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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 22 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 218772
Prefixes after maximum aggregation: 114125
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 100901
Total ASes present in the Internet Routing Table: 24235
Origin-only ASes present in the Internet Routing Table: 20966
Origin ASes announcing only one prefix: 10181
Transit ASes present in the Internet Routing Table: 3269
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 39
Max AS path prepend of ASN (14282) 36
Prefixes from unregistered ASNs in the Routing Table: 23
Unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 27
Number of addresses announced to Internet: 1660030856
Equivalent to 98 /8s, 242 /16s and 15 /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: 114481
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 48111
Total APNIC prefixes after maximum aggregation: 18783
APNIC Deaggregation factor: 2.56
Prefixes being announced from the APNIC address blocks: 45511
Unique aggregates announced from the APNIC address blocks: 19072
APNIC Region origin ASes present in the Internet Routing Table: 2836
APNIC Region origin ASes announcing only one prefix: 784
APNIC Region transit ASes present in the Internet Routing Table: 434
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 275941632
Equivalent to 16 /8s, 114 /16s and 137 /24s
Percentage of available APNIC address space announced: 86.3
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: 110034
Total ARIN prefixes after maximum aggregation: 62015
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 81987
Unique aggregates announced from the ARIN address blocks: 28910
ARIN Region origin ASes present in the Internet Routing Table: 11291
ARIN Region origin ASes announcing only one prefix: 4316
ARIN Region transit ASes present in the Internet Routing Table: 1104
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 313939168
Equivalent to 18 /8s, 182 /16s and 84 /24s
Percentage of available ARIN address space announced: 69.3
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: 44195
Total RIPE prefixes after maximum aggregation: 28343
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41093
Unique aggregates announced from the RIPE address blocks: 26528
RIPE Region origin ASes present in the Internet Routing Table: 9089
RIPE Region origin ASes announcing only one prefix: 4776
RIPE Region transit ASes present in the Internet Routing Table: 1510
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 286500896
Equivalent to 17 /8s, 19 /16s and 168 /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: 13798
Total LACNIC prefixes after maximum aggregation: 3997
LACNIC Deaggregation factor: 3.45
Prefixes being announced from the LACNIC address blocks: 11778
Unique aggregates announced from the LACNIC address blocks: 6872
LACNIC Region origin ASes present in the Internet Routing Table: 763
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 142
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 39
Number of LACNIC addresses announced to Internet: 36249600
Equivalent to 2 /8s, 41 /16s and 32 /24s
Percentage of available LACNIC address space announced: 54.0
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: 2613
Total AfriNIC prefixes after maximum aggregation: 986
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 1877
Unique aggregates announced from the AfriNIC address blocks: 1091
AfriNIC Region origin ASes present in the Internet Routing Table: 177
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: 4.2
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 5371392
Equivalent to 0 /8s, 81 /16s and 246 /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 1301 8639 269 CHINANET-BACKBONE
4755 1092 383 76 Videsh Sanchar Nigam Ltd. Aut
9583 1036 109 16 Sify Limited
9498 925 467 64 BHARTI BT INTERNET LTD.
4538 865 2909 36 China Education and Research
23577 775 34 703 KRNIC
4766 760 4944 312 Korea Telecom (KIX)
1221 608 1697 452 Telstra Pty Ltd
17488 584 36 20 Hathway IP Over Cable Interne
7545 563 126 76 TPG Internet Pty Ltd
18101 513 103 27 Reliance Infocom Ltd Internet
17676 503 10935 66 Softbank BB Corp.
9443 442 111 74 Primus Telecommunications
9942 440 85 133 COMindico Australia
4812 435 759 68 China Telecom (Shanghai)
7474 385 212 239 SingTel Optus Pty Ltd
17974 368 129 14 PT TELEKOMUNIKASI INDONESIA
4802 363 86 149 Wantree Development
17849 353 33 93 Telecommunications Technology
17557 352 35 172 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1880 425 UUNET - Commercial IP service
3215 388 2136 96 France Telecom Transpac
24863 388 45 15 LINKdotNET AS number
3301 305 1199 287 TeliaNet Sweden
3320 298 4993 249 Deutsche Telekom AG
8220 273 474 263 COLT Telecommunications
6746 269 95 246 Dynamic Network Technologies,
680 257 2044 251 DFN-IP service G-WiN
1257 251 1073 174 SWIPnet Swedish IP Network
5089 242 1657 52 NTL Group Limited
8708 232 283 220 Romania Data Systems S.A.
3269 211 2375 74 TELECOM ITALIA
30890 211 18 91 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
3300 186 171 94 AUCS Communications Services
3352 177 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 4849 6690 743 UUNET Technologies, Inc.
7018 1534 10199 982 AT&T WorldNet Services
705 1401 552 604 UUNET Technologies, Inc.
2386 1109 585 733 AT&T Data Communications Serv
4323 1063 818 297 Time Warner Telecom
6197 1022 645 500 BellSouth Network Solutions,
18566 986 272 8 Covad Communications
174 936 6789 866 Cogent Communications
11492 910 99 14 Cable One
1239 827 2714 577 Sprint
19262 806 2570 184 Verizon Global Networks
7046 802 267 659 UUNET Technologies, Inc.
