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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 18 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 218351
Prefixes after maximum aggregation: 114141
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 100791
Total ASes present in the Internet Routing Table: 24199
Origin-only ASes present in the Internet Routing Table: 21057
Origin ASes announcing only one prefix: 10160
Transit ASes present in the Internet Routing Table: 3142
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 22
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 24
Number of addresses announced to Internet: 1659927176
Equivalent to 98 /8s, 240 /16s and 122 /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: 114026
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 48023
Total APNIC prefixes after maximum aggregation: 18874
APNIC Deaggregation factor: 2.54
Prefixes being announced from the APNIC address blocks: 45498
Unique aggregates announced from the APNIC address blocks: 19127
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: 437
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 275777152
Equivalent to 16 /8s, 112 /16s and 6 /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: 109856
Total ARIN prefixes after maximum aggregation: 61953
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 81839
Unique aggregates announced from the ARIN address blocks: 28841
ARIN Region origin ASes present in the Internet Routing Table: 11279
ARIN Region origin ASes announcing only one prefix: 4312
ARIN Region transit ASes present in the Internet Routing Table: 1046
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 313647456
Equivalent to 18 /8s, 177 /16s and 225 /24s
Percentage of available ARIN address space announced: 69.2
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: 28369
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41084
Unique aggregates announced from the RIPE address blocks: 26467
RIPE Region origin ASes present in the Internet Routing Table: 9080
RIPE Region origin ASes announcing only one prefix: 4756
RIPE Region transit ASes present in the Internet Routing Table: 1461
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 286349600
Equivalent to 17 /8s, 17 /16s and 89 /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: 13651
Total LACNIC prefixes after maximum aggregation: 3958
LACNIC Deaggregation factor: 3.45
Prefixes being announced from the LACNIC address blocks: 11742
Unique aggregates announced from the LACNIC address blocks: 6858
LACNIC Region origin ASes present in the Internet Routing Table: 758
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: 4.8
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 36213248
Equivalent to 2 /8s, 40 /16s and 146 /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: 2606
Total AfriNIC prefixes after maximum aggregation: 986
AfriNIC Deaggregation factor: 2.64
Prefixes being announced from the AfriNIC address blocks: 1870
Unique aggregates announced from the AfriNIC address blocks: 1080
AfriNIC Region origin ASes present in the Internet Routing Table: 175
AfriNIC Region origin ASes announcing only one prefix: 54
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5347328
Equivalent to 0 /8s, 81 /16s and 152 /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 1298 8637 267 CHINANET-BACKBONE
4755 1091 383 74 Videsh Sanchar Nigam Ltd. Aut
9583 1034 99 66 Sify Limited
9498 926 467 65 BHARTI BT INTERNET LTD.
4538 865 2909 36 China Education and Research
23577 775 34 703 KRNIC
4766 758 4946 312 Korea Telecom (KIX)
1221 611 1698 454 Telstra Pty Ltd
17488 583 36 23 Hathway IP Over Cable Interne
7545 565 126 76 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 503 103 27 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
9942 440 85 133 COMindico Australia
4812 437 759 69 China Telecom (Shanghai)
7474 385 212 240 SingTel Optus Pty Ltd
17974 368 129 14 PT TELEKOMUNIKASI INDONESIA
4802 361 86 149 Wantree Development
17557 356 35 169 Pakistan Telecom
17849 353 33 93 Telecommunications Technology
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 543 1912 422 UUNET - Commercial IP service
3215 388 2136 96 France Telecom Transpac
24863 388 45 15 LINKdotNET AS number
3301 304 1199 288 TeliaNet Sweden
3320 297 4993 248 Deutsche Telekom AG
8220 276 474 265 COLT Telecommunications
6746 268 93 245 Dynamic Network Technologies,
680 256 2042 250 DFN-IP service G-WiN
1257 252 1069 174 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 209 18 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
3300 187 171 95 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 4841 6691 748 UUNET Technologies, Inc.
7018 1547 6121 993 AT&T WorldNet Services
705 1400 552 605 UUNET Technologies, Inc.
