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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 07 Sep, 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/2007/09/07
Analysis Summary
----------------
BGP routing table entries examined: 235994
Prefixes after maximum aggregation: 121242
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 112179
Total ASes present in the Internet Routing Table: 26191
Prefixes per ASN: 9.01
Origin-only ASes present in the Internet Routing Table: 22688
Origin ASes announcing only one prefix: 11046
Transit ASes present in the Internet Routing Table: 3503
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 27
Max AS path prepend of ASN (42025) 17
Prefixes from unregistered ASNs in the Routing Table: 32
Unregistered ASNs in the Routing Table: 18
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1758333580
Equivalent to 104 /8s, 206 /16s and 10 /24s
Percentage of available address space announced: 47.4
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 125607
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56268
Total APNIC prefixes after maximum aggregation: 21127
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 53102
Unique aggregates announced from the APNIC address blocks: 22561
APNIC Region origin ASes present in the Internet Routing Table: 3058
APNIC Prefixes per ASN: 17.36
APNIC Region origin ASes announcing only one prefix: 801
APNIC Region transit ASes present in the Internet Routing Table: 477
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 313532852
Equivalent to 18 /8s, 176 /16s and 33 /24s
Percentage of available APNIC address space announced: 77.7
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: 110857
Total ARIN prefixes after maximum aggregation: 63458
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 81419
Unique aggregates announced from the ARIN address blocks: 31923
ARIN Region origin ASes present in the Internet Routing Table: 11801
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 4493
ARIN Region transit ASes present in the Internet Routing Table: 1140
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 343897440
Equivalent to 20 /8s, 127 /16s and 117 /24s
Percentage of available ARIN address space announced: 75.9
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: 49227
Total RIPE prefixes after maximum aggregation: 31122
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 45679
Unique aggregates announced from the RIPE address blocks: 29607
RIPE Region origin ASes present in the Internet Routing Table: 10181
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 5401
RIPE Region transit ASes present in the Internet Routing Table: 1648
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 326714176
Equivalent to 19 /8s, 121 /16s and 67 /24s
Percentage of available RIPE address space announced: 74.9
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
40960-44031
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: 16772
Total LACNIC prefixes after maximum aggregation: 4470
LACNIC Deaggregation factor: 3.75
Prefixes being announced from the LACNIC address blocks: 14862
Unique aggregates announced from the LACNIC address blocks: 7857
LACNIC Region origin ASes present in the Internet Routing Table: 866
LACNIC Prefixes per ASN: 17.16
LACNIC Region origin ASes announcing only one prefix: 282
LACNIC Region transit ASes present in the Internet Routing Table: 149
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 42216704
Equivalent to 2 /8s, 132 /16s and 45 /24s
Percentage of available LACNIC address space announced: 62.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2832
Total AfriNIC prefixes after maximum aggregation: 1051
AfriNIC Deaggregation factor: 2.69
Prefixes being announced from the AfriNIC address blocks: 2371
Unique aggregates announced from the AfriNIC address blocks: 1332
AfriNIC Region origin ASes present in the Internet Routing Table: 205
AfriNIC Prefixes per ASN: 11.57
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 34
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC addresses announced to Internet: 7459072
Equivalent to 0 /8s, 113 /16s and 209 /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 1941 2974 36 China Education and Research
4755 1345 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1126 81 403 Sify Limited
4134 1076 11228 293 CHINANET-BACKBONE
9498 999 532 64 BHARTI BT INTERNET LTD.
23577 927 34 796 Korea Telecom (ATM-MPLS)
4766 806 5441 320 Korea Telecom (KIX)
17488 795 52 61 Hathway IP Over Cable Interne
7545 726 159 118 TPG Internet Pty Ltd
18101 593 119 51 Reliance Infocom Ltd Internet
1221 591 1951 434 Telstra Pty Ltd
4812 549 971 97 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 480 775 113 CNCGROUP IP network: China169
9443 469 122 78 Primus Telecommunications
7474 457 216 268 SingTel Optus Pty Ltd
9942 439 75 112 COMindico Australia
4802 438 117 152 Wantree Development
17974 377 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 492 1907 394 UUNET - Commercial IP service
24863 366 57 39 LINKdotNET AS number
8551 351 334 33 Bezeq International
9116 351 168 26 Goldenlines main autonomous s
5089 322 1658 54 NTL Group Limited
3301 314 1456 294 TeliaNet Sweden
3320 313 6035 260 Deutsche Telekom AG
1273 289 306 105 Cable & Wireless Deutschland
6746 289 130 265 Dynamic Network Technologies,
680 267 2045 257 DFN-IP service G-WiN
8708 262 420 241 Romania Data Systems S.A.
