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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 22 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/2007/07/22
Analysis Summary
----------------
BGP routing table entries examined: 230558
Prefixes after maximum aggregation: 119915
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 110237
Total ASes present in the Internet Routing Table: 25793
Prefixes per ASN: 8.94
Origin-only ASes present in the Internet Routing Table: 22414
Origin ASes announcing only one prefix: 10907
Transit ASes present in the Internet Routing Table: 3379
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 24
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 53
Unregistered ASNs in the Routing Table: 37
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: 1739576644
Equivalent to 103 /8s, 175 /16s and 213 /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: 122170
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 54197
Total APNIC prefixes after maximum aggregation: 20926
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 51012
Unique aggregates announced from the APNIC address blocks: 22054
APNIC Region origin ASes present in the Internet Routing Table: 3024
APNIC Prefixes per ASN: 16.87
APNIC Region origin ASes announcing only one prefix: 804
APNIC Region transit ASes present in the Internet Routing Table: 469
Average APNIC Region AS path length visible: 6.3
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 305042620
Equivalent to 18 /8s, 46 /16s and 148 /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: 109021
Total ARIN prefixes after maximum aggregation: 62858
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 79892
Unique aggregates announced from the ARIN address blocks: 31345
ARIN Region origin ASes present in the Internet Routing Table: 11697
ARIN Prefixes per ASN: 6.83
ARIN Region origin ASes announcing only one prefix: 4494
ARIN Region transit ASes present in the Internet Routing Table: 1093
Average ARIN Region AS path length visible: 5.7
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 339675744
Equivalent to 20 /8s, 63 /16s and 10 /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: 48997
Total RIPE prefixes after maximum aggregation: 30757
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 45436
Unique aggregates announced from the RIPE address blocks: 29107
RIPE Region origin ASes present in the Internet Routing Table: 9968
RIPE Prefixes per ASN: 4.56
RIPE Region origin ASes announcing only one prefix: 5279
RIPE Region transit ASes present in the Internet Routing Table: 1602
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 323085952
Equivalent to 19 /8s, 65 /16s and 230 /24s
Percentage of available RIPE address space announced: 80.2
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: 15623
Total LACNIC prefixes after maximum aggregation: 4305
LACNIC Deaggregation factor: 3.63
Prefixes being announced from the LACNIC address blocks: 13659
Unique aggregates announced from the LACNIC address blocks: 7729
LACNIC Region origin ASes present in the Internet Routing Table: 829
LACNIC Prefixes per ASN: 16.48
LACNIC Region origin ASes announcing only one prefix: 267
LACNIC Region transit ASes present in the Internet Routing Table: 138
Average LACNIC Region AS path length visible: 6.3
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 40752896
Equivalent to 2 /8s, 109 /16s and 215 /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: 2681
Total AfriNIC prefixes after maximum aggregation: 1061
AfriNIC Deaggregation factor: 2.53
Prefixes being announced from the AfriNIC address blocks: 2186
Unique aggregates announced from the AfriNIC address blocks: 1273
AfriNIC Region origin ASes present in the Internet Routing Table: 200
AfriNIC Prefixes per ASN: 10.93
AfriNIC Region origin ASes announcing only one prefix: 63
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 5.7
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 6361856
Equivalent to 0 /8s, 97 /16s and 19 /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 1112 79 399 Sify Limited
9498 978 533 70 BHARTI BT INTERNET LTD.
23577 936 34 802 Korea Telecom (ATM-MPLS)
4766 786 4929 314 Korea Telecom (KIX)
17488 727 47 56 Hathway IP Over Cable Interne
7545 695 151 113 TPG Internet Pty Ltd
1221 594 1951 438 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 441 77 113 COMindico Australia
4802 412 105 150 Wantree Development
17974 373 130 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 1028 1079 182 Telenor Internet Access
702 503 1921 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 316 168 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 222 2775 74 TELECOM ITALIA
3352 220 1864 41 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
1257 207 1195 172 SWIPnet Swedish IP Network
3292 194 1379 174 TDC Tele Danmark
3300 193 172 93 AUCS Communications Services
2856 192 2318 152 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1472 6082 992 AT&T WorldNet Services
4323 1311 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
174 965 6778 853 Cogent Communications
701 935 6561 711 UUNET Technologies, Inc.
7011 896 257 544 Citizens Utilities
1239 810 2718 582 Sprint
20115 802 736 436 Charter Communications
209 764 3879 598 Qwest
19262 758 2742 183 Verizon Global Networks
22773 744 1893 50 Cox Communications, Inc.
577 680 811 205 Bell Advanced Communications
5668 619 169 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 1311 940 Time Warner Telecom
9498 978 908 BHARTI BT INTERNET LTD.
2119 1028 846 Telenor Internet Access
9583 1112 713 Sify Limited
22773 744 694 Cox Communications, Inc.
17488 727 671 Hathway IP Over Cable Interne
8151 863 658 UniNet S.A. de C.V.
5668 619 598 CenturyTel Internet Holdings,
7545 695 582 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
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 /15:911 /16:9602 /17:4080 /18:6575
/19:13845 /20:16299 /21:14644 /22:19229 /23:20245 /24:120411
/25:1031 /26:1325 /27:567 /28:260 /29:190 /30:300
/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
18566 997 1015 Covad Communications
9583 956 1112 Sify Limited
23577 927 936 Korea Telecom (ATM-MPLS)
2119 916 1028 Telenor Internet Access
2386 902 1211 AT&T Data Communications Serv
7018 797 1472 AT&T WorldNet Services
7011 794 896 Citizens Utilities
6197 780 1026 BellSouth Network Solutions,
4755 673 1279 Videsh Sanchar Nigam Ltd. Aut
9498 652 978 BHARTI BT INTERNET LTD.
4766 590 786 Korea Telecom (KIX)
19916 563 568 OLM LLC
17488 550 727 Hathway IP Over Cable Interne
4323 548 1311 Time Warner Telecom
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 12:1818 15:19
16:3 17:3 18:11 20:37 24:939 25:1
32:167 33:3 38:334 40:60 41:216 43:6
44:2 47:4 52:4 55:3 56:3 57:50
58:432 59:383 60:339 61:1009 62:936 63:1994
64:3167 65:2420 66:3321 67:759 68:627 69:1925
70:442 71:102 72:1352 73:2 74:580 75:254
76:81 77:286 78:19 80:842 81:823 82:732
83:383 84:553 85:869 86:342 87:458 88:287
89:928 90:8 91:427 97:6 98:3 116:256
117:62 121:244 122:580 123:130 124:880 125:950
128:288 129:224 130:139 131:360 132:54 133:9
134:194 135:38 136:187 137:85 138:156 139:123
140:494 141:173 142:391 143:235 144:298 145:45
146:324 147:119 148:402 149:144 150:113 151:161
152:92 153:126 154:3 155:250 156:157 157:214
158:158 159:165 160:103 161:96 162:209 163:181
164:466 165:402 166:287 167:290 168:510 169:117
170:413 171:23 172:1 189:63 190:749 192:5801
193:3942 194:3193 195:2312 196:1010 198:3866 199:3282
200:4953 201:1106 202:7461 203:7614 204:3985 205:2024
206:2473 207:2909 208:2723 209:3524 210:2443 211:1015
212:1326 213:1534 214:412 215:41 216:4028 217:1170
218:380 219:389 220:1015 221:415 222:265
End of report
