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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 14 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/2007/10/14
Analysis Summary
----------------
BGP routing table entries examined: 240803
Prefixes after maximum aggregation: 122525
Deaggregation factor: 1.97
Unique aggregates announced to Internet: 114408
Total ASes present in the Internet Routing Table: 26557
Prefixes per ASN: 9.07
Origin-only ASes present in the Internet Routing Table: 23002
Origin ASes announcing only one prefix: 11249
Transit ASes present in the Internet Routing Table: 3555
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 28
Max AS path prepend of ASN (35412) 22
Prefixes from unregistered ASNs in the Routing Table: 50
Unregistered ASNs in the Routing Table: 19
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1792755436
Equivalent to 106 /8s, 219 /16s and 70 /24s
Percentage of available address space announced: 48.4
Percentage of allocated address space announced: 62.6
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 111557
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58125
Total APNIC prefixes after maximum aggregation: 21294
APNIC Deaggregation factor: 2.73
Prefixes being announced from the APNIC address blocks: 54983
Unique aggregates announced from the APNIC address blocks: 22927
APNIC Region origin ASes present in the Internet Routing Table: 3085
APNIC Prefixes per ASN: 17.82
APNIC Region origin ASes announcing only one prefix: 819
APNIC Region transit ASes present in the Internet Routing Table: 479
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 321213684
Equivalent to 19 /8s, 37 /16s and 84 /24s
Percentage of available APNIC address space announced: 79.6
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: 112172
Total ARIN prefixes after maximum aggregation: 63933
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 82679
Unique aggregates announced from the ARIN address blocks: 32256
ARIN Region origin ASes present in the Internet Routing Table: 11937
ARIN Prefixes per ASN: 6.93
ARIN Region origin ASes announcing only one prefix: 4590
ARIN Region transit ASes present in the Internet Routing Table: 1168
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 348688544
Equivalent to 20 /8s, 200 /16s and 144 /24s
Percentage of available ARIN address space announced: 77.0
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: 50287
Total RIPE prefixes after maximum aggregation: 31641
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 46762
Unique aggregates announced from the RIPE address blocks: 30233
RIPE Region origin ASes present in the Internet Routing Table: 10373
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5494
RIPE Region transit ASes present in the Internet Routing Table: 1664
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 330356768
Equivalent to 19 /8s, 176 /16s and 216 /24s
Percentage of available RIPE address space announced: 75.7
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: 17340
Total LACNIC prefixes after maximum aggregation: 4574
LACNIC Deaggregation factor: 3.79
Prefixes being announced from the LACNIC address blocks: 15275
Unique aggregates announced from the LACNIC address blocks: 8616
LACNIC Region origin ASes present in the Internet Routing Table: 875
LACNIC Prefixes per ASN: 17.46
LACNIC Region origin ASes announcing only one prefix: 279
LACNIC Region transit ASes present in the Internet Routing Table: 156
Average LACNIC Region AS path length visible: 5.7
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 44429824
Equivalent to 2 /8s, 165 /16s and 242 /24s
Percentage of available LACNIC address space announced: 44.1
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: 2821
Total AfriNIC prefixes after maximum aggregation: 1067
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 2381
Unique aggregates announced from the AfriNIC address blocks: 1378
AfriNIC Region origin ASes present in the Internet Routing Table: 209
AfriNIC Prefixes per ASN: 11.39
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 7608576
Equivalent to 0 /8s, 116 /16s and 25 /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 2757 2974 36 China Education and Research
4755 1442 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1123 81 415 Sify Limited
4134 1095 11484 297 CHINANET-BACKBONE
9498 1010 550 68 BHARTI BT INTERNET LTD.
23577 926 34 792 Korea Telecom (ATM-MPLS)
17488 825 54 66 Hathway IP Over Cable Interne
4766 811 5442 321 Korea Telecom (KIX)
7545 739 159 118 TPG Internet Pty Ltd
18101 604 119 52 Reliance Infocom Ltd Internet
1221 588 1950 434 Telstra Pty Ltd
4802 575 132 144 Wantree Development
4812 548 974 94 China Telecom (Shanghai)
9829 531 1313 10 BSNL National Internet Backbo
4668 518 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 489 789 117 CNCGROUP IP network: China169
7474 455 217 267 SingTel Optus Pty Ltd
9443 455 121 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 1918 384 UUNET - Commercial IP service
24863 370 57 36 LINKdotNET AS number
8551 352 334 33 Bezeq International
9116 350 168 27 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
6746 291 131 267 Dynamic Network Technologies,
1273 274 306 104 Cable & Wireless Deutschland
680 269 2045 257 DFN-IP service G-WiN
8708 269 421 242 Romania Data Systems S.A.
