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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 26 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 218660
Prefixes after maximum aggregation: 114358
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 101157
Total ASes present in the Internet Routing Table: 24275
Origin-only ASes present in the Internet Routing Table: 21080
Origin ASes announcing only one prefix: 10180
Transit ASes present in the Internet Routing Table: 3195
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 39
Max AS path prepend of ASN (14282) 36
Prefixes from unregistered ASNs in the Routing Table: 16
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1663484392
Equivalent to 99 /8s, 38 /16s and 193 /24s
Percentage of available address space announced: 44.9
Percentage of allocated address space announced: 61.7
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 114304
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47589
Total APNIC prefixes after maximum aggregation: 18831
APNIC Deaggregation factor: 2.53
Prefixes being announced from the APNIC address blocks: 44946
Unique aggregates announced from the APNIC address blocks: 19245
APNIC Region origin ASes present in the Internet Routing Table: 2842
APNIC Region origin ASes announcing only one prefix: 787
APNIC Region transit ASes present in the Internet Routing Table: 437
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 277117600
Equivalent to 16 /8s, 132 /16s and 122 /24s
Percentage of available APNIC address space announced: 68.6
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, 116/6, 120/6, 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: 110247
Total ARIN prefixes after maximum aggregation: 62129
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 82169
Unique aggregates announced from the ARIN address blocks: 29033
ARIN Region origin ASes present in the Internet Routing Table: 11311
ARIN Region origin ASes announcing only one prefix: 4321
ARIN Region transit ASes present in the Internet Routing Table: 1066
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 314812640
Equivalent to 18 /8s, 195 /16s and 168 /24s
Percentage of available ARIN address space announced: 69.5
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: 44329
Total RIPE prefixes after maximum aggregation: 28436
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41197
Unique aggregates announced from the RIPE address blocks: 26470
RIPE Region origin ASes present in the Internet Routing Table: 9111
RIPE Region origin ASes announcing only one prefix: 4770
RIPE Region transit ASes present in the Internet Routing Table: 1480
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 287167648
Equivalent to 17 /8s, 29 /16s and 212 /24s
Percentage of available RIPE address space announced: 77.8
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: 13872
Total LACNIC prefixes after maximum aggregation: 3977
LACNIC Deaggregation factor: 3.49
Prefixes being announced from the LACNIC address blocks: 11889
Unique aggregates announced from the LACNIC address blocks: 6892
LACNIC Region origin ASes present in the Internet Routing Table: 760
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 39
Number of LACNIC addresses announced to Internet: 36479488
Equivalent to 2 /8s, 44 /16s and 162 /24s
Percentage of available LACNIC address space announced: 54.4
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: 2609
Total AfriNIC prefixes after maximum aggregation: 984
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 1884
Unique aggregates announced from the AfriNIC address blocks: 1079
AfriNIC Region origin ASes present in the Internet Routing Table: 174
AfriNIC Region origin ASes announcing only one prefix: 53
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 5380864
Equivalent to 0 /8s, 82 /16s and 27 /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 1271 8635 269 CHINANET-BACKBONE
4755 1089 383 73 Videsh Sanchar Nigam Ltd. Aut
9583 1035 109 16 Sify Limited
9498 934 467 64 BHARTI BT INTERNET LTD.
23577 774 34 701 Korea Telecom (ATM-MPLS)
4766 763 4944 313 Korea Telecom (KIX)
1221 609 1697 452 Telstra Pty Ltd
17488 588 37 20 Hathway IP Over Cable Interne
7545 561 126 75 TPG Internet Pty Ltd
18101 515 103 27 Reliance Infocom Ltd Internet
17676 503 10935 66 Softbank BB Corp.
9443 441 111 74 Primus Telecommunications
4812 435 759 68 China Telecom (Shanghai)
9942 428 85 125 COMindico Australia
7474 389 212 245 SingTel Optus Pty Ltd
17974 383 129 14 PT TELEKOMUNIKASI INDONESIA
4802 365 86 151 Wantree Development
17849 353 33 93 Telecommunications Technology
17557 349 34 168 Pakistan Telecom
2907 340 1749 311 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1897 424 UUNET - Commercial IP service
3215 390 2192 93 France Telecom Transpac
24863 388 45 15 LINKdotNET AS number
3301 305 1199 287 TeliaNet Sweden
3320 298 4993 249 Deutsche Telekom AG
8220 272 470 262 COLT Telecommunications
6746 270 95 247 Dynamic Network Technologies,
680 257 2044 251 DFN-IP service G-WiN
1257 250 1069 173 SWIPnet Swedish IP Network
5089 241 1657 52 NTL Group Limited
8708 233 283 220 Romania Data Systems S.A.
