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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 02 Oct, 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/2007/10/02
Analysis Summary
----------------
BGP routing table entries examined: 240176
Prefixes after maximum aggregation: 122071
Deaggregation factor: 1.97
Unique aggregates announced to Internet: 113449
Total ASes present in the Internet Routing Table: 26401
Prefixes per ASN: 9.10
Origin-only ASes present in the Internet Routing Table: 22828
Origin ASes announcing only one prefix: 11136
Transit ASes present in the Internet Routing Table: 3573
Transit-only ASes present in the Internet Routing Table: 91
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN (23775) 25
Prefixes from unregistered ASNs in the Routing Table: 43
Unregistered ASNs in the Routing Table: 19
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1789064908
Equivalent to 106 /8s, 162 /16s and 246 /24s
Percentage of available address space announced: 48.3
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 111225
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58014
Total APNIC prefixes after maximum aggregation: 21248
APNIC Deaggregation factor: 2.73
Prefixes being announced from the APNIC address blocks: 54852
Unique aggregates announced from the APNIC address blocks: 22846
APNIC Region origin ASes present in the Internet Routing Table: 3074
APNIC Prefixes per ASN: 17.84
APNIC Region origin ASes announcing only one prefix: 812
APNIC Region transit ASes present in the Internet Routing Table: 482
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 29
Number of APNIC addresses announced to Internet: 320870836
Equivalent to 19 /8s, 32 /16s and 25 /24s
Percentage of available APNIC address space announced: 79.5
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: 112022
Total ARIN prefixes after maximum aggregation: 63751
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 82374
Unique aggregates announced from the ARIN address blocks: 32168
ARIN Region origin ASes present in the Internet Routing Table: 11859
ARIN Prefixes per ASN: 6.95
ARIN Region origin ASes announcing only one prefix: 4536
ARIN Region transit ASes present in the Internet Routing Table: 1155
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 346497696
Equivalent to 20 /8s, 167 /16s and 34 /24s
Percentage of available ARIN address space announced: 76.5
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: 50065
Total RIPE prefixes after maximum aggregation: 31461
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 46534
Unique aggregates announced from the RIPE address blocks: 29922
RIPE Region origin ASes present in the Internet Routing Table: 10299
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5443
RIPE Region transit ASes present in the Internet Routing Table: 1691
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 329681472
Equivalent to 19 /8s, 166 /16s and 138 /24s
Percentage of available RIPE address space announced: 75.6
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: 17235
Total LACNIC prefixes after maximum aggregation: 4535
LACNIC Deaggregation factor: 3.80
Prefixes being announced from the LACNIC address blocks: 15258
Unique aggregates announced from the LACNIC address blocks: 8232
LACNIC Region origin ASes present in the Internet Routing Table: 870
LACNIC Prefixes per ASN: 17.54
LACNIC Region origin ASes announcing only one prefix: 274
LACNIC Region transit ASes present in the Internet Routing Table: 148
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 43514112
Equivalent to 2 /8s, 151 /16s and 249 /24s
Percentage of available LACNIC address space announced: 43.2
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: 2787
Total AfriNIC prefixes after maximum aggregation: 1056
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 2336
Unique aggregates announced from the AfriNIC address blocks: 1358
AfriNIC Region origin ASes present in the Internet Routing Table: 207
AfriNIC Prefixes per ASN: 11.29
AfriNIC Region origin ASes announcing only one prefix: 71
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 7462144
Equivalent to 0 /8s, 113 /16s and 221 /24s
Percentage of available AfriNIC address space announced: 22.2
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 2748 2974 36 China Education and Research
4755 1428 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1118 81 419 Sify Limited
4134 1098 11508 297 CHINANET-BACKBONE
9498 1001 533 65 BHARTI BT INTERNET LTD.
23577 925 34 792 Korea Telecom (ATM-MPLS)
17488 823 53 65 Hathway IP Over Cable Interne
4766 809 5441 321 Korea Telecom (KIX)
7545 735 159 117 TPG Internet Pty Ltd
18101 603 119 51 Reliance Infocom Ltd Internet
1221 590 1950 436 Telstra Pty Ltd
4802 577 131 148 Wantree Development
4812 542 974 95 China Telecom (Shanghai)
9829 531 1313 10 BSNL National Internet Backbo
4668 517 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 493 792 119 CNCGROUP IP network: China169
9443 468 122 78 Primus Telecommunications
7474 457 218 269 SingTel Optus Pty Ltd
9942 421 74 111 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 491 1921 393 UUNET - Commercial IP service
24863 370 57 36 LINKdotNET AS number
8551 350 334 33 Bezeq International
9116 349 168 27 Goldenlines main autonomous s
3301 317 1457 294 TeliaNet Sweden
3320 312 6035 259 Deutsche Telekom AG
6746 291 131 267 Dynamic Network Technologies,
1273 278 306 104 Cable & Wireless Deutschland
680 269 2045 257 DFN-IP service G-WiN
8866 267 62 22 Bulgarian Telecommunication C
3215 263 2480 100 France Telecom Transpac
8708 262 421 242 Romania Data Systems S.A.
