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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 16 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 217942
Prefixes after maximum aggregation: 114006
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 100680
Total ASes present in the Internet Routing Table: 24171
Origin-only ASes present in the Internet Routing Table: 21014
Origin ASes announcing only one prefix: 10145
Transit ASes present in the Internet Routing Table: 3157
Transit-only ASes present in the Internet Routing Table: 67
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: 20
Unregistered ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1655580940
Equivalent to 98 /8s, 174 /16s and 41 /24s
Percentage of available address space announced: 44.7
Percentage of allocated address space announced: 63.4
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 113736
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47995
Total APNIC prefixes after maximum aggregation: 18797
APNIC Deaggregation factor: 2.55
Prefixes being announced from the APNIC address blocks: 45470
Unique aggregates announced from the APNIC address blocks: 19074
APNIC Region origin ASes present in the Internet Routing Table: 2834
APNIC Region origin ASes announcing only one prefix: 787
APNIC Region transit ASes present in the Internet Routing Table: 432
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 275553156
Equivalent to 16 /8s, 108 /16s and 155 /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: 109530
Total ARIN prefixes after maximum aggregation: 61956
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 81749
Unique aggregates announced from the ARIN address blocks: 28778
ARIN Region origin ASes present in the Internet Routing Table: 11271
ARIN Region origin ASes announcing only one prefix: 4309
ARIN Region transit ASes present in the Internet Routing Table: 1053
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 312467936
Equivalent to 18 /8s, 159 /16s and 225 /24s
Percentage of available ARIN address space announced: 69.0
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: 44110
Total RIPE prefixes after maximum aggregation: 28328
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41051
Unique aggregates announced from the RIPE address blocks: 26504
RIPE Region origin ASes present in the Internet Routing Table: 9068
RIPE Region origin ASes announcing only one prefix: 4744
RIPE Region transit ASes present in the Internet Routing Table: 1467
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 284226592
Equivalent to 16 /8s, 240 /16s and 244 /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
40960-43007
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: 13678
Total LACNIC prefixes after maximum aggregation: 3947
LACNIC Deaggregation factor: 3.47
Prefixes being announced from the LACNIC address blocks: 11750
Unique aggregates announced from the LACNIC address blocks: 6846
LACNIC Region origin ASes present in the Internet Routing Table: 757
LACNIC Region origin ASes announcing only one prefix: 252
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 36151808
Equivalent to 2 /8s, 39 /16s and 162 /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: 2610
Total AfriNIC prefixes after maximum aggregation: 978
AfriNIC Deaggregation factor: 2.67
Prefixes being announced from the AfriNIC address blocks: 1853
Unique aggregates announced from the AfriNIC address blocks: 1064
AfriNIC Region origin ASes present in the Internet Routing Table: 174
AfriNIC Region origin ASes announcing only one prefix: 53
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5337600
Equivalent to 0 /8s, 81 /16s and 114 /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 1081 384 67 Videsh Sanchar Nigam Ltd. Aut
9583 1034 99 66 Sify Limited
9498 922 467 64 BHARTI BT INTERNET LTD.
4538 865 2909 36 China Education and Research
23577 773 34 701 KRNIC
4766 755 4946 309 Korea Telecom (KIX)
1221 613 1698 456 Telstra Pty Ltd
17488 575 36 23 Hathway IP Over Cable Interne
7545 564 126 76 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 499 87 27 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 438 85 131 COMindico Australia
4812 437 759 69 China Telecom (Shanghai)
4788 422 339 24 Telekom Malaysia
7474 381 211 236 SingTel Optus Pty Ltd
17974 374 129 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 208 18 89 SC Kappa Invexim SRL
3246 206 354 196 Song Networks
5416 206 13 9 BATELCO-BH
8551 197 197 24 Bezeq International
20858 188 34 3 This AS will be used to conne
3300 185 171 93 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 4856 6674 748 UUNET Technologies, Inc.
7018 1541 10233 993 AT&T WorldNet Services
705 1400 552 605 UUNET Technologies, Inc.
