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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 04 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/2007/10/04
Analysis Summary
----------------
BGP routing table entries examined: 240142
Prefixes after maximum aggregation: 122078
Deaggregation factor: 1.97
Unique aggregates announced to Internet: 113838
Total ASes present in the Internet Routing Table: 26413
Prefixes per ASN: 9.09
Origin-only ASes present in the Internet Routing Table: 22825
Origin ASes announcing only one prefix: 11164
Transit ASes present in the Internet Routing Table: 3588
Transit-only ASes present in the Internet Routing Table: 94
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 29
Max AS path prepend of ASN (23775) 25
Prefixes from unregistered ASNs in the Routing Table: 46
Unregistered ASNs in the Routing Table: 18
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1790061548
Equivalent to 106 /8s, 178 /16s and 43 /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: 111314
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58056
Total APNIC prefixes after maximum aggregation: 21233
APNIC Deaggregation factor: 2.73
Prefixes being announced from the APNIC address blocks: 54889
Unique aggregates announced from the APNIC address blocks: 22955
APNIC Region origin ASes present in the Internet Routing Table: 3079
APNIC Prefixes per ASN: 17.83
APNIC Region origin ASes announcing only one prefix: 812
APNIC Region transit ASes present in the Internet Routing Table: 490
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 29
Number of APNIC addresses announced to Internet: 320969652
Equivalent to 19 /8s, 33 /16s and 155 /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: 112183
Total ARIN prefixes after maximum aggregation: 63763
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 82567
Unique aggregates announced from the ARIN address blocks: 32186
ARIN Region origin ASes present in the Internet Routing Table: 11872
ARIN Prefixes per ASN: 6.95
ARIN Region origin ASes announcing only one prefix: 4556
ARIN Region transit ASes present in the Internet Routing Table: 1156
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 346827712
Equivalent to 20 /8s, 172 /16s and 43 /24s
Percentage of available ARIN address space announced: 76.6
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: 49998
Total RIPE prefixes after maximum aggregation: 31495
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 46451
Unique aggregates announced from the RIPE address blocks: 30004
RIPE Region origin ASes present in the Internet Routing Table: 10290
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5452
RIPE Region transit ASes present in the Internet Routing Table: 1691
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 330071360
Equivalent to 19 /8s, 172 /16s and 125 /24s
Percentage of available RIPE address space announced: 75.7
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: 17106
Total LACNIC prefixes after maximum aggregation: 4513
LACNIC Deaggregation factor: 3.79
Prefixes being announced from the LACNIC address blocks: 15122
Unique aggregates announced from the LACNIC address blocks: 8385
LACNIC Region origin ASes present in the Internet Routing Table: 870
LACNIC Prefixes per ASN: 17.38
LACNIC Region origin ASes announcing only one prefix: 275
LACNIC Region transit ASes present in the Internet Routing Table: 146
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 43703040
Equivalent to 2 /8s, 154 /16s and 219 /24s
Percentage of available LACNIC address space announced: 43.4
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: 2743
Total AfriNIC prefixes after maximum aggregation: 1054
AfriNIC Deaggregation factor: 2.60
Prefixes being announced from the AfriNIC address blocks: 2330
Unique aggregates announced from the AfriNIC address blocks: 1373
AfriNIC Region origin ASes present in the Internet Routing Table: 207
AfriNIC Prefixes per ASN: 11.26
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 7447552
Equivalent to 0 /8s, 113 /16s and 164 /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 2749 2974 36 China Education and Research
4755 1428 383 66 Videsh Sanchar Nigam Ltd. Aut
9583 1116 80 416 Sify Limited
4134 1098 11508 297 CHINANET-BACKBONE
9498 1002 533 65 BHARTI BT INTERNET LTD.
23577 929 34 795 Korea Telecom (ATM-MPLS)
17488 823 53 65 Hathway IP Over Cable Interne
4766 809 5441 321 Korea Telecom (KIX)
7545 738 159 119 TPG Internet Pty Ltd
18101 604 119 51 Reliance Infocom Ltd Internet
1221 589 1950 435 Telstra Pty Ltd
4802 578 132 147 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 492 790 118 CNCGROUP IP network: China169
9443 467 122 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
702 473 1904 385 UUNET - Commercial IP service
24863 370 57 36 LINKdotNET AS number
8551 351 334 33 Bezeq International
9116 343 168 27 Goldenlines main autonomous s
3301 317 1457 294 TeliaNet Sweden
3320 312 6035 259 Deutsche Telekom AG
6746 292 131 268 Dynamic Network Technologies,
1273 276 306 104 Cable & Wireless Deutschland
680 269 2045 257 DFN-IP service G-WiN
8866 267 62 22 Bulgarian Telecommunication C
8708 263 421 242 Romania Data Systems S.A.
