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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 07 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/2007/10/07
Analysis Summary
----------------
BGP routing table entries examined: 235782
Prefixes after maximum aggregation: 120652
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 112175
Total ASes present in the Internet Routing Table: 26203
Prefixes per ASN: 9.00
Origin-only ASes present in the Internet Routing Table: 22599
Origin ASes announcing only one prefix: 11133
Transit ASes present in the Internet Routing Table: 3604
Transit-only ASes present in the Internet Routing Table: 115
Average AS path length visible in the Internet Routing Table: 4.4
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: 19
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: 11
Number of addresses announced to Internet: 1789588236
Equivalent to 106 /8s, 170 /16s and 243 /24s
Percentage of available address space announced: 48.3
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 107449
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 57048
Total APNIC prefixes after maximum aggregation: 21046
APNIC Deaggregation factor: 2.71
Prefixes being announced from the APNIC address blocks: 53958
Unique aggregates announced from the APNIC address blocks: 22506
APNIC Region origin ASes present in the Internet Routing Table: 3052
APNIC Prefixes per ASN: 17.68
APNIC Region origin ASes announcing only one prefix: 809
APNIC Region transit ASes present in the Internet Routing Table: 485
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 29
Number of APNIC addresses announced to Internet: 320906484
Equivalent to 19 /8s, 32 /16s and 164 /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: 111573
Total ARIN prefixes after maximum aggregation: 63459
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 82003
Unique aggregates announced from the ARIN address blocks: 32018
ARIN Region origin ASes present in the Internet Routing Table: 11814
ARIN Prefixes per ASN: 6.94
ARIN Region origin ASes announcing only one prefix: 4534
ARIN Region transit ASes present in the Internet Routing Table: 1180
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 346962592
Equivalent to 20 /8s, 174 /16s and 58 /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: 47109
Total RIPE prefixes after maximum aggregation: 30522
RIPE Deaggregation factor: 1.54
Prefixes being announced from the RIPE address blocks: 43734
Unique aggregates announced from the RIPE address blocks: 28973
RIPE Region origin ASes present in the Internet Routing Table: 10142
RIPE Prefixes per ASN: 4.31
RIPE Region origin ASes announcing only one prefix: 5443
RIPE Region transit ASes present in the Internet Routing Table: 1681
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 329550656
Equivalent to 19 /8s, 164 /16s and 139 /24s
Percentage of available RIPE address space announced: 75.5
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: 17218
Total LACNIC prefixes after maximum aggregation: 4547
LACNIC Deaggregation factor: 3.79
Prefixes being announced from the LACNIC address blocks: 15237
Unique aggregates announced from the LACNIC address blocks: 8468
LACNIC Region origin ASes present in the Internet Routing Table: 871
LACNIC Prefixes per ASN: 17.49
LACNIC Region origin ASes announcing only one prefix: 277
LACNIC Region transit ASes present in the Internet Routing Table: 148
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 43889408
Equivalent to 2 /8s, 157 /16s and 179 /24s
Percentage of available LACNIC address space announced: 43.6
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: 2773
Total AfriNIC prefixes after maximum aggregation: 1062
AfriNIC Deaggregation factor: 2.61
Prefixes being announced from the AfriNIC address blocks: 2358
Unique aggregates announced from the AfriNIC address blocks: 1379
AfriNIC Region origin ASes present in the Internet Routing Table: 208
AfriNIC Prefixes per ASN: 11.34
AfriNIC Region origin ASes announcing only one prefix: 70
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7530752
Equivalent to 0 /8s, 114 /16s and 233 /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 2749 2974 36 China Education and Research
4755 1437 383 67 Videsh Sanchar Nigam Ltd. Aut
4134 1098 11508 297 CHINANET-BACKBONE
9583 1098 79 430 Sify Limited
9498 996 533 66 BHARTI BT INTERNET LTD.
23577 931 34 797 Korea Telecom (ATM-MPLS)
17488 824 53 65 Hathway IP Over Cable Interne
4766 809 5441 321 Korea Telecom (KIX)
7545 720 158 130 TPG Internet Pty Ltd
18101 606 119 51 Reliance Infocom Ltd Internet
1221 590 1950 435 Telstra Pty Ltd
4802 577 132 146 Wantree Development
4812 547 974 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
7474 457 218 269 SingTel Optus Pty Ltd
9443 427 120 47 Primus Telecommunications
9942 420 74 110 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 473 1904 385 UUNET - Commercial IP service
24863 367 57 37 LINKdotNET AS number
8551 350 334 33 Bezeq International
9116 342 168 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 277 306 104 Cable & Wireless Deutschland
8708 263 421 242 Romania Data Systems S.A.
3215 262 2480 100 France Telecom Transpac
8220 256 444 238 COLT Telecommunications
5089 236 1658 54 NTL Group Limited
3352 231 1898 40 Ibernet, Internet Access Netw
680 227 2040 220 DFN-IP service G-WiN
3269 223 2839 73 TELECOM ITALIA
9121 211 1442 22 TTnet Autonomous System
1257 205 1195 169 SWIPnet Swedish IP Network
3292 195 1380 177 TDC Tele Danmark
2856 194 2302 153 BTnet UK Regional network
12479 193 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1478 10234 990 AT&T WorldNet Services
4323 1401 1007 363 Time Warner Telecom
2386 1224 621 749 AT&T Data Communications Serv
11492 1154 113 13 Cable One
6478 1125 329 141 AT&T Worldnet Services
6197 1029 690 516 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 969 6779 844 Cogent Communications
7011 944 287 559 Citizens Utilities
701 868 6571 674 UUNET Technologies, Inc.
