 82:745
83:386 84:552 85:873 86:341 87:458 88:287
89:928 90:8 91:421 97:6 98:3 116:255
117:62 121:243 122:580 123:130 124:882 125:947
128:288 129:224 130:139 131:363 132:54 133:9
134:193 135:38 136:181 137:85 138:156 139:121
140:494 141:173 142:391 143:235 144:294 145:45
146:324 147:119 148:401 149:144 150:113 151:161
152:92 153:125 154:3 155:250 156:157 157:214
158:158 159:165 160:103 161:97 162:209 163:181
164:466 165:401 166:285 167:290 168:511 169:120
170:414 171:23 172:1 189:59 190:749 192:5799
193:3944 194:3199 195:2314 196:1009 198:3866 199:3297
200:4953 201:1106 202:7462 203:7610 204:4026 205:2036
206:2580 207:2937 208:2727 209:3524 210:2436 211:1015
212:1320 213:1536 214:410 215:41 216:4024 217:1169
218:380 219:389 220:1015 221:414 222:265
End of report
