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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 21 Aug, 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/2007/08/21
Analysis Summary
----------------
BGP routing table entries examined: 234539
Prefixes after maximum aggregation: 120825
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 111533
Total ASes present in the Internet Routing Table: 26029
Prefixes per ASN: 9.01
Origin-only ASes present in the Internet Routing Table: 22607
Origin ASes announcing only one prefix: 11004
Transit ASes present in the Internet Routing Table: 3422
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 26
Max AS path prepend of ASN (43329) 20
Prefixes from unregistered ASNs in the Routing Table: 33
Unregistered ASNs in the Routing Table: 17
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1753154628
Equivalent to 104 /8s, 127 /16s and 4 /24s
Percentage of available address space announced: 47.3
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 125067
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55366
Total APNIC prefixes after maximum aggregation: 21066
APNIC Deaggregation factor: 2.63
Prefixes being announced from the APNIC address blocks: 52156
Unique aggregates announced from the APNIC address blocks: 22278
APNIC Region origin ASes present in the Internet Routing Table: 3043
APNIC Prefixes per ASN: 17.14
APNIC Region origin ASes announcing only one prefix: 816
APNIC Region transit ASes present in the Internet Routing Table: 464
Average APNIC Region AS path length visible: 5.7
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 311991732
Equivalent to 18 /8s, 152 /16s and 157 /24s
Percentage of available APNIC address space announced: 77.3
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: 110297
Total ARIN prefixes after maximum aggregation: 63248
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 80943
Unique aggregates announced from the ARIN address blocks: 31908
ARIN Region origin ASes present in the Internet Routing Table: 11754
ARIN Prefixes per ASN: 6.89
ARIN Region origin ASes announcing only one prefix: 4497
ARIN Region transit ASes present in the Internet Routing Table: 1108
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 342534240
Equivalent to 20 /8s, 106 /16s and 168 /24s
Percentage of available ARIN address space announced: 75.6
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: 49728
Total RIPE prefixes after maximum aggregation: 31038
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 46183
Unique aggregates announced from the RIPE address blocks: 29372
RIPE Region origin ASes present in the Internet Routing Table: 10103
RIPE Prefixes per ASN: 4.57
RIPE Region origin ASes announcing only one prefix: 5347
RIPE Region transit ASes present in the Internet Routing Table: 1630
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 324503552
Equivalent to 19 /8s, 87 /16s and 136 /24s
Percentage of available RIPE address space announced: 74.4
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
40960-44031
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: 16300
Total LACNIC prefixes after maximum aggregation: 4392
LACNIC Deaggregation factor: 3.71
Prefixes being announced from the LACNIC address blocks: 14430
Unique aggregates announced from the LACNIC address blocks: 7737
LACNIC Region origin ASes present in the Internet Routing Table: 849
LACNIC Prefixes per ASN: 17.00
LACNIC Region origin ASes announcing only one prefix: 277
LACNIC Region transit ASes present in the Internet Routing Table: 142
Average LACNIC Region AS path length visible: 5.6
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 42013696
Equivalent to 2 /8s, 129 /16s and 20 /24s
Percentage of available LACNIC address space announced: 62.6
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2810
Total AfriNIC prefixes after maximum aggregation: 1069
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 2320
Unique aggregates announced from the AfriNIC address blocks: 1355
AfriNIC Region origin ASes present in the Internet Routing Table: 204
AfriNIC Prefixes per ASN: 11.37
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 5.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 7385344
Equivalent to 0 /8s, 112 /16s and 177 /24s
Percentage of available AfriNIC address space announced: 22.0
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
4134 1346 11140 287 CHINANET-BACKBONE
4755 1331 382 70 Videsh Sanchar Nigam Ltd. Aut
9583 1122 80 400 Sify Limited
9498 999 533 68 BHARTI BT INTERNET LTD.
23577 927 34 797 Korea Telecom (ATM-MPLS)
9394 831 1712 7 CHINA RAILWAY Internet(CRNET)
4766 794 5440 315 Korea Telecom (KIX)
17488 764 50 47 Hathway IP Over Cable Interne
7545 697 150 113 TPG Internet Pty Ltd
1221 595 1951 439 Telstra Pty Ltd
18101 590 118 46 Reliance Infocom Ltd Internet
4812 543 979 98 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 503 10919 64 Softbank BB Corp.
4808 478 769 109 CNCGROUP IP network: China169
9443 474 122 78 Primus Telecommunications
7474 453 216 267 SingTel Optus Pty Ltd
9942 441 77 114 COMindico Australia
4802 427 116 152 Wantree Development
17974 364 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1134 1079 183 Telenor Internet Access
702 503 1922 404 UUNET - Commercial IP service
5089 369 1658 54 NTL Group Limited
24863 363 57 40 LINKdotNET AS number
9116 341 168 26 Goldenlines main autonomous s
8551 320 315 43 Bezeq International
3320 315 6035 261 Deutsche Telekom AG
3301 313 1456 293 TeliaNet Sweden
6746 288 130 264 Dynamic Network Technologies,
680 265 2061 256 DFN-IP service G-WiN
8708 260 420 241 Romania Data Systems S.A.
