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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 21 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/2007/10/21
Analysis Summary
----------------
BGP routing table entries examined: 241959
Prefixes after maximum aggregation: 122439
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 113794
Total ASes present in the Internet Routing Table: 26586
Prefixes per ASN: 9.10
Origin-only ASes present in the Internet Routing Table: 23109
Origin ASes announcing only one prefix: 11229
Transit ASes present in the Internet Routing Table: 3477
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 29
Max AS path prepend of ASN (35412) 22
Prefixes from unregistered ASNs in the Routing Table: 45
Unregistered ASNs in the Routing Table: 16
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: 1798359868
Equivalent to 107 /8s, 48 /16s and 203 /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: 112316
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58394
Total APNIC prefixes after maximum aggregation: 20899
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 55218
Unique aggregates announced from the APNIC address blocks: 21918
APNIC Region origin ASes present in the Internet Routing Table: 3090
APNIC Prefixes per ASN: 17.87
APNIC Region origin ASes announcing only one prefix: 812
APNIC Region transit ASes present in the Internet Routing Table: 468
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 322271188
Equivalent to 19 /8s, 53 /16s and 119 /24s
Percentage of available APNIC address space announced: 79.8
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: 112548
Total ARIN prefixes after maximum aggregation: 64048
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 82957
Unique aggregates announced from the ARIN address blocks: 32353
ARIN Region origin ASes present in the Internet Routing Table: 11917
ARIN Prefixes per ASN: 6.96
ARIN Region origin ASes announcing only one prefix: 4561
ARIN Region transit ASes present in the Internet Routing Table: 1137
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 349350432
Equivalent to 20 /8s, 210 /16s and 170 /24s
Percentage of available ARIN address space announced: 77.1
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: 50689
Total RIPE prefixes after maximum aggregation: 31841
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 47163
Unique aggregates announced from the RIPE address blocks: 30423
RIPE Region origin ASes present in the Internet Routing Table: 10424
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5510
RIPE Region transit ASes present in the Internet Routing Table: 1646
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 29
Number of RIPE addresses announced to Internet: 333916448
Equivalent to 19 /8s, 231 /16s and 41 /24s
Percentage of available RIPE address space announced: 76.5
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: 17470
Total LACNIC prefixes after maximum aggregation: 4571
LACNIC Deaggregation factor: 3.82
Prefixes being announced from the LACNIC address blocks: 15421
Unique aggregates announced from the LACNIC address blocks: 8639
LACNIC Region origin ASes present in the Internet Routing Table: 873
LACNIC Prefixes per ASN: 17.66
LACNIC Region origin ASes announcing only one prefix: 278
LACNIC Region transit ASes present in the Internet Routing Table: 151
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 44481024
Equivalent to 2 /8s, 166 /16s and 186 /24s
Percentage of available LACNIC address space announced: 44.2
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: 2805
Total AfriNIC prefixes after maximum aggregation: 1064
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 2385
Unique aggregates announced from the AfriNIC address blocks: 1383
AfriNIC Region origin ASes present in the Internet Routing Table: 209
AfriNIC Prefixes per ASN: 11.41
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: 4.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 7618816
Equivalent to 0 /8s, 116 /16s and 65 /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 2760 2974 36 China Education and Research
4755 1470 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1127 108 16 Sify Limited
4134 1100 11540 300 CHINANET-BACKBONE
9498 1009 550 67 BHARTI BT INTERNET LTD.
23577 924 34 790 Korea Telecom (ATM-MPLS)
17488 850 55 63 Hathway IP Over Cable Interne
4766 809 5442 321 Korea Telecom (KIX)
7545 734 159 118 TPG Internet Pty Ltd
18101 608 119 53 Reliance Infocom Ltd Internet
1221 591 1950 436 Telstra Pty Ltd
4802 572 133 141 Wantree Development
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 490 789 117 CNCGROUP IP network: China169
7474 456 218 268 SingTel Optus Pty Ltd
9443 441 121 73 Primus Telecommunications
9942 420 74 110 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 474 1920 387 UUNET - Commercial IP service
24863 372 58 36 LINKdotNET AS number
8551 347 334 33 Bezeq International
9116 341 168 27 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
1273 280 306 105 Cable & Wireless Deutschland
6746 278 130 254 Dynamic Network Technologies,
8708 271 421 243 Romania Data Systems S.A.
