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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 11 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/2007/08/11
Analysis Summary
----------------
BGP routing table entries examined: 233191
Prefixes after maximum aggregation: 120295
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 110929
Total ASes present in the Internet Routing Table: 25956
Prefixes per ASN: 8.98
Origin-only ASes present in the Internet Routing Table: 22470
Origin ASes announcing only one prefix: 11018
Transit ASes present in the Internet Routing Table: 3486
Transit-only ASes present in the Internet Routing Table: 86
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 31
Max AS path prepend of ASN (16327) 21
Prefixes from unregistered ASNs in the Routing Table: 39
Unregistered ASNs in the Routing Table: 19
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: 1749575876
Equivalent to 104 /8s, 72 /16s and 104 /24s
Percentage of available address space announced: 47.2
Percentage of allocated address space announced: 61.8
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 123935
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55008
Total APNIC prefixes after maximum aggregation: 20884
APNIC Deaggregation factor: 2.63
Prefixes being announced from the APNIC address blocks: 51833
Unique aggregates announced from the APNIC address blocks: 22145
APNIC Region origin ASes present in the Internet Routing Table: 3029
APNIC Prefixes per ASN: 17.11
APNIC Region origin ASes announcing only one prefix: 820
APNIC Region transit ASes present in the Internet Routing Table: 474
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 311149236
Equivalent to 18 /8s, 139 /16s and 194 /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: 109844
Total ARIN prefixes after maximum aggregation: 63120
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 80593
Unique aggregates announced from the ARIN address blocks: 31819
ARIN Region origin ASes present in the Internet Routing Table: 11740
ARIN Prefixes per ASN: 6.86
ARIN Region origin ASes announcing only one prefix: 4512
ARIN Region transit ASes present in the Internet Routing Table: 1150
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 341628512
Equivalent to 20 /8s, 92 /16s and 214 /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: 49322
Total RIPE prefixes after maximum aggregation: 30843
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 45746
Unique aggregates announced from the RIPE address blocks: 29152
RIPE Region origin ASes present in the Internet Routing Table: 10053
RIPE Prefixes per ASN: 4.55
RIPE Region origin ASes announcing only one prefix: 5345
RIPE Region transit ASes present in the Internet Routing Table: 1636
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 324002432
Equivalent to 19 /8s, 79 /16s and 226 /24s
Percentage of available RIPE address space announced: 74.3
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
40960-44031
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: 16186
Total LACNIC prefixes after maximum aggregation: 4369
LACNIC Deaggregation factor: 3.70
Prefixes being announced from the LACNIC address blocks: 14226
Unique aggregates announced from the LACNIC address blocks: 7660
LACNIC Region origin ASes present in the Internet Routing Table: 841
LACNIC Prefixes per ASN: 16.92
LACNIC Region origin ASes announcing only one prefix: 272
LACNIC Region transit ASes present in the Internet Routing Table: 142
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 31
Number of LACNIC addresses announced to Internet: 41878272
Equivalent to 2 /8s, 127 /16s and 3 /24s
Percentage of available LACNIC address space announced: 62.4
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: 2789
Total AfriNIC prefixes after maximum aggregation: 1067
AfriNIC Deaggregation factor: 2.61
Prefixes being announced from the AfriNIC address blocks: 2301
Unique aggregates announced from the AfriNIC address blocks: 1355
AfriNIC Region origin ASes present in the Internet Routing Table: 206
AfriNIC Prefixes per ASN: 11.17
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6399744
Equivalent to 0 /8s, 97 /16s and 167 /24s
Percentage of available AfriNIC address space announced: 19.1
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 1343 11126 287 CHINANET-BACKBONE
4755 1319 382 70 Videsh Sanchar Nigam Ltd. Aut
9583 1119 80 400 Sify Limited
9498 995 532 69 BHARTI BT INTERNET LTD.
23577 895 33 768 Korea Telecom (ATM-MPLS)
9394 840 1712 7 CHINA RAILWAY Internet(CRNET)
4766 798 5440 316 Korea Telecom (KIX)
17488 742 48 59 Hathway IP Over Cable Interne
7545 703 150 117 TPG Internet Pty Ltd
1221 597 1951 440 Telstra Pty Ltd
18101 581 117 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 477 767 109 CNCGROUP IP network: China169
7474 474 217 272 SingTel Optus Pty Ltd
9443 473 122 78 Primus Telecommunications
9942 440 77 113 COMindico Australia
4802 420 112 151 Wantree Development
17974 361 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1132 1079 184 Telenor Internet Access
702 502 1906 403 UUNET - Commercial IP service
5089 369 1658 54 NTL Group Limited
24863 361 56 40 LINKdotNET AS number
9116 348 168 26 Goldenlines main autonomous s
8551 318 315 43 Bezeq International
3301 313 1456 293 TeliaNet Sweden
3320 312 6035 258 Deutsche Telekom AG
6746 287 130 263 Dynamic Network Technologies,
680 266 2061 257 DFN-IP service G-WiN
8220 261 442 243 COLT Telecommunications
3215 256 2392 97 France Telecom Transpac
8708 253 420 242 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
3300 200 172 94 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 1483 6083 993 AT&T WorldNet Services
4323 1323 1021 369 Time Warner Telecom
2386 1205 614 742 AT&T Data Communications Serv
6478 1115 322 132 AT&T Worldnet Services
11492 1113 108 38 Cable One
6197 1027 690 518 BellSouth Network Solutions,
18566 1018 288 9 Covad Communications
174 967 6777 856 Cogent Communications
701 930 6559 709 UUNET Technologies, Inc.
