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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 31 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/2007/10/31
Analysis Summary
----------------
BGP routing table entries examined: 242719
Prefixes after maximum aggregation: 122929
Deaggregation factor: 1.97
Unique aggregates announced to Internet: 114331
Total ASes present in the Internet Routing Table: 26665
Prefixes per ASN: 9.10
Origin-only ASes present in the Internet Routing Table: 23163
Origin ASes announcing only one prefix: 11283
Transit ASes present in the Internet Routing Table: 3502
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 68
Max AS path prepend of ASN ( 3816) 64
Prefixes from unregistered ASNs in the Routing Table: 47
Unregistered ASNs in the Routing Table: 14
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1784311876
Equivalent to 106 /8s, 90 /16s and 112 /24s
Percentage of available address space announced: 48.1
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 113017
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58481
Total APNIC prefixes after maximum aggregation: 20981
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 55297
Unique aggregates announced from the APNIC address blocks: 21994
APNIC Region origin ASes present in the Internet Routing Table: 3092
APNIC Prefixes per ASN: 17.88
APNIC Region origin ASes announcing only one prefix: 804
APNIC Region transit ASes present in the Internet Routing Table: 468
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 323172052
Equivalent to 19 /8s, 67 /16s and 54 /24s
Percentage of available APNIC address space announced: 73.9
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, 114/7, 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: 112941
Total ARIN prefixes after maximum aggregation: 64308
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83289
Unique aggregates announced from the ARIN address blocks: 32550
ARIN Region origin ASes present in the Internet Routing Table: 11938
ARIN Prefixes per ASN: 6.98
ARIN Region origin ASes announcing only one prefix: 4590
ARIN Region transit ASes present in the Internet Routing Table: 1136
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 349803296
Equivalent to 20 /8s, 217 /16s and 147 /24s
Percentage of available ARIN address space announced: 77.2
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: 50364
Total RIPE prefixes after maximum aggregation: 31927
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 47304
Unique aggregates announced from the RIPE address blocks: 30519
RIPE Region origin ASes present in the Internet Routing Table: 10470
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5542
RIPE Region transit ASes present in the Internet Routing Table: 1671
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 29
Number of RIPE addresses announced to Internet: 335092000
Equivalent to 19 /8s, 249 /16s and 25 /24s
Percentage of available RIPE address space announced: 76.8
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: 17591
Total LACNIC prefixes after maximum aggregation: 4592
LACNIC Deaggregation factor: 3.83
Prefixes being announced from the LACNIC address blocks: 15521
Unique aggregates announced from the LACNIC address blocks: 8788
LACNIC Region origin ASes present in the Internet Routing Table: 870
LACNIC Prefixes per ASN: 17.84
LACNIC Region origin ASes announcing only one prefix: 276
LACNIC Region transit ASes present in the Internet Routing Table: 151
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 68
Number of LACNIC addresses announced to Internet: 44819712
Equivalent to 2 /8s, 171 /16s and 229 /24s
Percentage of available LACNIC address space announced: 44.5
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: 3286
Total AfriNIC prefixes after maximum aggregation: 1103
AfriNIC Deaggregation factor: 2.98
Prefixes being announced from the AfriNIC address blocks: 2379
Unique aggregates announced from the AfriNIC address blocks: 1392
AfriNIC Region origin ASes present in the Internet Routing Table: 215
AfriNIC Prefixes per ASN: 11.07
AfriNIC Region origin ASes announcing only one prefix: 71
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 7629824
Equivalent to 0 /8s, 116 /16s and 108 /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 2761 2974 36 China Education and Research
4755 1474 383 68 Videsh Sanchar Nigam Ltd. Aut
9583 1110 108 15 Sify Limited
4134 1097 11539 298 CHINANET-BACKBONE
9498 1010 550 66 BHARTI BT INTERNET LTD.
23577 913 34 787 Korea Telecom (ATM-MPLS)
17488 872 56 70 Hathway IP Over Cable Interne
4766 815 5473 327 Korea Telecom (KIX)
7545 721 159 120 TPG Internet Pty Ltd
18101 608 119 52 Reliance Infocom Ltd Internet
1221 595 1951 439 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 522 858 79 China Telecom (Shanghai)
4668 520 68 10 LG-EDS Systems Inc.
17676 504 10919 64 Softbank BB Corp.
4808 500 797 121 CNCGROUP IP network: China169
4802 486 133 140 Wantree Development
7474 456 202 267 SingTel Optus Pty Ltd
9443 442 121 73 Primus Telecommunications
9942 420 74 110 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 472 1919 385 UUNET - Commercial IP service
8551 348 334 33 Bezeq International
9116 336 168 28 Goldenlines main autonomous s
3301 317 1441 294 TeliaNet Sweden
3320 316 6035 263 Deutsche Telekom AG
1273 282 307 106 Cable & Wireless Deutschland
6746 276 130 253 Dynamic Network Technologies,
8708 273 421 244 Romania Data Systems S.A.