3215 262 2480 100 France Telecom Transpac
8220 256 444 238 COLT Telecommunications
5089 236 1658 54 NTL Group Limited
3352 231 1898 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 195 1380 177 TDC Tele Danmark
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1486 10250 995 AT&T WorldNet Services
4323 1406 1007 366 Time Warner Telecom
2386 1224 621 746 AT&T Data Communications Serv
11492 1153 113 12 Cable One
6478 1132 330 135 AT&T Worldnet Services
6197 1032 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 970 6779 845 Cogent Communications
7011 944 287 559 Citizens Utilities
701 872 6573 679 UUNET Technologies, Inc.
20115 833 763 443 Charter Communications
1239 801 2712 562 Sprint
19262 794 2828 189 Verizon Global Networks
22773 780 2133 51 Cox Communications, Inc.
209 732 3818 578 Qwest
577 711 845 202 Bell Advanced Communications
3356 681 10820 371 Level 3 Communications, LLC
5668 657 176 23 CenturyTel Internet Holdings,
852 594 1093 360 Telus Advanced Communications
6517 587 165 36 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1428 1362 Videsh Sanchar Nigam Ltd. Aut
11492 1153 1141 Cable One
4323 1406 1040 Time Warner Telecom
18566 1028 1019 Covad Communications
6478 1132 997 AT&T Worldnet Services
9498 1002 937 BHARTI BT INTERNET LTD.
8151 1021 805 UniNet S.A. de C.V.
4134 1098 801 CHINANET-BACKBONE
17488 823 758 Hathway IP Over Cable Interne
22773 780 729 Cox Communications, Inc.
9583 1116 700 Sify Limited
5668 657 634 CenturyTel Internet Holdings,
7545 738 619 TPG Internet Pty Ltd
19262 794 605 Verizon Global Networks
18101 604 553 Reliance Infocom Ltd Internet
6517 587 551 Yipes Communications, Inc.
15270 581 542 PaeTec.net -a division of Pae
6197 1032 524 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
65016 PRIVATE 155.248.0.0/16 5483 Hungarian Telecom
65530 PRIVATE 192.147.68.0/24 2901 New Mexico Technet
65500 PRIVATE 192.239.84.0/24 10886 University of Maryla
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
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
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
65000 PRIVATE 213.211.133.162/32 25596 Cambrium Network Ser
65000 PRIVATE 213.211.133.163/32 25596 Cambrium Network Ser
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
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
192.168.253.0/24 4323 Time Warner Telecom
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 1803 SPRINT
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 /14:481 /15:943 /16:9744 /17:4199 /18:6808
/19:14538 /20:17495 /21:15599 /22:20083 /23:20905 /24:125406
/25:882 /26:1148 /27:628 /28:265 /29:191 /30:265
/31:0 /32:75
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 960 1116 Sify Limited
4538 922 2749 China Education and Research
23577 920 929 Korea Telecom (ATM-MPLS)
2386 915 1224 AT&T Data Communications Serv
7011 832 944 Citizens Utilities
7018 819 1486 AT&T WorldNet Services
4755 797 1428 Videsh Sanchar Nigam Ltd. Aut
6197 776 1032 BellSouth Network Solutions,
9498 682 1002 BHARTI BT INTERNET LTD.
17488 642 823 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 598 1406 Time Warner Telecom
19916 563 568 OLM LLC
15270 544 581 PaeTec.net -a division of Pae
6517 542 587 Yipes Communications, Inc.
5668 519 657 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:91 12:1803 13:2 15:20 16:3
17:3 18:13 20:36 24:997 25:1 32:177
33:3 38:352 40:61 41:325 43:6 44:2
47:4 52:4 55:3 56:3 57:42 58:503
59:425 60:376 61:1001 62:999 63:2003 64:3299
65:2424 66:3562 67:854 68:678 69:1993 70:470
71:122 72:1426 73:5 74:695 75:307 76:141
77:382 78:208 79:3 80:850 81:796 82:594
83:378 84:632 85:837 86:347 87:558 88:294
89:1013 90:40 91:599 97:6 98:2 101:1
116:377 117:176 118:22 121:308 122:615 123:189
124:682 125:1008 128:272 129:211 130:137 131:365
132:60 133:9 134:195 135:34 136:188 137:87
138:151 139:107 140:514 141:174 142:383 143:254
144:312 145:46 146:334 147:124 148:486 149:188
150:112 151:156 152:92 153:121 154:12 155:255
156:161 157:218 158:160 159:178 160:136 161:101
162:174 163:184 164:493 165:397 166:300 167:303
168:497 169:124 170:396 171:22 172:3 189:74
190:1109 192:5776 193:3978 194:3266 195:2525 196:1028
198:3911 199:3232 200:5205 201:1225 202:7786 203:7901
204:3990 205:2026 206:2489 207:2919 208:2889 209:3513
210:2774 211:1216 212:1318 213:1527 214:419 215:45
216:4111 217:1205 218:386 219:450 220:1005 221:417
222:306
End of report