20115 832 762 452 Charter Communications
1239 802 2720 560 Sprint
22773 792 2133 54 Cox Communications, Inc.
19262 781 2812 182 Verizon Global Networks
209 726 3817 572 Qwest
577 711 845 203 Bell Advanced Communications
3356 678 10820 370 Level 3 Communications, LLC
5668 656 176 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 1437 1370 Videsh Sanchar Nigam Ltd. Aut
11492 1154 1141 Cable One
4323 1401 1038 Time Warner Telecom
18566 1028 1019 Covad Communications
6478 1125 984 AT&T Worldnet Services
9498 996 930 BHARTI BT INTERNET LTD.
8151 1052 832 UniNet S.A. de C.V.
4134 1098 801 CHINANET-BACKBONE
17488 824 759 Hathway IP Over Cable Interne
22773 792 738 Cox Communications, Inc.
9583 1098 668 Sify Limited
5668 656 633 CenturyTel Internet Holdings,
19262 781 599 Verizon Global Networks
7545 720 590 TPG Internet Pty Ltd
18101 606 555 Reliance Infocom Ltd Internet
6517 588 552 Yipes Communications, Inc.
15270 581 542 PaeTec.net -a division of Pae
9829 531 521 BSNL National Internet Backbo
19916 568 517 OLM LLC
6197 1029 513 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
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
65010 PRIVATE 83.174.240.0/20 28812 BashInformSvyaz Auto
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
65000 PRIVATE 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
64631 PRIVATE 199.242.73.0/24 22472 Florida Supreme Cour
64631 PRIVATE 199.242.74.0/24 22472 Florida Supreme Cour
64631 PRIVATE 199.242.94.0/24 22472 Florida Supreme Cour
64631 PRIVATE 199.242.96.0/24 22472 Florida Supreme Cour
64631 PRIVATE 199.242.109.0/24 8103 Florida Department o
64631 PRIVATE 199.242.111.0/24 22472 Florida Supreme Cour
65000 PRIVATE 213.211.133.162/32 25596 Cambrium Network Ser
65000 PRIVATE 213.211.133.163/32 25596 Cambrium Network Ser
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
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 /11:37 /12:136
/13:270 /14:481 /15:944 /16:9750 /17:4207 /18:6806
/19:14594 /20:17481 /21:15408 /22:19553 /23:20341 /24:122269
/25:885 /26:1143 /27:631 /28:264 /29:196 /30:265
/31:0 /32:77
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1146 1154 Cable One
6478 1124 1125 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 945 1098 Sify Limited
4538 922 2749 China Education and Research
23577 922 931 Korea Telecom (ATM-MPLS)
2386 913 1224 AT&T Data Communications Serv
7011 832 944 Citizens Utilities
7018 812 1478 AT&T WorldNet Services
4755 805 1437 Videsh Sanchar Nigam Ltd. Aut
6197 775 1029 BellSouth Network Solutions,
9498 684 996 BHARTI BT INTERNET LTD.
17488 643 824 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 598 1401 Time Warner Telecom
19916 563 568 OLM LLC
15270 544 581 PaeTec.net -a division of Pae
6517 543 588 Yipes Communications, Inc.
5668 518 656 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:91 12:1803 13:2 15:20 16:3
17:3 18:13 20:36 24:1003 25:1 32:177
33:3 38:348 40:61 41:320 43:6 44:2
47:4 52:4 55:3 56:3 57:42 58:504
59:420 60:375 61:997 62:783 63:1989 64:3261
65:2417 66:3533 67:839 68:681 69:1935 70:471
71:124 72:1388 73:5 74:701 75:307 76:141
77:373 78:198 79:3 80:756 81:659 82:497
83:324 84:561 85:692 86:317 87:434 88:244
89:893 90:37 91:600 97:6 98:3 116:367
117:188 118:38 121:317 122:608 123:191 124:650
125:994 128:271 129:201 130:135 131:341 132:60
133:9 134:178 135:33 136:188 137:87 138:156
139:101 140:512 141:168 142:380 143:248 144:309
145:46 146:334 147:124 148:486 149:187 150:111
151:156 152:91 153:95 154:12 155:257 156:158
157:219 158:159 159:191 160:136 161:101 162:156
163:179 164:491 165:393 166:292 167:298 168:499
169:124 170:394 171:22 172:3 189:92 190:1113
192:5786 193:3992 194:3282 195:2574 196:1017 198:3887
199:3212 200:5236 201:1234 202:7506 203:7644 204:3979
205:2014 206:2467 207:2873 208:2875 209:3454 210:2685
211:1186 212:1081 213:1175 214:412 215:45 216:4032
217:1056 218:380 219:445 220:968 221:405 222:294
End of report