680 269 2045 257 DFN-IP service G-WiN
8866 265 62 24 Bulgarian Telecommunication C
3215 263 2488 99 France Telecom Transpac
8220 255 444 236 COLT Telecommunications
5089 236 1658 54 NTL Group Limited
3352 232 1914 41 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
9121 213 1442 25 TTnet Autonomous System
3300 209 172 98 AUCS Communications Services
1257 207 1194 176 SWIPnet Swedish IP Network
3246 197 257 184 Song Networks
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1494 10252 996 AT&T WorldNet Services
4323 1364 1006 358 Time Warner Telecom
2386 1238 628 747 AT&T Data Communications Serv
11492 1155 116 16 Cable One
6478 1117 329 169 AT&T Worldnet Services
6197 1031 718 513 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 977 6786 840 Cogent Communications
7011 961 290 558 Citizens Utilities
701 878 6574 686 UUNET Technologies, Inc.
20115 837 765 447 Charter Communications
1239 808 2730 563 Sprint
22773 797 2133 54 Cox Communications, Inc.
19262 786 2846 177 Verizon Global Networks
209 746 3793 586 Qwest
3356 730 10858 388 Level 3 Communications, LLC
577 716 845 204 Bell Advanced Communications
5668 661 176 17 CenturyTel Internet Holdings,
852 596 1107 362 Telus Advanced Communications
6517 590 165 37 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1470 1403 Videsh Sanchar Nigam Ltd. Aut
11492 1155 1139 Cable One
9583 1127 1111 Sify Limited
18566 1028 1019 Covad Communications
4323 1364 1006 Time Warner Telecom
6478 1117 948 AT&T Worldnet Services
9498 1009 942 BHARTI BT INTERNET LTD.
8151 1042 831 UniNet S.A. de C.V.
4134 1100 800 CHINANET-BACKBONE
17488 850 787 Hathway IP Over Cable Interne
22773 797 743 Cox Communications, Inc.
5668 661 644 CenturyTel Internet Holdings,
7545 734 616 TPG Internet Pty Ltd
19262 786 609 Verizon Global Networks
18101 608 555 Reliance Infocom Ltd Internet
6517 590 553 Yipes Communications, Inc.
15270 590 551 PaeTec.net -a division of Pae
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
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
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
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
/13:273 /14:484 /15:948 /16:9800 /17:4233 /18:6805
/19:14734 /20:17635 /21:15768 /22:20214 /23:21108 /24:126300
/25:898 /26:1126 /27:624 /28:262 /29:194 /30:265
/31:0 /32:71
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1146 1155 Cable One
6478 1116 1117 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 962 1127 Sify Limited
2386 928 1238 AT&T Data Communications Serv
4538 928 2760 China Education and Research
23577 915 924 Korea Telecom (ATM-MPLS)
7011 848 961 Citizens Utilities
4755 838 1470 Videsh Sanchar Nigam Ltd. Aut
7018 817 1494 AT&T WorldNet Services
6197 775 1031 BellSouth Network Solutions,
9498 693 1009 BHARTI BT INTERNET LTD.
17488 673 850 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 581 1364 Time Warner Telecom
19916 564 569 OLM LLC
15270 553 590 PaeTec.net -a division of Pae
6517 544 590 Yipes Communications, Inc.
5668 521 661 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:85 12:1812 13:1 15:19 16:3
17:5 18:13 20:36 24:1003 25:1 32:171
33:3 38:356 40:64 41:341 43:6 44:2
47:8 52:3 55:3 56:3 57:42 58:503
59:425 60:379 61:991 62:986 63:2000 64:3327
65:2434 66:3582 67:842 68:678 69:2016 70:480
71:120 72:1415 73:6 74:727 75:318 76:151
77:396 78:251 80:867 81:804 82:600 83:369
84:631 85:840 86:350 87:584 88:291 89:1063
90:39 91:669 92:3 96:1 97:6 98:6
116:412 117:199 118:40 121:323 122:614 123:202
124:696 125:1037 128:275 129:196 130:136 131:366
132:60 133:9 134:193 135:34 136:188 137:86
138:157 139:107 140:507 141:150 142:380 143:252
144:316 145:46 146:336 147:130 148:548 149:189
150:114 151:137 152:92 153:121 154:12 155:262
156:161 157:222 158:160 159:197 160:137 161:101
162:180 163:184 164:500 165:399 166:302 167:307
168:486 169:125 170:399 171:22 172:3 189:101
190:1171 192:5760 193:4025 194:3291 195:2571 196:999
198:3892 199:3245 200:5224 201:1235 202:7808 203:7981
204:3995 205:2017 206:2489 207:2882 208:2916 209:3518
210:2765 211:1208 212:1351 213:1538 214:419 215:44
216:4126 217:1218 218:387 219:457 220:1001 221:414
222:307
End of report
