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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 05 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/2007/10/05
Analysis Summary
----------------
BGP routing table entries examined: 240366
Prefixes after maximum aggregation: 122240
Deaggregation factor: 1.97
Unique aggregates announced to Internet: 113845
Total ASes present in the Internet Routing Table: 26460
Prefixes per ASN: 9.08
Origin-only ASes present in the Internet Routing Table: 22833
Origin ASes announcing only one prefix: 11183
Transit ASes present in the Internet Routing Table: 3627
Transit-only ASes present in the Internet Routing Table: 90
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 29
Max AS path prepend of ASN (23775) 25
Prefixes from unregistered ASNs in the Routing Table: 57
Unregistered ASNs in the Routing Table: 20
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1790376140
Equivalent to 106 /8s, 182 /16s and 248 /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: 111287
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58027
Total APNIC prefixes after maximum aggregation: 21256
APNIC Deaggregation factor: 2.73
Prefixes being announced from the APNIC address blocks: 54859
Unique aggregates announced from the APNIC address blocks: 22883
APNIC Region origin ASes present in the Internet Routing Table: 3076
APNIC Prefixes per ASN: 17.83
APNIC Region origin ASes announcing only one prefix: 811
APNIC Region transit ASes present in the Internet Routing Table: 493
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 29
Number of APNIC addresses announced to Internet: 320863924
Equivalent to 19 /8s, 31 /16s and 254 /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: 112233
Total ARIN prefixes after maximum aggregation: 63839
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 82632
Unique aggregates announced from the ARIN address blocks: 32196
ARIN Region origin ASes present in the Internet Routing Table: 11880
ARIN Prefixes per ASN: 6.96
ARIN Region origin ASes announcing only one prefix: 4552
ARIN Region transit ASes present in the Internet Routing Table: 1158
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 346921120
Equivalent to 20 /8s, 173 /16s and 152 /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: 50107
Total RIPE prefixes after maximum aggregation: 31542
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 46566
Unique aggregates announced from the RIPE address blocks: 30066
RIPE Region origin ASes present in the Internet Routing Table: 10332
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5474
RIPE Region transit ASes present in the Internet Routing Table: 1721
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 330324288
Equivalent to 19 /8s, 176 /16s and 89 /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: 17139
Total LACNIC prefixes after maximum aggregation: 4526
LACNIC Deaggregation factor: 3.79
Prefixes being announced from the LACNIC address blocks: 15171
Unique aggregates announced from the LACNIC address blocks: 8416
LACNIC Region origin ASes present in the Internet Routing Table: 874
LACNIC Prefixes per ASN: 17.36
LACNIC Region origin ASes announcing only one prefix: 279
LACNIC Region transit ASes present in the Internet Routing Table: 149
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 43824384
Equivalent to 2 /8s, 156 /16s and 181 /24s
Percentage of available LACNIC address space announced: 43.5
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: 2794
Total AfriNIC prefixes after maximum aggregation: 1059
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 2367
Unique aggregates announced from the AfriNIC address blocks: 1369
AfriNIC Region origin ASes present in the Internet Routing Table: 207
AfriNIC Prefixes per ASN: 11.43
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 7527936
Equivalent to 0 /8s, 114 /16s and 222 /24s
Percentage of available AfriNIC address space announced: 22.4
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 2745 2974 36 China Education and Research
4755 1430 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1116 80 417 Sify Limited
4134 1098 11508 297 CHINANET-BACKBONE
9498 992 533 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 737 159 118 TPG Internet Pty Ltd
18101 604 119 51 Reliance Infocom Ltd Internet
1221 586 1950 432 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 466 122 77 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
702 474 1904 386 UUNET - Commercial IP service
24863 370 57 36 LINKdotNET AS number
8551 351 334 33 Bezeq International
9116 344 168 27 Goldenlines main autonomous s
3301 317 1457 294 TeliaNet Sweden
3320 313 6035 260 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
8708 263 421 242 Romania Data Systems S.A.
8866 263 62 22 Bulgarian Telecommunication C
3215 262 2480 100 France Telecom Transpac
8220 256 444 238 COLT Telecommunications
5089 235 1658 54 NTL Group Limited
3352 227 1898 40 Ibernet, Internet Access Netw
3269 223 2839 73 TELECOM ITALIA
9121 216 1442 25 TTnet Autonomous System
3300 207 172 99 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 1484 10250 991 AT&T WorldNet Services
4323 1406 1007 366 Time Warner Telecom
2386 1228 621 750 AT&T Data Communications Serv
11492 1153 113 12 Cable One
6478 1125 330 148 AT&T Worldnet Services
6197 1031 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 969 6779 844 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
22773 792 2133 54 Cox Communications, Inc.