7011 905 259 544 Citizens Utilities
20115 807 742 431 Charter Communications
1239 806 2741 571 Sprint
19262 762 2704 181 Verizon Global Networks
22773 753 2148 49 Cox Communications, Inc.
209 731 3857 574 Qwest
577 704 797 206 Bell Advanced Communications
5668 632 171 24 CenturyTel Internet Holdings,
852 590 1094 367 Telus Advanced Communications
6517 578 161 38 Yipes Communications, Inc.
855 575 254 73 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1319 1249 Videsh Sanchar Nigam Ltd. Aut
11492 1113 1075 Cable One
4134 1343 1056 CHINANET-BACKBONE
18566 1018 1009 Covad Communications
6478 1115 983 AT&T Worldnet Services
4323 1323 954 Time Warner Telecom
2119 1132 948 Telenor Internet Access
9498 995 926 BHARTI BT INTERNET LTD.
9394 840 833 CHINA RAILWAY Internet(CRNET)
9583 1119 719 Sify Limited
8151 917 706 UniNet S.A. de C.V.
22773 753 704 Cox Communications, Inc.
17488 742 683 Hathway IP Over Cable Interne
5668 632 608 CenturyTel Internet Holdings,
7545 703 586 TPG Internet Pty Ltd
19262 762 581 Verizon Global Networks
18101 581 542 Reliance Infocom Ltd Internet
6517 578 540 Yipes Communications, Inc.
15270 568 530 PaeTec.net -a division of Pae
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.
65108 PRIVATE 84.234.80.0/20 43379 *
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
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 2854 RoSprint AS (Global One Russi
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 /12:133
/13:262 /14:473 /15:920 /16:9619 /17:4133 /18:6644
/19:14038 /20:16580 /21:15172 /22:19435 /23:20473 /24:121486
/25:1016 /26:1351 /27:576 /28:257 /29:176 /30:287
/31:0 /32:82
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1114 1115 AT&T Worldnet Services
11492 1105 1113 Cable One
2119 1012 1132 Telenor Internet Access
18566 1000 1018 Covad Communications
9583 963 1119 Sify Limited
2386 898 1205 AT&T Data Communications Serv
23577 886 895 Korea Telecom (ATM-MPLS)
7018 811 1483 AT&T WorldNet Services
7011 803 905 Citizens Utilities
6197 783 1027 BellSouth Network Solutions,
4755 708 1319 Videsh Sanchar Nigam Ltd. Aut
9498 663 995 BHARTI BT INTERNET LTD.
4766 595 798 Korea Telecom (KIX)
17488 565 742 Hathway IP Over Cable Interne
19916 563 568 OLM LLC
4323 557 1323 Time Warner Telecom
6517 542 578 Yipes Communications, Inc.
15270 532 568 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
5668 497 632 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:85 12:1819 15:19 16:3
17:3 18:12 20:37 24:949 25:1 32:174
33:3 38:346 40:60 41:293 43:6 44:2
47:4 52:4 55:3 56:3 57:48 58:478
59:391 60:345 61:1008 62:980 63:2002 64:3182
65:2397 66:3344 67:768 68:628 69:1950 70:455
71:115 72:1386 73:2 74:617 75:297 76:100
77:277 78:33 80:837 81:825 82:724 83:383
84:578 85:851 86:318 87:477 88:277 89:881
90:22 91:461 97:6 116:280 117:124 121:261
122:573 123:151 124:841 125:979 128:291 129:213
130:139 131:363 132:55 133:9 134:199 135:34
136:188 137:84 138:149 139:122 140:494 141:171
142:397 143:253 144:300 145:46 146:324 147:120
148:410 149:144 150:111 151:159 152:93 153:122
154:4 155:260 156:156 157:213 158:157 159:173
160:108 161:97 162:186 163:180 164:473 165:395
166:271 167:295 168:509 169:121 170:412 171:22
172:2 189:71 190:928 192:5816 193:3983 194:3201
195:2346 196:1025 198:3903 199:3276 200:5072 201:1149
202:7474 203:7641 204:3976 205:1985 206:2479 207:2937
208:2775 209:3551 210:2434 211:1016 212:1335 213:1521
214:413 215:41 216:4002 217:1167 218:371 219:388
220:1016 221:416 222:267
End of report
