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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 22 Sep, 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/2007/09/22
Analysis Summary
----------------
BGP routing table entries examined: 237700
Prefixes after maximum aggregation: 121303
Deaggregation factor: 1.96
Unique aggregates announced to Internet: 112004
Total ASes present in the Internet Routing Table: 26307
Prefixes per ASN: 9.04
Origin-only ASes present in the Internet Routing Table: 22845
Origin ASes announcing only one prefix: 11108
Transit ASes present in the Internet Routing Table: 3462
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 26
Max AS path prepend of ASN (43329) 20
Prefixes from unregistered ASNs in the Routing Table: 42
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: 11
Number of addresses announced to Internet: 1783779132
Equivalent to 106 /8s, 82 /16s and 79 /24s
Percentage of available address space announced: 48.1
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 126883
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56804
Total APNIC prefixes after maximum aggregation: 20819
APNIC Deaggregation factor: 2.73
Prefixes being announced from the APNIC address blocks: 53650
Unique aggregates announced from the APNIC address blocks: 21756
APNIC Region origin ASes present in the Internet Routing Table: 3060
APNIC Prefixes per ASN: 17.53
APNIC Region origin ASes announcing only one prefix: 801
APNIC Region transit ASes present in the Internet Routing Table: 475
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 318907316
Equivalent to 19 /8s, 2 /16s and 35 /24s
Percentage of available APNIC address space announced: 79.0
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: 111450
Total ARIN prefixes after maximum aggregation: 63626
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 81967
Unique aggregates announced from the ARIN address blocks: 32083
ARIN Region origin ASes present in the Internet Routing Table: 11841
ARIN Prefixes per ASN: 6.92
ARIN Region origin ASes announcing only one prefix: 4519
ARIN Region transit ASes present in the Internet Routing Table: 1113
Average ARIN Region AS path length visible: 3.2
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 345850016
Equivalent to 20 /8s, 157 /16s and 64 /24s
Percentage of available ARIN address space announced: 76.3
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: 49683
Total RIPE prefixes after maximum aggregation: 31314
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 46073
Unique aggregates announced from the RIPE address blocks: 29889
RIPE Region origin ASes present in the Internet Routing Table: 10255
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 5439
RIPE Region transit ASes present in the Internet Routing Table: 1651
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 327847872
Equivalent to 19 /8s, 138 /16s and 143 /24s
Percentage of available RIPE address space announced: 75.2
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: 16910
Total LACNIC prefixes after maximum aggregation: 4468
LACNIC Deaggregation factor: 3.78
Prefixes being announced from the LACNIC address blocks: 15068
Unique aggregates announced from the LACNIC address blocks: 8015
LACNIC Region origin ASes present in the Internet Routing Table: 866
LACNIC Prefixes per ASN: 17.40
LACNIC Region origin ASes announcing only one prefix: 280
LACNIC Region transit ASes present in the Internet Routing Table: 149
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 42454784
Equivalent to 2 /8s, 135 /16s and 207 /24s
Percentage of available LACNIC address space announced: 63.3
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: 2802
Total AfriNIC prefixes after maximum aggregation: 1056
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 2375
Unique aggregates announced from the AfriNIC address blocks: 1369
AfriNIC Region origin ASes present in the Internet Routing Table: 207
AfriNIC Prefixes per ASN: 11.47
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7459840
Equivalent to 0 /8s, 113 /16s and 212 /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 1944 2974 36 China Education and Research
4755 1360 383 69 Videsh Sanchar Nigam Ltd. Aut
9583 1131 108 18 Sify Limited
4134 1076 11219 291 CHINANET-BACKBONE
9498 1002 532 64 BHARTI BT INTERNET LTD.
23577 919 34 789 Korea Telecom (ATM-MPLS)
17488 810 53 59 Hathway IP Over Cable Interne
4766 809 5441 321 Korea Telecom (KIX)
7545 727 159 118 TPG Internet Pty Ltd
18101 602 119 51 Reliance Infocom Ltd Internet
1221 587 1950 432 Telstra Pty Ltd
4812 546 974 94 China Telecom (Shanghai)
9829 530 1312 9 BSNL National Internet Backbo
4668 517 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 492 783 119 CNCGROUP IP network: China169
9443 468 122 78 Primus Telecommunications
7474 458 218 270 SingTel Optus Pty Ltd
4802 442 133 153 Wantree Development
9942 429 75 112 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 493 1923 395 UUNET - Commercial IP service
24863 369 57 39 LINKdotNET AS number
8551 351 334 33 Bezeq International
9116 343 168 27 Goldenlines main autonomous s
5089 324 1658 54 NTL Group Limited
3301 319 1457 296 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
6746 290 131 266 Dynamic Network Technologies,
1273 278 306 104 Cable & Wireless Deutschland
680 269 2045 257 DFN-IP service G-WiN
8708 263 421 242 Romania Data Systems S.A.
