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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 13 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/2007/10/13
Analysis Summary
----------------
BGP routing table entries examined: 240842
Prefixes after maximum aggregation: 122478
Deaggregation factor: 1.97
Unique aggregates announced to Internet: 114427
Total ASes present in the Internet Routing Table: 26543
Prefixes per ASN: 9.07
Origin-only ASes present in the Internet Routing Table: 23008
Origin ASes announcing only one prefix: 11227
Transit ASes present in the Internet Routing Table: 3535
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 28
Max AS path prepend of ASN (35412) 22
Prefixes from unregistered ASNs in the Routing Table: 51
Unregistered ASNs in the Routing Table: 18
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1793037036
Equivalent to 106 /8s, 223 /16s and 146 /24s
Percentage of available address space announced: 48.4
Percentage of allocated address space announced: 62.6
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 111487
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58019
Total APNIC prefixes after maximum aggregation: 21236
APNIC Deaggregation factor: 2.73
Prefixes being announced from the APNIC address blocks: 54851
Unique aggregates announced from the APNIC address blocks: 22934
APNIC Region origin ASes present in the Internet Routing Table: 3082
APNIC Prefixes per ASN: 17.80
APNIC Region origin ASes announcing only one prefix: 815
APNIC Region transit ASes present in the Internet Routing Table: 475
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 321238260
Equivalent to 19 /8s, 37 /16s and 180 /24s
Percentage of available APNIC address space announced: 79.6
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: 112232
Total ARIN prefixes after maximum aggregation: 63912
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 82736
Unique aggregates announced from the ARIN address blocks: 32257
ARIN Region origin ASes present in the Internet Routing Table: 11921
ARIN Prefixes per ASN: 6.94
ARIN Region origin ASes announcing only one prefix: 4573
ARIN Region transit ASes present in the Internet Routing Table: 1155
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 348683168
Equivalent to 20 /8s, 200 /16s and 123 /24s
Percentage of available ARIN address space announced: 77.0
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: 50396
Total RIPE prefixes after maximum aggregation: 31675
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 46859
Unique aggregates announced from the RIPE address blocks: 30280
RIPE Region origin ASes present in the Internet Routing Table: 10379
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5492
RIPE Region transit ASes present in the Internet Routing Table: 1668
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 330514720
Equivalent to 19 /8s, 179 /16s and 65 /24s
Percentage of available RIPE address space announced: 75.8
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: 17322
Total LACNIC prefixes after maximum aggregation: 4573
LACNIC Deaggregation factor: 3.79
Prefixes being announced from the LACNIC address blocks: 15252
Unique aggregates announced from the LACNIC address blocks: 8608
LACNIC Region origin ASes present in the Internet Routing Table: 875
LACNIC Prefixes per ASN: 17.43
LACNIC Region origin ASes announcing only one prefix: 279
LACNIC Region transit ASes present in the Internet Routing Table: 155
Average LACNIC Region AS path length visible: 5.6
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 44425472
Equivalent to 2 /8s, 165 /16s and 225 /24s
Percentage of available LACNIC address space announced: 44.1
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: 2814
Total AfriNIC prefixes after maximum aggregation: 1066
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 2374
Unique aggregates announced from the AfriNIC address blocks: 1373
AfriNIC Region origin ASes present in the Internet Routing Table: 208
AfriNIC Prefixes per ASN: 11.41
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 7601664
Equivalent to 0 /8s, 115 /16s and 254 /24s
Percentage of available AfriNIC address space announced: 22.7
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 2579 2974 36 China Education and Research
4755 1440 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1123 81 415 Sify Limited
4134 1095 11484 297 CHINANET-BACKBONE
9498 1008 550 67 BHARTI BT INTERNET LTD.
23577 923 34 789 Korea Telecom (ATM-MPLS)
17488 825 54 66 Hathway IP Over Cable Interne
4766 811 5442 321 Korea Telecom (KIX)
7545 739 159 118 TPG Internet Pty Ltd
18101 604 119 51 Reliance Infocom Ltd Internet
1221 589 1950 434 Telstra Pty Ltd
4802 575 132 144 Wantree Development
4812 548 974 94 China Telecom (Shanghai)
9829 530 1312 9 BSNL National Internet Backbo
4668 518 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 489 789 117 CNCGROUP IP network: China169
7474 455 217 267 SingTel Optus Pty Ltd
9443 455 121 73 Primus Telecommunications
9942 419 74 109 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 474 1920 387 UUNET - Commercial IP service
24863 370 57 36 LINKdotNET AS number
9116 354 168 27 Goldenlines main autonomous s
8551 352 334 33 Bezeq International
3301 316 1441 293 TeliaNet Sweden
3320 313 6035 260 Deutsche Telekom AG
6746 292 131 268 Dynamic Network Technologies,
1273 274 306 104 Cable & Wireless Deutschland
680 269 2045 257 DFN-IP service G-WiN
8866 265 62 24 Bulgarian Telecommunication C
3215 262 2480 100 France Telecom Transpac
8708 262 420 240 Romania Data Systems S.A.
