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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 23 Oct, 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/2007/10/23
Analysis Summary
----------------
BGP routing table entries examined: 242138
Prefixes after maximum aggregation: 122822
Deaggregation factor: 1.97
Unique aggregates announced to Internet: 114776
Total ASes present in the Internet Routing Table: 26565
Prefixes per ASN: 9.11
Origin-only ASes present in the Internet Routing Table: 23097
Origin ASes announcing only one prefix: 11231
Transit ASes present in the Internet Routing Table: 3468
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 29
Max AS path prepend of ASN (35412) 22
Prefixes from unregistered ASNs in the Routing Table: 51
Unregistered ASNs in the Routing Table: 17
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1798143164
Equivalent to 107 /8s, 45 /16s and 124 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.8
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 112490
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58347
Total APNIC prefixes after maximum aggregation: 21306
APNIC Deaggregation factor: 2.74
Prefixes being announced from the APNIC address blocks: 55174
Unique aggregates announced from the APNIC address blocks: 22957
APNIC Region origin ASes present in the Internet Routing Table: 3091
APNIC Prefixes per ASN: 17.85
APNIC Region origin ASes announcing only one prefix: 814
APNIC Region transit ASes present in the Internet Routing Table: 469
Average APNIC Region AS path length visible: 5.4
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 322154196
Equivalent to 19 /8s, 51 /16s and 174 /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: 112791
Total ARIN prefixes after maximum aggregation: 64040
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83216
Unique aggregates announced from the ARIN address blocks: 32342
ARIN Region origin ASes present in the Internet Routing Table: 11908
ARIN Prefixes per ASN: 6.99
ARIN Region origin ASes announcing only one prefix: 4562
ARIN Region transit ASes present in the Internet Routing Table: 1135
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 349499424
Equivalent to 20 /8s, 212 /16s and 240 /24s
Percentage of available ARIN address space announced: 77.2
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: 50649
Total RIPE prefixes after maximum aggregation: 31832
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 47135
Unique aggregates announced from the RIPE address blocks: 30411
RIPE Region origin ASes present in the Internet Routing Table: 10408
RIPE Prefixes per ASN: 4.53
RIPE Region origin ASes announcing only one prefix: 5505
RIPE Region transit ASes present in the Internet Routing Table: 1637
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 29
Number of RIPE addresses announced to Internet: 333831840
Equivalent to 19 /8s, 229 /16s and 222 /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: 17476
Total LACNIC prefixes after maximum aggregation: 4561
LACNIC Deaggregation factor: 3.83
Prefixes being announced from the LACNIC address blocks: 15471
Unique aggregates announced from the LACNIC address blocks: 8660
LACNIC Region origin ASes present in the Internet Routing Table: 874
LACNIC Prefixes per ASN: 17.70
LACNIC Region origin ASes announcing only one prefix: 282
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 6.2
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 44577280
Equivalent to 2 /8s, 168 /16s and 50 /24s
Percentage of available LACNIC address space announced: 44.3
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: 2816
Total AfriNIC prefixes after maximum aggregation: 1067
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 2386
Unique aggregates announced from the AfriNIC address blocks: 1385
AfriNIC Region origin ASes present in the Internet Routing Table: 211
AfriNIC Prefixes per ASN: 11.31
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7626496
Equivalent to 0 /8s, 116 /16s and 95 /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
4538 2761 2974 36 China Education and Research
4755 1471 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1119 81 419 Sify Limited
4134 1099 11539 299 CHINANET-BACKBONE
9498 1004 550 68 BHARTI BT INTERNET LTD.
23577 924 34 790 Korea Telecom (ATM-MPLS)
17488 850 55 63 Hathway IP Over Cable Interne
4766 808 5441 320 Korea Telecom (KIX)
7545 731 159 118 TPG Internet Pty Ltd
18101 607 119 52 Reliance Infocom Ltd Internet
1221 593 1951 438 Telstra Pty Ltd
4802 572 133 141 Wantree Development
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 490 789 117 CNCGROUP IP network: China169
7474 456 218 268 SingTel Optus Pty Ltd
9443 441 121 73 Primus Telecommunications
9942 419 74 109 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 473 1920 386 UUNET - Commercial IP service
24863 372 58 36 LINKdotNET AS number
8551 347 334 33 Bezeq International
9116 343 168 28 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
1273 279 306 104 Cable & Wireless Deutschland
6746 279 130 255 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 255 428 236 COLT Telecommunications
5089 236 1658 54 NTL Group Limited
3352 232 1914 41 Ibernet, Internet Access Netw
3269 227 2933 74 TELECOM ITALIA
9121 213 1442 25 TTnet Autonomous System
3300 209 172 98 AUCS Communications Services
1257 207 1194 176 SWIPnet Swedish IP Network
3246 197 257 184 Song Networks
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1494 10252 996 AT&T WorldNet Services
4323 1363 1006 358 Time Warner Telecom
2386 1236 613 757 AT&T Data Communications Serv
11492 1149 116 22 Cable One
6478 1113 328 189 AT&T Worldnet Services
6197 1031 718 513 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 978 6786 840 Cogent Communications
7011 961 290 558 Citizens Utilities
701 877 6574 688 UUNET Technologies, Inc.
