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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 25 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 218458
Prefixes after maximum aggregation: 114401
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 101103
Total ASes present in the Internet Routing Table: 24281
Origin-only ASes present in the Internet Routing Table: 21066
Origin ASes announcing only one prefix: 10192
Transit ASes present in the Internet Routing Table: 3215
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 39
Max AS path prepend of ASN (14282) 36
Prefixes from unregistered ASNs in the Routing Table: 15
Unregistered ASNs in the Routing Table: 13
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1662329928
Equivalent to 99 /8s, 21 /16s and 36 /24s
Percentage of available address space announced: 44.8
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 114318
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47294
Total APNIC prefixes after maximum aggregation: 18806
APNIC Deaggregation factor: 2.51
Prefixes being announced from the APNIC address blocks: 44655
Unique aggregates announced from the APNIC address blocks: 19122
APNIC Region origin ASes present in the Internet Routing Table: 2844
APNIC Region origin ASes announcing only one prefix: 790
APNIC Region transit ASes present in the Internet Routing Table: 436
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 276426016
Equivalent to 16 /8s, 121 /16s and 237 /24s
Percentage of available APNIC address space announced: 68.5
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: 110259
Total ARIN prefixes after maximum aggregation: 62107
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 82169
Unique aggregates announced from the ARIN address blocks: 29020
ARIN Region origin ASes present in the Internet Routing Table: 11311
ARIN Region origin ASes announcing only one prefix: 4314
ARIN Region transit ASes present in the Internet Routing Table: 1081
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 314732512
Equivalent to 18 /8s, 194 /16s and 111 /24s
Percentage of available ARIN address space announced: 69.5
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: 44426
Total RIPE prefixes after maximum aggregation: 28511
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41299
Unique aggregates announced from the RIPE address blocks: 26585
RIPE Region origin ASes present in the Internet Routing Table: 9117
RIPE Region origin ASes announcing only one prefix: 4784
RIPE Region transit ASes present in the Internet Routing Table: 1489
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 286977728
Equivalent to 17 /8s, 26 /16s and 238 /24s
Percentage of available RIPE address space announced: 77.8
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: 13855
Total LACNIC prefixes after maximum aggregation: 3989
LACNIC Deaggregation factor: 3.47
Prefixes being announced from the LACNIC address blocks: 11859
Unique aggregates announced from the LACNIC address blocks: 6855
LACNIC Region origin ASes present in the Internet Routing Table: 760
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 139
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 39
Number of LACNIC addresses announced to Internet: 36418304
Equivalent to 2 /8s, 43 /16s and 179 /24s
Percentage of available LACNIC address space announced: 54.3
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: 2611
Total AfriNIC prefixes after maximum aggregation: 987
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 1881
Unique aggregates announced from the AfriNIC address blocks: 1094
AfriNIC Region origin ASes present in the Internet Routing Table: 175
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: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5372672
Equivalent to 0 /8s, 81 /16s and 251 /24s
Percentage of available AfriNIC address space announced: 16.0
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 1271 8631 270 CHINANET-BACKBONE
4755 1092 383 75 Videsh Sanchar Nigam Ltd. Aut
9583 1036 109 16 Sify Limited
9498 929 467 64 BHARTI BT INTERNET LTD.
23577 774 34 702 Korea Telecom (ATM-MPLS)
4766 763 4944 313 Korea Telecom (KIX)
1221 609 1697 452 Telstra Pty Ltd
17488 588 37 20 Hathway IP Over Cable Interne
7545 561 126 75 TPG Internet Pty Ltd
18101 515 103 27 Reliance Infocom Ltd Internet
17676 503 10935 66 Softbank BB Corp.
9443 442 111 74 Primus Telecommunications
4812 435 759 68 China Telecom (Shanghai)
9942 429 85 126 COMindico Australia
7474 391 212 245 SingTel Optus Pty Ltd
4802 363 86 149 Wantree Development
17557 355 35 169 Pakistan Telecom
17849 353 33 93 Telecommunications Technology
17974 348 129 14 PT TELEKOMUNIKASI INDONESIA
2907 335 1749 310 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1880 425 UUNET - Commercial IP service
3215 389 2176 92 France Telecom Transpac
24863 388 45 15 LINKdotNET AS number
3301 305 1199 287 TeliaNet Sweden
3320 300 4994 250 Deutsche Telekom AG
6746 271 95 248 Dynamic Network Technologies,
8220 268 469 259 COLT Telecommunications
680 257 2044 251 DFN-IP service G-WiN
1257 250 1069 173 SWIPnet Swedish IP Network
5089 241 1657 52 NTL Group Limited
8708 232 283 220 Romania Data Systems S.A.