8220 255 444 236 COLT Telecommunications
3246 242 251 178 Song Networks
5089 236 1658 54 NTL Group Limited
3352 231 1898 40 Ibernet, Internet Access Netw
3269 224 2839 73 TELECOM ITALIA
3300 208 172 99 AUCS Communications Services
1257 207 1195 171 SWIPnet Swedish IP Network
9121 205 1442 25 TTnet Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1482 10235 990 AT&T WorldNet Services
4323 1361 1006 361 Time Warner Telecom
2386 1229 612 751 AT&T Data Communications Serv
11492 1158 114 14 Cable One
6478 1127 330 139 AT&T Worldnet Services
6197 1030 718 513 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
7011 958 289 557 Citizens Utilities
174 952 6713 826 Cogent Communications
701 870 6573 677 UUNET Technologies, Inc.
20115 835 765 451 Charter Communications
1239 799 2704 557 Sprint
22773 794 2133 54 Cox Communications, Inc.
19262 782 2823 180 Verizon Global Networks
577 714 845 203 Bell Advanced Communications
209 710 3769 555 Qwest
3356 677 10804 367 Level 3 Communications, LLC
5668 657 176 23 CenturyTel Internet Holdings,
852 591 1077 357 Telus Advanced Communications
6517 589 165 37 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1440 1373 Videsh Sanchar Nigam Ltd. Aut
11492 1158 1144 Cable One
18566 1028 1019 Covad Communications
4323 1361 1000 Time Warner Telecom
6478 1127 988 AT&T Worldnet Services
9498 1008 941 BHARTI BT INTERNET LTD.
8151 1026 824 UniNet S.A. de C.V.
4134 1095 798 CHINANET-BACKBONE
17488 825 759 Hathway IP Over Cable Interne
22773 794 740 Cox Communications, Inc.
9583 1123 708 Sify Limited
5668 657 634 CenturyTel Internet Holdings,
7545 739 621 TPG Internet Pty Ltd
19262 782 602 Verizon Global Networks
18101 604 553 Reliance Infocom Ltd Internet
6517 589 552 Yipes Communications, Inc.
15270 585 546 PaeTec.net -a division of Pae
9829 530 521 BSNL National Internet Backbo
6197 1030 517 BellSouth Network Solutions,
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
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
65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans
65534 PRIVATE 194.1.160.0/24 8928 Interoute Telecommun
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
64540 PRIVATE 195.47.75.64/28 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
65002 PRIVATE 198.128.4.0/24 292 Energy Sciences Netw
65001 PRIVATE 198.128.15.96/27 293 Energy Sciences Netw
65002 PRIVATE 198.129.33.36/32 292 Energy Sciences Netw
65001 PRIVATE 198.129.44.28/32 293 Energy Sciences Netw
65002 PRIVATE 198.129.224.96/29 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.32/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.112/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.116/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.120/30 292 Energy Sciences Netw
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 /12:135
/13:271 /14:483 /15:943 /16:9771 /17:4207 /18:6825
/19:14667 /20:17582 /21:15656 /22:20071 /23:20973 /24:125751
/25:891 /26:1116 /27:625 /28:263 /29:195 /30:265
/31:0 /32:71
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1150 1158 Cable One
6478 1126 1127 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 967 1123 Sify Limited
2386 921 1229 AT&T Data Communications Serv
23577 914 923 Korea Telecom (ATM-MPLS)
7011 845 958 Citizens Utilities
7018 816 1482 AT&T WorldNet Services
4755 811 1440 Videsh Sanchar Nigam Ltd. Aut
6197 774 1030 BellSouth Network Solutions,
4538 750 2579 China Education and Research
9498 692 1008 BHARTI BT INTERNET LTD.
17488 644 825 Hathway IP Over Cable Interne
4766 609 811 Korea Telecom (KIX)
4323 581 1361 Time Warner Telecom
19916 563 568 OLM LLC
15270 548 585 PaeTec.net -a division of Pae
6517 543 589 Yipes Communications, Inc.
5668 518 657 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:90 12:1809 13:1 15:20 16:3
17:5 18:13 20:36 24:1001 25:1 32:177
33:3 38:354 40:61 41:329 43:6 44:2
47:8 52:3 55:3 56:3 57:42 58:497
59:424 60:377 61:988 62:978 63:2000 64:3310
65:2432 66:3558 67:844 68:680 69:1996 70:475
71:125 72:1426 73:6 74:715 75:308 76:145
77:399 78:243 79:5 80:868 81:818 82:596
83:376 84:644 85:833 86:347 87:569 88:289
89:1019 90:37 91:627 96:1 97:6 98:4
101:1 116:375 117:199 118:39 121:320 122:614
123:201 124:689 125:1033 128:275 129:196 130:137
131:369 132:60 133:9 134:192 135:34 136:188
137:87 138:156 139:107 140:416 141:174 142:381
143:254 144:317 145:46 146:335 147:129 148:546
149:187 150:112 151:157 152:92 153:120 154:12
155:256 156:161 157:221 158:159 159:197 160:135
161:101 162:174 163:184 164:500 165:399 166:302
167:303 168:496 169:125 170:398 171:22 172:3
189:92 190:1125 192:5780 193:4009 194:3279 195:2587
196:1015 198:3883 199:3243 200:5229 201:1219 202:7821
203:7956 204:3997 205:2021 206:2485 207:2885 208:2927
209:3514 210:2764 211:1105 212:1297 213:1544 214:414
215:45 216:4102 217:1212 218:387 219:453 220:1002
221:415 222:306
End of report
