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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 03 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/2007/10/03
Analysis Summary
----------------
BGP routing table entries examined: 240104
Prefixes after maximum aggregation: 122055
Deaggregation factor: 1.97
Unique aggregates announced to Internet: 113703
Total ASes present in the Internet Routing Table: 26422
Prefixes per ASN: 9.09
Origin-only ASes present in the Internet Routing Table: 22819
Origin ASes announcing only one prefix: 11148
Transit ASes present in the Internet Routing Table: 3603
Transit-only ASes present in the Internet Routing Table: 90
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 29
Max AS path prepend of ASN (23775) 25
Prefixes from unregistered ASNs in the Routing Table: 47
Unregistered ASNs in the Routing Table: 19
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1789699020
Equivalent to 106 /8s, 172 /16s and 163 /24s
Percentage of available address space announced: 48.3
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 111237
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58030
Total APNIC prefixes after maximum aggregation: 21205
APNIC Deaggregation factor: 2.74
Prefixes being announced from the APNIC address blocks: 54859
Unique aggregates announced from the APNIC address blocks: 22884
APNIC Region origin ASes present in the Internet Routing Table: 3074
APNIC Prefixes per ASN: 17.85
APNIC Region origin ASes announcing only one prefix: 805
APNIC Region transit ASes present in the Internet Routing Table: 488
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 29
Number of APNIC addresses announced to Internet: 320957876
Equivalent to 19 /8s, 33 /16s and 109 /24s
Percentage of available APNIC address space announced: 79.5
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: 112110
Total ARIN prefixes after maximum aggregation: 63771
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 82494
Unique aggregates announced from the ARIN address blocks: 32184
ARIN Region origin ASes present in the Internet Routing Table: 11873
ARIN Prefixes per ASN: 6.95
ARIN Region origin ASes announcing only one prefix: 4547
ARIN Region transit ASes present in the Internet Routing Table: 1155
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 346752416
Equivalent to 20 /8s, 171 /16s and 5 /24s
Percentage of available ARIN address space announced: 76.5
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: 50041
Total RIPE prefixes after maximum aggregation: 31473
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 46507
Unique aggregates announced from the RIPE address blocks: 30008
RIPE Region origin ASes present in the Internet Routing Table: 10305
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5451
RIPE Region transit ASes present in the Internet Routing Table: 1711
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 329792320
Equivalent to 19 /8s, 168 /16s and 59 /24s
Percentage of available RIPE address space announced: 75.6
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: 17078
Total LACNIC prefixes after maximum aggregation: 4523
LACNIC Deaggregation factor: 3.78
Prefixes being announced from the LACNIC address blocks: 15104
Unique aggregates announced from the LACNIC address blocks: 8348
LACNIC Region origin ASes present in the Internet Routing Table: 872
LACNIC Prefixes per ASN: 17.32
LACNIC Region origin ASes announcing only one prefix: 276
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: 28
Number of LACNIC addresses announced to Internet: 43693056
Equivalent to 2 /8s, 154 /16s and 180 /24s
Percentage of available LACNIC address space announced: 43.4
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: 2788
Total AfriNIC prefixes after maximum aggregation: 1063
AfriNIC Deaggregation factor: 2.62
Prefixes being announced from the AfriNIC address blocks: 2359
Unique aggregates announced from the AfriNIC address blocks: 1364
AfriNIC Region origin ASes present in the Internet Routing Table: 207
AfriNIC Prefixes per ASN: 11.40
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 7465216
Equivalent to 0 /8s, 113 /16s and 233 /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 2749 2974 36 China Education and Research
4755 1429 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1115 80 417 Sify Limited
4134 1098 11508 297 CHINANET-BACKBONE
9498 1000 533 65 BHARTI BT INTERNET LTD.
23577 928 34 795 Korea Telecom (ATM-MPLS)
17488 823 53 65 Hathway IP Over Cable Interne
4766 809 5441 321 Korea Telecom (KIX)
7545 737 159 118 TPG Internet Pty Ltd
18101 603 119 51 Reliance Infocom Ltd Internet
1221 589 1950 435 Telstra Pty Ltd
4802 577 132 146 Wantree Development
4812 542 974 95 China Telecom (Shanghai)
9829 531 1313 10 BSNL National Internet Backbo
4668 517 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 493 792 119 CNCGROUP IP network: China169
9443 468 122 78 Primus Telecommunications
7474 457 218 269 SingTel Optus Pty Ltd
9942 421 74 111 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 490 1905 392 UUNET - Commercial IP service
24863 370 57 36 LINKdotNET AS number
8551 351 334 33 Bezeq International
9116 343 168 27 Goldenlines main autonomous s
3301 317 1457 294 TeliaNet Sweden
3320 312 6035 259 Deutsche Telekom AG
6746 292 131 268 Dynamic Network Technologies,
1273 279 306 104 Cable & Wireless Deutschland
680 269 2045 257 DFN-IP service G-WiN
8866 267 62 22 Bulgarian Telecommunication C
3215 263 2480 100 France Telecom Transpac
8708 263 421 242 Romania Data Systems S.A.
