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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 09 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/2007/08/09
Analysis Summary
----------------
BGP routing table entries examined: 232955
Prefixes after maximum aggregation: 120796
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 110778
Total ASes present in the Internet Routing Table: 25932
Prefixes per ASN: 8.98
Origin-only ASes present in the Internet Routing Table: 22582
Origin ASes announcing only one prefix: 10997
Transit ASes present in the Internet Routing Table: 3350
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 23
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 41
Unregistered ASNs in the Routing Table: 20
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: 1747506308
Equivalent to 104 /8s, 40 /16s and 212 /24s
Percentage of available address space announced: 47.1
Percentage of allocated address space announced: 61.7
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 123805
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55062
Total APNIC prefixes after maximum aggregation: 20969
APNIC Deaggregation factor: 2.63
Prefixes being announced from the APNIC address blocks: 51878
Unique aggregates announced from the APNIC address blocks: 22122
APNIC Region origin ASes present in the Internet Routing Table: 3036
APNIC Prefixes per ASN: 17.09
APNIC Region origin ASes announcing only one prefix: 819
APNIC Region transit ASes present in the Internet Routing Table: 464
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 311081140
Equivalent to 18 /8s, 138 /16s and 184 /24s
Percentage of available APNIC address space announced: 77.1
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, 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: 109688
Total ARIN prefixes after maximum aggregation: 63051
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 80494
Unique aggregates announced from the ARIN address blocks: 31630
ARIN Region origin ASes present in the Internet Routing Table: 11743
ARIN Prefixes per ASN: 6.85
ARIN Region origin ASes announcing only one prefix: 4515
ARIN Region transit ASes present in the Internet Routing Table: 1094
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 341734752
Equivalent to 20 /8s, 94 /16s and 117 /24s
Percentage of available ARIN address space announced: 75.4
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: 49303
Total RIPE prefixes after maximum aggregation: 31332
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 45739
Unique aggregates announced from the RIPE address blocks: 29111
RIPE Region origin ASes present in the Internet Routing Table: 10045
RIPE Prefixes per ASN: 4.55
RIPE Region origin ASes announcing only one prefix: 5333
RIPE Region transit ASes present in the Internet Routing Table: 1585
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 322242368
Equivalent to 19 /8s, 53 /16s and 7 /24s
Percentage of available RIPE address space announced: 73.9
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: 16154
Total LACNIC prefixes after maximum aggregation: 4388
LACNIC Deaggregation factor: 3.68
Prefixes being announced from the LACNIC address blocks: 14191
Unique aggregates announced from the LACNIC address blocks: 7842
LACNIC Region origin ASes present in the Internet Routing Table: 840
LACNIC Prefixes per ASN: 16.89
LACNIC Region origin ASes announcing only one prefix: 269
LACNIC Region transit ASes present in the Internet Routing Table: 142
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 41691392
Equivalent to 2 /8s, 124 /16s and 41 /24s
Percentage of available LACNIC address space announced: 62.1
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: 2705
Total AfriNIC prefixes after maximum aggregation: 1044
AfriNIC Deaggregation factor: 2.59
Prefixes being announced from the AfriNIC address blocks: 2228
Unique aggregates announced from the AfriNIC address blocks: 1294
AfriNIC Region origin ASes present in the Internet Routing Table: 196
AfriNIC Prefixes per ASN: 11.37
AfriNIC Region origin ASes announcing only one prefix: 61
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 6306816
Equivalent to 0 /8s, 96 /16s and 60 /24s
Percentage of available AfriNIC address space announced: 18.8
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 1328 11126 287 CHINANET-BACKBONE
4755 1315 382 70 Videsh Sanchar Nigam Ltd. Aut
9583 1120 80 399 Sify Limited
9498 1012 533 69 BHARTI BT INTERNET LTD.
23577 926 34 796 Korea Telecom (ATM-MPLS)
9394 839 1712 7 CHINA RAILWAY Internet(CRNET)
4766 801 5442 316 Korea Telecom (KIX)
17488 742 48 59 Hathway IP Over Cable Interne
7545 696 150 114 TPG Internet Pty Ltd
1221 597 1951 441 Telstra Pty Ltd
18101 578 117 39 Reliance Infocom Ltd Internet
4812 529 915 95 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4808 476 767 109 CNCGROUP IP network: China169
7474 475 217 273 SingTel Optus Pty Ltd
9443 474 122 78 Primus Telecommunications
9942 439 76 112 COMindico Australia
4802 419 112 152 Wantree Development
9829 363 258 15 BSNL National Internet Backbo
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1126 949 688 Telenor Internet Access
702 503 1922 404 UUNET - Commercial IP service
5089 367 1658 53 NTL Group Limited
24863 362 57 41 LINKdotNET AS number
9116 349 168 26 Goldenlines main autonomous s
8551 319 315 43 Bezeq International
3301 313 1456 293 TeliaNet Sweden
3320 313 6035 259 Deutsche Telekom AG
6746 287 130 263 Dynamic Network Technologies,
680 265 2060 256 DFN-IP service G-WiN
8220 261 445 243 COLT Telecommunications
3215 255 2376 96 France Telecom Transpac
8708 252 420 241 Romania Data Systems S.A.
