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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 17 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 218136
Prefixes after maximum aggregation: 114079
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 100706
Total ASes present in the Internet Routing Table: 24188
Origin-only ASes present in the Internet Routing Table: 21028
Origin ASes announcing only one prefix: 10165
Transit ASes present in the Internet Routing Table: 3160
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 32
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 22
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1659223560
Equivalent to 98 /8s, 229 /16s and 190 /24s
Percentage of available address space announced: 44.8
Percentage of allocated address space announced: 63.5
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 113832
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 48161
Total APNIC prefixes after maximum aggregation: 18840
APNIC Deaggregation factor: 2.56
Prefixes being announced from the APNIC address blocks: 45640
Unique aggregates announced from the APNIC address blocks: 19118
APNIC Region origin ASes present in the Internet Routing Table: 2839
APNIC Region origin ASes announcing only one prefix: 786
APNIC Region transit ASes present in the Internet Routing Table: 439
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 275596160
Equivalent to 16 /8s, 109 /16s and 67 /24s
Percentage of available APNIC address space announced: 86.2
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, 121/8, 122/7, 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: 109527
Total ARIN prefixes after maximum aggregation: 61961
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 81759
Unique aggregates announced from the ARIN address blocks: 28792
ARIN Region origin ASes present in the Internet Routing Table: 11275
ARIN Region origin ASes announcing only one prefix: 4309
ARIN Region transit ASes present in the Internet Routing Table: 1052
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 313678048
Equivalent to 18 /8s, 178 /16s and 88 /24s
Percentage of available ARIN address space announced: 69.2
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: 44147
Total RIPE prefixes after maximum aggregation: 28332
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41061
Unique aggregates announced from the RIPE address blocks: 26448
RIPE Region origin ASes present in the Internet Routing Table: 9075
RIPE Region origin ASes announcing only one prefix: 4762
RIPE Region transit ASes present in the Internet Routing Table: 1470
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 286323232
Equivalent to 17 /8s, 16 /16s and 242 /24s
Percentage of available RIPE address space announced: 77.6
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
40960-43007
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 13681
Total LACNIC prefixes after maximum aggregation: 3959
LACNIC Deaggregation factor: 3.46
Prefixes being announced from the LACNIC address blocks: 11747
Unique aggregates announced from the LACNIC address blocks: 6854
LACNIC Region origin ASes present in the Internet Routing Table: 760
LACNIC Region origin ASes announcing only one prefix: 254
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 36204288
Equivalent to 2 /8s, 40 /16s and 111 /24s
Percentage of available LACNIC address space announced: 53.9
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: 2600
Total AfriNIC prefixes after maximum aggregation: 986
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 1861
Unique aggregates announced from the AfriNIC address blocks: 1080
AfriNIC Region origin ASes present in the Internet Routing Table: 173
AfriNIC Region origin ASes announcing only one prefix: 54
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5351680
Equivalent to 0 /8s, 81 /16s and 169 /24s
Percentage of available AfriNIC address space announced: 15.9
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
4134 1265 8629 265 CHINANET-BACKBONE
4755 1086 383 73 Videsh Sanchar Nigam Ltd. Aut
9583 1034 99 66 Sify Limited
9498 927 467 65 BHARTI BT INTERNET LTD.
4538 865 2909 36 China Education and Research
23577 774 34 702 KRNIC
4766 758 4946 312 Korea Telecom (KIX)
1221 611 1698 454 Telstra Pty Ltd
17488 575 36 23 Hathway IP Over Cable Interne
7545 563 126 76 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 500 87 27 Reliance Infocom Ltd Internet
4788 450 340 25 Telekom Malaysia
9443 442 111 74 Primus Telecommunications
9942 438 85 131 COMindico Australia
4812 437 759 69 China Telecom (Shanghai)
7474 383 211 238 SingTel Optus Pty Ltd
17974 369 129 14 PT TELEKOMUNIKASI INDONESIA
4802 363 86 151 Wantree Development
17557 354 35 171 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1912 425 UUNET - Commercial IP service
3215 388 2136 96 France Telecom Transpac
24863 386 45 15 LINKdotNET AS number
3301 304 1199 288 TeliaNet Sweden
3320 296 4993 247 Deutsche Telekom AG
8220 275 474 265 COLT Telecommunications
6746 265 93 243 Dynamic Network Technologies,
680 256 2042 250 DFN-IP service G-WiN
1257 252 1069 173 SWIPnet Swedish IP Network
5089 242 1657 52 NTL Group Limited
8708 234 283 221 Romania Data Systems S.A.
3269 211 2375 74 TELECOM ITALIA
30890 209 18 90 SC Kappa Invexim SRL
3246 206 354 196 Song Networks
5416 204 13 15 BATELCO-BH
8551 197 197 24 Bezeq International
20858 189 34 3 This AS will be used to conne
3300 184 171 92 AUCS Communications Services
3352 176 1767 31 Ibernet, Internet Access Netw
5400 175 381 141 BT Ignite European Backbone
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4853 6674 748 UUNET Technologies, Inc.
7018 1545 10217 993 AT&T WorldNet Services
705 1402 553 607 UUNET Technologies, Inc.
