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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 04 Nov, 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/2007/11/04
Analysis Summary
----------------
BGP routing table entries examined: 244757
Prefixes after maximum aggregation: 122799
Deaggregation factor: 1.99
Unique aggregates announced to Internet: 114490
Total ASes present in the Internet Routing Table: 26649
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 23173
Origin ASes announcing only one prefix: 11275
Transit ASes present in the Internet Routing Table: 3476
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 18
Prefixes from unregistered ASNs in the Routing Table: 34
Unregistered ASNs in the Routing Table: 16
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1789255844
Equivalent to 106 /8s, 165 /16s and 224 /24s
Percentage of available address space announced: 48.3
Percentage of allocated address space announced: 61.7
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 114416
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59325
Total APNIC prefixes after maximum aggregation: 20916
APNIC Deaggregation factor: 2.84
Prefixes being announced from the APNIC address blocks: 56122
Unique aggregates announced from the APNIC address blocks: 22022
APNIC Region origin ASes present in the Internet Routing Table: 3085
APNIC Prefixes per ASN: 18.19
APNIC Region origin ASes announcing only one prefix: 796
APNIC Region transit ASes present in the Internet Routing Table: 471
Average APNIC Region AS path length visible: 5.7
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 324029364
Equivalent to 19 /8s, 80 /16s and 75 /24s
Percentage of available APNIC address space announced: 74.1
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, 114/7, 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: 113545
Total ARIN prefixes after maximum aggregation: 64232
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 83860
Unique aggregates announced from the ARIN address blocks: 32612
ARIN Region origin ASes present in the Internet Routing Table: 11938
ARIN Prefixes per ASN: 7.02
ARIN Region origin ASes announcing only one prefix: 4593
ARIN Region transit ASes present in the Internet Routing Table: 1140
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 352193952
Equivalent to 20 /8s, 254 /16s and 13 /24s
Percentage of available ARIN address space announced: 77.7
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: 50506
Total RIPE prefixes after maximum aggregation: 31946
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 47407
Unique aggregates announced from the RIPE address blocks: 30622
RIPE Region origin ASes present in the Internet Routing Table: 10466
RIPE Prefixes per ASN: 4.53
RIPE Region origin ASes announcing only one prefix: 5540
RIPE Region transit ASes present in the Internet Routing Table: 1642
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 335675936
Equivalent to 20 /8s, 2 /16s and 2 /24s
Percentage of available RIPE address space announced: 77.0
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: 17994
Total LACNIC prefixes after maximum aggregation: 4588
LACNIC Deaggregation factor: 3.92
Prefixes being announced from the LACNIC address blocks: 15714
Unique aggregates announced from the LACNIC address blocks: 8741
LACNIC Region origin ASes present in the Internet Routing Table: 870
LACNIC Prefixes per ASN: 18.06
LACNIC Region origin ASes announcing only one prefix: 275
LACNIC Region transit ASes present in the Internet Routing Table: 149
Average LACNIC Region AS path length visible: 6.2
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 45858816
Equivalent to 2 /8s, 187 /16s and 192 /24s
Percentage of available LACNIC address space announced: 45.6
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: 3344
Total AfriNIC prefixes after maximum aggregation: 1099
AfriNIC Deaggregation factor: 3.04
Prefixes being announced from the AfriNIC address blocks: 2447
Unique aggregates announced from the AfriNIC address blocks: 1394
AfriNIC Region origin ASes present in the Internet Routing Table: 213
AfriNIC Prefixes per ASN: 11.49
AfriNIC Region origin ASes announcing only one prefix: 71
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7628544
Equivalent to 0 /8s, 116 /16s and 103 /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 2773 2974 36 China Education and Research
4134 1722 11560 302 CHINANET-BACKBONE
4755 1434 383 66 Videsh Sanchar Nigam Ltd. Aut
9583 1108 108 16 Sify Limited
9498 1038 549 64 BHARTI BT INTERNET LTD.
23577 907 34 785 Korea Telecom (ATM-MPLS)
17488 874 57 69 Hathway IP Over Cable Interne
4766 815 5473 327 Korea Telecom (KIX)
7545 723 159 121 TPG Internet Pty Ltd
18101 609 119 53 Reliance Infocom Ltd Internet
1221 592 1951 436 Telstra Pty Ltd
4812 524 866 77 China Telecom (Shanghai)
9829 524 1312 9 BSNL National Internet Backbo
4668 520 68 10 LG-EDS Systems Inc.
17676 504 10919 64 Softbank BB Corp.
4808 496 794 119 CNCGROUP IP network: China169
4802 487 133 141 Wantree Development
7474 455 202 266 SingTel Optus Pty Ltd
9443 442 121 73 Primus Telecommunications
9942 423 76 112 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 470 1917 383 UUNET - Commercial IP service
8551 348 334 33 Bezeq International
9116 335 168 28 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
1273 283 307 107 Cable & Wireless Deutschland
6746 273 129 251 Dynamic Network Technologies,
8708 273 421 244 Romania Data Systems S.A.
