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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 23 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 218273
Prefixes after maximum aggregation: 114326
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 101026
Total ASes present in the Internet Routing Table: 24255
Origin-only ASes present in the Internet Routing Table: 21049
Origin ASes announcing only one prefix: 10191
Transit ASes present in the Internet Routing Table: 3206
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.8
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: 16
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 26
Number of addresses announced to Internet: 1661742152
Equivalent to 99 /8s, 12 /16s and 44 /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: 114105
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47374
Total APNIC prefixes after maximum aggregation: 18842
APNIC Deaggregation factor: 2.51
Prefixes being announced from the APNIC address blocks: 44738
Unique aggregates announced from the APNIC address blocks: 19152
APNIC Region origin ASes present in the Internet Routing Table: 2842
APNIC Region origin ASes announcing only one prefix: 790
APNIC Region transit ASes present in the Internet Routing Table: 439
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 276527424
Equivalent to 16 /8s, 123 /16s and 121 /24s
Percentage of available APNIC address space announced: 86.5
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, 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: 110045
Total ARIN prefixes after maximum aggregation: 62054
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 82025
Unique aggregates announced from the ARIN address blocks: 28931
ARIN Region origin ASes present in the Internet Routing Table: 11293
ARIN Region origin ASes announcing only one prefix: 4313
ARIN Region transit ASes present in the Internet Routing Table: 1072
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 313980896
Equivalent to 18 /8s, 182 /16s and 247 /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: 44444
Total RIPE prefixes after maximum aggregation: 28476
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41306
Unique aggregates announced from the RIPE address blocks: 26555
RIPE Region origin ASes present in the Internet Routing Table: 9110
RIPE Region origin ASes announcing only one prefix: 4785
RIPE Region transit ASes present in the Internet Routing Table: 1488
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 286748576
Equivalent to 17 /8s, 23 /16s and 111 /24s
Percentage of available RIPE address space announced: 77.7
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: 13810
Total LACNIC prefixes after maximum aggregation: 3984
LACNIC Deaggregation factor: 3.47
Prefixes being announced from the LACNIC address blocks: 11811
Unique aggregates announced from the LACNIC address blocks: 6875
LACNIC Region origin ASes present in the Internet Routing Table: 760
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 39
Number of LACNIC addresses announced to Internet: 36300032
Equivalent to 2 /8s, 41 /16s and 229 /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: 2579
Total AfriNIC prefixes after maximum aggregation: 969
AfriNIC Deaggregation factor: 2.66
Prefixes being announced from the AfriNIC address blocks: 1865
Unique aggregates announced from the AfriNIC address blocks: 1079
AfriNIC Region origin ASes present in the Internet Routing Table: 171
AfriNIC Region origin ASes announcing only one prefix: 53
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5366016
Equivalent to 0 /8s, 81 /16s and 225 /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 1266 8641 277 CHINANET-BACKBONE
4755 1084 383 76 Videsh Sanchar Nigam Ltd. Aut
9583 1029 109 16 Sify Limited
9498 927 467 64 BHARTI BT INTERNET LTD.
23577 778 35 704 KRNIC
4766 759 4944 312 Korea Telecom (KIX)
1221 606 1697 450 Telstra Pty Ltd
17488 584 36 20 Hathway IP Over Cable Interne
7545 563 126 76 TPG Internet Pty Ltd
18101 514 103 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 434 85 130 COMindico Australia
7474 386 212 240 SingTel Optus Pty Ltd
4802 362 86 149 Wantree Development
17557 353 35 171 Pakistan Telecom
17849 353 33 93 Telecommunications Technology
2907 335 1749 310 SINET Japan
4837 333 4071 146 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 548 1881 427 UUNET - Commercial IP service
24863 388 45 15 LINKdotNET AS number
3215 387 2144 91 France Telecom Transpac
3301 305 1199 287 TeliaNet Sweden
3320 298 4993 249 Deutsche Telekom AG
8220 275 474 265 COLT Telecommunications
6746 270 95 247 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 213 2391 71 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
2119 186 772 163 Telenor Internet Access
3300 185 170 93 AUCS Communications Services
3352 177 1767 31 Ibernet, Internet Access Netw
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4841 6690 746 UUNET Technologies, Inc.
7018 1538 6103 982 AT&T WorldNet Services
705 1403 552 606 UUNET Technologies, Inc.
