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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 10 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/2007/09/10
Analysis Summary
----------------
BGP routing table entries examined: 235868
Prefixes after maximum aggregation: 121333
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 112230
Total ASes present in the Internet Routing Table: 26208
Prefixes per ASN: 9.00
Origin-only ASes present in the Internet Routing Table: 22717
Origin ASes announcing only one prefix: 11053
Transit ASes present in the Internet Routing Table: 3491
Transit-only ASes present in the Internet Routing Table: 86
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 31
Max AS path prepend of ASN (16327) 25
Prefixes from unregistered ASNs in the Routing Table: 40
Unregistered ASNs in the Routing Table: 25
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1758581636
Equivalent to 104 /8s, 209 /16s and 211 /24s
Percentage of available address space announced: 47.4
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 125610
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56213
Total APNIC prefixes after maximum aggregation: 21189
APNIC Deaggregation factor: 2.65
Prefixes being announced from the APNIC address blocks: 53045
Unique aggregates announced from the APNIC address blocks: 22581
APNIC Region origin ASes present in the Internet Routing Table: 3055
APNIC Prefixes per ASN: 17.36
APNIC Region origin ASes announcing only one prefix: 808
APNIC Region transit ASes present in the Internet Routing Table: 464
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 313525172
Equivalent to 18 /8s, 176 /16s and 3 /24s
Percentage of available APNIC address space announced: 77.7
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: 110803
Total ARIN prefixes after maximum aggregation: 63457
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 81392
Unique aggregates announced from the ARIN address blocks: 31941
ARIN Region origin ASes present in the Internet Routing Table: 11800
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 4489
ARIN Region transit ASes present in the Internet Routing Table: 1140
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 344070496
Equivalent to 20 /8s, 130 /16s and 25 /24s
Percentage of available ARIN address space announced: 76.0
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: 49182
Total RIPE prefixes after maximum aggregation: 31139
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 45637
Unique aggregates announced from the RIPE address blocks: 29603
RIPE Region origin ASes present in the Internet Routing Table: 10197
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5407
RIPE Region transit ASes present in the Internet Routing Table: 1651
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 326855744
Equivalent to 19 /8s, 123 /16s and 108 /24s
Percentage of available RIPE address space announced: 74.9
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
40960-44031
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: 16784
Total LACNIC prefixes after maximum aggregation: 4476
LACNIC Deaggregation factor: 3.75
Prefixes being announced from the LACNIC address blocks: 14882
Unique aggregates announced from the LACNIC address blocks: 7856
LACNIC Region origin ASes present in the Internet Routing Table: 863
LACNIC Prefixes per ASN: 17.24
LACNIC Region origin ASes announcing only one prefix: 280
LACNIC Region transit ASes present in the Internet Routing Table: 146
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 31
Number of LACNIC addresses announced to Internet: 42209536
Equivalent to 2 /8s, 132 /16s and 17 /24s
Percentage of available LACNIC address space announced: 62.9
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: 2844
Total AfriNIC prefixes after maximum aggregation: 1058
AfriNIC Deaggregation factor: 2.69
Prefixes being announced from the AfriNIC address blocks: 2373
Unique aggregates announced from the AfriNIC address blocks: 1331
AfriNIC Region origin ASes present in the Internet Routing Table: 206
AfriNIC Prefixes per ASN: 11.52
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7455488
Equivalent to 0 /8s, 113 /16s and 195 /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 1941 2974 36 China Education and Research
4755 1312 383 70 Videsh Sanchar Nigam Ltd. Aut
9583 1110 80 411 Sify Limited
4134 1075 11220 292 CHINANET-BACKBONE
9498 998 532 63 BHARTI BT INTERNET LTD.
23577 927 34 796 Korea Telecom (ATM-MPLS)
4766 808 5441 320 Korea Telecom (KIX)
17488 795 52 61 Hathway IP Over Cable Interne
7545 726 159 118 TPG Internet Pty Ltd
18101 597 119 51 Reliance Infocom Ltd Internet
1221 587 1950 432 Telstra Pty Ltd
4812 550 971 98 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 479 775 113 CNCGROUP IP network: China169
9443 469 122 78 Primus Telecommunications
7474 455 216 267 SingTel Optus Pty Ltd
4802 440 117 154 Wantree Development
9942 437 74 110 COMindico Australia
17974 376 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 493 1923 395 UUNET - Commercial IP service
24863 366 57 39 LINKdotNET AS number
8551 351 334 33 Bezeq International
9116 349 168 26 Goldenlines main autonomous s
5089 322 1658 54 NTL Group Limited
3301 316 1457 295 TeliaNet Sweden
3320 315 6035 262 Deutsche Telekom AG
1273 289 306 105 Cable & Wireless Deutschland
6746 289 130 265 Dynamic Network Technologies,
680 267 2045 257 DFN-IP service G-WiN
8708 261 420 240 Romania Data Systems S.A.
