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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 25 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/2007/10/25
Analysis Summary
----------------
BGP routing table entries examined: 241966
Prefixes after maximum aggregation: 122836
Deaggregation factor: 1.97
Unique aggregates announced to Internet: 114920
Total ASes present in the Internet Routing Table: 26592
Prefixes per ASN: 9.10
Origin-only ASes present in the Internet Routing Table: 23116
Origin ASes announcing only one prefix: 11242
Transit ASes present in the Internet Routing Table: 3476
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 3.4
Max AS path length visible: 27
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 50
Unregistered ASNs in the Routing Table: 18
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1798394940
Equivalent to 107 /8s, 49 /16s and 84 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.8
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 112499
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58323
Total APNIC prefixes after maximum aggregation: 21314
APNIC Deaggregation factor: 2.74
Prefixes being announced from the APNIC address blocks: 55147
Unique aggregates announced from the APNIC address blocks: 22967
APNIC Region origin ASes present in the Internet Routing Table: 3087
APNIC Prefixes per ASN: 17.86
APNIC Region origin ASes announcing only one prefix: 807
APNIC Region transit ASes present in the Internet Routing Table: 470
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 321812180
Equivalent to 19 /8s, 46 /16s and 118 /24s
Percentage of available APNIC address space announced: 79.7
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: 112509
Total ARIN prefixes after maximum aggregation: 63941
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 82986
Unique aggregates announced from the ARIN address blocks: 32439
ARIN Region origin ASes present in the Internet Routing Table: 11909
ARIN Prefixes per ASN: 6.97
ARIN Region origin ASes announcing only one prefix: 4561
ARIN Region transit ASes present in the Internet Routing Table: 1123
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 349606944
Equivalent to 20 /8s, 214 /16s and 148 /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: 50682
Total RIPE prefixes after maximum aggregation: 31899
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 47158
Unique aggregates announced from the RIPE address blocks: 30417
RIPE Region origin ASes present in the Internet Routing Table: 10438
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5526
RIPE Region transit ASes present in the Internet Routing Table: 1651
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 333986080
Equivalent to 19 /8s, 232 /16s and 57 /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: 17577
Total LACNIC prefixes after maximum aggregation: 4601
LACNIC Deaggregation factor: 3.82
Prefixes being announced from the LACNIC address blocks: 15509
Unique aggregates announced from the LACNIC address blocks: 8649
LACNIC Region origin ASes present in the Internet Routing Table: 873
LACNIC Prefixes per ASN: 17.77
LACNIC Region origin ASes announcing only one prefix: 280
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 44804864
Equivalent to 2 /8s, 171 /16s and 171 /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: 2818
Total AfriNIC prefixes after maximum aggregation: 1067
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 2390
Unique aggregates announced from the AfriNIC address blocks: 1386
AfriNIC Region origin ASes present in the Internet Routing Table: 211
AfriNIC Prefixes per ASN: 11.33
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: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7624448
Equivalent to 0 /8s, 116 /16s and 87 /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 2769 2974 36 China Education and Research
4755 1471 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1116 81 417 Sify Limited
4134 1098 11539 299 CHINANET-BACKBONE
9498 1008 550 67 BHARTI BT INTERNET LTD.
23577 918 34 790 Korea Telecom (ATM-MPLS)
17488 851 55 64 Hathway IP Over Cable Interne
4766 818 5473 327 Korea Telecom (KIX)
7545 723 159 120 TPG Internet Pty Ltd
18101 608 119 52 Reliance Infocom Ltd Internet
1221 594 1951 438 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 523 858 76 China Telecom (Shanghai)
4668 518 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 489 784 114 CNCGROUP IP network: China169
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
702 474 1920 387 UUNET - Commercial IP service
24863 374 58 38 LINKdotNET AS number
8551 349 334 33 Bezeq International
9116 341 168 28 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 316 6035 263 Deutsche Telekom AG
1273 278 306 105 Cable & Wireless Deutschland
6746 277 130 253 Dynamic Network Technologies,
8708 271 421 243 Romania Data Systems S.A.
680 269 2045 257 DFN-IP service G-WiN
8866 267 62 24 Bulgarian Telecommunication C
3215 263 2488 99 France Telecom Transpac
8220 256 444 237 COLT Telecommunications
5089 235 1658 54 NTL Group Limited
3352 232 1916 40 Ibernet, Internet Access Netw
3269 227 2933 74 TELECOM ITALIA
3300 209 172 98 AUCS Communications Services
1257 207 1194 176 SWIPnet Swedish IP Network
9121 203 1442 25 TTnet Autonomous System
3292 199 1380 177 TDC Tele Danmark
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1500 10253 1001 AT&T WorldNet Services
4323 1344 1006 357 Time Warner Telecom
2386 1241 614 762 AT&T Data Communications Serv
11492 1157 116 33 Cable One
6478 1114 328 197 AT&T Worldnet Services
6197 1031 718 513 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 990 6786 843 Cogent Communications
7011 958 289 559 Citizens Utilities
701 884 6591 695 UUNET Technologies, Inc.
