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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 09 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/2007/10/09
Analysis Summary
----------------
BGP routing table entries examined: 240569
Prefixes after maximum aggregation: 122179
Deaggregation factor: 1.97
Unique aggregates announced to Internet: 113959
Total ASes present in the Internet Routing Table: 26458
Prefixes per ASN: 9.09
Origin-only ASes present in the Internet Routing Table: 22867
Origin ASes announcing only one prefix: 11171
Transit ASes present in the Internet Routing Table: 3591
Transit-only ASes present in the Internet Routing Table: 90
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 29
Max AS path prepend of ASN (23775) 25
Prefixes from unregistered ASNs in the Routing Table: 53
Unregistered ASNs in the Routing Table: 18
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1788410988
Equivalent to 106 /8s, 152 /16s and 252 /24s
Percentage of available address space announced: 48.3
Percentage of allocated address space announced: 62.4
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 111442
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58147
Total APNIC prefixes after maximum aggregation: 21260
APNIC Deaggregation factor: 2.74
Prefixes being announced from the APNIC address blocks: 54975
Unique aggregates announced from the APNIC address blocks: 22926
APNIC Region origin ASes present in the Internet Routing Table: 3076
APNIC Prefixes per ASN: 17.87
APNIC Region origin ASes announcing only one prefix: 810
APNIC Region transit ASes present in the Internet Routing Table: 477
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 29
Number of APNIC addresses announced to Internet: 321012436
Equivalent to 19 /8s, 34 /16s and 66 /24s
Percentage of available APNIC address space announced: 79.5
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: 112178
Total ARIN prefixes after maximum aggregation: 63779
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 82561
Unique aggregates announced from the ARIN address blocks: 32182
ARIN Region origin ASes present in the Internet Routing Table: 11876
ARIN Prefixes per ASN: 6.95
ARIN Region origin ASes announcing only one prefix: 4549
ARIN Region transit ASes present in the Internet Routing Table: 1156
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 347108896
Equivalent to 20 /8s, 176 /16s and 118 /24s
Percentage of available ARIN address space announced: 76.6
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: 50155
Total RIPE prefixes after maximum aggregation: 31546
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 46596
Unique aggregates announced from the RIPE address blocks: 30099
RIPE Region origin ASes present in the Internet Routing Table: 10335
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5465
RIPE Region transit ASes present in the Internet Routing Table: 1702
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 328020800
Equivalent to 19 /8s, 141 /16s and 51 /24s
Percentage of available RIPE address space announced: 75.2
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
40960-45055
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: 17247
Total LACNIC prefixes after maximum aggregation: 4517
LACNIC Deaggregation factor: 3.82
Prefixes being announced from the LACNIC address blocks: 15262
Unique aggregates announced from the LACNIC address blocks: 8490
LACNIC Region origin ASes present in the Internet Routing Table: 873
LACNIC Prefixes per ASN: 17.48
LACNIC Region origin ASes announcing only one prefix: 279
LACNIC Region transit ASes present in the Internet Routing Table: 150
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 44053504
Equivalent to 2 /8s, 160 /16s and 52 /24s
Percentage of available LACNIC address space announced: 43.8
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: 2781
Total AfriNIC prefixes after maximum aggregation: 1061
AfriNIC Deaggregation factor: 2.62
Prefixes being announced from the AfriNIC address blocks: 2368
Unique aggregates announced from the AfriNIC address blocks: 1374
AfriNIC Region origin ASes present in the Internet Routing Table: 207
AfriNIC Prefixes per ASN: 11.44
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7508992
Equivalent to 0 /8s, 114 /16s and 148 /24s
Percentage of available AfriNIC address space announced: 22.4
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 2747 2974 36 China Education and Research
4755 1418 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1113 80 425 Sify Limited
4134 1097 11500 298 CHINANET-BACKBONE
9498 1003 533 66 BHARTI BT INTERNET LTD.
23577 929 34 795 Korea Telecom (ATM-MPLS)
17488 824 53 65 Hathway IP Over Cable Interne
4766 811 5442 321 Korea Telecom (KIX)
7545 737 159 118 TPG Internet Pty Ltd
18101 603 119 50 Reliance Infocom Ltd Internet
1221 590 1950 435 Telstra Pty Ltd
4802 575 132 144 Wantree Development
4812 548 974 94 China Telecom (Shanghai)
9829 531 1313 10 BSNL National Internet Backbo
4668 517 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 489 789 117 CNCGROUP IP network: China169
9443 466 122 77 Primus Telecommunications
7474 457 218 269 SingTel Optus Pty Ltd
9942 420 74 110 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 473 1904 386 UUNET - Commercial IP service
24863 370 57 36 LINKdotNET AS number
8551 350 334 33 Bezeq International
9116 339 168 27 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 313 6035 260 Deutsche Telekom AG
6746 292 131 268 Dynamic Network Technologies,
1273 273 306 104 Cable & Wireless Deutschland
680 269 2045 257 DFN-IP service G-WiN
8708 263 421 242 Romania Data Systems S.A.
