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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 02 Nov, 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/2007/11/02
Analysis Summary
----------------
BGP routing table entries examined: 243384
Prefixes after maximum aggregation: 122859
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 114406
Total ASes present in the Internet Routing Table: 26664
Prefixes per ASN: 9.13
Origin-only ASes present in the Internet Routing Table: 23088
Origin ASes announcing only one prefix: 11265
Transit ASes present in the Internet Routing Table: 3576
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 67
Max AS path prepend of ASN ( 3816) 64
Prefixes from unregistered ASNs in the Routing Table: 45
Unregistered ASNs in the Routing Table: 14
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1788784324
Equivalent to 106 /8s, 158 /16s and 174 /24s
Percentage of available address space announced: 48.3
Percentage of allocated address space announced: 61.7
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 113497
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58522
Total APNIC prefixes after maximum aggregation: 20993
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 55334
Unique aggregates announced from the APNIC address blocks: 22083
APNIC Region origin ASes present in the Internet Routing Table: 3086
APNIC Prefixes per ASN: 17.93
APNIC Region origin ASes announcing only one prefix: 793
APNIC Region transit ASes present in the Internet Routing Table: 479
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 323945684
Equivalent to 19 /8s, 79 /16s and 4 /24s
Percentage of available APNIC address space announced: 74.1
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, 114/7, 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: 113026
Total ARIN prefixes after maximum aggregation: 64218
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83387
Unique aggregates announced from the ARIN address blocks: 32543
ARIN Region origin ASes present in the Internet Routing Table: 11938
ARIN Prefixes per ASN: 6.99
ARIN Region origin ASes announcing only one prefix: 4581
ARIN Region transit ASes present in the Internet Routing Table: 1153
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 351925664
Equivalent to 20 /8s, 249 /16s and 245 /24s
Percentage of available ARIN address space announced: 77.7
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: 50497
Total RIPE prefixes after maximum aggregation: 31936
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 47413
Unique aggregates announced from the RIPE address blocks: 30568
RIPE Region origin ASes present in the Internet Routing Table: 10473
RIPE Prefixes per ASN: 4.53
RIPE Region origin ASes announcing only one prefix: 5541
RIPE Region transit ASes present in the Internet Routing Table: 1696
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 335747872
Equivalent to 20 /8s, 3 /16s and 27 /24s
Percentage of available RIPE address space announced: 77.0
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: 17977
Total LACNIC prefixes after maximum aggregation: 4593
LACNIC Deaggregation factor: 3.91
Prefixes being announced from the LACNIC address blocks: 15683
Unique aggregates announced from the LACNIC address blocks: 8717
LACNIC Region origin ASes present in the Internet Routing Table: 871
LACNIC Prefixes per ASN: 18.01
LACNIC Region origin ASes announcing only one prefix: 278
LACNIC Region transit ASes present in the Internet Routing Table: 155
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 67
Number of LACNIC addresses announced to Internet: 45840640
Equivalent to 2 /8s, 187 /16s and 121 /24s
Percentage of available LACNIC address space announced: 45.5
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: 3308
Total AfriNIC prefixes after maximum aggregation: 1101
AfriNIC Deaggregation factor: 3.00
Prefixes being announced from the AfriNIC address blocks: 2405
Unique aggregates announced from the AfriNIC address blocks: 1393
AfriNIC Region origin ASes present in the Internet Routing Table: 213
AfriNIC Prefixes per ASN: 11.29
AfriNIC Region origin ASes announcing only one prefix: 72
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7624192
Equivalent to 0 /8s, 116 /16s and 86 /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 2771 2974 36 China Education and Research
4755 1431 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1107 108 15 Sify Limited
4134 1098 11547 299 CHINANET-BACKBONE
9498 1018 549 64 BHARTI BT INTERNET LTD.
23577 911 34 788 Korea Telecom (ATM-MPLS)
17488 874 57 69 Hathway IP Over Cable Interne
4766 815 5473 327 Korea Telecom (KIX)
7545 723 159 121 TPG Internet Pty Ltd
18101 609 119 53 Reliance Infocom Ltd Internet
1221 595 1951 439 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4668 520 68 10 LG-EDS Systems Inc.
4812 515 865 76 China Telecom (Shanghai)
17676 504 10919 64 Softbank BB Corp.
4808 499 796 121 CNCGROUP IP network: China169
4802 486 133 140 Wantree Development
7474 456 202 267 SingTel Optus Pty Ltd
9443 442 121 73 Primus Telecommunications
9942 420 74 110 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 470 1919 384 UUNET - Commercial IP service
8551 348 334 33 Bezeq International
9116 335 168 28 Goldenlines main autonomous s
3320 317 6036 263 Deutsche Telekom AG
3301 316 1441 293 TeliaNet Sweden
1273 280 307 106 Cable & Wireless Deutschland
6746 273 129 251 Dynamic Network Technologies,
8708 273 421 244 Romania Data Systems S.A.