680 268 2045 254 DFN-IP service G-WiN
8866 268 62 25 Bulgarian Telecommunication C
3215 263 2503 98 France Telecom Transpac
8220 255 444 236 COLT Telecommunications
8452 255 188 7 TEDATA
5089 237 1666 54 NTL Group Limited
3352 235 1932 41 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
3300 219 171 95 AUCS Communications Services
9121 213 1442 25 TTnet Autonomous System
1257 207 1195 177 SWIPnet Swedish IP Network
3246 198 257 186 Song Networks
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1494 10233 993 AT&T WorldNet Services
4323 1359 1014 358 Time Warner Telecom
2386 1251 614 773 AT&T Data Communications Serv
11492 1161 119 51 Cable One
6478 1121 329 184 AT&T Worldnet Services
18566 1030 288 9 Covad Communications
6197 1028 690 516 BellSouth Network Solutions,
174 980 6882 845 Cogent Communications
7011 979 290 562 Citizens Utilities
577 934 844 211 Bell Advanced Communications
701 898 6567 704 UUNET Technologies, Inc.
20115 846 772 466 Charter Communications
3561 815 2341 378 Savvis
22773 801 2133 54 Cox Communications, Inc.
1239 793 2681 552 Sprint
19262 793 2844 178 Verizon Global Networks
3356 788 10877 405 Level 3 Communications, LLC
209 732 3784 575 Qwest
5668 663 176 17 CenturyTel Internet Holdings,
852 594 1109 359 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1722 1420 CHINANET-BACKBONE
4755 1434 1368 Videsh Sanchar Nigam Ltd. Aut
11492 1161 1110 Cable One
9583 1108 1092 Sify Limited
18566 1030 1021 Covad Communications
4323 1359 1001 Time Warner Telecom
9498 1038 974 BHARTI BT INTERNET LTD.
6478 1121 937 AT&T Worldnet Services
8151 1148 934 UniNet S.A. de C.V.
17488 874 805 Hathway IP Over Cable Interne
22773 801 747 Cox Communications, Inc.
577 934 723 Bell Advanced Communications
5668 663 646 CenturyTel Internet Holdings,
19262 793 615 Verizon Global Networks
7545 723 602 TPG Internet Pty Ltd
18101 609 556 Reliance Infocom Ltd Internet
6517 586 552 Yipes Communications, Inc.
15270 589 549 PaeTec.net -a division of Pae
19916 569 522 OLM LLC
9829 524 515 BSNL National Internet Backbo
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65500 PRIVATE 68.87.20.0/24 36733 Comcast Cable Commun
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
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
65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In
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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
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 /11:39 /12:136
/13:276 /14:490 /15:962 /16:9823 /17:4285 /18:6875
/19:15014 /20:17762 /21:16008 /22:20643 /23:21404 /24:127361
/25:949 /26:1134 /27:619 /28:281 /29:235 /30:342
/31:0 /32:76
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1152 1161 Cable One
6478 1120 1121 AT&T Worldnet Services
18566 1012 1030 Covad Communications
9583 946 1108 Sify Limited
2386 940 1251 AT&T Data Communications Serv
4538 932 2773 China Education and Research
23577 898 907 Korea Telecom (ATM-MPLS)
7011 866 979 Citizens Utilities
7018 823 1494 AT&T WorldNet Services
4755 817 1434 Videsh Sanchar Nigam Ltd. Aut
6197 774 1028 BellSouth Network Solutions,
9498 722 1038 BHARTI BT INTERNET LTD.
577 693 934 Bell Advanced Communications
17488 689 874 Hathway IP Over Cable Interne
4766 606 815 Korea Telecom (KIX)
4323 574 1359 Time Warner Telecom
19916 564 569 OLM LLC
15270 551 589 PaeTec.net -a division of Pae
4134 544 1722 CHINANET-BACKBONE
6517 541 586 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:90 12:1814 13:1 15:19 16:3
17:6 18:13 20:35 24:1028 25:1 32:174
33:3 38:357 40:64 41:376 43:6 44:2
47:8 52:3 55:3 56:3 57:43 58:519
59:422 60:384 61:1038 62:996 63:2002 64:3385
65:2432 66:3643 67:858 68:692 69:2015 70:481
71:120 72:1423 73:8 74:750 75:320 76:160
77:416 78:265 79:10 80:872 81:824 82:599
83:355 84:647 85:818 86:413 87:585 88:283
89:1025 90:38 91:709 92:5 96:1 97:6
98:12 116:423 117:208 118:42 121:338 122:637
123:205 124:703 125:1117 128:307 129:196 130:142
131:369 132:61 133:9 134:194 135:34 136:189
137:85 138:156 139:105 140:509 141:145 142:372
143:256 144:316 145:46 146:326 147:130 148:547
149:186 150:168 151:137 152:94 153:121 154:12
155:261 156:164 157:225 158:159 159:193 160:127
161:100 162:190 163:184 164:505 165:401 166:302
167:307 168:514 169:128 170:419 171:22 172:6
189:103 190:1205 192:5792 193:4018 194:3284 195:2549
196:1001 198:3879 199:3235 200:5258 201:1230 202:7939
203:7859 204:3996 205:2011 206:2441 207:2827 208:2947
209:3642 210:2822 211:1205 212:1327 213:1552 214:431
215:43 216:4179 217:1208 218:429 219:454 220:1020
221:442 222:349
End of report