3352 224 1864 41 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 210 1441 24 TTnet Autonomous System
1257 207 1195 172 SWIPnet Swedish IP Network
3292 195 1379 175 TDC Tele Danmark
2856 193 2318 153 BTnet UK Regional network
3300 193 172 93 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1488 10179 1001 AT&T WorldNet Services
4323 1322 1020 370 Time Warner Telecom
2386 1199 614 741 AT&T Data Communications Serv
6478 1112 321 130 AT&T Worldnet Services
11492 1109 109 19 Cable One
6197 1028 717 508 BellSouth Network Solutions,
18566 1018 288 9 Covad Communications
174 967 6777 856 Cogent Communications
701 940 6562 715 UUNET Technologies, Inc.
7011 907 259 545 Citizens Utilities
20115 807 742 431 Charter Communications
1239 803 2732 571 Sprint
19262 763 2720 182 Verizon Global Networks
22773 753 2148 49 Cox Communications, Inc.
209 749 3869 593 Qwest
577 705 813 207 Bell Advanced Communications
5668 630 171 23 CenturyTel Internet Holdings,
852 589 1093 366 Telus Advanced Communications
6517 584 161 38 Yipes Communications, Inc.
855 572 190 69 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1315 1245 Videsh Sanchar Nigam Ltd. Aut
11492 1109 1090 Cable One
4134 1328 1041 CHINANET-BACKBONE
18566 1018 1009 Covad Communications
6478 1112 982 AT&T Worldnet Services
4323 1322 952 Time Warner Telecom
9498 1012 943 BHARTI BT INTERNET LTD.
9394 839 832 CHINA RAILWAY Internet(CRNET)
9583 1120 721 Sify Limited
22773 753 704 Cox Communications, Inc.
8151 910 702 UniNet S.A. de C.V.
17488 742 683 Hathway IP Over Cable Interne
5668 630 607 CenturyTel Internet Holdings,
7545 696 582 TPG Internet Pty Ltd
19262 763 581 Verizon Global Networks
6517 584 546 Yipes Communications, Inc.
18101 578 539 Reliance Infocom Ltd Internet
15270 566 528 PaeTec.net -a division of Pae
6197 1028 520 BellSouth Network Solutions,
19916 568 517 OLM LLC
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 64.71.19.0/24 33544 WiLine Networks Inc.
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
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
64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.128/27 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
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
24410 UNALLOCATED 203.119.30.0/24 4134 CHINANET-BACKBONE
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
65012 PRIVATE 212.2.31.188/30 8190 VIATEL
65039 PRIVATE 212.2.31.208/30 8190 VIATEL
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 /11:37 /12:133
/13:262 /14:474 /15:918 /16:9603 /17:4132 /18:6640
/19:13967 /20:16556 /21:15161 /22:19380 /23:20411 /24:121420
/25:1057 /26:1379 /27:575 /28:257 /29:177 /30:292
/31:0 /32:82
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1111 1112 AT&T Worldnet Services
11492 1100 1109 Cable One
2119 1012 1126 Telenor Internet Access
18566 1000 1018 Covad Communications
9583 963 1120 Sify Limited
23577 917 926 Korea Telecom (ATM-MPLS)
2386 893 1199 AT&T Data Communications Serv
7018 816 1488 AT&T WorldNet Services
7011 805 907 Citizens Utilities
6197 782 1028 BellSouth Network Solutions,
4755 704 1315 Videsh Sanchar Nigam Ltd. Aut
9498 679 1012 BHARTI BT INTERNET LTD.
4766 595 801 Korea Telecom (KIX)
17488 565 742 Hathway IP Over Cable Interne
19916 563 568 OLM LLC
4323 555 1322 Time Warner Telecom
6517 548 584 Yipes Communications, Inc.
15270 530 566 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
5668 495 630 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:84 12:1813 15:19 16:3
17:3 18:12 20:37 24:948 25:1 32:174
33:3 38:343 40:60 41:243 43:6 44:2
47:4 52:4 55:3 56:3 57:48 58:474
59:386 60:345 61:1006 62:1005 63:2001 64:3198
65:2397 66:3343 67:765 68:632 69:1941 70:455
71:114 72:1382 73:2 74:615 75:292 76:94
77:278 78:33 80:836 81:828 82:732 83:383
84:587 85:864 86:344 87:452 88:275 89:961
90:23 91:458 97:6 116:282 117:118 121:256
122:580 123:149 124:841 125:975 128:293 129:213
130:140 131:364 132:55 133:9 134:199 135:34
136:189 137:84 138:149 139:122 140:499 141:172
142:398 143:243 144:288 145:46 146:325 147:120
148:406 149:145 150:116 151:159 152:93 153:122
154:4 155:257 156:156 157:212 158:158 159:163
160:108 161:98 162:184 163:181 164:475 165:395
166:266 167:293 168:506 169:121 170:411 171:22
172:1 189:70 190:928 192:5812 193:3980 194:3215
195:2348 196:1013 198:3902 199:3279 200:5059 201:1153
202:7483 203:7647 204:3981 205:1973 206:2474 207:2938
208:2762 209:3520 210:2446 211:1016 212:1302 213:1506
214:417 215:40 216:4003 217:1157 218:370 219:391
220:1029 221:415 222:267
End of report