8220 261 445 243 COLT Telecommunications
3215 258 2424 98 France Telecom Transpac
3352 225 1865 38 Ibernet, Internet Access Netw
3269 223 2839 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
1257 205 1195 170 SWIPnet Swedish IP Network
3300 202 172 96 AUCS Communications Services
3292 196 1379 176 TDC Tele Danmark
12479 193 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1473 10162 986 AT&T WorldNet Services
4323 1319 991 372 Time Warner Telecom
2386 1217 621 748 AT&T Data Communications Serv
11492 1141 111 12 Cable One
6478 1131 325 168 AT&T Worldnet Services
6197 1030 718 509 BellSouth Network Solutions,
18566 1023 288 9 Covad Communications
174 973 6780 861 Cogent Communications
701 941 6593 719 UUNET Technologies, Inc.
7011 921 278 550 Citizens Utilities
20115 816 751 435 Charter Communications
1239 797 2702 560 Sprint
19262 770 2744 179 Verizon Global Networks
22773 765 2149 50 Cox Communications, Inc.
209 748 3837 589 Qwest
577 705 813 202 Bell Advanced Communications
5668 656 176 23 CenturyTel Internet Holdings,
3356 616 10812 352 Level 3 Communications, LLC
6517 595 165 37 Yipes Communications, Inc.
852 588 1095 362 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1345 1274 Videsh Sanchar Nigam Ltd. Aut
11492 1141 1129 Cable One
18566 1023 1014 Covad Communications
6478 1131 963 AT&T Worldnet Services
4323 1319 947 Time Warner Telecom
9498 999 935 BHARTI BT INTERNET LTD.
4134 1076 783 CHINANET-BACKBONE
17488 795 734 Hathway IP Over Cable Interne
9583 1126 723 Sify Limited
22773 765 715 Cox Communications, Inc.
8151 901 697 UniNet S.A. de C.V.
5668 656 633 CenturyTel Internet Holdings,
7545 726 608 TPG Internet Pty Ltd
19262 770 591 Verizon Global Networks
6517 595 558 Yipes Communications, Inc.
18101 593 542 Reliance Infocom Ltd Internet
15270 574 536 PaeTec.net -a division of Pae
6197 1030 521 BellSouth Network Solutions,
19916 568 517 OLM LLC
4668 516 506 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In
64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In
64526 PRIVATE 195.47.13.96/28 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
64526 PRIVATE 195.47.39.128/26 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
64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In
65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64555 PRIVATE 203.161.138.0/24 24130 PIPE Networks IX and
64555 PRIVATE 203.161.139.0/24 24130 PIPE Networks IX and
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
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
7.1.1.0/24 1239 Sprint
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 /8:18 /9:9 /10:15 /11:37 /12:134
/13:266 /14:475 /15:928 /16:9679 /17:4161 /18:6685
/19:14123 /20:16718 /21:15240 /22:19601 /23:20531 /24:123939
/25:880 /26:1144 /27:594 /28:265 /29:193 /30:276
/31:6 /32:77
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1133 1141 Cable One
6478 1130 1131 AT&T Worldnet Services
18566 1005 1023 Covad Communications
9583 970 1126 Sify Limited
23577 918 927 Korea Telecom (ATM-MPLS)
2386 909 1217 AT&T Data Communications Serv
4538 904 1941 China Education and Research
7011 814 921 Citizens Utilities
7018 814 1473 AT&T WorldNet Services
6197 783 1030 BellSouth Network Solutions,
4755 728 1345 Videsh Sanchar Nigam Ltd. Aut
9498 672 999 BHARTI BT INTERNET LTD.
17488 618 795 Hathway IP Over Cable Interne
4766 604 806 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 561 595 Yipes Communications, Inc.
4323 552 1319 Time Warner Telecom
15270 538 574 PaeTec.net -a division of Pae
5668 522 656 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:87 12:1822 13:2 15:19
16:3 17:3 18:13 20:36 24:987 25:1
32:173 33:3 38:346 40:60 41:320 43:6
44:2 47:3 52:4 55:3 56:3 57:42
58:500 59:399 60:369 61:1027 62:997 63:2021
64:3224 65:2426 66:3418 67:814 68:663 69:1985
70:466 71:116 72:1409 73:2 74:645 75:303
76:131 77:340 78:54 79:3 80:849 81:825
82:599 83:391 84:626 85:812 86:342 87:482
88:285 89:987 90:24 91:535 97:6 98:2
116:313 117:177 118:17 121:273 122:593 123:176
124:668 125:986 128:270 129:217 130:139 131:364
132:55 133:9 134:196 135:34 136:190 137:86
138:153 139:106 140:500 141:174 142:398 143:255
144:299 145:46 146:331 147:123 148:407 149:150
150:112 151:157 152:91 153:119 154:4 155:263
156:162 157:219 158:158 159:173 160:117 161:100
162:176 163:179 164:485 165:395 166:289 167:300
168:517 169:122 170:389 171:22 172:2 189:74
190:1083 192:5801 193:4014 194:3259 195:2387 196:1028
198:3911 199:3268 200:5259 201:1190 202:7790 203:7746
204:3965 205:1980 206:2478 207:2967 208:2836 209:3503
210:2777 211:1215 212:1354 213:1512 214:412 215:41
216:4001 217:1210 218:396 219:450 220:1029 221:419
222:304
End of report