3269 213 2391 71 TELECOM ITALIA
30890 211 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 186 171 93 AUCS Communications Services
3352 182 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 4848 6694 746 UUNET Technologies, Inc.
7018 1543 6103 991 AT&T WorldNet Services
705 1400 553 604 UUNET Technologies, Inc.
2386 1108 601 724 AT&T Data Communications Serv
4323 1043 816 284 Time Warner Telecom
6197 1022 647 501 BellSouth Network Solutions,
18566 987 272 8 Covad Communications
174 935 6789 864 Cogent Communications
11492 912 99 14 Cable One
1239 829 2739 577 Sprint
19262 808 2576 180 Verizon Global Networks
7046 797 267 653 UUNET Technologies, Inc.
20115 795 689 412 Charter Communications
7011 730 218 453 Citizens Utilities
22773 723 1872 41 Cox Communications, Inc.
209 719 3750 566 Qwest
721 688 21836 280 DLA Systems Automation Center
852 624 1093 395 Telus Advanced Communications
577 584 760 206 Bell Advanced Communications
5668 578 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
9583 1035 1019 Sify Limited
4755 1089 1016 Videsh Sanchar Nigam Ltd. Aut
4134 1271 1002 CHINANET-BACKBONE
18566 987 979 Covad Communications
11492 912 898 Cable One
9498 934 870 BHARTI BT INTERNET LTD.
705 1400 796 UUNET Technologies, Inc.
4323 1043 759 Time Warner Telecom
8151 909 707 UniNet S.A. de C.V.
22773 723 682 Cox Communications, Inc.
19262 808 628 Verizon Global Networks
17488 588 568 Hathway IP Over Cable Interne
5668 578 559 CenturyTel Internet Holdings,
7018 1543 552 AT&T WorldNet Services
6197 1022 521 BellSouth Network Solutions,
19916 568 514 OLM LLC
11830 504 495 Instituto Costarricense de El
855 565 492 Canadian Research Network
18101 515 488 Reliance Infocom Ltd Internet
7545 561 486 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65512 PRIVATE 72.165.202.0/24 32631 SunRocket, Inc.
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
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
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
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 /10:12 /11:33 /12:117
/13:238 /14:416 /15:818 /16:9239 /17:3742 /18:6087
/19:13180 /20:14800 /21:13355 /22:17219 /23:18603 /24:118158
/25:756 /26:529 /27:462 /28:182 /29:148 /30:463
/31:0 /32:74
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3605 4848 UUNET Technologies, Inc.
18566 970 987 Covad Communications
11492 898 912 Cable One
9583 863 1035 Sify Limited
705 862 1400 UUNET Technologies, Inc.
7018 848 1543 AT&T WorldNet Services
2386 831 1108 AT&T Data Communications Serv
6197 794 1022 BellSouth Network Solutions,
23577 760 774 Korea Telecom (ATM-MPLS)
7011 633 730 Citizens Utilities
9498 591 934 BHARTI BT INTERNET LTD.
4766 571 763 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 550 797 UUNET Technologies, Inc.
4755 500 1089 Videsh Sanchar Nigam Ltd. Aut
15270 468 500 PaeTec.net -a division of Pae
855 464 565 Canadian Research Network
18101 447 515 Reliance Infocom Ltd Internet
5668 444 578 CenturyTel Internet Holdings,
17488 411 588 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:61 9:1 12:1675 13:1
15:15 16:3 17:3 18:5 20:38 24:877
25:1 32:175 38:278 40:57 41:65 44:2
47:10 52:4 55:1 56:3 57:43 58:299
59:376 60:204 61:972 62:1180 63:3341 64:3316
65:3666 66:3231 67:732 68:639 69:1731 70:428
71:133 72:1141 73:1 74:149 75:62 76:22
80:833 81:778 82:697 83:359 84:497 85:755
86:452 87:468 88:275 89:760 90:2 91:146
97:1 116:1 117:1 118:1 119:1 120:1
121:130 122:68 123:26 124:575 125:785 128:306
129:221 130:126 131:317 132:49 133:11 134:182
135:44 136:180 137:118 138:190 139:102 140:518
141:137 142:393 143:213 144:292 145:67 146:321
147:142 148:367 149:193 150:115 151:117 152:91
153:118 154:6 155:250 156:125 157:174 158:170
159:147 160:98 161:91 162:227 163:162 164:460
165:288 166:246 167:281 168:497 169:121 170:379
171:15 172:1 189:131 190:351 192:5797 193:3658
194:2958 195:2329 196:998 198:3937 199:3356 200:4629
201:960 202:7221 203:7360 204:4101 205:2205 206:2668
207:3152 208:3134 209:3702 210:2344 211:933 212:1354
213:1471 214:396 215:39 216:4239 217:1343 218:375
219:268 220:860 221:378 222:280
End of report