2386 1106 585 730 AT&T Data Communications Serv
4323 1062 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 834 2731 580 Sprint
19262 806 2570 184 Verizon Global Networks
7046 799 267 656 UUNET Technologies, Inc.
20115 788 685 419 Charter Communications
7011 723 216 448 Citizens Utilities
22773 719 1744 42 Cox Communications, Inc.
209 711 3749 562 Qwest
721 707 21853 285 DLA Systems Automation Center
852 623 1093 394 Telus Advanced Communications
577 587 760 210 Bell Advanced Communications
5668 572 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
9583 1029 1013 Sify Limited
4755 1084 1008 Videsh Sanchar Nigam Ltd. Aut
4134 1266 989 CHINANET-BACKBONE
18566 986 978 Covad Communications
11492 910 896 Cable One
9498 927 863 BHARTI BT INTERNET LTD.
705 1403 797 UUNET Technologies, Inc.
4323 1062 765 Time Warner Telecom
22773 719 677 Cox Communications, Inc.
8151 847 643 UniNet S.A. de C.V.
19262 806 622 Verizon Global Networks
17488 584 564 Hathway IP Over Cable Interne
7018 1538 556 AT&T WorldNet Services
5668 572 553 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
18101 514 487 Reliance Infocom Ltd Internet
855 558 485 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64512 PRIVATE 80.66.96.0/20 3209 Arcor IP-Network
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
64513 PRIVATE 124.30.168.0/23 9583 Sify Limited
64513 PRIVATE 124.30.170.0/24 9583 Sify Limited
64513 PRIVATE 124.30.171.0/24 9583 Sify Limited
64513 PRIVATE 124.30.172.0/24 9583 Sify Limited
64513 PRIVATE 124.30.173.0/24 9583 Sify Limited
64513 PRIVATE 124.30.174.0/24 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
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
65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp
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
192.153.136.0/21 721 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 /15:817 /16:9161 /17:3744 /18:6090
/19:13143 /20:14786 /21:13332 /22:17196 /23:18560 /24:117953
/25:768 /26:542 /27:464 /28:184 /29:147 /30:463
/31:0 /32:74
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3601 4841 UUNET Technologies, Inc.
18566 969 986 Covad Communications
11492 896 910 Cable One
705 863 1403 UUNET Technologies, Inc.
9583 858 1029 Sify Limited
7018 848 1538 AT&T WorldNet Services
2386 831 1106 AT&T Data Communications Serv
6197 795 1022 BellSouth Network Solutions,
23577 764 778 KRNIC
7011 626 723 Citizens Utilities
9498 585 927 BHARTI BT INTERNET LTD.
4766 568 759 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 553 799 UUNET Technologies, Inc.
4755 496 1084 Videsh Sanchar Nigam Ltd. Aut
15270 468 500 PaeTec.net -a division of Pae
855 458 558 Canadian Research Network
18101 446 514 Reliance Infocom Ltd Internet
5668 437 572 CenturyTel Internet Holdings,
1239 414 834 Sprint
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 24:876
25:1 32:175 38:276 40:57 41:62 44:2
47:10 52:4 55:1 56:3 57:52 58:300
59:375 60:200 61:968 62:1180 63:3339 64:3314
65:3635 66:3220 67:731 68:641 69:1740 70:418
71:133 72:1116 73:1 74:141 75:62 76:20
80:840 81:784 82:689 83:360 84:498 85:812
86:438 87:467 88:269 89:771 90:2 91:140
97:1 116:1 117:1 118:1 119:1 120:1
121:129 122:67 123:25 124:560 125:781 128:308
129:220 130:125 131:307 132:49 133:11 134:183
135:41 136:180 137:114 138:190 139:106 140:519
141:137 142:388 143:211 144:267 145:67 146:323
147:141 148:364 149:191 150:114 151:118 152:95
153:119 154:6 155:248 156:166 157:170 158:169
159:147 160:99 161:104 162:227 163:160 164:452
165:285 166:245 167:281 168:497 169:121 170:378
171:15 172:1 189:73 190:353 192:5790 193:3659
194:2961 195:2323 196:986 198:3921 199:3358 200:4633
201:966 202:7196 203:7336 204:4114 205:2207 206:2667
207:3138 208:3115 209:3701 210:2341 211:932 212:1371
213:1476 214:392 215:33 216:4255 217:1343 218:375
219:266 220:858 221:379 222:269
End of report
