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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 18 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/2007/10/18
Analysis Summary
----------------
BGP routing table entries examined: 241061
Prefixes after maximum aggregation: 122156
Deaggregation factor: 1.97
Unique aggregates announced to Internet: 113354
Total ASes present in the Internet Routing Table: 26537
Prefixes per ASN: 9.08
Origin-only ASes present in the Internet Routing Table: 22965
Origin ASes announcing only one prefix: 11199
Transit ASes present in the Internet Routing Table: 3572
Transit-only ASes present in the Internet Routing Table: 86
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 28
Max AS path prepend of ASN (43329) 20
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: 1795674172
Equivalent to 107 /8s, 7 /16s and 208 /24s
Percentage of available address space announced: 48.4
Percentage of allocated address space announced: 62.7
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 111765
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58097
Total APNIC prefixes after maximum aggregation: 20899
APNIC Deaggregation factor: 2.78
Prefixes being announced from the APNIC address blocks: 54939
Unique aggregates announced from the APNIC address blocks: 21882
APNIC Region origin ASes present in the Internet Routing Table: 3084
APNIC Prefixes per ASN: 17.81
APNIC Region origin ASes announcing only one prefix: 813
APNIC Region transit ASes present in the Internet Routing Table: 473
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 321434836
Equivalent to 19 /8s, 40 /16s and 180 /24s
Percentage of available APNIC address space announced: 79.6
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: 112409
Total ARIN prefixes after maximum aggregation: 63990
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 82842
Unique aggregates announced from the ARIN address blocks: 32305
ARIN Region origin ASes present in the Internet Routing Table: 11912
ARIN Prefixes per ASN: 6.95
ARIN Region origin ASes announcing only one prefix: 4561
ARIN Region transit ASes present in the Internet Routing Table: 1160
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 349156896
Equivalent to 20 /8s, 207 /16s and 182 /24s
Percentage of available ARIN address space announced: 77.1
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: 50281
Total RIPE prefixes after maximum aggregation: 31649
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 46744
Unique aggregates announced from the RIPE address blocks: 30191
RIPE Region origin ASes present in the Internet Routing Table: 10370
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5478
RIPE Region transit ASes present in the Internet Routing Table: 1692
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 332890144
Equivalent to 19 /8s, 215 /16s and 128 /24s
Percentage of available RIPE address space announced: 76.3
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
40960-45055
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: 17402
Total LACNIC prefixes after maximum aggregation: 4534
LACNIC Deaggregation factor: 3.84
Prefixes being announced from the LACNIC address blocks: 15362
Unique aggregates announced from the LACNIC address blocks: 8589
LACNIC Region origin ASes present in the Internet Routing Table: 875
LACNIC Prefixes per ASN: 17.56
LACNIC Region origin ASes announcing only one prefix: 282
LACNIC Region transit ASes present in the Internet Routing Table: 150
Average LACNIC Region AS path length visible: 5.6
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 44331008
Equivalent to 2 /8s, 164 /16s and 112 /24s
Percentage of available LACNIC address space announced: 44.0
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: 2813
Total AfriNIC prefixes after maximum aggregation: 1068
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 2381
Unique aggregates announced from the AfriNIC address blocks: 1383
AfriNIC Region origin ASes present in the Internet Routing Table: 209
AfriNIC Prefixes per ASN: 11.39
AfriNIC Region origin ASes announcing only one prefix: 65
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7623424
Equivalent to 0 /8s, 116 /16s and 83 /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 2756 2974 36 China Education and Research
4755 1466 383 67 Videsh Sanchar Nigam Ltd. Aut
4134 1098 11532 299 CHINANET-BACKBONE
9583 1028 108 15 Sify Limited
9498 1009 550 67 BHARTI BT INTERNET LTD.
23577 922 34 788 Korea Telecom (ATM-MPLS)
17488 835 54 63 Hathway IP Over Cable Interne
4766 812 5442 321 Korea Telecom (KIX)
7545 737 159 117 TPG Internet Pty Ltd
18101 606 119 53 Reliance Infocom Ltd Internet
1221 587 1950 432 Telstra Pty Ltd
4802 574 132 143 Wantree Development
4812 537 906 88 China Telecom (Shanghai)
9829 531 1313 10 BSNL National Internet Backbo
4668 518 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 489 789 117 CNCGROUP IP network: China169
7474 454 217 267 SingTel Optus Pty Ltd
9443 441 121 73 Primus Telecommunications
9942 420 74 110 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 472 1904 385 UUNET - Commercial IP service
24863 371 58 35 LINKdotNET AS number
8551 347 334 33 Bezeq International
9116 342 168 27 Goldenlines main autonomous s
3301 317 1441 294 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
6746 279 129 255 Dynamic Network Technologies,
1273 278 306 106 Cable & Wireless Deutschland
680 269 2045 257 DFN-IP service G-WiN
8708 269 421 242 Romania Data Systems S.A.
