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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 21 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 218407
Prefixes after maximum aggregation: 113894
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 100825
Total ASes present in the Internet Routing Table: 24211
Origin-only ASes present in the Internet Routing Table: 20945
Origin ASes announcing only one prefix: 10176
Transit ASes present in the Internet Routing Table: 3266
Transit-only ASes present in the Internet Routing Table: 80
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: 1658985096
Equivalent to 98 /8s, 226 /16s and 26 /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: 114215
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 48221
Total APNIC prefixes after maximum aggregation: 18859
APNIC Deaggregation factor: 2.56
Prefixes being announced from the APNIC address blocks: 45583
Unique aggregates announced from the APNIC address blocks: 19144
APNIC Region origin ASes present in the Internet Routing Table: 2840
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: 4.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 276326912
Equivalent to 16 /8s, 120 /16s and 106 /24s
Percentage of available APNIC address space announced: 86.4
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: 109875
Total ARIN prefixes after maximum aggregation: 61926
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 81926
Unique aggregates announced from the ARIN address blocks: 28891
ARIN Region origin ASes present in the Internet Routing Table: 11284
ARIN Region origin ASes announcing only one prefix: 4316
ARIN Region transit ASes present in the Internet Routing Table: 1103
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 313934304
Equivalent to 18 /8s, 182 /16s and 65 /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: 44085
Total RIPE prefixes after maximum aggregation: 28268
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 40979
Unique aggregates announced from the RIPE address blocks: 26470
RIPE Region origin ASes present in the Internet Routing Table: 9073
RIPE Region origin ASes announcing only one prefix: 4770
RIPE Region transit ASes present in the Internet Routing Table: 1507
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 286030112
Equivalent to 17 /8s, 12 /16s and 121 /24s
Percentage of available RIPE address space announced: 77.5
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: 13630
Total LACNIC prefixes after maximum aggregation: 3862
LACNIC Deaggregation factor: 3.53
Prefixes being announced from the LACNIC address blocks: 11711
Unique aggregates announced from the LACNIC address blocks: 6817
LACNIC Region origin ASes present in the Internet Routing Table: 758
LACNIC Region origin ASes announcing only one prefix: 250
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: 36094464
Equivalent to 2 /8s, 38 /16s and 194 /24s
Percentage of available LACNIC address space announced: 53.8
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: 2575
Total AfriNIC prefixes after maximum aggregation: 978
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 1867
Unique aggregates announced from the AfriNIC address blocks: 1085
AfriNIC Region origin ASes present in the Internet Routing Table: 175
AfriNIC Region origin ASes announcing only one prefix: 56
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 5362176
Equivalent to 0 /8s, 81 /16s and 210 /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 1300 8639 269 CHINANET-BACKBONE
4755 1091 383 74 Videsh Sanchar Nigam Ltd. Aut
9583 1034 99 67 Sify Limited
9498 929 467 64 BHARTI BT INTERNET LTD.
4538 857 2909 36 China Education and Research
23577 774 34 703 KRNIC
4766 760 4944 312 Korea Telecom (KIX)
1221 607 1697 450 Telstra Pty Ltd
17488 584 36 20 Hathway IP Over Cable Interne
7545 565 124 76 TPG Internet Pty Ltd
18101 512 103 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 386 212 240 SingTel Optus Pty Ltd
17974 367 129 14 PT TELEKOMUNIKASI INDONESIA
4802 363 86 149 Wantree Development
17557 353 35 171 Pakistan Telecom
17849 353 33 93 Telecommunications Technology
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 272 473 262 COLT Telecommunications
6746 269 95 246 Dynamic Network Technologies,
680 257 2044 251 DFN-IP service G-WiN
1257 251 1069 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 184 171 92 AUCS Communications Services
3352 177 1767 31 Ibernet, Internet Access Netw
12479 175 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4858 6690 744 UUNET Technologies, Inc.
7018 1543 10200 988 AT&T WorldNet Services
705 1403 552 606 UUNET Technologies, Inc.