680 268 2045 254 DFN-IP service G-WiN
8866 268 62 25 Bulgarian Telecommunication C
3215 264 2504 99 France Telecom Transpac
8220 251 439 233 COLT Telecommunications
8452 242 188 7 TEDATA
5089 236 1658 54 NTL Group Limited
3352 235 1932 41 Ibernet, Internet Access Netw
3269 227 2934 74 TELECOM ITALIA
3300 222 172 98 AUCS Communications Services
9121 213 1442 25 TTnet Autonomous System
1257 207 1195 177 SWIPnet Swedish IP Network
3246 201 257 188 Song Networks
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1504 6138 1002 AT&T WorldNet Services
4323 1361 1010 360 Time Warner Telecom
2386 1244 628 756 AT&T Data Communications Serv
11492 1160 119 48 Cable One
6478 1121 329 184 AT&T Worldnet Services
6197 1030 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
7011 979 290 562 Citizens Utilities
174 973 6850 840 Cogent Communications
701 892 6551 698 UUNET Technologies, Inc.
20115 847 773 464 Charter Communications
3561 809 2325 376 Savvis
1239 808 2730 565 Sprint
22773 802 2133 54 Cox Communications, Inc.
19262 792 2842 180 Verizon Global Networks
3356 787 10884 406 Level 3 Communications, LLC
209 733 3784 575 Qwest
5668 663 176 17 CenturyTel Internet Holdings,
15270 607 161 40 PaeTec.net -a division of Pae
577 594 844 209 Bell Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1431 1364 Videsh Sanchar Nigam Ltd. Aut
11492 1160 1112 Cable One
9583 1107 1092 Sify Limited
18566 1028 1019 Covad Communications
4323 1361 1001 Time Warner Telecom
9498 1018 954 BHARTI BT INTERNET LTD.
8151 1159 941 UniNet S.A. de C.V.
6478 1121 937 AT&T Worldnet Services
17488 874 805 Hathway IP Over Cable Interne
4134 1098 799 CHINANET-BACKBONE
22773 802 748 Cox Communications, Inc.
5668 663 646 CenturyTel Internet Holdings,
19262 792 612 Verizon Global Networks
7545 723 602 TPG Internet Pty Ltd
15270 607 567 PaeTec.net -a division of Pae
6517 592 557 Yipes Communications, Inc.
18101 609 556 Reliance Infocom Ltd Internet
6197 1030 522 BellSouth Network Solutions,
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
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
65500 PRIVATE 68.87.20.0/24 36733 Comcast Cable Commun
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
65100 PRIVATE 80.91.113.0/24 33924 ProNet Autonomous Sy
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
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 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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
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 /10:16 /11:39 /12:136
/13:275 /14:486 /15:958 /16:9819 /17:4275 /18:6817
/19:14952 /20:17722 /21:15901 /22:20210 /23:21294 /24:126809
/25:952 /26:1144 /27:620 /28:284 /29:235 /30:342
/31:0 /32:71
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1151 1160 Cable One
6478 1120 1121 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 945 1107 Sify Limited
2386 935 1244 AT&T Data Communications Serv
4538 932 2771 China Education and Research
23577 902 911 Korea Telecom (ATM-MPLS)
7011 866 979 Citizens Utilities
7018 830 1504 AT&T WorldNet Services
4755 814 1431 Videsh Sanchar Nigam Ltd. Aut
6197 774 1030 BellSouth Network Solutions,
9498 704 1018 BHARTI BT INTERNET LTD.
17488 689 874 Hathway IP Over Cable Interne
4766 606 815 Korea Telecom (KIX)
4323 574 1361 Time Warner Telecom
15270 569 607 PaeTec.net -a division of Pae
19916 564 569 OLM LLC
6517 546 592 Yipes Communications, Inc.
5668 521 663 CenturyTel Internet Holdings,
4668 510 520 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:90 12:1813 13:1 15:19 16:3
17:6 18:13 20:35 24:1008 25:1 32:174
33:3 38:357 40:64 41:349 43:6 44:2
47:8 52:3 55:3 56:3 57:30 58:512
59:418 60:382 61:994 62:999 63:2005 64:3380
65:2436 66:3646 67:856 68:691 69:2011 70:480
71:120 72:1414 73:8 74:750 75:320 76:158
77:412 78:264 79:10 80:873 81:833 82:597
83:356 84:647 85:824 86:407 87:583 88:283
89:1013 90:39 91:715 92:4 96:1 97:6
98:12 116:423 117:203 118:42 121:334 122:635
123:205 124:703 125:1038 128:306 129:196 130:143
131:367 132:60 133:9 134:194 135:34 136:189
137:86 138:156 139:105 140:515 141:145 142:372
143:256 144:318 145:46 146:327 147:129 148:549
149:186 150:169 151:137 152:93 153:121 154:12
155:261 156:164 157:225 158:159 159:193 160:142
161:100 162:189 163:184 164:505 165:399 166:302
167:308 168:511 169:127 170:419 171:22 172:6
189:103 190:1206 192:5757 193:4021 194:3285 195:2549
196:987 198:3883 199:3229 200:5237 201:1227 202:7860
203:7826 204:3992 205:2007 206:2444 207:2819 208:2943
209:3628 210:2817 211:1206 212:1329 213:1547 214:424
215:43 216:4168 217:1216 218:393 219:453 220:1015
221:407 222:310
End of report