8866 265 62 24 Bulgarian Telecommunication C
3215 262 2480 100 France Telecom Transpac
8220 255 444 236 COLT Telecommunications
5089 235 1658 53 NTL Group Limited
3352 225 1898 40 Ibernet, Internet Access Netw
3269 223 2838 72 TELECOM ITALIA
9121 213 1442 25 TTnet Autonomous System
3300 208 172 99 AUCS Communications Services
1257 207 1195 171 SWIPnet Swedish IP Network
2856 196 2303 155 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1480 10235 987 AT&T WorldNet Services
4323 1359 1006 361 Time Warner Telecom
2386 1230 613 751 AT&T Data Communications Serv
11492 1158 114 14 Cable One
6478 1127 330 139 AT&T Worldnet Services
18566 1028 288 9 Covad Communications
6197 1027 690 522 BellSouth Network Solutions,
7011 958 289 557 Citizens Utilities
174 952 6713 826 Cogent Communications
701 863 6571 673 UUNET Technologies, Inc.
20115 835 765 446 Charter Communications
1239 798 2704 557 Sprint
22773 793 2133 54 Cox Communications, Inc.
19262 782 2823 180 Verizon Global Networks
577 715 845 203 Bell Advanced Communications
209 712 3769 555 Qwest
3356 674 10804 366 Level 3 Communications, LLC
5668 658 176 23 CenturyTel Internet Holdings,
852 591 1077 357 Telus Advanced Communications
6517 589 165 37 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1442 1375 Videsh Sanchar Nigam Ltd. Aut
11492 1158 1144 Cable One
18566 1028 1019 Covad Communications
4323 1359 998 Time Warner Telecom
6478 1127 988 AT&T Worldnet Services
9498 1010 942 BHARTI BT INTERNET LTD.
8151 1030 825 UniNet S.A. de C.V.
4134 1095 798 CHINANET-BACKBONE
17488 825 759 Hathway IP Over Cable Interne
22773 793 739 Cox Communications, Inc.
9583 1123 708 Sify Limited
5668 658 635 CenturyTel Internet Holdings,
7545 739 621 TPG Internet Pty Ltd
19262 782 602 Verizon Global Networks
18101 604 552 Reliance Infocom Ltd Internet
6517 589 552 Yipes Communications, Inc.
15270 585 546 PaeTec.net -a division of Pae
9829 531 521 BSNL National Internet Backbo
19916 568 517 OLM LLC
577 715 512 Bell Advanced Communications
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
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
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
64540 PRIVATE 195.47.75.64/28 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
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
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
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
172.11.12.0/24 1803 SPRINT
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
/13:271 /14:483 /15:943 /16:9768 /17:4208 /18:6820
/19:14607 /20:17575 /21:15694 /22:20096 /23:20974 /24:125708
/25:896 /26:1121 /27:627 /28:264 /29:195 /30:266
/31:0 /32:71
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1150 1158 Cable One
6478 1126 1127 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 967 1123 Sify Limited
4538 926 2757 China Education and Research
2386 921 1230 AT&T Data Communications Serv
23577 917 926 Korea Telecom (ATM-MPLS)
7011 845 958 Citizens Utilities
4755 812 1442 Videsh Sanchar Nigam Ltd. Aut
7018 812 1480 AT&T WorldNet Services
6197 773 1027 BellSouth Network Solutions,
9498 692 1010 BHARTI BT INTERNET LTD.
17488 644 825 Hathway IP Over Cable Interne
4766 609 811 Korea Telecom (KIX)
4323 579 1359 Time Warner Telecom
19916 563 568 OLM LLC
15270 548 585 PaeTec.net -a division of Pae
6517 543 589 Yipes Communications, Inc.
5668 518 658 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 15:20 16:3
17:5 18:13 20:36 24:1002 25:1 32:177
33:3 38:355 40:61 41:326 43:6 44:2
47:8 52:3 55:3 56:3 57:42 58:498
59:425 60:377 61:987 62:980 63:1997 64:3306
65:2433 66:3556 67:844 68:679 69:1999 70:475
71:125 72:1393 73:6 74:715 75:307 76:146
77:389 78:243 79:5 80:866 81:800 82:599
83:374 84:641 85:831 86:349 87:559 88:287
89:1025 90:37 91:626 96:1 97:6 98:4
101:1 116:375 117:196 118:39 121:321 122:614
123:202 124:691 125:1033 128:275 129:196 130:137
131:368 132:60 133:9 134:193 135:34 136:188
137:87 138:156 139:108 140:414 141:171 142:381
143:253 144:318 145:46 146:334 147:129 148:544
149:188 150:112 151:157 152:92 153:121 154:12
155:256 156:161 157:221 158:158 159:196 160:134
161:101 162:174 163:183 164:500 165:399 166:302
167:305 168:496 169:125 170:398 171:22 172:3
189:92 190:1123 192:5776 193:3996 194:3276 195:2573
196:1019 198:3886 199:3242 200:5226 201:1222 202:7817
203:7954 204:3997 205:2017 206:2487 207:2885 208:2906
209:3511 210:2769 211:1212 212:1295 213:1537 214:410
215:45 216:4106 217:1210 218:387 219:453 220:1001
221:414 222:306
End of report