20115 787 685 419 Charter Communications
7011 722 214 448 Citizens Utilities
22773 716 1744 42 Cox Communications, Inc.
209 711 3750 562 Qwest
721 708 21837 285 DLA Systems Automation Center
852 623 1093 394 Telus Advanced Communications
577 587 760 210 Bell Advanced Communications
5668 569 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1301 1032 CHINANET-BACKBONE
9583 1036 1020 Sify Limited
4755 1092 1016 Videsh Sanchar Nigam Ltd. Aut
18566 986 978 Covad Communications
11492 910 896 Cable One
9498 925 861 BHARTI BT INTERNET LTD.
4538 865 829 China Education and Research
705 1401 797 UUNET Technologies, Inc.
4323 1063 766 Time Warner Telecom
22773 716 674 Cox Communications, Inc.
8151 842 641 UniNet S.A. de C.V.
19262 806 622 Verizon Global Networks
17488 584 564 Hathway IP Over Cable Interne
7018 1534 552 AT&T WorldNet Services
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
855 559 487 Canadian Research Network
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
64984 PRIVATE 168.224.4.0/23 29487 PFIZER
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
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
65313 PRIVATE 203.184.140.0/24 9304 Hutchison Telecom (H
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
116.0.0.0/24 12654 RIPE NCC RIS Project
116.50.0.0/21 12654 RIPE NCC RIS Project
116.255.0.0/16 12654 RIPE NCC RIS Project
117.0.0.0/24 12654 RIPE NCC RIS Project
117.50.0.0/21 12654 RIPE NCC RIS Project
117.255.0.0/16 12654 RIPE NCC RIS Project
118.0.0.0/24 12654 RIPE NCC RIS Project
118.50.0.0/21 12654 RIPE NCC RIS Project
118.255.0.0/16 12654 RIPE NCC RIS Project
119.0.0.0/24 12654 RIPE NCC RIS Project
119.50.0.0/21 12654 RIPE NCC RIS Project
119.255.0.0/16 12654 RIPE NCC RIS Project
120.0.0.0/24 12654 RIPE NCC RIS Project
120.50.0.0/21 12654 RIPE NCC RIS Project
120.255.0.0/16 12654 RIPE NCC RIS Project
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
192.70.164.0/24 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 /9:10 /10:13 /11:32 /12:119
/13:242 /14:414 /15:816 /16:9160 /17:3711 /18:6036
/19:13142 /20:14789 /21:13483 /22:17281 /23:18615 /24:118225
/25:758 /26:542 /27:468 /28:185 /29:148 /30:476
/31:0 /32:88
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3612 4849 UUNET Technologies, Inc.
18566 969 986 Covad Communications
11492 896 910 Cable One
9583 863 1036 Sify Limited
705 862 1401 UUNET Technologies, Inc.
7018 833 1534 AT&T WorldNet Services
2386 832 1109 AT&T Data Communications Serv
6197 795 1022 BellSouth Network Solutions,
23577 761 775 KRNIC
7011 626 722 Citizens Utilities
9498 583 925 BHARTI BT INTERNET LTD.
4766 569 760 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 556 802 UUNET Technologies, Inc.
4538 533 865 China Education and Research
4755 501 1092 Videsh Sanchar Nigam Ltd. Aut
15270 466 498 PaeTec.net -a division of Pae
855 460 559 Canadian Research Network
18101 445 513 Reliance Infocom Ltd Internet
5668 437 569 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:62 9:1 12:1678 13:1
15:15 16:3 17:3 18:5 20:38 24:873
25:1 32:175 38:275 40:57 41:60 44:2
47:10 52:4 55:1 56:3 57:52 58:305
59:384 60:200 61:973 62:1160 63:3337 64:3314
65:3640 66:3225 67:732 68:643 69:1740 70:418
71:133 72:1138 73:1 74:139 75:60 76:20
80:835 81:781 82:658 83:355 84:497 85:804
86:434 87:459 88:260 89:750 90:2 91:139
97:1 116:1 117:1 118:1 119:1 120:1
121:129 122:71 123:25 124:555 125:783 128:308
129:219 130:126 131:310 132:49 133:11 134:181
135:44 136:180 137:114 138:190 139:106 140:520
141:135 142:389 143:211 144:267 145:67 146:319
147:141 148:363 149:192 150:114 151:118 152:95
153:119 154:6 155:249 156:166 157:169 158:168
159:147 160:99 161:104 162:227 163:162 164:454
165:284 166:245 167:281 168:496 169:121 170:378
171:15 172:1 189:73 190:353 192:5784 193:3652
194:2959 195:2325 196:1001 198:3935 199:3356 200:4614
201:957 202:7310 203:7341 204:4110 205:2211 206:2638
207:3135 208:3107 209:3701 210:2496 211:998 212:1346
213:1470 214:392 215:39 216:4265 217:1346 218:386
219:299 220:857 221:377 222:298
End of report