8220 255 444 237 COLT Telecommunications
5089 235 1658 54 NTL Group Limited
3352 230 1882 40 Ibernet, Internet Access Netw
3269 223 2839 73 TELECOM ITALIA
9121 216 1442 25 TTnet Autonomous System
3300 207 172 100 AUCS Communications Services
1257 205 1195 169 SWIPnet Swedish IP Network
3292 196 1380 176 TDC Tele Danmark
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1485 10226 991 AT&T WorldNet Services
4323 1401 991 366 Time Warner Telecom
2386 1221 636 733 AT&T Data Communications Serv
11492 1153 113 12 Cable One
6478 1132 329 138 AT&T Worldnet Services
6197 1034 745 496 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 960 6763 840 Cogent Communications
7011 944 287 559 Citizens Utilities
701 870 6573 678 UUNET Technologies, Inc.
20115 830 762 441 Charter Communications
1239 806 2729 564 Sprint
19262 780 2766 189 Verizon Global Networks
22773 780 2149 52 Cox Communications, Inc.
209 733 3818 578 Qwest
577 709 845 202 Bell Advanced Communications
3356 672 10820 371 Level 3 Communications, LLC
5668 654 176 23 CenturyTel Internet Holdings,
852 592 1093 358 Telus Advanced Communications
6517 588 165 36 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1428 1361 Videsh Sanchar Nigam Ltd. Aut
11492 1153 1141 Cable One
4323 1401 1035 Time Warner Telecom
18566 1028 1019 Covad Communications
6478 1132 994 AT&T Worldnet Services
9498 1001 936 BHARTI BT INTERNET LTD.
8151 1018 803 UniNet S.A. de C.V.
4134 1098 801 CHINANET-BACKBONE
17488 823 758 Hathway IP Over Cable Interne
22773 780 728 Cox Communications, Inc.
9583 1118 699 Sify Limited
5668 654 631 CenturyTel Internet Holdings,
7545 735 618 TPG Internet Pty Ltd
19262 780 591 Verizon Global Networks
18101 603 552 Reliance Infocom Ltd Internet
6517 588 552 Yipes Communications, Inc.
15270 581 542 PaeTec.net -a division of Pae
6197 1034 538 BellSouth Network Solutions,
9829 531 521 BSNL National Internet Backbo
19916 568 517 OLM LLC
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
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
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
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
64520 PRIVATE 172.11.12.0/24 1803 SPRINT
65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans
64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In
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
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
65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In
64780 PRIVATE 195.221.30.0/24 1726 FR-RENATER-E-BELIN
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65000 PRIVATE 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
65501 PRIVATE 202.153.21.0/24 23666 PT Sistelindo Mitral
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
101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous
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
172.11.12.0/24 64520 PRIVATE ASN
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 /8:19 /9:9 /10:16 /11:37 /12:136
/13:270 /14:480 /15:938 /16:9742 /17:4202 /18:6791
/19:14511 /20:17492 /21:15592 /22:20052 /23:20873 /24:125568
/25:879 /26:1146 /27:628 /28:263 /29:192 /30:267
/31:0 /32:73
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1145 1153 Cable One
6478 1131 1132 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 962 1118 Sify Limited
4538 922 2748 China Education and Research
23577 916 925 Korea Telecom (ATM-MPLS)
2386 911 1221 AT&T Data Communications Serv
7011 832 944 Citizens Utilities
7018 820 1485 AT&T WorldNet Services
4755 797 1428 Videsh Sanchar Nigam Ltd. Aut
6197 776 1034 BellSouth Network Solutions,
9498 682 1001 BHARTI BT INTERNET LTD.
17488 642 823 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 594 1401 Time Warner Telecom
19916 563 568 OLM LLC
15270 544 581 PaeTec.net -a division of Pae
6517 543 588 Yipes Communications, Inc.
5668 519 654 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:86 12:1801 13:2 15:20 16:3
17:3 18:13 20:36 24:993 25:1 32:177
33:3 38:352 40:61 41:315 43:6 44:2
47:4 52:4 55:3 56:3 57:39 58:504
59:424 60:376 61:991 62:998 63:2004 64:3308
65:2428 66:3540 67:834 68:681 69:1990 70:471
71:118 72:1424 73:5 74:686 75:307 76:136
77:383 78:206 79:3 80:839 81:840 82:595
83:380 84:631 85:836 86:345 87:568 88:287
89:1005 90:40 91:609 97:6 98:2 101:1
116:371 117:161 118:22 121:307 122:607 123:190
124:680 125:1009 128:272 129:211 130:137 131:366
132:60 133:9 134:195 135:34 136:188 137:86
138:156 139:107 140:511 141:174 142:410 143:254
144:310 145:47 146:334 147:124 148:473 149:189
150:112 151:157 152:92 153:121 154:12 155:256
156:162 157:218 158:160 159:176 160:136 161:102
162:174 163:183 164:493 165:397 166:299 167:303
168:505 169:124 170:396 171:22 172:3 189:74
190:1179 192:5783 193:3993 194:3288 195:2555 196:1005
198:3915 199:3229 200:5317 201:1227 202:7789 203:7924
204:3961 205:2022 206:2484 207:2928 208:2884 209:3506
210:2775 211:1213 212:1321 213:1526 214:417 215:45
216:4105 217:1200 218:386 219:450 220:1012 221:417
222:305
End of report