2386 1108 585 733 AT&T Data Communications Serv
4323 1064 818 297 Time Warner Telecom
6197 1021 645 500 BellSouth Network Solutions,
18566 986 272 8 Covad Communications
174 936 6789 866 Cogent Communications
11492 910 99 14 Cable One
1239 826 2698 576 Sprint
7046 802 267 659 UUNET Technologies, Inc.
19262 792 2570 184 Verizon Global Networks
20115 787 685 419 Charter Communications
7011 722 214 448 Citizens Utilities
22773 716 1744 42 Cox Communications, Inc.
209 709 3749 560 Qwest
721 707 21836 284 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 1300 1031 CHINANET-BACKBONE
4755 1091 1017 Videsh Sanchar Nigam Ltd. Aut
18566 986 978 Covad Communications
9583 1034 967 Sify Limited
11492 910 896 Cable One
9498 929 865 BHARTI BT INTERNET LTD.
4538 857 821 China Education and Research
705 1403 797 UUNET Technologies, Inc.
4323 1064 767 Time Warner Telecom
22773 716 674 Cox Communications, Inc.
8151 842 641 UniNet S.A. de C.V.
19262 792 608 Verizon Global Networks
17488 584 564 Hathway IP Over Cable Interne
7018 1543 555 AT&T WorldNet Services
5668 569 550 CenturyTel Internet Holdings,
6197 1021 521 BellSouth Network Solutions,
19916 568 514 OLM LLC
11830 504 495 Instituto Costarricense de El
7545 565 489 TPG Internet Pty Ltd
855 557 485 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
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
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 /16:9138 /17:3711 /18:6062
/19:13136 /20:14754 /21:13483 /22:17271 /23:18609 /24:117924
/25:755 /26:541 /27:468 /28:184 /29:148 /30:470
/31:0 /32:88
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3622 4858 UUNET Technologies, Inc.
18566 969 986 Covad Communications
11492 896 910 Cable One
705 863 1403 UUNET Technologies, Inc.
9583 862 1034 Sify Limited
7018 843 1543 AT&T WorldNet Services
2386 831 1108 AT&T Data Communications Serv
6197 794 1021 BellSouth Network Solutions,
23577 760 774 KRNIC
7011 626 722 Citizens Utilities
9498 587 929 BHARTI BT INTERNET LTD.
4766 569 760 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 556 802 UUNET Technologies, Inc.
4538 525 857 China Education and Research
4755 499 1091 Videsh Sanchar Nigam Ltd. Aut
15270 466 498 PaeTec.net -a division of Pae
855 456 557 Canadian Research Network
18101 445 512 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 12:1675 13:1
15:15 16:3 17:3 18:5 20:38 24:875
25:1 32:176 38:275 40:56 41:61 44:2
47:10 52:4 55:1 56:3 57:52 58:309
59:402 60:200 61:973 62:1163 63:3336 64:3307
65:3635 66:3222 67:732 68:643 69:1737 70:418
71:133 72:1137 73:1 74:139 75:61 76:20
80:806 81:783 82:658 83:355 84:495 85:802
86:434 87:435 88:260 89:750 90:2 91:138
97:1 116:1 117:1 118:1 119:1 120:1
121:129 122:69 123:25 124:553 125:762 128:306
129:219 130:112 131:296 132:49 133:11 134:183
135:44 136:180 137:114 138:184 139:107 140:521
141:135 142:386 143:208 144:266 145:67 146:264
147:141 148:363 149:192 150:113 151:118 152:91
153:119 154:6 155:244 156:166 157:169 158:168
159:147 160:98 161:104 162:227 163:160 164:459
165:283 166:244 167:281 168:481 169:121 170:378
171:15 172:1 189:73 190:352 192:5774 193:3652
194:2961 195:2325 196:997 198:3930 199:3331 200:4588
201:960 202:7335 203:7336 204:4096 205:2211 206:2635
207:3134 208:3105 209:3695 210:2491 211:997 212:1324
213:1466 214:390 215:36 216:4267 217:1345 218:386
219:299 220:858 221:377 222:298
End of report