20115 836 765 446 Charter Communications
3561 832 2343 390 Savvis
1239 800 2697 560 Sprint
22773 797 2133 54 Cox Communications, Inc.
19262 785 2830 176 Verizon Global Networks
209 745 3777 585 Qwest
3356 730 10858 388 Level 3 Communications, LLC
577 714 845 204 Bell Advanced Communications
5668 661 176 17 CenturyTel Internet Holdings,
852 596 1107 362 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1471 1404 Videsh Sanchar Nigam Ltd. Aut
11492 1149 1127 Cable One
18566 1028 1019 Covad Communications
4323 1363 1005 Time Warner Telecom
9498 1004 936 BHARTI BT INTERNET LTD.
6478 1113 924 AT&T Worldnet Services
8151 1041 832 UniNet S.A. de C.V.
4134 1099 800 CHINANET-BACKBONE
17488 850 787 Hathway IP Over Cable Interne
22773 797 743 Cox Communications, Inc.
9583 1119 700 Sify Limited
5668 661 644 CenturyTel Internet Holdings,
7545 731 613 TPG Internet Pty Ltd
19262 785 609 Verizon Global Networks
18101 607 555 Reliance Infocom Ltd Internet
15270 592 553 PaeTec.net -a division of Pae
6517 590 553 Yipes Communications, Inc.
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
6197 1031 518 BellSouth Network Solutions,
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
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
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
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 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
64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In
64540 PRIVATE 195.47.75.64/28 6721 The Terminal Bar: In
64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65002 PRIVATE 198.128.4.0/24 292 Energy Sciences Netw
65001 PRIVATE 198.128.15.96/27 293 Energy Sciences Netw
65002 PRIVATE 198.129.33.36/32 292 Energy Sciences Netw
65001 PRIVATE 198.129.44.28/32 293 Energy Sciences Netw
65002 PRIVATE 198.129.224.96/29 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.32/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.112/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.116/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.120/30 292 Energy Sciences Netw
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
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
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
172.31.46.0/24 38416 KRNIC
192.0.2.0/24 2854 RoSprint AS (Global One Russi
192.168.253.0/24 4323 Time Warner Telecom
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
/13:273 /14:484 /15:950 /16:9796 /17:4233 /18:6793
/19:14729 /20:17637 /21:15788 /22:20210 /23:21105 /24:126478
/25:900 /26:1126 /27:623 /28:267 /29:194 /30:264
/31:0 /32:71
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1140 1149 Cable One
6478 1112 1113 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 963 1119 Sify Limited
4538 928 2761 China Education and Research
2386 927 1236 AT&T Data Communications Serv
23577 915 924 Korea Telecom (ATM-MPLS)
7011 848 961 Citizens Utilities
4755 839 1471 Videsh Sanchar Nigam Ltd. Aut
7018 816 1494 AT&T WorldNet Services
6197 775 1031 BellSouth Network Solutions,
9498 690 1004 BHARTI BT INTERNET LTD.
17488 673 850 Hathway IP Over Cable Interne
4766 606 808 Korea Telecom (KIX)
4323 580 1363 Time Warner Telecom
19916 564 569 OLM LLC
15270 555 592 PaeTec.net -a division of Pae
6517 544 590 Yipes Communications, Inc.
5668 521 661 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:85 12:1810 13:1 15:19 16:3
17:5 18:13 20:36 24:996 25:1 32:177
33:3 38:357 40:64 41:341 43:6 44:2
45:1 47:8 52:3 55:3 56:3 57:42
58:503 59:425 60:379 61:990 62:983 63:2003
64:3376 65:2428 66:3623 67:845 68:677 69:1993
70:479 71:120 72:1409 73:6 74:730 75:318
76:150 77:400 78:259 80:868 81:798 82:599
83:364 84:618 85:829 86:349 87:580 88:291
89:1056 90:37 91:673 92:3 96:1 97:6
98:6 116:418 117:201 118:40 121:324 122:612
123:204 124:699 125:1038 128:266 129:196 130:136
131:368 132:60 133:9 134:193 135:34 136:188
137:86 138:157 139:107 140:505 141:151 142:381
143:253 144:316 145:46 146:327 147:130 148:494
149:189 150:114 151:137 152:92 153:121 154:12
155:261 156:161 157:224 158:160 159:199 160:140
161:100 162:180 163:184 164:501 165:400 166:302
167:307 168:500 169:126 170:399 171:22 172:3
189:101 190:1172 192:5756 193:4016 194:3289 195:2569
196:994 198:3886 199:3239 200:5243 201:1233 202:7810
203:7968 204:4016 205:2020 206:2489 207:2891 208:2925
209:3623 210:2767 211:1208 212:1361 213:1534 214:414
215:44 216:4172 217:1238 218:387 219:457 220:999
221:416 222:307
End of report
