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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 22 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/2007/08/22
Analysis Summary
----------------
BGP routing table entries examined: 234890
Prefixes after maximum aggregation: 121068
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 110503
Total ASes present in the Internet Routing Table: 26052
Prefixes per ASN: 9.02
Origin-only ASes present in the Internet Routing Table: 22633
Origin ASes announcing only one prefix: 11004
Transit ASes present in the Internet Routing Table: 3419
Transit-only ASes present in the Internet Routing Table: 84
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 23
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 29
Unregistered ASNs in the Routing Table: 18
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: 1754233924
Equivalent to 104 /8s, 143 /16s and 124 /24s
Percentage of available address space announced: 47.3
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 125432
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55416
Total APNIC prefixes after maximum aggregation: 20681
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 52220
Unique aggregates announced from the APNIC address blocks: 21212
APNIC Region origin ASes present in the Internet Routing Table: 3039
APNIC Prefixes per ASN: 17.18
APNIC Region origin ASes announcing only one prefix: 810
APNIC Region transit ASes present in the Internet Routing Table: 471
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 312738740
Equivalent to 18 /8s, 164 /16s and 3 /24s
Percentage of available APNIC address space announced: 77.5
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: 110399
Total ARIN prefixes after maximum aggregation: 63337
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 81003
Unique aggregates announced from the ARIN address blocks: 31922
ARIN Region origin ASes present in the Internet Routing Table: 11765
ARIN Prefixes per ASN: 6.89
ARIN Region origin ASes announcing only one prefix: 4499
ARIN Region transit ASes present in the Internet Routing Table: 1120
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 342645344
Equivalent to 20 /8s, 108 /16s and 90 /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: 49940
Total RIPE prefixes after maximum aggregation: 31562
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 46362
Unique aggregates announced from the RIPE address blocks: 29418
RIPE Region origin ASes present in the Internet Routing Table: 10111
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 5356
RIPE Region transit ASes present in the Internet Routing Table: 1608
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 324660736
Equivalent to 19 /8s, 89 /16s and 238 /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: 16298
Total LACNIC prefixes after maximum aggregation: 4416
LACNIC Deaggregation factor: 3.69
Prefixes being announced from the LACNIC address blocks: 14430
Unique aggregates announced from the LACNIC address blocks: 7754
LACNIC Region origin ASes present in the Internet Routing Table: 847
LACNIC Prefixes per ASN: 17.04
LACNIC Region origin ASes announcing only one prefix: 271
LACNIC Region transit ASes present in the Internet Routing Table: 151
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 42011136
Equivalent to 2 /8s, 129 /16s and 10 /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: 2803
Total AfriNIC prefixes after maximum aggregation: 1060
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 2307
Unique aggregates announced from the AfriNIC address blocks: 1325
AfriNIC Region origin ASes present in the Internet Routing Table: 205
AfriNIC Prefixes per ASN: 11.25
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7430400
Equivalent to 0 /8s, 113 /16s and 97 /24s
Percentage of available AfriNIC address space announced: 22.1
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 1347 11142 288 CHINANET-BACKBONE
4755 1331 382 71 Videsh Sanchar Nigam Ltd. Aut
9498 1000 533 70 BHARTI BT INTERNET LTD.
9583 977 108 17 Sify Limited
23577 926 34 796 Korea Telecom (ATM-MPLS)
9394 832 1712 7 CHINA RAILWAY Internet(CRNET)
4766 794 5440 315 Korea Telecom (KIX)
17488 764 50 47 Hathway IP Over Cable Interne
7545 737 159 119 TPG Internet Pty Ltd
1221 595 1951 438 Telstra Pty Ltd
18101 592 119 48 Reliance Infocom Ltd Internet
4812 545 983 99 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 503 10919 64 Softbank BB Corp.
4808 488 785 111 CNCGROUP IP network: China169
9443 474 122 78 Primus Telecommunications
7474 454 216 268 SingTel Optus Pty Ltd
4538 441 2974 34 China Education and Research
9942 441 77 114 COMindico Australia
4802 427 116 152 Wantree Development
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1127 933 684 Telenor Internet Access
702 503 1922 404 UUNET - Commercial IP service
5089 369 1658 54 NTL Group Limited
24863 364 57 38 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 314 1456 293 TeliaNet Sweden
1273 290 306 106 Cable & Wireless Deutschland
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.