2386 1107 585 733 AT&T Data Communications Serv
4323 1059 820 294 Time Warner Telecom
6197 1022 645 500 BellSouth Network Solutions,
18566 986 272 8 Covad Communications
174 913 6779 847 Cogent Communications
11492 910 99 14 Cable One
1239 834 2731 580 Sprint
19262 805 2554 183 Verizon Global Networks
7046 799 267 658 UUNET Technologies, Inc.
20115 786 686 417 Charter Communications
7011 720 212 446 Citizens Utilities
22773 716 1744 42 Cox Communications, Inc.
209 715 3750 564 Qwest
721 709 21852 285 DLA Systems Automation Center
852 623 1093 394 Telus Advanced Communications
577 584 760 209 Bell Advanced Communications
5668 569 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1298 1031 CHINANET-BACKBONE
4755 1091 1017 Videsh Sanchar Nigam Ltd. Aut
18566 986 978 Covad Communications
9583 1034 968 Sify Limited
11492 910 896 Cable One
9498 926 861 BHARTI BT INTERNET LTD.
4538 865 829 China Education and Research
705 1400 795 UUNET Technologies, Inc.
4323 1059 765 Time Warner Telecom
22773 716 674 Cox Communications, Inc.
8151 843 643 UniNet S.A. de C.V.
19262 805 622 Verizon Global Networks
17488 583 560 Hathway IP Over Cable Interne
7018 1547 554 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 565 489 TPG Internet Pty Ltd
855 558 485 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
65420 PRIVATE 193.227.230.89/32 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
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
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
192.172.0.0/19 721 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 /15:814 /16:9160 /17:3712 /18:6062
/19:13148 /20:14780 /21:13453 /22:17239 /23:18583 /24:117983
/25:710 /26:526 /27:443 /28:192 /29:151 /30:468
/31:0 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3599 4841 UUNET Technologies, Inc.
18566 969 986 Covad Communications
11492 896 910 Cable One
9583 863 1034 Sify Limited
705 862 1400 UUNET Technologies, Inc.
7018 847 1547 AT&T WorldNet Services
2386 832 1107 AT&T Data Communications Serv
6197 795 1022 BellSouth Network Solutions,
23577 761 775 KRNIC
7011 625 720 Citizens Utilities
9498 584 926 BHARTI BT INTERNET LTD.
4766 566 758 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 553 799 UUNET Technologies, Inc.
4538 533 865 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
5668 438 569 CenturyTel Internet Holdings,
18101 436 503 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:62 9:1 12:1678 13:1 15:15
16:3 17:3 18:5 20:36 24:872 25:1
32:176 38:274 40:57 41:58 44:2 47:10
52:4 55:1 56:3 57:52 58:307 59:401
60:200 61:981 62:1166 63:3338 64:3303 65:3642
66:3202 67:721 68:643 69:1736 70:414 71:130
72:1135 74:135 75:59 76:20 80:835 81:785
82:672 83:354 84:501 85:762 86:433 87:453
88:266 89:753 90:2 91:133 97:1 116:1
117:1 118:1 119:1 120:1 121:129 122:68
123:25 124:537 125:778 128:308 129:219 130:126
131:316 132:49 133:11 134:183 135:44 136:181
137:114 138:190 139:108 140:522 141:135 142:387
143:212 144:267 145:67 146:322 147:141 148:363
149:191 150:114 151:118 152:91 153:119 154:6
155:245 156:166 157:155 158:167 159:147 160:99
161:104 162:226 163:158 164:460 165:236 166:244
167:281 168:483 169:121 170:365 171:15 172:1
189:72 190:344 192:5775 193:3654 194:2949 195:2323
196:993 198:3922 199:3358 200:4622 201:956 202:7300
203:7357 204:4095 205:2205 206:2671 207:3134 208:3089
209:3691 210:2491 211:990 212:1353 213:1472 214:395
215:39 216:4271 217:1344 218:386 219:300 220:845
221:377 222:285
End of report
