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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 20 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 213103
Prefixes after maximum aggregation: 113348
Deaggregation factor: 1.88
Unique aggregates announced to Internet: 100917
Total ASes present in the Internet Routing Table: 24243
Origin-only ASes present in the Internet Routing Table: 20995
Origin ASes announcing only one prefix: 10194
Transit ASes present in the Internet Routing Table: 3248
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: 24
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: 1661060744
Equivalent to 99 /8s, 1 /16s and 198 /24s
Percentage of available address space announced: 44.8
Percentage of allocated address space announced: 63.6
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 109872
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 48085
Total APNIC prefixes after maximum aggregation: 18869
APNIC Deaggregation factor: 2.55
Prefixes being announced from the APNIC address blocks: 45557
Unique aggregates announced from the APNIC address blocks: 19150
APNIC Region origin ASes present in the Internet Routing Table: 2841
APNIC Region origin ASes announcing only one prefix: 786
APNIC Region transit ASes present in the Internet Routing Table: 432
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 276281344
Equivalent to 16 /8s, 119 /16s and 184 /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: 104435
Total ARIN prefixes after maximum aggregation: 61139
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 76465
Unique aggregates announced from the ARIN address blocks: 28892
ARIN Region origin ASes present in the Internet Routing Table: 11289
ARIN Region origin ASes announcing only one prefix: 4320
ARIN Region transit ASes present in the Internet Routing Table: 1091
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 313808096
Equivalent to 18 /8s, 180 /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: 44224
Total RIPE prefixes after maximum aggregation: 28379
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41115
Unique aggregates announced from the RIPE address blocks: 26493
RIPE Region origin ASes present in the Internet Routing Table: 9098
RIPE Region origin ASes announcing only one prefix: 4783
RIPE Region transit ASes present in the Internet Routing Table: 1506
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 286589216
Equivalent to 17 /8s, 21 /16s and 1 /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: 13776
Total LACNIC prefixes after maximum aggregation: 3988
LACNIC Deaggregation factor: 3.45
Prefixes being announced from the LACNIC address blocks: 11765
Unique aggregates announced from the LACNIC address blocks: 6856
LACNIC Region origin ASes present in the Internet Routing Table: 761
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 141
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 39
Number of LACNIC addresses announced to Internet: 36321024
Equivalent to 2 /8s, 42 /16s and 55 /24s
Percentage of available LACNIC address space announced: 54.1
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: 2562
Total AfriNIC prefixes after maximum aggregation: 972
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 1849
Unique aggregates announced from the AfriNIC address blocks: 1077
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: 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: 5340672
Equivalent to 0 /8s, 81 /16s and 126 /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 1294 8633 270 CHINANET-BACKBONE
4755 1091 383 74 Videsh Sanchar Nigam Ltd. Aut
9583 1032 99 66 Sify Limited
9498 929 467 64 BHARTI BT INTERNET LTD.
4538 864 2909 36 China Education and Research
23577 775 34 703 KRNIC
4766 760 4944 312 Korea Telecom (KIX)
1221 609 1697 452 Telstra Pty Ltd
17488 584 36 20 Hathway IP Over Cable Interne
7545 565 126 75 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 368 129 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
702 545 1896 424 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 265 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 176 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1543 10200 988 AT&T WorldNet Services
2386 1108 585 733 AT&T Data Communications Serv
4323 1064 818 297 Time Warner Telecom
6197 1022 645 500 BellSouth Network Solutions,
18566 986 272 8 Covad Communications
701 939 6690 744 UUNET Technologies, Inc.
174 935 6788 865 Cogent Communications
11492 910 99 14 Cable One
1239 828 2714 577 Sprint
19262 806 2570 184 Verizon Global Networks
20115 787 685 419 Charter Communications
7011 722 214 448 Citizens Utilities
22773 715 1744 42 Cox Communications, Inc.
209 711 3750 562 Qwest
721 709 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,
19916 568 49 54 OLM LLC
855 558 250 73 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1294 1024 CHINANET-BACKBONE
4755 1091 1017 Videsh Sanchar Nigam Ltd. Aut
18566 986 978 Covad Communications
9583 1032 966 Sify Limited
11492 910 896 Cable One
9498 929 865 BHARTI BT INTERNET LTD.
4538 864 828 China Education and Research
4323 1064 767 Time Warner Telecom
22773 715 673 Cox Communications, Inc.
8151 846 646 UniNet S.A. de C.V.
19262 806 622 Verizon Global Networks
17488 584 564 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 565 490 TPG Internet Pty Ltd
855 558 485 Canadian Research Network
18101 512 485 Reliance Infocom Ltd Internet
15270 498 464 PaeTec.net -a division of Pae
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
42205 UNALLOCATED 88.87.240.0/21 12301 PanTel, Hungary
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
65420 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 /9:9 /10:13 /11:32 /12:119
/13:234 /14:414 /15:813 /16:9152 /17:3699 /18:6020
/19:13008 /20:14689 /21:13300 /22:17084 /23:18232 /24:113650
/25:741 /26:525 /27:454 /28:186 /29:148 /30:476
/31:0 /32:86
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 969 986 Covad Communications
11492 896 910 Cable One
9583 860 1032 Sify Limited
7018 844 1543 AT&T WorldNet Services
2386 831 1108 AT&T Data Communications Serv
6197 795 1022 BellSouth Network Solutions,
23577 761 775 KRNIC
7011 626 722 Citizens Utilities
9498 587 929 BHARTI BT INTERNET LTD.
4766 569 760 Korea Telecom (KIX)
19916 563 568 OLM LLC
4538 533 864 China Education and Research
4755 500 1091 Videsh Sanchar Nigam Ltd. Aut
15270 466 498 PaeTec.net -a division of Pae
855 456 558 Canadian Research Network
18101 445 512 Reliance Infocom Ltd Internet
5668 437 569 CenturyTel Internet Holdings,
1239 410 828 Sprint
17488 407 584 Hathway IP Over Cable Interne
33588 400 422 Bresnan Communications, LLC.
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 24:875
25:1 32:176 38:276 40:56 41:60 44:2
47:10 52:4 55:1 56:3 57:52 58:307
59:403 60:200 61:974 62:1165 63:1907 64:3216
65:2312 66:3152 67:728 68:644 69:1740 70:418
71:133 72:1135 73:1 74:139 75:61 76:20
80:831 81:777 82:674 83:352 84:501 85:810
86:435 87:455 88:268 89:748 90:2 91:139
97:1 116:1 117:1 118:1 119:1 120:1
121:130 122:66 123:25 124:553 125:783 128:310
129:218 130:126 131:316 132:49 133:11 134:183
135:44 136:180 137:113 138:190 139:107 140:521
141:135 142:380 143:211 144:267 145:67 146:323
147:141 148:363 149:192 150:114 151:118 152:91
153:119 154:6 155:244 156:166 157:170 158:167
159:147 160:98 161:104 162:227 163:162 164:452
165:239 166:244 167:281 168:495 169:121 170:378
171:15 172:1 189:73 190:349 192:5794 193:3658
194:2958 195:2320 196:993 198:3871 199:3299 200:4595
201:960 202:7310 203:7348 204:4005 205:2109 206:2461
207:2966 208:2417 209:3598 210:2491 211:997 212:1363
213:1474 214:395 215:39 216:4100 217:1342 218:386
219:299 220:858 221:376 222:298
End of report
