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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 06 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/2007/11/06
Analysis Summary
----------------
BGP routing table entries examined: 244259
Prefixes after maximum aggregation: 123181
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 115469
Total ASes present in the Internet Routing Table: 26685
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 23114
Origin ASes announcing only one prefix: 11283
Transit ASes present in the Internet Routing Table: 3571
Transit-only ASes present in the Internet Routing Table: 94
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 29
Max AS path prepend of ASN (35389) 18
Prefixes from unregistered ASNs in the Routing Table: 37
Unregistered ASNs in the Routing Table: 19
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: 1789182244
Equivalent to 106 /8s, 164 /16s and 193 /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: 114045
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59339
Total APNIC prefixes after maximum aggregation: 21330
APNIC Deaggregation factor: 2.78
Prefixes being announced from the APNIC address blocks: 56130
Unique aggregates announced from the APNIC address blocks: 23108
APNIC Region origin ASes present in the Internet Routing Table: 3088
APNIC Prefixes per ASN: 18.18
APNIC Region origin ASes announcing only one prefix: 800
APNIC Region transit ASes present in the Internet Routing Table: 482
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 323963316
Equivalent to 19 /8s, 79 /16s and 73 /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: 113131
Total ARIN prefixes after maximum aggregation: 64228
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83423
Unique aggregates announced from the ARIN address blocks: 32637
ARIN Region origin ASes present in the Internet Routing Table: 11944
ARIN Prefixes per ASN: 6.98
ARIN Region origin ASes announcing only one prefix: 4589
ARIN Region transit ASes present in the Internet Routing Table: 1183
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 352250400
Equivalent to 20 /8s, 254 /16s and 234 /24s
Percentage of available ARIN address space announced: 77.8
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: 50431
Total RIPE prefixes after maximum aggregation: 31928
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 47323
Unique aggregates announced from the RIPE address blocks: 30493
RIPE Region origin ASes present in the Internet Routing Table: 10476
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5547
RIPE Region transit ASes present in the Internet Routing Table: 1666
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 335714336
Equivalent to 20 /8s, 2 /16s and 152 /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: 17988
Total LACNIC prefixes after maximum aggregation: 4579
LACNIC Deaggregation factor: 3.93
Prefixes being announced from the LACNIC address blocks: 15709
Unique aggregates announced from the LACNIC address blocks: 8705
LACNIC Region origin ASes present in the Internet Routing Table: 869
LACNIC Prefixes per ASN: 18.08
LACNIC Region origin ASes announcing only one prefix: 277
LACNIC Region transit ASes present in the Internet Routing Table: 150
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 45880832
Equivalent to 2 /8s, 188 /16s and 22 /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: 3324
Total AfriNIC prefixes after maximum aggregation: 1098
AfriNIC Deaggregation factor: 3.03
Prefixes being announced from the AfriNIC address blocks: 2449
Unique aggregates announced from the AfriNIC address blocks: 1409
AfriNIC Region origin ASes present in the Internet Routing Table: 213
AfriNIC Prefixes per ASN: 11.50
AfriNIC Region origin ASes announcing only one prefix: 70
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7632384
Equivalent to 0 /8s, 116 /16s and 118 /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 2779 2974 35 China Education and Research
4134 1723 11568 303 CHINANET-BACKBONE
4755 1483 383 69 Videsh Sanchar Nigam Ltd. Aut
9583 1102 81 416 Sify Limited
9498 1046 549 64 BHARTI BT INTERNET LTD.
23577 906 34 785 Korea Telecom (ATM-MPLS)
17488 874 57 69 Hathway IP Over Cable Interne
4766 815 5473 327 Korea Telecom (KIX)
7545 727 159 123 TPG Internet Pty Ltd
18101 609 119 53 Reliance Infocom Ltd Internet
1221 591 1951 436 Telstra Pty Ltd
9829 529 1312 9 BSNL National Internet Backbo
4812 524 866 77 China Telecom (Shanghai)
4668 520 68 10 LG-EDS Systems Inc.
4808 508 810 123 CNCGROUP IP network: China169
17676 504 10919 64 Softbank BB Corp.
4802 485 133 139 Wantree Development
7474 457 202 268 SingTel Optus Pty Ltd
9443 440 121 71 Primus Telecommunications
9942 424 76 113 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 468 1917 381 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 282 307 108 Cable & Wireless Deutschland
8708 274 421 245 Romania Data Systems S.A.
680 268 2045 254 DFN-IP service G-WiN
8866 268 62 25 Bulgarian Telecommunication C
6746 267 129 245 Dynamic Network Technologies,
3215 263 2503 98 France Telecom Transpac
8220 256 444 237 COLT Telecommunications
8452 242 188 7 TEDATA
5089 237 1666 54 NTL Group Limited
3352 235 1932 41 Ibernet, Internet Access Netw
3269 228 2935 75 TELECOM ITALIA
3300 220 171 96 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 1497 6138 1002 AT&T WorldNet Services
4323 1363 1014 361 Time Warner Telecom
2386 1256 616 777 AT&T Data Communications Serv
11492 1163 120 48 Cable One
6478 1121 329 184 AT&T Worldnet Services
6197 1034 745 496 BellSouth Network Solutions,
18566 1030 288 9 Covad Communications
174 982 6866 846 Cogent Communications
7011 979 290 562 Citizens Utilities
701 889 6565 696 UUNET Technologies, Inc.