3215 261 2456 98 France Telecom Transpac
8220 257 444 239 COLT Telecommunications
3352 227 1882 40 Ibernet, Internet Access Netw
3269 223 2839 73 TELECOM ITALIA
9121 217 1442 25 TTnet Autonomous System
1257 205 1195 170 SWIPnet Swedish IP Network
3300 205 172 98 AUCS Communications Services
3292 197 1380 177 TDC Tele Danmark
2856 194 2319 154 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1478 10209 993 AT&T WorldNet Services
4323 1343 990 370 Time Warner Telecom
2386 1218 635 732 AT&T Data Communications Serv
11492 1149 112 15 Cable One
6478 1129 328 134 AT&T Worldnet Services
6197 1032 718 508 BellSouth Network Solutions,
18566 1027 288 9 Covad Communications
174 969 6780 856 Cogent Communications
7011 939 283 557 Citizens Utilities
701 882 6591 688 UUNET Technologies, Inc.
20115 823 755 440 Charter Communications
1239 798 2711 560 Sprint
19262 778 2758 190 Verizon Global Networks
22773 774 2148 50 Cox Communications, Inc.
209 744 3835 588 Qwest
577 713 829 204 Bell Advanced Communications
3356 666 10820 368 Level 3 Communications, LLC
5668 656 176 23 CenturyTel Internet Holdings,
852 597 1112 364 Telus Advanced Communications
6517 592 165 36 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1360 1291 Videsh Sanchar Nigam Ltd. Aut
11492 1149 1134 Cable One
9583 1131 1113 Sify Limited
18566 1027 1018 Covad Communications
6478 1129 995 AT&T Worldnet Services
4323 1343 973 Time Warner Telecom
9498 1002 938 BHARTI BT INTERNET LTD.
4134 1076 785 CHINANET-BACKBONE
17488 810 751 Hathway IP Over Cable Interne
22773 774 724 Cox Communications, Inc.
8151 922 715 UniNet S.A. de C.V.
5668 656 633 CenturyTel Internet Holdings,
7545 727 609 TPG Internet Pty Ltd
19262 778 588 Verizon Global Networks
6517 592 556 Yipes Communications, Inc.
18101 602 551 Reliance Infocom Ltd Internet
15270 579 541 PaeTec.net -a division of Pae
6197 1032 524 BellSouth Network Solutions,
9829 530 521 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 122.167.244.0/23 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
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
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
65501 PRIVATE 202.153.21.0/24 23666 PT Sistelindo Mitral
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
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
172.33.1.0/24 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
/13:267 /14:476 /15:931 /16:9685 /17:4180 /18:6743
/19:14163 /20:16981 /21:15382 /22:19932 /23:20796 /24:124610
/25:841 /26:1122 /27:594 /28:259 /29:185 /30:265
/31:0 /32:72
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1141 1149 Cable One
6478 1128 1129 AT&T Worldnet Services
18566 1009 1027 Covad Communications
9583 964 1131 Sify Limited
2386 910 1218 AT&T Data Communications Serv
23577 910 919 Korea Telecom (ATM-MPLS)
4538 907 1944 China Education and Research
7011 830 939 Citizens Utilities
7018 825 1478 AT&T WorldNet Services
6197 785 1032 BellSouth Network Solutions,
4755 754 1360 Videsh Sanchar Nigam Ltd. Aut
9498 676 1002 BHARTI BT INTERNET LTD.
17488 633 810 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 578 1343 Time Warner Telecom
19916 563 568 OLM LLC
6517 557 592 Yipes Communications, Inc.
15270 543 579 PaeTec.net -a division of Pae
5668 521 656 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:82 12:1803 13:2 15:20 16:3
17:3 18:13 20:37 24:988 25:1 32:177
33:3 38:349 40:60 41:320 43:6 44:2
47:4 52:4 55:3 56:3 57:42 58:502
59:414 60:369 61:1004 62:999 63:2021 64:3280
65:2428 66:3546 67:820 68:674 69:2011 70:464
71:117 72:1432 73:5 74:667 75:305 76:129
77:355 78:165 79:3 80:851 81:835 82:590
83:369 84:625 85:829 86:342 87:522 88:284
89:1003 90:24 91:567 97:6 101:1 116:361
117:158 118:19 121:296 122:610 123:191 124:676
125:1006 128:271 129:214 130:137 131:367 132:54
133:9 134:196 135:34 136:188 137:87 138:153
139:107 140:503 141:177 142:401 143:255 144:307
145:47 146:330 147:124 148:414 149:158 150:108
151:158 152:92 153:119 154:4 155:259 156:161
157:206 158:160 159:173 160:134 161:105 162:175
163:183 164:492 165:397 166:299 167:298 168:498
169:123 170:375 171:22 172:2 189:74 190:1135
192:5768 193:3984 194:3277 195:2382 196:1029 198:3894
199:3208 200:5305 201:1202 202:7826 203:7790 204:3953
205:2010 206:2479 207:2924 208:2852 209:3521 210:2777
211:1215 212:1337 213:1525 214:417 215:45 216:4033
217:1207 218:385 219:440 220:1011 221:418 222:303
End of report