3215 258 2424 98 France Telecom Transpac
8220 258 444 240 COLT Telecommunications
3352 227 1865 38 Ibernet, Internet Access Netw
3269 223 2839 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
1257 204 1195 169 SWIPnet Swedish IP Network
3300 202 172 96 AUCS Communications Services
3292 195 1379 175 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 1473 10161 989 AT&T WorldNet Services
4323 1321 991 372 Time Warner Telecom
2386 1210 621 742 AT&T Data Communications Serv
11492 1145 112 15 Cable One
6478 1132 325 169 AT&T Worldnet Services
6197 1033 718 509 BellSouth Network Solutions,
18566 1023 288 9 Covad Communications
174 972 6764 860 Cogent Communications
7011 921 278 550 Citizens Utilities
701 871 6573 680 UUNET Technologies, Inc.
20115 816 751 441 Charter Communications
1239 800 2727 565 Sprint
19262 774 2745 183 Verizon Global Networks
22773 766 2149 50 Cox Communications, Inc.
209 747 3836 587 Qwest
577 707 813 202 Bell Advanced Communications
5668 658 176 23 CenturyTel Internet Holdings,
3356 623 10812 352 Level 3 Communications, LLC
852 588 1095 361 Telus Advanced Communications
6517 588 165 34 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1312 1242 Videsh Sanchar Nigam Ltd. Aut
11492 1145 1130 Cable One
18566 1023 1014 Covad Communications
6478 1132 963 AT&T Worldnet Services
4323 1321 949 Time Warner Telecom
9498 998 935 BHARTI BT INTERNET LTD.
4134 1075 783 CHINANET-BACKBONE
17488 795 734 Hathway IP Over Cable Interne
22773 766 716 Cox Communications, Inc.
9583 1110 699 Sify Limited
8151 899 685 UniNet S.A. de C.V.
5668 658 635 CenturyTel Internet Holdings,
7545 726 608 TPG Internet Pty Ltd
19262 774 591 Verizon Global Networks
6517 588 554 Yipes Communications, Inc.
18101 597 546 Reliance Infocom Ltd Internet
15270 574 536 PaeTec.net -a division of Pae
6197 1033 524 BellSouth Network Solutions,
19916 568 517 OLM LLC
4668 516 506 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
43633 UNALLOCATED 91.195.90.0/23 43022 Seech-Infocom NCC
43139 UNALLOCATED 91.196.148.0/22 13307 RIPE Network Coordin
43553 UNALLOCATED 91.197.120.0/22 6849 JSC UKRTELECOM,
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
64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa
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
64514 PRIVATE 194.149.116.176/28 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
41243 UNALLOCATED 195.74.66.0/24 3301 TeliaNet Sweden
64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In
64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa
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
7.1.1.0/24 1239 Sprint
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 /10:15 /11:37 /12:134
/13:266 /14:474 /15:930 /16:9671 /17:4153 /18:6693
/19:14098 /20:16723 /21:15253 /22:19609 /23:20550 /24:123811
/25:878 /26:1141 /27:594 /28:262 /29:193 /30:274
/31:6 /32:76
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1137 1145 Cable One
6478 1131 1132 AT&T Worldnet Services
18566 1005 1023 Covad Communications
9583 952 1110 Sify Limited
23577 918 927 Korea Telecom (ATM-MPLS)
4538 904 1941 China Education and Research
2386 903 1210 AT&T Data Communications Serv
7018 817 1473 AT&T WorldNet Services
7011 814 921 Citizens Utilities
6197 786 1033 BellSouth Network Solutions,
4755 710 1312 Videsh Sanchar Nigam Ltd. Aut
9498 672 998 BHARTI BT INTERNET LTD.
17488 618 795 Hathway IP Over Cable Interne
4766 606 808 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 554 1321 Time Warner Telecom
6517 554 588 Yipes Communications, Inc.
15270 538 574 PaeTec.net -a division of Pae
5668 523 658 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:88 12:1819 13:2 15:19
16:3 17:3 18:13 20:36 24:987 25:1
32:173 33:3 38:346 40:60 41:321 43:6
44:2 47:4 52:4 55:3 56:3 57:42
58:499 59:396 60:369 61:1025 62:983 63:2023
64:3222 65:2424 66:3427 67:813 68:661 69:1990
70:459 71:116 72:1415 73:1 74:648 75:304
76:131 77:334 78:55 79:3 80:846 81:829
82:596 83:367 84:623 85:811 86:342 87:484
88:285 89:988 90:24 91:538 97:6 98:2
116:314 117:180 118:17 121:278 122:606 123:175
124:674 125:988 128:270 129:217 130:139 131:360
132:55 133:9 134:197 135:34 136:189 137:86
138:153 139:106 140:500 141:174 142:401 143:254
144:303 145:46 146:330 147:123 148:407 149:148
150:112 151:159 152:91 153:119 154:4 155:260
156:161 157:219 158:158 159:172 160:116 161:98
162:177 163:182 164:487 165:398 166:287 167:300
168:515 169:122 170:387 171:22 172:2 189:74
190:1082 192:5805 193:4020 194:3261 195:2390 196:1028
198:3893 199:3223 200:5277 201:1190 202:7774 203:7741
204:3956 205:1968 206:2477 207:2966 208:2834 209:3523
210:2767 211:1213 212:1352 213:1489 214:414 215:41
216:3998 217:1204 218:396 219:443 220:1028 221:411
222:306
End of report