20115 849 774 458 Charter Communications
3561 834 2343 392 Savvis
22773 798 2133 54 Cox Communications, Inc.
19262 791 2849 182 Verizon Global Networks
1239 783 2695 546 Sprint
3356 747 10890 393 Level 3 Communications, LLC
209 731 3783 573 Qwest
5668 663 176 17 CenturyTel Internet Holdings,
577 599 843 208 Bell Advanced Communications
15270 599 161 39 PaeTec.net -a division of Pae
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1471 1404 Videsh Sanchar Nigam Ltd. Aut
11492 1157 1124 Cable One
18566 1028 1019 Covad Communications
4323 1344 987 Time Warner Telecom
9498 1008 941 BHARTI BT INTERNET LTD.
6478 1114 917 AT&T Worldnet Services
8151 1052 839 UniNet S.A. de C.V.
4134 1098 799 CHINANET-BACKBONE
17488 851 787 Hathway IP Over Cable Interne
22773 798 744 Cox Communications, Inc.
9583 1116 699 Sify Limited
5668 663 646 CenturyTel Internet Holdings,
19262 791 609 Verizon Global Networks
7545 723 603 TPG Internet Pty Ltd
15270 599 560 PaeTec.net -a division of Pae
18101 608 556 Reliance Infocom Ltd Internet
6517 591 555 Yipes Communications, Inc.
19916 569 522 OLM LLC
9829 530 521 BSNL National Internet Backbo
6197 1031 518 BellSouth Network Solutions,
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
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
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
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
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 /8:19 /9:9 /10:16 /11:38 /12:135
/13:274 /14:484 /15:954 /16:9791 /17:4236 /18:6813
/19:14762 /20:17666 /21:15806 /22:20158 /23:21113 /24:126246
/25:896 /26:1118 /27:625 /28:276 /29:195 /30:265
/31:0 /32:71
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1149 1157 Cable One
6478 1113 1114 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 960 1116 Sify Limited
2386 932 1241 AT&T Data Communications Serv
4538 932 2769 China Education and Research
23577 909 918 Korea Telecom (ATM-MPLS)
7011 845 958 Citizens Utilities
4755 840 1471 Videsh Sanchar Nigam Ltd. Aut
7018 819 1500 AT&T WorldNet Services
6197 775 1031 BellSouth Network Solutions,
9498 695 1008 BHARTI BT INTERNET LTD.
17488 674 851 Hathway IP Over Cable Interne
4766 608 818 Korea Telecom (KIX)
4323 567 1344 Time Warner Telecom
19916 564 569 OLM LLC
15270 562 599 PaeTec.net -a division of Pae
6517 546 591 Yipes Communications, Inc.
5668 521 663 CenturyTel Internet Holdings,
18101 509 608 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:87 12:1817 13:1 15:19 16:3
17:5 18:13 20:36 24:1007 25:1 32:174
33:3 38:356 40:64 41:344 43:6 44:2
45:2 47:8 52:3 55:3 56:3 57:42
58:505 59:425 60:380 61:989 62:976 63:1997
64:3384 65:2428 66:3616 67:834 68:677 69:2001
70:478 71:121 72:1413 73:6 74:731 75:318
76:153 77:404 78:224 79:2 80:868 81:804
82:604 83:364 84:603 85:839 86:348 87:581
88:286 89:1043 90:37 91:677 92:3 96:1
97:6 98:9 116:418 117:204 118:40 121:321
122:614 123:205 124:701 125:1040 128:276 129:196
130:134 131:369 132:61 133:9 134:194 135:34
136:188 137:86 138:156 139:104 140:507 141:151
142:372 143:254 144:317 145:46 146:327 147:130
148:547 149:189 150:114 151:137 152:92 153:121
154:12 155:261 156:161 157:224 158:160 159:199
160:139 161:98 162:183 163:184 164:501 165:399
166:302 167:308 168:501 169:126 170:399 171:22
172:3 189:115 190:1180 192:5743 193:4020 194:3290
195:2568 196:998 198:3884 199:3232 200:5225 201:1231
202:7804 203:7851 204:3980 205:2021 206:2440 207:2832
208:2931 209:3602 210:2772 211:1208 212:1368 213:1548
214:418 215:44 216:4146 217:1241 218:387 219:458
220:1010 221:413 222:308
End of report