19262 785 2829 186 Verizon Global Networks
209 732 3818 578 Qwest
577 710 845 202 Bell Advanced Communications
3356 681 10820 371 Level 3 Communications, LLC
5668 656 176 23 CenturyTel Internet Holdings,
852 593 1093 359 Telus Advanced Communications
6517 587 165 36 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1430 1363 Videsh Sanchar Nigam Ltd. Aut
11492 1153 1141 Cable One
4323 1406 1040 Time Warner Telecom
18566 1028 1019 Covad Communications
6478 1125 977 AT&T Worldnet Services
9498 992 927 BHARTI BT INTERNET LTD.
8151 1042 829 UniNet S.A. de C.V.
4134 1098 801 CHINANET-BACKBONE
17488 823 758 Hathway IP Over Cable Interne
22773 792 738 Cox Communications, Inc.
9583 1116 699 Sify Limited
5668 656 633 CenturyTel Internet Holdings,
7545 737 619 TPG Internet Pty Ltd
19262 785 599 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 1031 523 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
65010 PRIVATE 83.174.240.0/20 28812 BashInformSvyaz Auto
65001 PRIVATE 122.129.192.0/24 38155 Indonesia Network In
65001 PRIVATE 122.129.193.0/24 38155 Indonesia Network In
65001 PRIVATE 122.129.194.0/24 38155 Indonesia Network In
65001 PRIVATE 122.129.198.0/24 38155 Indonesia Network In
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
64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.1.0/24 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
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
64631 PRIVATE 199.242.73.0/24 22472 Florida Supreme Cour
64631 PRIVATE 199.242.74.0/24 22472 Florida Supreme Cour
64631 PRIVATE 199.242.96.0/24 22472 Florida Supreme Cour
64631 PRIVATE 199.242.109.0/24 8103 Florida Department o
64631 PRIVATE 199.242.111.0/24 22472 Florida Supreme Cour
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 /15:944 /16:9744 /17:4206 /18:6812
/19:14573 /20:17541 /21:15599 /22:20100 /23:20895 /24:125515
/25:886 /26:1151 /27:628 /28:266 /29:194 /30:268
/31:0 /32:76
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1145 1153 Cable One
6478 1124 1125 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 960 1116 Sify Limited
23577 920 929 Korea Telecom (ATM-MPLS)
4538 919 2745 China Education and Research
2386 917 1228 AT&T Data Communications Serv
7011 832 944 Citizens Utilities
7018 816 1484 AT&T WorldNet Services
4755 800 1430 Videsh Sanchar Nigam Ltd. Aut
6197 775 1031 BellSouth Network Solutions,
9498 681 992 BHARTI BT INTERNET LTD.
17488 642 823 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 599 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 518 656 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:91 12:1804 13:2 15:20 16:3
17:3 18:13 20:36 24:1003 25:1 32:177
33:3 38:350 40:61 41:325 43:6 44:2
47:4 52:4 55:3 56:3 57:42 58:505
59:421 60:376 61:1001 62:985 63:2000 64:3296
65:2427 66:3563 67:839 68:681 69:1994 70:471
71:124 72:1431 73:5 74:697 75:307 76:142
77:386 78:209 79:3 80:855 81:800 82:593
83:374 84:632 85:829 86:347 87:569 88:294
89:1004 90:37 91:592 97:6 98:2 101:1
116:376 117:169 118:22 121:311 122:618 123:189
124:685 125:1006 128:272 129:202 130:138 131:366
132:60 133:9 134:195 135:34 136:188 137:87
138:156 139:107 140:514 141:174 142:381 143:254
144:313 145:46 146:326 147:125 148:471 149:188
150:112 151:156 152:92 153:121 154:12 155:257
156:160 157:221 158:160 159:178 160:136 161:101
162:174 163:184 164:492 165:397 166:301 167:303
168:498 169:124 170:397 171:22 172:3 189:73
190:1111 192:5783 193:3989 194:3282 195:2567 196:1020
198:3913 199:3240 200:5230 201:1224 202:7790 203:7914
204:3993 205:2038 206:2488 207:2921 208:2888 209:3516
210:2764 211:1215 212:1354 213:1512 214:420 215:45
216:4106 217:1218 218:380 219:451 220:1005 221:416
222:304
End of report