8220 257 441 240 COLT Telecommunications
3215 256 2392 97 France Telecom Transpac
3352 226 1868 38 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 210 1441 24 TTnet Autonomous System
1257 204 1195 169 SWIPnet Swedish IP Network
3300 201 172 96 AUCS Communications Services
3292 195 1379 175 TDC Tele Danmark
2856 193 2318 153 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1475 6084 985 AT&T WorldNet Services
4323 1331 1007 372 Time Warner Telecom
2386 1214 617 749 AT&T Data Communications Serv
11492 1129 109 34 Cable One
6478 1117 322 138 AT&T Worldnet Services
6197 1031 718 509 BellSouth Network Solutions,
18566 1019 288 9 Covad Communications
174 970 6780 860 Cogent Communications
701 942 6578 721 UUNET Technologies, Inc.
7011 912 261 549 Citizens Utilities
1239 800 2729 568 Sprint
20115 799 737 433 Charter Communications
19262 765 2727 184 Verizon Global Networks
22773 754 2148 49 Cox Communications, Inc.
209 738 3835 584 Qwest
577 701 813 203 Bell Advanced Communications
5668 628 171 24 CenturyTel Internet Holdings,
852 593 1096 365 Telus Advanced Communications
6517 585 163 37 Yipes Communications, Inc.
855 570 254 73 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1331 1261 Videsh Sanchar Nigam Ltd. Aut
11492 1129 1095 Cable One
4134 1346 1059 CHINANET-BACKBONE
18566 1019 1010 Covad Communications
6478 1117 979 AT&T Worldnet Services
4323 1331 959 Time Warner Telecom
2119 1134 951 Telenor Internet Access
9498 999 931 BHARTI BT INTERNET LTD.
9394 831 824 CHINA RAILWAY Internet(CRNET)
9583 1122 722 Sify Limited
17488 764 717 Hathway IP Over Cable Interne
8151 913 712 UniNet S.A. de C.V.
22773 754 705 Cox Communications, Inc.
5668 628 604 CenturyTel Internet Holdings,
7545 697 584 TPG Internet Pty Ltd
19262 765 581 Verizon Global Networks
6517 585 548 Yipes Communications, Inc.
18101 590 544 Reliance Infocom Ltd Internet
15270 567 529 PaeTec.net -a division of Pae
6197 1031 522 BellSouth Network Solutions,
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64513 PRIVATE 63.171.234.0/26 1803 SPRINT
64513 PRIVATE 63.171.234.64/26 1803 SPRINT
64513 PRIVATE 63.171.234.128/26 1803 SPRINT
64513 PRIVATE 63.171.234.192/26 1803 SPRINT
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In
64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In
64526 PRIVATE 195.47.13.96/28 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
64526 PRIVATE 195.47.39.128/26 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
64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In
65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
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
192.0.2.0/24 812 Rogers WAVE
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
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 /8:18 /9:9 /10:15 /11:36 /12:134
/13:262 /14:473 /15:931 /16:9639 /17:4140 /18:6697
/19:14049 /20:16621 /21:15323 /22:19513 /23:20570 /24:122251
/25:1063 /26:1383 /27:590 /28:262 /29:186 /30:279
/31:5 /32:90
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1121 1129 Cable One
6478 1116 1117 AT&T Worldnet Services
2119 1015 1134 Telenor Internet Access
18566 1001 1019 Covad Communications
9583 966 1122 Sify Limited
23577 918 927 Korea Telecom (ATM-MPLS)
2386 908 1214 AT&T Data Communications Serv
7018 816 1475 AT&T WorldNet Services
7011 809 912 Citizens Utilities
6197 784 1031 BellSouth Network Solutions,
4755 714 1331 Videsh Sanchar Nigam Ltd. Aut
9498 667 999 BHARTI BT INTERNET LTD.
4766 594 794 Korea Telecom (KIX)
17488 587 764 Hathway IP Over Cable Interne
19916 563 568 OLM LLC
4323 561 1331 Time Warner Telecom
6517 548 585 Yipes Communications, Inc.
15270 531 567 PaeTec.net -a division of Pae
4668 506 516 LG-EDS Systems Inc.
18101 499 590 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:88 12:1806 13:1 15:19
16:3 17:3 18:13 20:37 24:974 25:1
32:173 33:3 38:346 40:60 41:305 43:6
44:2 47:4 52:4 55:3 56:3 57:45
58:472 59:388 60:362 61:1024 62:997 63:2011
64:3192 65:2421 66:3417 67:781 68:650 69:1969
70:451 71:115 72:1384 73:2 74:629 75:293
76:127 77:257 78:38 80:850 81:838 82:714
83:391 84:603 85:871 86:343 87:485 88:286
89:970 90:22 91:485 97:5 116:289 117:135
121:263 122:597 123:155 124:847 125:983 126:1
128:274 129:215 130:140 131:363 132:56 133:9
134:198 135:34 136:189 137:85 138:149 139:121
140:492 141:172 142:397 143:256 144:303 145:46
146:326 147:123 148:403 149:144 150:111 151:159
152:91 153:122 154:4 155:262 156:161 157:214
158:158 159:170 160:111 161:99 162:187 163:181
164:483 165:393 166:275 167:294 168:511 169:121
170:394 171:22 172:2 189:69 190:980 192:5804
193:3999 194:3215 195:2347 196:1031 198:3898 199:3279
200:5110 201:1160 202:7446 203:7693 204:3984 205:1989
206:2476 207:2927 208:2790 209:3499 210:2462 211:1031
212:1333 213:1531 214:417 215:41 216:4020 217:1197
218:378 219:386 220:1033 221:419 222:266
End of report