8866 263 62 22 Bulgarian Telecommunication C
3215 262 2480 100 France Telecom Transpac
8220 258 444 239 COLT Telecommunications
5089 236 1658 54 NTL Group Limited
3352 231 1898 40 Ibernet, Internet Access Netw
3269 223 2839 73 TELECOM ITALIA
9121 216 1442 25 TTnet Autonomous System
3300 206 171 97 AUCS Communications Services
1257 205 1195 169 SWIPnet Swedish IP Network
3292 195 1380 177 TDC Tele Danmark
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1479 10234 986 AT&T WorldNet Services
4323 1402 1007 363 Time Warner Telecom
2386 1230 621 752 AT&T Data Communications Serv
11492 1158 114 14 Cable One
6478 1124 329 140 AT&T Worldnet Services
6197 1032 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 970 6779 845 Cogent Communications
7011 957 289 554 Citizens Utilities
701 872 6573 678 UUNET Technologies, Inc.
20115 833 763 452 Charter Communications
1239 801 2720 561 Sprint
22773 795 2133 54 Cox Communications, Inc.
19262 779 2812 182 Verizon Global Networks
209 727 3826 576 Qwest
577 712 845 203 Bell Advanced Communications
3356 679 10820 369 Level 3 Communications, LLC
5668 646 176 23 CenturyTel Internet Holdings,
852 593 1093 359 Telus Advanced Communications
6517 588 165 36 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1418 1351 Videsh Sanchar Nigam Ltd. Aut
11492 1158 1144 Cable One
4323 1402 1039 Time Warner Telecom
18566 1028 1019 Covad Communications
6478 1124 984 AT&T Worldnet Services
9498 1003 937 BHARTI BT INTERNET LTD.
8151 1048 836 UniNet S.A. de C.V.
4134 1097 799 CHINANET-BACKBONE
17488 824 759 Hathway IP Over Cable Interne
22773 795 741 Cox Communications, Inc.
9583 1113 688 Sify Limited
5668 646 623 CenturyTel Internet Holdings,
7545 737 619 TPG Internet Pty Ltd
19262 779 597 Verizon Global Networks
18101 603 553 Reliance Infocom Ltd Internet
6517 588 552 Yipes Communications, Inc.
15270 581 542 PaeTec.net -a division of Pae
6197 1032 524 BellSouth Network Solutions,
9829 531 521 BSNL National Internet Backbo
19916 568 517 OLM LLC
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
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
65016 PRIVATE 155.248.0.0/16 5483 Hungarian Telecom
65500 PRIVATE 192.239.84.0/24 10886 University of Maryla
65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans
64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In
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
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
65000 PRIVATE 195.47.102.0/25 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 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
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
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
101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous
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
172.11.12.0/24 1803 SPRINT
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 /11:36 /12:135
/13:270 /14:481 /15:945 /16:9755 /17:4199 /18:6786
/19:14608 /20:17559 /21:15665 /22:20060 /23:20948 /24:125639
/25:880 /26:1134 /27:626 /28:264 /29:193 /30:265
/31:0 /32:77
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1150 1158 Cable One
6478 1123 1124 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 957 1113 Sify Limited
4538 922 2747 China Education and Research
23577 920 929 Korea Telecom (ATM-MPLS)
2386 919 1230 AT&T Data Communications Serv
7011 844 957 Citizens Utilities
7018 814 1479 AT&T WorldNet Services
4755 786 1418 Videsh Sanchar Nigam Ltd. Aut
6197 776 1032 BellSouth Network Solutions,
9498 688 1003 BHARTI BT INTERNET LTD.
17488 643 824 Hathway IP Over Cable Interne
4766 609 811 Korea Telecom (KIX)
4323 596 1402 Time Warner Telecom
19916 563 568 OLM LLC
15270 544 581 PaeTec.net -a division of Pae
6517 543 588 Yipes Communications, Inc.
5668 509 646 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:91 12:1807 13:1 15:20 16:3
17:4 18:13 20:36 24:1002 25:1 32:177
33:3 38:351 40:61 41:322 43:6 44:2
47:4 52:4 55:3 56:3 57:42 58:496
59:417 60:375 61:997 62:965 63:2000 64:3295
65:2424 66:3564 67:841 68:681 69:1996 70:473
71:124 72:1425 73:5 74:709 75:307 76:142
77:388 78:217 79:3 80:859 81:804 82:594
83:375 84:626 85:830 86:347 87:572 88:287
89:1017 90:37 91:608 97:6 98:4 101:1
116:375 117:194 118:38 121:308 122:613 123:196
124:687 125:1027 128:272 129:202 130:138 131:366
132:60 133:9 134:195 135:34 136:188 137:82
138:156 139:105 140:514 141:174 142:380 143:253
144:314 145:46 146:335 147:125 148:496 149:187
150:113 151:156 152:91 153:121 154:12 155:257
156:161 157:222 158:160 159:200 160:136 161:101
162:173 163:182 164:497 165:397 166:303 167:303
168:496 169:124 170:399 171:22 172:3 189:94
190:1115 192:5780 193:3987 194:3282 195:2579 196:1020
198:3892 199:3235 200:5237 201:1225 202:7803 203:7947
204:3992 205:2031 206:2488 207:2886 208:2889 209:3504
210:2763 211:1216 212:1362 213:1494 214:419 215:45
216:4092 217:1215 218:388 219:451 220:1012 221:417
222:306
End of report