8220 256 444 238 COLT Telecommunications
5089 236 1658 54 NTL Group Limited
3352 230 1882 40 Ibernet, Internet Access Netw
3269 223 2839 73 TELECOM ITALIA
9121 216 1442 25 TTnet Autonomous System
3300 207 172 100 AUCS Communications Services
1257 205 1195 169 SWIPnet Swedish IP Network
2856 193 2302 153 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1487 10250 992 AT&T WorldNet Services
4323 1404 1007 366 Time Warner Telecom
2386 1220 621 743 AT&T Data Communications Serv
11492 1153 113 12 Cable One
6478 1133 330 130 AT&T Worldnet Services
6197 1032 718 508 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 969 6779 845 Cogent Communications
7011 944 287 559 Citizens Utilities
701 869 6572 676 UUNET Technologies, Inc.
20115 830 762 441 Charter Communications
1239 800 2712 561 Sprint
19262 794 2828 189 Verizon Global Networks
22773 781 2149 52 Cox Communications, Inc.
209 732 3818 578 Qwest
577 709 845 202 Bell Advanced Communications
3356 681 10820 371 Level 3 Communications, LLC
5668 655 176 23 CenturyTel Internet Holdings,
852 592 1093 359 Telus Advanced Communications
6517 587 165 36 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1429 1362 Videsh Sanchar Nigam Ltd. Aut
11492 1153 1141 Cable One
4323 1404 1038 Time Warner Telecom
18566 1028 1019 Covad Communications
6478 1133 1003 AT&T Worldnet Services
9498 1000 935 BHARTI BT INTERNET LTD.
8151 1021 808 UniNet S.A. de C.V.
4134 1098 801 CHINANET-BACKBONE
17488 823 758 Hathway IP Over Cable Interne
22773 781 729 Cox Communications, Inc.
9583 1115 698 Sify Limited
5668 655 632 CenturyTel Internet Holdings,
7545 737 619 TPG Internet Pty Ltd
19262 794 605 Verizon Global Networks
18101 603 552 Reliance Infocom Ltd Internet
6517 587 551 Yipes Communications, Inc.
15270 581 542 PaeTec.net -a division of Pae
6197 1032 524 BellSouth Network Solutions,
9829 531 521 BSNL National Internet Backbo
19916 568 517 OLM LLC
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
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65016 PRIVATE 155.248.0.0/16 5483 Hungarian Telecom
64520 PRIVATE 172.11.12.0/24 1803 SPRINT
65530 PRIVATE 192.147.68.0/24 2901 New Mexico Technet
65500 PRIVATE 192.239.84.0/24 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
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
65000 PRIVATE 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
65000 PRIVATE 213.211.133.162/32 25596 Cambrium Network Ser
65000 PRIVATE 213.211.133.163/32 25596 Cambrium Network Ser
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
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 64520 PRIVATE ASN
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 /12:136
/13:270 /14:481 /15:943 /16:9740 /17:4202 /18:6800
/19:14522 /20:17488 /21:15587 /22:20085 /23:20902 /24:125403
/25:884 /26:1149 /27:629 /28:266 /29:194 /30:267
/31:0 /32:75
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1145 1153 Cable One
6478 1132 1133 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 959 1115 Sify Limited
4538 922 2749 China Education and Research
23577 919 928 Korea Telecom (ATM-MPLS)
2386 911 1220 AT&T Data Communications Serv
7011 832 944 Citizens Utilities
7018 819 1487 AT&T WorldNet Services
4755 797 1429 Videsh Sanchar Nigam Ltd. Aut
6197 776 1032 BellSouth Network Solutions,
9498 682 1000 BHARTI BT INTERNET LTD.
17488 642 823 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
4323 596 1404 Time Warner Telecom
19916 563 568 OLM LLC
15270 544 581 PaeTec.net -a division of Pae
6517 542 587 Yipes Communications, Inc.
5668 519 655 CenturyTel Internet Holdings,
4668 507 517 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:89 12:1801 13:2 15:20 16:3
17:3 18:13 20:36 24:996 25:1 32:177
33:3 38:352 40:61 41:320 43:6 44:2
47:4 52:4 55:3 56:3 57:42 58:506
59:425 60:376 61:1001 62:990 63:2006 64:3308
65:2429 66:3539 67:853 68:680 69:1991 70:471
71:122 72:1424 73:5 74:691 75:307 76:136
77:385 78:208 79:3 80:826 81:799 82:595
83:380 84:632 85:837 86:345 87:567 88:294
89:1008 90:40 91:610 97:6 98:2 101:1
116:375 117:167 118:22 121:308 122:614 123:190
124:683 125:1009 128:272 129:211 130:133 131:366
132:60 133:9 134:195 135:34 136:188 137:87
138:156 139:107 140:514 141:174 142:382 143:251
144:312 145:47 146:335 147:124 148:472 149:187
150:112 151:156 152:92 153:121 154:12 155:256
156:161 157:218 158:160 159:178 160:136 161:101
162:174 163:182 164:493 165:397 166:300 167:303
168:502 169:124 170:396 171:22 172:3 189:74
190:1111 192:5785 193:3998 194:3284 195:2564 196:1029
198:3908 199:3232 200:5196 201:1222 202:7799 203:7868
204:3991 205:2018 206:2486 207:2924 208:2889 209:3511
210:2771 211:1216 212:1333 213:1527 214:419 215:43
216:4106 217:1203 218:386 219:450 220:1007 221:417
222:306
End of report