2386 1105 585 731 AT&T Data Communications Serv
4323 1059 820 294 Time Warner Telecom
6197 1022 639 500 BellSouth Network Solutions,
18566 986 272 8 Covad Communications
174 934 6789 865 Cogent Communications
11492 911 99 14 Cable One
1239 833 2731 581 Sprint
19262 805 2554 183 Verizon Global Networks
7046 799 267 658 UUNET Technologies, Inc.
20115 773 678 418 Charter Communications
209 717 3751 566 Qwest
22773 715 1744 41 Cox Communications, Inc.
721 708 21836 284 DLA Systems Automation Center
7011 704 210 440 Citizens Utilities
852 623 1093 394 Telus Advanced Communications
577 577 760 214 Bell Advanced Communications
5668 569 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1086 1013 Videsh Sanchar Nigam Ltd. Aut
4134 1265 1000 CHINANET-BACKBONE
18566 986 978 Covad Communications
9583 1034 968 Sify Limited
11492 911 897 Cable One
9498 927 862 BHARTI BT INTERNET LTD.
4538 865 829 China Education and Research
705 1402 795 UUNET Technologies, Inc.
4323 1059 765 Time Warner Telecom
22773 715 674 Cox Communications, Inc.
8151 842 644 UniNet S.A. de C.V.
19262 805 622 Verizon Global Networks
7018 1545 552 AT&T WorldNet Services
17488 575 552 Hathway IP Over Cable Interne
5668 569 550 CenturyTel Internet Holdings,
6197 1022 522 BellSouth Network Solutions,
19916 568 514 OLM LLC
11830 504 495 Instituto Costarricense de El
7545 563 487 TPG Internet Pty Ltd
18101 500 473 Reliance Infocom Ltd Internet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65422 PRIVATE 193.227.230.8/29 35731 Network Technology S
65414 PRIVATE 193.227.230.24/30 35731 Network Technology S
65422 PRIVATE 193.227.230.56/30 35731 Network Technology S
65418 PRIVATE 193.227.230.64/28 35731 Network Technology S
65420 PRIVATE 193.227.230.83/32 35731 Network Technology S
65420 PRIVATE 193.227.230.87/32 35731 Network Technology S
65413 PRIVATE 193.227.230.103/32 35731 Network Technology S
65422 PRIVATE 193.227.230.168/30 35731 Network Technology S
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
65404 PRIVATE 203.2.172.0/24 9466 UUNET Japan Limited
23456 UNALLOCATED 203.10.62.0/24 1221 Telstra Pty Ltd
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
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
172.19.57.0/24 3596 Universidad Autonoma Metropol
192.0.2.0/24 2854 RoSprint AS (Global One Russi
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
192.172.0.0/19 721 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 /9:10 /10:13 /11:32 /12:118
/13:242 /14:414 /15:813 /16:9149 /17:3712 /18:6065
/19:13142 /20:14766 /21:13464 /22:17238 /23:18617 /24:117752
/25:710 /26:522 /27:445 /28:195 /29:153 /30:468
/31:0 /32:77
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3611 4853 UUNET Technologies, Inc.
18566 969 986 Covad Communications
11492 897 911 Cable One
705 863 1402 UUNET Technologies, Inc.
9583 863 1034 Sify Limited
7018 843 1545 AT&T WorldNet Services
2386 830 1105 AT&T Data Communications Serv
6197 795 1022 BellSouth Network Solutions,
23577 760 774 KRNIC
7011 609 704 Citizens Utilities
9498 585 927 BHARTI BT INTERNET LTD.
4766 566 758 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 553 799 UUNET Technologies, Inc.
4538 533 865 China Education and Research
4755 498 1086 Videsh Sanchar Nigam Ltd. Aut
15270 466 498 PaeTec.net -a division of Pae
5668 438 569 CenturyTel Internet Holdings,
18101 434 500 Reliance Infocom Ltd Internet
855 433 536 Canadian Research Network
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:62 9:1 12:1674 13:1 15:15
16:3 17:3 18:5 20:36 24:873 25:1
32:176 38:276 40:57 41:55 44:2 47:10
52:4 55:1 56:3 57:52 58:320 59:400
60:200 61:973 62:1204 63:3340 64:3302 65:3633
66:3187 67:716 68:644 69:1742 70:413 71:129
72:1131 74:130 75:59 76:20 80:831 81:763
82:680 83:346 84:497 85:780 86:434 87:449
88:243 89:758 90:2 91:129 97:1 121:150
122:55 123:24 124:528 125:768 128:307 129:219
130:126 131:316 132:49 133:11 134:183 135:44
136:181 137:114 138:189 139:106 140:522 141:135
142:369 143:210 144:266 145:67 146:322 147:141
148:365 149:191 150:114 151:117 152:91 153:119
154:6 155:245 156:156 157:155 158:167 159:142
160:99 161:104 162:226 163:159 164:246 165:236
166:243 167:280 168:483 169:121 170:365 171:15
172:2 189:72 190:343 192:5765 193:3643 194:2951
195:2318 196:986 198:3930 199:3356 200:4632 201:949
202:7313 203:7351 204:4099 205:2217 206:2665 207:3133
208:3081 209:3690 210:2634 211:983 212:1348 213:1473
214:390 215:39 216:4246 217:1343 218:386 219:296
220:844 221:376 222:276
End of report