3215 258 2424 98 France Telecom Transpac
8220 257 444 240 COLT Telecommunications
3352 226 1868 38 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 209 1441 24 TTnet Autonomous System
1257 205 1195 170 SWIPnet Swedish IP Network
3300 202 172 96 AUCS Communications Services
3292 195 1379 175 TDC Tele Danmark
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1499 10182 1005 AT&T WorldNet Services
4323 1321 1007 372 Time Warner Telecom
2386 1215 617 750 AT&T Data Communications Serv
11492 1126 109 34 Cable One
6478 1118 322 133 AT&T Worldnet Services
6197 1026 626 522 BellSouth Network Solutions,
18566 1020 288 9 Covad Communications
174 970 6780 860 Cogent Communications
701 932 6575 712 UUNET Technologies, Inc.
7011 913 261 550 Citizens Utilities
20115 805 741 430 Charter Communications
1239 783 2712 554 Sprint
19262 765 2727 184 Verizon Global Networks
22773 754 2148 49 Cox Communications, Inc.
209 734 3819 580 Qwest
577 702 813 203 Bell Advanced Communications
5668 628 171 24 CenturyTel Internet Holdings,
852 593 1096 365 Telus Advanced Communications
6517 581 163 36 Yipes Communications, Inc.
6198 575 716 256 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1331 1260 Videsh Sanchar Nigam Ltd. Aut
11492 1126 1092 Cable One
4134 1347 1059 CHINANET-BACKBONE
18566 1020 1011 Covad Communications
6478 1118 985 AT&T Worldnet Services
9583 977 960 Sify Limited
4323 1321 949 Time Warner Telecom
9498 1000 930 BHARTI BT INTERNET LTD.
9394 832 825 CHINA RAILWAY Internet(CRNET)
17488 764 717 Hathway IP Over Cable Interne
22773 754 705 Cox Communications, Inc.
8151 907 703 UniNet S.A. de C.V.
7545 737 618 TPG Internet Pty Ltd
5668 628 604 CenturyTel Internet Holdings,
19262 765 581 Verizon Global Networks
6517 581 545 Yipes Communications, Inc.
18101 592 544 Reliance Infocom Ltd Internet
15270 567 529 PaeTec.net -a division of Pae
19916 568 517 OLM LLC
4668 516 506 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
/13:263 /14:473 /15:933 /16:9649 /17:4149 /18:6708
/19:14067 /20:16691 /21:15387 /22:19529 /23:20600 /24:122370
/25:1062 /26:1376 /27:589 /28:262 /29:186 /30:286
/31:5 /32:93
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1118 1126 Cable One
6478 1117 1118 AT&T Worldnet Services
2119 1015 1127 Telenor Internet Access
18566 1002 1020 Covad Communications
23577 917 926 Korea Telecom (ATM-MPLS)
2386 909 1215 AT&T Data Communications Serv
9583 847 977 Sify Limited
7018 824 1499 AT&T WorldNet Services
7011 810 913 Citizens Utilities
6197 784 1026 BellSouth Network Solutions,
4755 716 1331 Videsh Sanchar Nigam Ltd. Aut
9498 669 1000 BHARTI BT INTERNET LTD.
4766 594 794 Korea Telecom (KIX)
17488 587 764 Hathway IP Over Cable Interne
19916 563 568 OLM LLC
4323 553 1321 Time Warner Telecom
6517 548 581 Yipes Communications, Inc.
15270 531 567 PaeTec.net -a division of Pae
4668 506 516 LG-EDS Systems Inc.
18101 499 592 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:88 12:1817 13:2 15:18
16:3 17:3 18:13 20:37 24:982 25:1
32:173 33:3 38:346 40:60 41:300 43:6
44:2 47:4 52:4 55:3 56:3 57:46
58:481 59:389 60:362 61:1025 62:1006 63:2008
64:3197 65:2422 66:3422 67:782 68:650 69:1963
70:452 71:116 72:1388 73:2 74:631 75:301
76:127 77:288 78:41 80:849 81:831 82:720
83:391 84:603 85:870 86:342 87:488 88:287
89:959 90:24 91:492 97:5 116:288 117:137
121:265 122:598 123:156 124:828 125:991 126:1
128:277 129:215 130:140 131:364 132:56 133:9
134:198 135:34 136:189 137:81 138:148 139:122
140:495 141:173 142:397 143:255 144:300 145:46
146:326 147:123 148:405 149:144 150:112 151:159
152:92 153:122 154:4 155:263 156:161 157:215
158:158 159:171 160:113 161:99 162:187 163:181
164:484 165:396 166:285 167:296 168:512 169:121
170:388 171:22 172:2 189:69 190:975 192:5805
193:4004 194:3258 195:2377 196:1028 198:3898 199:3279
200:5113 201:1158 202:7404 203:7670 204:3958 205:1989
206:2474 207:2924 208:2797 209:3506 210:2405 211:1139
212:1357 213:1536 214:417 215:41 216:4018 217:1179
218:381 219:386 220:1036 221:394 222:254
End of report
