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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 29 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/2007/10/29
Analysis Summary
----------------
BGP routing table entries examined: 242494
Prefixes after maximum aggregation: 122569
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 114068
Total ASes present in the Internet Routing Table: 26643
Prefixes per ASN: 9.10
Origin-only ASes present in the Internet Routing Table: 23093
Origin ASes announcing only one prefix: 11265
Transit ASes present in the Internet Routing Table: 3550
Transit-only ASes present in the Internet Routing Table: 87
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 28
Max AS path prepend of ASN (43329) 20
Prefixes from unregistered ASNs in the Routing Table: 50
Unregistered ASNs in the Routing Table: 22
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1783182396
Equivalent to 106 /8s, 73 /16s and 52 /24s
Percentage of available address space announced: 48.1
Percentage of allocated address space announced: 62.3
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 112850
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58473
Total APNIC prefixes after maximum aggregation: 20991
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 55287
Unique aggregates announced from the APNIC address blocks: 21978
APNIC Region origin ASes present in the Internet Routing Table: 3088
APNIC Prefixes per ASN: 17.90
APNIC Region origin ASes announcing only one prefix: 802
APNIC Region transit ASes present in the Internet Routing Table: 473
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 322970836
Equivalent to 19 /8s, 64 /16s and 36 /24s
Percentage of available APNIC address space announced: 80.0
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: 112762
Total ARIN prefixes after maximum aggregation: 64030
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83190
Unique aggregates announced from the ARIN address blocks: 32518
ARIN Region origin ASes present in the Internet Routing Table: 11935
ARIN Prefixes per ASN: 6.97
ARIN Region origin ASes announcing only one prefix: 4589
ARIN Region transit ASes present in the Internet Routing Table: 1170
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 349712672
Equivalent to 20 /8s, 216 /16s and 49 /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: 50274
Total RIPE prefixes after maximum aggregation: 31879
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 47245
Unique aggregates announced from the RIPE address blocks: 30474
RIPE Region origin ASes present in the Internet Routing Table: 10448
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5524
RIPE Region transit ASes present in the Internet Routing Table: 1659
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 334299680
Equivalent to 19 /8s, 237 /16s and 2 /24s
Percentage of available RIPE address space announced: 76.6
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: 17593
Total LACNIC prefixes after maximum aggregation: 4553
LACNIC Deaggregation factor: 3.86
Prefixes being announced from the LACNIC address blocks: 15588
Unique aggregates announced from the LACNIC address blocks: 8631
LACNIC Region origin ASes present in the Internet Routing Table: 869
LACNIC Prefixes per ASN: 17.94
LACNIC Region origin ASes announcing only one prefix: 278
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 44842240
Equivalent to 2 /8s, 172 /16s and 61 /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: 3334
Total AfriNIC prefixes after maximum aggregation: 1100
AfriNIC Deaggregation factor: 3.03
Prefixes being announced from the AfriNIC address blocks: 2405
Unique aggregates announced from the AfriNIC address blocks: 1398
AfriNIC Region origin ASes present in the Internet Routing Table: 215
AfriNIC Prefixes per ASN: 11.19
AfriNIC Region origin ASes announcing only one prefix: 72
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: 14
Number of AfriNIC addresses announced to Internet: 7634432
Equivalent to 0 /8s, 116 /16s and 126 /24s
Percentage of available AfriNIC address space announced: 22.8
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 2768 2974 36 China Education and Research
4755 1473 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1118 108 15 Sify Limited
4134 1097 11531 298 CHINANET-BACKBONE
9498 1014 550 68 BHARTI BT INTERNET LTD.
23577 913 34 787 Korea Telecom (ATM-MPLS)
17488 855 55 67 Hathway IP Over Cable Interne
4766 816 5473 327 Korea Telecom (KIX)
7545 722 159 119 TPG Internet Pty Ltd
18101 606 119 51 Reliance Infocom Ltd Internet
1221 594 1951 439 Telstra Pty Ltd
9829 531 1313 10 BSNL National Internet Backbo
4812 523 858 76 China Telecom (Shanghai)
4668 518 68 10 LG-EDS Systems Inc.
4808 508 808 123 CNCGROUP IP network: China169
17676 503 10919 64 Softbank BB Corp.
4802 487 133 141 Wantree Development
7474 456 202 267 SingTel Optus Pty Ltd
9443 442 121 73 Primus Telecommunications
9942 419 74 109 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 471 1903 384 UUNET - Commercial IP service
8551 348 334 33 Bezeq International
9116 334 168 28 Goldenlines main autonomous s
3301 317 1441 294 TeliaNet Sweden
3320 315 6035 262 Deutsche Telekom AG
1273 280 306 105 Cable & Wireless Deutschland
6746 274 129 251 Dynamic Network Technologies,
8708 271 421 243 Romania Data Systems S.A.