8866 264 62 24 Bulgarian Telecommunication C
3215 262 2480 100 France Telecom Transpac
8220 257 444 238 COLT Telecommunications
5089 235 1658 54 NTL Group Limited
3352 232 1914 41 Ibernet, Internet Access Netw
3269 226 2903 74 TELECOM ITALIA
9121 213 1442 25 TTnet Autonomous System
3300 208 172 99 AUCS Communications Services
1257 201 1194 173 SWIPnet Swedish IP Network
2856 195 2302 154 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1484 10236 992 AT&T WorldNet Services
4323 1357 1006 358 Time Warner Telecom
2386 1229 612 751 AT&T Data Communications Serv
11492 1156 116 15 Cable One
6478 1116 328 175 AT&T Worldnet Services
6197 1029 718 512 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 984 6786 847 Cogent Communications
7011 961 290 558 Citizens Utilities
701 879 6574 686 UUNET Technologies, Inc.
20115 837 765 447 Charter Communications
1239 798 2712 559 Sprint
22773 795 2133 54 Cox Communications, Inc.
19262 783 2825 181 Verizon Global Networks
209 735 3792 577 Qwest
577 691 845 203 Bell Advanced Communications
3356 690 10821 370 Level 3 Communications, LLC
5668 661 176 17 CenturyTel Internet Holdings,
852 593 1093 359 Telus Advanced Communications
6517 589 165 36 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1466 1399 Videsh Sanchar Nigam Ltd. Aut
11492 1156 1141 Cable One
18566 1028 1019 Covad Communications
9583 1028 1013 Sify Limited
4323 1357 999 Time Warner Telecom
9498 1009 942 BHARTI BT INTERNET LTD.
6478 1116 941 AT&T Worldnet Services
8151 1047 837 UniNet S.A. de C.V.
4134 1098 799 CHINANET-BACKBONE
17488 835 772 Hathway IP Over Cable Interne
22773 795 741 Cox Communications, Inc.
5668 661 644 CenturyTel Internet Holdings,
7545 737 620 TPG Internet Pty Ltd
19262 783 602 Verizon Global Networks
18101 606 553 Reliance Infocom Ltd Internet
6517 589 553 Yipes Communications, Inc.
15270 588 549 PaeTec.net -a division of Pae
9829 531 521 BSNL National Internet Backbo
6197 1029 517 BellSouth Network Solutions,
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
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
64540 PRIVATE 195.47.75.64/28 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
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
64512 PRIVATE 208.70.128.0/21 11236 UNIFI Communications
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
/13:272 /14:483 /15:948 /16:9771 /17:4207 /18:6823
/19:14640 /20:17618 /21:15736 /22:20128 /23:21045 /24:125722
/25:902 /26:1127 /27:625 /28:267 /29:194 /30:265
/31:0 /32:71
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1147 1156 Cable One
6478 1115 1116 AT&T Worldnet Services
18566 1010 1028 Covad Communications
4538 925 2756 China Education and Research
2386 920 1229 AT&T Data Communications Serv
23577 913 922 Korea Telecom (ATM-MPLS)
9583 893 1028 Sify Limited
7011 848 961 Citizens Utilities
4755 836 1466 Videsh Sanchar Nigam Ltd. Aut
7018 813 1484 AT&T WorldNet Services
6197 773 1029 BellSouth Network Solutions,
9498 693 1009 BHARTI BT INTERNET LTD.
17488 658 835 Hathway IP Over Cable Interne
4766 610 812 Korea Telecom (KIX)
4323 577 1357 Time Warner Telecom
19916 563 568 OLM LLC
15270 551 588 PaeTec.net -a division of Pae
6517 544 589 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 8:88 12:1805 13:1 15:19 16:3
17:5 18:13 20:36 24:1003 25:1 32:177
33:3 38:356 40:64 41:339 43:6 44:2
47:8 52:3 55:3 56:3 57:42 58:499
59:426 60:379 61:991 62:987 63:1999 64:3326
65:2432 66:3565 67:841 68:680 69:2015 70:478
71:124 72:1423 73:6 74:720 75:310 76:149
77:392 78:245 80:835 81:805 82:604 83:361
84:624 85:817 86:333 87:569 88:291 89:1008
90:37 91:646 96:1 97:6 98:4 116:391
117:199 118:40 121:322 122:615 123:202 124:663
125:1037 128:274 129:196 130:136 131:369 132:60
133:9 134:192 135:34 136:188 137:87 138:157
139:107 140:506 141:150 142:379 143:254 144:316
145:45 146:335 147:130 148:548 149:188 150:113
151:137 152:92 153:121 154:12 155:261 156:161
157:223 158:160 159:195 160:136 161:101 162:179
163:183 164:498 165:399 166:302 167:305 168:493
169:125 170:400 171:22 172:3 189:95 190:1124
192:5753 193:3986 194:3283 195:2580 196:998 198:3890
199:3239 200:5222 201:1235 202:7782 203:7970 204:3990
205:2012 206:2490 207:2885 208:2913 209:3515 210:2729
211:1196 212:1294 213:1536 214:415 215:45 216:4119
217:1211 218:386 219:452 220:1002 221:403 222:306
End of report