20115 844 772 465 Charter Communications
3561 816 2341 378 Savvis
22773 802 2133 54 Cox Communications, Inc.
19262 797 2861 182 Verizon Global Networks
3356 788 10877 405 Level 3 Communications, LLC
1239 778 2680 541 Sprint
209 717 3783 561 Qwest
5668 662 176 17 CenturyTel Internet Holdings,
15270 596 161 41 PaeTec.net -a division of Pae
852 594 1109 359 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1723 1420 CHINANET-BACKBONE
4755 1483 1414 Videsh Sanchar Nigam Ltd. Aut
11492 1163 1115 Cable One
18566 1030 1021 Covad Communications
4323 1363 1002 Time Warner Telecom
9498 1046 982 BHARTI BT INTERNET LTD.
8151 1155 938 UniNet S.A. de C.V.
6478 1121 937 AT&T Worldnet Services
17488 874 805 Hathway IP Over Cable Interne
22773 802 748 Cox Communications, Inc.
9583 1102 686 Sify Limited
5668 662 645 CenturyTel Internet Holdings,
19262 797 615 Verizon Global Networks
7545 727 604 TPG Internet Pty Ltd
18101 609 556 Reliance Infocom Ltd Internet
15270 596 555 PaeTec.net -a division of Pae
6517 585 551 Yipes Communications, Inc.
6197 1034 538 BellSouth Network Solutions,
19916 569 522 OLM LLC
9829 529 520 BSNL National Internet Backbo
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
65068 PRIVATE 79.171.184.0/21 43895 *
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
64718 PRIVATE 81.200.197.0/24 25325 AS of Deutsche Bahn
64719 PRIVATE 81.200.204.0/24 25325 AS of Deutsche Bahn
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.
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
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
/13:275 /14:491 /15:963 /16:9812 /17:4285 /18:6886
/19:15021 /20:17783 /21:16003 /22:20312 /23:21369 /24:127199
/25:946 /26:1134 /27:623 /28:284 /29:235 /30:344
/31:0 /32:76
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1154 1163 Cable One
6478 1120 1121 AT&T Worldnet Services
18566 1012 1030 Covad Communications
9583 947 1102 Sify Limited
2386 945 1256 AT&T Data Communications Serv
4538 935 2779 China Education and Research
23577 897 906 Korea Telecom (ATM-MPLS)
7011 866 979 Citizens Utilities
4755 850 1483 Videsh Sanchar Nigam Ltd. Aut
7018 821 1497 AT&T WorldNet Services
6197 776 1034 BellSouth Network Solutions,
9498 730 1046 BHARTI BT INTERNET LTD.
17488 689 874 Hathway IP Over Cable Interne
4766 606 815 Korea Telecom (KIX)
4323 576 1363 Time Warner Telecom
19916 564 569 OLM LLC
15270 558 596 PaeTec.net -a division of Pae
4134 544 1723 CHINANET-BACKBONE
6517 540 585 Yipes Communications, Inc.
5668 520 662 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:90 12:1821 13:1 15:19 16:3
17:6 18:13 20:35 24:1027 25:1 32:174
33:3 38:358 40:64 41:385 43:6 44:2
47:8 52:3 55:3 56:3 57:43 58:519
59:433 60:383 61:1038 62:989 63:1999 64:3386
65:2431 66:3623 67:858 68:687 69:2033 70:485
71:120 72:1423 73:8 74:753 75:321 76:164
77:413 78:265 79:10 80:858 81:826 82:598
83:357 84:646 85:817 86:411 87:589 88:282
89:1026 90:38 91:722 92:5 96:1 97:6
98:12 116:423 117:207 118:43 121:337 122:643
123:205 124:709 125:1117 128:309 129:196 130:142
131:367 132:61 133:9 134:194 135:34 136:189
137:86 138:156 139:105 140:516 141:145 142:373
143:255 144:319 145:46 146:324 147:130 148:546
149:186 150:168 151:137 152:94 153:121 154:12
155:261 156:164 157:225 158:160 159:193 160:129
161:100 162:189 163:183 164:505 165:400 166:302
167:308 168:517 169:129 170:418 171:22 172:6
189:102 190:1192 192:5757 193:4011 194:3266 195:2550
196:989 198:3886 199:3230 200:5252 201:1230 202:7931
203:7852 204:3996 205:2001 206:2431 207:2820 208:2952
209:3641 210:2815 211:1205 212:1313 213:1534 214:432
215:43 216:4131 217:1203 218:428 219:464 220:1023
221:446 222:346
End of report