680 268 2045 254 DFN-IP service G-WiN
8866 267 62 25 Bulgarian Telecommunication C
3215 264 2504 99 France Telecom Transpac
8220 258 445 238 COLT Telecommunications
5089 237 1658 55 NTL Group Limited
3352 234 1932 41 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
8452 213 188 7 TEDATA
9121 209 1442 25 TTnet Autonomous System
3300 208 172 97 AUCS Communications Services
1257 206 1194 176 SWIPnet Swedish IP Network
3246 196 257 183 Song Networks
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1490 6121 998 AT&T WorldNet Services
4323 1348 1010 356 Time Warner Telecom
2386 1241 628 753 AT&T Data Communications Serv
11492 1160 119 41 Cable One
6478 1117 328 198 AT&T Worldnet Services
6197 1032 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 992 6803 847 Cogent Communications
7011 966 288 558 Citizens Utilities
701 893 6568 699 UUNET Technologies, Inc.
20115 848 774 465 Charter Communications
3561 818 2325 380 Savvis
22773 800 2133 54 Cox Communications, Inc.
19262 796 2854 187 Verizon Global Networks
1239 790 2711 552 Sprint
3356 764 10899 401 Level 3 Communications, LLC
209 733 3784 576 Qwest
5668 663 176 17 CenturyTel Internet Holdings,
577 594 844 209 Bell Advanced Communications
852 593 1109 358 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1474 1406 Videsh Sanchar Nigam Ltd. Aut
11492 1160 1119 Cable One
9583 1110 1095 Sify Limited
18566 1028 1019 Covad Communications
4323 1348 992 Time Warner Telecom
9498 1010 944 BHARTI BT INTERNET LTD.
6478 1117 919 AT&T Worldnet Services
8151 1050 829 UniNet S.A. de C.V.
17488 872 802 Hathway IP Over Cable Interne
4134 1097 799 CHINANET-BACKBONE
22773 800 746 Cox Communications, Inc.
5668 663 646 CenturyTel Internet Holdings,
19262 796 609 Verizon Global Networks
7545 721 601 TPG Internet Pty Ltd
18101 608 556 Reliance Infocom Ltd Internet
6517 591 556 Yipes Communications, Inc.
6197 1032 524 BellSouth Network Solutions,
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
4668 520 510 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65500 PRIVATE 41.223.156.0/22 11259 Angola Telecom
64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L
65500 PRIVATE 66.110.112.0/24 11259 Angola Telecom
65500 PRIVATE 66.110.113.0/24 11259 Angola Telecom
65500 PRIVATE 66.110.121.0/24 11259 Angola Telecom
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
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
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
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
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
172.31.46.0/24 38416 KRNIC
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
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 /8:18 /9:9 /10:16 /11:38 /12:136
/13:274 /14:486 /15:960 /16:9807 /17:4268 /18:6811
/19:14822 /20:17701 /21:15871 /22:20238 /23:21256 /24:126517
/25:920 /26:1139 /27:628 /28:273 /29:194 /30:266
/31:0 /32:71
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1151 1160 Cable One
6478 1116 1117 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 948 1110 Sify Limited
2386 932 1241 AT&T Data Communications Serv
4538 932 2761 China Education and Research
23577 904 913 Korea Telecom (ATM-MPLS)
7011 853 966 Citizens Utilities
4755 844 1474 Videsh Sanchar Nigam Ltd. Aut
7018 820 1490 AT&T WorldNet Services
6197 776 1032 BellSouth Network Solutions,
9498 698 1010 BHARTI BT INTERNET LTD.
17488 687 872 Hathway IP Over Cable Interne
4766 606 815 Korea Telecom (KIX)
4323 568 1348 Time Warner Telecom
19916 564 569 OLM LLC
6517 545 591 Yipes Communications, Inc.
5668 521 663 CenturyTel Internet Holdings,
4668 510 520 LG-EDS Systems Inc.
18101 509 608 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:88 12:1811 13:1 15:19 16:3
17:6 18:13 20:36 24:1013 25:1 32:174
33:3 38:359 40:64 41:339 43:6 44:2
47:8 52:3 55:3 56:3 57:42 58:508
59:424 60:381 61:988 62:993 63:1995 64:3385
65:2436 66:3638 67:849 68:678 69:2005 70:480
71:120 72:1413 73:6 74:744 75:320 76:158
77:407 78:258 79:8 80:870 81:800 82:606
83:362 84:644 85:824 86:337 87:585 88:285
89:1029 90:39 91:705 92:4 96:1 97:6
98:10 116:421 117:203 118:42 121:328 122:636
123:205 124:703 125:1035 128:306 129:196 130:138
131:367 132:60 133:9 134:194 135:34 136:188
137:86 138:156 139:105 140:516 141:145 142:371
143:254 144:316 145:46 146:327 147:130 148:549
149:189 150:114 151:137 152:95 153:121 154:12
155:261 156:162 157:225 158:159 159:191 160:142
161:99 162:190 163:184 164:504 165:401 166:302
167:307 168:503 169:124 170:415 171:22 172:4
189:102 190:1220 192:5750 193:4030 194:3291 195:2561
196:975 198:3888 199:3231 200:5220 201:1221 202:7850
203:7811 204:3992 205:2017 206:2445 207:2827 208:2944
209:3611 210:2814 211:1207 212:1323 213:1539 214:418
215:44 216:4154 217:1206 218:393 219:464 220:1015
221:410 222:309
End of report