3269 213 2391 71 TELECOM ITALIA
30890 212 19 90 SC Kappa Invexim SRL
3246 207 354 197 Song Networks
5416 206 13 9 BATELCO-BH
8551 197 197 24 Bezeq International
20858 189 34 3 This AS will be used to conne
2119 185 756 162 Telenor Internet Access
3300 184 171 92 AUCS Communications Services
3352 181 1767 31 Ibernet, Internet Access Netw
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4850 6692 748 UUNET Technologies, Inc.
7018 1537 10182 984 AT&T WorldNet Services
705 1403 552 606 UUNET Technologies, Inc.
2386 1107 585 732 AT&T Data Communications Serv
4323 1062 818 297 Time Warner Telecom
6197 1022 645 500 BellSouth Network Solutions,
18566 987 272 8 Covad Communications
174 937 6789 866 Cogent Communications
11492 911 99 14 Cable One
1239 829 2714 578 Sprint
19262 808 2576 180 Verizon Global Networks
7046 800 267 656 UUNET Technologies, Inc.
20115 793 689 417 Charter Communications
7011 729 218 452 Citizens Utilities
22773 721 1872 41 Cox Communications, Inc.
209 714 3733 563 Qwest
721 701 21852 284 DLA Systems Automation Center
852 624 1093 395 Telus Advanced Communications
577 584 760 206 Bell Advanced Communications
5668 578 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
9583 1036 1020 Sify Limited
4755 1092 1017 Videsh Sanchar Nigam Ltd. Aut
4134 1271 1001 CHINANET-BACKBONE
18566 987 979 Covad Communications
11492 911 897 Cable One
9498 929 865 BHARTI BT INTERNET LTD.
705 1403 797 UUNET Technologies, Inc.
4323 1062 765 Time Warner Telecom
8151 888 696 UniNet S.A. de C.V.
22773 721 680 Cox Communications, Inc.
19262 808 628 Verizon Global Networks
17488 588 568 Hathway IP Over Cable Interne
5668 578 559 CenturyTel Internet Holdings,
7018 1537 553 AT&T WorldNet Services
6197 1022 522 BellSouth Network Solutions,
19916 568 514 OLM LLC
11830 504 495 Instituto Costarricense de El
18101 515 488 Reliance Infocom Ltd Internet
855 560 487 Canadian Research Network
7545 561 486 TPG Internet Pty Ltd
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
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
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
180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI
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
192.153.136.0/21 721 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 /9:10 /10:13 /11:33 /12:117
/13:238 /14:415 /15:817 /16:9169 /17:3744 /18:6043
/19:13148 /20:14782 /21:13348 /22:17187 /23:18572 /24:118168
/25:767 /26:541 /27:466 /28:181 /29:146 /30:461
/31:0 /32:73
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3606 4850 UUNET Technologies, Inc.
18566 970 987 Covad Communications
11492 897 911 Cable One
9583 864 1036 Sify Limited
705 863 1403 UUNET Technologies, Inc.
7018 847 1537 AT&T WorldNet Services
2386 831 1107 AT&T Data Communications Serv
6197 795 1022 BellSouth Network Solutions,
23577 760 774 Korea Telecom (ATM-MPLS)
7011 632 729 Citizens Utilities
9498 587 929 BHARTI BT INTERNET LTD.
4766 571 763 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 553 800 UUNET Technologies, Inc.
4755 500 1092 Videsh Sanchar Nigam Ltd. Aut
15270 468 500 PaeTec.net -a division of Pae
855 459 560 Canadian Research Network
18101 447 515 Reliance Infocom Ltd Internet
5668 444 578 CenturyTel Internet Holdings,
17488 411 588 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:61 9:1 12:1678 13:1
15:15 16:3 17:3 18:5 20:38 24:876
25:1 32:175 38:277 40:57 41:61 44:2
47:10 52:4 55:1 56:3 57:40 58:298
59:376 60:204 61:952 62:1179 63:3340 64:3317
65:3664 66:3233 67:730 68:640 69:1730 70:428
71:134 72:1138 73:1 74:148 75:60 76:22
80:842 81:783 82:694 83:361 84:501 85:768
86:466 87:472 88:274 89:772 90:2 91:148
97:1 116:1 117:1 118:1 119:1 120:1
121:129 122:67 123:25 124:571 125:788 128:306
129:220 130:126 131:317 132:49 133:11 134:182
135:44 136:180 137:118 138:190 139:104 140:520
141:137 142:389 143:214 144:294 145:67 146:321
147:142 148:368 149:192 150:115 151:117 152:91
153:119 154:6 155:250 156:166 157:169 158:169
159:147 160:98 161:104 162:226 163:162 164:458
165:288 166:245 167:281 168:497 169:121 170:379
171:15 172:1 189:131 190:353 192:5784 193:3665
194:2963 195:2332 196:1002 198:3936 199:3358 200:4619
201:962 202:7204 203:7359 204:4096 205:2200 206:2667
207:3157 208:3125 209:3694 210:2341 211:926 212:1354
213:1474 214:381 215:39 216:4247 217:1347 218:368
219:268 220:856 221:374 222:286
End of report