8866 268 62 25 Bulgarian Telecommunication C
680 266 2045 254 DFN-IP service G-WiN
3215 264 2504 99 France Telecom Transpac
8220 259 445 239 COLT Telecommunications
5089 236 1658 54 NTL Group Limited
3352 232 1916 40 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
8452 220 188 7 TEDATA
9121 213 1442 25 TTnet Autonomous System
3300 209 172 97 AUCS Communications Services
1257 207 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 1489 6137 995 AT&T WorldNet Services
4323 1346 1009 358 Time Warner Telecom
2386 1240 614 762 AT&T Data Communications Serv
11492 1156 117 39 Cable One
6478 1115 328 197 AT&T Worldnet Services
6197 1032 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 994 6803 847 Cogent Communications
7011 967 289 558 Citizens Utilities
701 884 6557 692 UUNET Technologies, Inc.
20115 846 773 464 Charter Communications
3561 816 2325 379 Savvis
22773 800 2133 54 Cox Communications, Inc.
1239 798 2713 558 Sprint
19262 795 2853 186 Verizon Global Networks
3356 754 10891 395 Level 3 Communications, LLC
209 717 3782 561 Qwest
5668 663 176 17 CenturyTel Internet Holdings,
15270 605 161 39 PaeTec.net -a division of Pae
577 593 843 208 Bell Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1473 1406 Videsh Sanchar Nigam Ltd. Aut
11492 1156 1117 Cable One
9583 1118 1103 Sify Limited
18566 1028 1019 Covad Communications
4323 1346 988 Time Warner Telecom
9498 1014 946 BHARTI BT INTERNET LTD.
6478 1115 918 AT&T Worldnet Services
8151 1054 839 UniNet S.A. de C.V.
4134 1097 799 CHINANET-BACKBONE
17488 855 788 Hathway IP Over Cable Interne
22773 800 746 Cox Communications, Inc.
5668 663 646 CenturyTel Internet Holdings,
19262 795 609 Verizon Global Networks
7545 722 603 TPG Internet Pty Ltd
15270 605 566 PaeTec.net -a division of Pae
18101 606 555 Reliance Infocom Ltd Internet
6517 586 553 Yipes Communications, Inc.
6197 1032 524 BellSouth Network Solutions,
19916 569 522 OLM LLC
9829 531 521 BSNL National Internet Backbo
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
64635 PRIVATE 148.147.0.0/16 18676 Avaya Inc.
64626 PRIVATE 155.184.0.0/16 18676 Avaya Inc.
65016 PRIVATE 155.248.0.0/16 5483 Hungarian Telecom
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
65535 PRIVATE 200.62.98.0/24 7137 TELEMATIX/ ENITEL
65511 PRIVATE 209.251.149.0/24 10674 GRUCom
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net
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 /12:135
/13:274 /14:486 /15:956 /16:9806 /17:4262 /18:6803
/19:14772 /20:17693 /21:15823 /22:20186 /23:21213 /24:126547
/25:903 /26:1123 /27:629 /28:273 /29:194 /30:264
/31:0 /32:71
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1148 1156 Cable One
6478 1114 1115 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 953 1118 Sify Limited
4538 932 2768 China Education and Research
2386 931 1240 AT&T Data Communications Serv
23577 904 913 Korea Telecom (ATM-MPLS)
7011 854 967 Citizens Utilities
4755 844 1473 Videsh Sanchar Nigam Ltd. Aut
7018 820 1489 AT&T WorldNet Services
6197 776 1032 BellSouth Network Solutions,
9498 700 1014 BHARTI BT INTERNET LTD.
17488 674 855 Hathway IP Over Cable Interne
4766 607 816 Korea Telecom (KIX)
15270 568 605 PaeTec.net -a division of Pae
4323 567 1346 Time Warner Telecom
19916 564 569 OLM LLC
6517 541 586 Yipes Communications, Inc.
5668 521 663 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:88 12:1813 13:1 15:19 16:3
17:5 18:13 20:36 24:1012 25:1 32:174
33:3 38:358 40:64 41:347 43:6 44:2
47:8 52:3 55:3 56:3 57:38 58:507
59:425 60:380 61:988 62:990 63:1996 64:3384
65:2433 66:3634 67:847 68:678 69:2005 70:482
71:121 72:1414 73:6 74:738 75:320 76:157
77:413 78:248 79:4 80:869 81:801 82:602
83:359 84:640 85:831 86:350 87:578 88:284
89:1044 90:38 91:693 92:4 96:1 97:6
98:9 116:419 117:205 118:39 121:327 122:636
123:204 124:704 125:1042 128:277 129:196 130:138
131:367 132:61 133:9 134:193 135:34 136:187
137:86 138:156 139:104 140:509 141:145 142:371
143:254 144:317 145:46 146:328 147:130 148:533
149:188 150:114 151:137 152:92 153:121 154:12
155:261 156:162 157:224 158:160 159:195 160:142
161:99 162:189 163:184 164:502 165:401 166:302
167:308 168:497 169:126 170:407 171:22 172:3
189:118 190:1207 192:5749 193:4021 194:3284 195:2560
196:1001 198:3886 199:3227 200:5252 201:1233 202:7826
203:7874 204:3989 205:2011 206:2444 207:2826 208:2944
209:3622 210:2801 211:1206 212:1365 213:1546 214:416
215:44 216:4162 217:1197 218:388 219:460 220:1014
221:413 222:309
End of report