2386 1104 585 730 AT&T Data Communications Serv
4323 1060 821 295 Time Warner Telecom
6197 1021 639 505 BellSouth Network Solutions,
18566 986 272 8 Covad Communications
174 936 6789 867 Cogent Communications
11492 911 99 14 Cable One
1239 830 2731 577 Sprint
19262 804 2538 182 Verizon Global Networks
7046 799 267 658 UUNET Technologies, Inc.
20115 775 678 420 Charter Communications
209 721 3749 566 Qwest
22773 715 1744 41 Cox Communications, Inc.
7011 704 210 440 Citizens Utilities
721 700 21836 284 DLA Systems Automation Center
852 621 1093 393 Telus Advanced Communications
577 575 760 213 Bell Advanced Communications
5668 570 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1081 1014 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 922 858 BHARTI BT INTERNET LTD.
4538 865 829 China Education and Research
705 1400 795 UUNET Technologies, Inc.
4323 1060 765 Time Warner Telecom
22773 715 674 Cox Communications, Inc.
8151 842 645 UniNet S.A. de C.V.
19262 804 622 Verizon Global Networks
17488 575 552 Hathway IP Over Cable Interne
5668 570 551 CenturyTel Internet Holdings,
7018 1541 548 AT&T WorldNet Services
6197 1021 516 BellSouth Network Solutions,
19916 568 514 OLM LLC
11830 504 495 Instituto Costarricense de El
7545 564 488 TPG Internet Pty Ltd
18101 499 472 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
64512 PRIVATE 144.16.192.0/24 9583 Sify Limited
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
65420 PRIVATE 193.227.230.168/30 35731 Network Technology S
65404 PRIVATE 203.2.172.0/24 9466 UUNET Japan Limited
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 /11:30 /12:118
/13:241 /14:412 /15:810 /16:9148 /17:3707 /18:6048
/19:13142 /20:14738 /21:13465 /22:17215 /23:18613 /24:117669
/25:680 /26:526 /27:445 /28:194 /29:153 /30:468
/31:0 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3615 4856 UUNET Technologies, Inc.
18566 969 986 Covad Communications
11492 897 911 Cable One
9583 863 1034 Sify Limited
705 862 1400 UUNET Technologies, Inc.
7018 839 1541 AT&T WorldNet Services
2386 829 1104 AT&T Data Communications Serv
6197 794 1021 BellSouth Network Solutions,
23577 759 773 KRNIC
7011 609 704 Citizens Utilities
9498 582 922 BHARTI BT INTERNET LTD.
4766 563 755 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 553 799 UUNET Technologies, Inc.
4538 533 865 China Education and Research
4755 497 1081 Videsh Sanchar Nigam Ltd. Aut
15270 466 498 PaeTec.net -a division of Pae
5668 439 570 CenturyTel Internet Holdings,
855 433 536 Canadian Research Network
18101 433 499 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:62 9:1 12:1673 13:1 15:15
16:3 17:3 18:5 20:36 24:873 25:1
32:176 38:275 40:57 41:57 44:2 47:10
52:4 55:1 56:3 57:52 58:312 59:399
60:200 61:978 62:1176 63:3338 64:3302 65:3636
66:3182 67:715 68:645 69:1735 70:413 71:129
72:1131 74:130 75:59 76:20 80:833 81:781
82:671 83:357 84:499 85:747 86:431 87:456
88:246 89:756 90:2 91:130 97:1 121:149
122:56 123:24 124:525 125:770 128:306 129:219
130:126 131:316 132:49 133:11 134:183 135:44
136:181 137:114 138:189 139:106 140:521 141:135
142:370 143:211 144:266 145:67 146:321 147:141
148:365 149:190 150:114 151:117 152:91 153:119
154:6 155:245 156:156 157:154 158:167 159:141
160:99 161:103 162:226 163:159 164:246 165:235
166:243 167:280 168:481 169:121 170:365 171:14
172:2 189:69 190:343 192:5795 193:3637 194:2957
195:2320 196:983 198:3925 199:3359 200:4636 201:950
202:7273 203:7332 204:4103 205:2225 206:2660 207:3136
208:3082 209:3688 210:2629 211:982 212:1360 213:1477
214:386 215:39 216:4233 217:1345 218:386 219:296
220:843 221:378 222:274
End of report
