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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 21 Feb, 2007
Analysis Summary
----------------
BGP routing table entries examined: 222407
Prefixes after maximum aggregation: 116363
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 103618
Total ASes present in the Internet Routing Table: 24468
Origin-only ASes present in the Internet Routing Table: 21294
Origin ASes announcing only one prefix: 10247
Transit ASes present in the Internet Routing Table: 3174
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN (17697) 13
Prefixes from unregistered ASNs in the Routing Table: 63
Unregistered ASNs in the Routing Table: 25
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1687444040
Equivalent to 100 /8s, 148 /16s and 90 /24s
Percentage of available address space announced: 45.5
Percentage of allocated address space announced: 62.6
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 117348
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 49012
Total APNIC prefixes after maximum aggregation: 19489
APNIC Deaggregation factor: 2.51
Prefixes being announced from the APNIC address blocks: 46097
Unique aggregates announced from the APNIC address blocks: 20291
APNIC Region origin ASes present in the Internet Routing Table: 2877
APNIC Region origin ASes announcing only one prefix: 777
APNIC Region transit ASes present in the Internet Routing Table: 434
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 290846880
Equivalent to 17 /8s, 85 /16s and 248 /24s
Percentage of available APNIC address space announced: 72.0
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: 111572
Total ARIN prefixes after maximum aggregation: 62731
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 82526
Unique aggregates announced from the ARIN address blocks: 29507
ARIN Region origin ASes present in the Internet Routing Table: 11355
ARIN Region origin ASes announcing only one prefix: 4340
ARIN Region transit ASes present in the Internet Routing Table: 1047
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 320297696
Equivalent to 19 /8s, 23 /16s and 90 /24s
Percentage of available ARIN address space announced: 70.7
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: 45061
Total RIPE prefixes after maximum aggregation: 29068
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 41966
Unique aggregates announced from the RIPE address blocks: 27073
RIPE Region origin ASes present in the Internet Routing Table: 9216
RIPE Region origin ASes announcing only one prefix: 4819
RIPE Region transit ASes present in the Internet Routing Table: 1486
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 291077760
Equivalent to 17 /8s, 89 /16s and 126 /24s
Percentage of available RIPE address space announced: 78.9
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: 14035
Total LACNIC prefixes after maximum aggregation: 4075
LACNIC Deaggregation factor: 3.44
Prefixes being announced from the LACNIC address blocks: 12106
Unique aggregates announced from the LACNIC address blocks: 7032
LACNIC Region origin ASes present in the Internet Routing Table: 763
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 134
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 37512448
Equivalent to 2 /8s, 60 /16s and 101 /24s
Percentage of available LACNIC address space announced: 55.9
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: 2666
Total AfriNIC prefixes after maximum aggregation: 998
AfriNIC Deaggregation factor: 2.67
Prefixes being announced from the AfriNIC address blocks: 1960
Unique aggregates announced from the AfriNIC address blocks: 1180
AfriNIC Region origin ASes present in the Internet Routing Table: 184
AfriNIC Region origin ASes announcing only one prefix: 60
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5416192
Equivalent to 0 /8s, 82 /16s and 165 /24s
Percentage of available AfriNIC address space announced: 16.1
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 1274 8702 278 CHINANET-BACKBONE
4755 1113 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1070 77 369 Sify Limited
9498 956 468 66 BHARTI BT INTERNET LTD.
23577 780 35 708 Korea Telecom (ATM-MPLS)
4766 767 4944 310 Korea Telecom (KIX)
1221 619 1686 451 Telstra Pty Ltd
17488 597 39 26 Hathway IP Over Cable Interne
7545 583 142 77 TPG Internet Pty Ltd
18101 522 103 23 Reliance Infocom Ltd Internet
17676 503 10935 65 Softbank BB Corp.
4812 499 763 72 China Telecom (Shanghai)
4668 461 67 12 LG-EDS Systems Inc.
7474 454 216 260 SingTel Optus Pty Ltd
9443 443 111 75 Primus Telecommunications
9942 432 85 127 COMindico Australia
17849 370 35 94 Telecommunications Technology
4802 360 86 148 Wantree Development
17557 346 33 162 Pakistan Telecom
2907 341 1765 312 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 547 1896 425 UUNET - Commercial IP service
2119 397 829 334 Telenor Internet Access
24863 324 44 24 LINKdotNET AS number
3301 313 1199 291 TeliaNet Sweden
3320 298 4993 249 Deutsche Telekom AG
8220 271 469 261 COLT Telecommunications
6746 268 95 247 Dynamic Network Technologies,
1257 262 1112 173 SWIPnet Swedish IP Network
680 257 2044 251 DFN-IP service G-WiN
8708 242 284 228 Romania Data Systems S.A.
3215 238 2224 92 France Telecom Transpac
5089 238 1657 51 NTL Group Limited
5416 220 14 11 BATELCO-BH
3269 212 2423 72 TELECOM ITALIA
3246 208 355 197 Song Networks
8551 205 197 25 Bezeq International
30890 205 17 97 SC Kappa Invexim SRL
3352 200 1783 33 Ibernet, Internet Access Netw
20858 197 34 3 EgyNet
3300 188 171 92 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4797 6695 751 UUNET Technologies, Inc.
7018 1497 6117 979 AT&T WorldNet Services
4323 1373 892 552 Time Warner Telecom
705 1328 558 599 UUNET Technologies, Inc.
6478 1130 451 198 AT&T Worldnet Services
2386 1107 570 732 AT&T Data Communications Serv
6197 1016 651 498 BellSouth Network Solutions,
18566 991 288 9 Covad Communications
11492 960 100 18 Cable One
174 937 6791 863 Cogent Communications
1239 818 2730 573 Sprint
20115 806 708 422 Charter Communications
7046 792 266 654 UUNET Technologies, Inc.
7011 785 226 474 Citizens Utilities
19262 757 2591 178 Verizon Global Networks
22773 732 1872 41 Cox Communications, Inc.
209 715 3744 571 Qwest
721 641 21787 274 DLA Systems Automation Center
852 620 1090 392 Telus Advanced Communications
577 587 760 204 Bell Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1113 1041 Videsh Sanchar Nigam Ltd. Aut
4134 1274 996 CHINANET-BACKBONE
18566 991 982 Covad Communications
11492 960 942 Cable One
6478 1130 932 AT&T Worldnet Services
9498 956 890 BHARTI BT INTERNET LTD.
4323 1373 821 Time Warner Telecom
8151 1015 804 UniNet S.A. de C.V.
705 1328 729 UUNET Technologies, Inc.
9583 1070 701 Sify Limited
22773 732 691 Cox Communications, Inc.
19262 757 579 Verizon Global Networks
17488 597 571 Hathway IP Over Cable Interne
5668 573 557 CenturyTel Internet Holdings,
7018 1497 518 AT&T WorldNet Services
6197 1016 518 BellSouth Network Solutions,
19916 568 514 OLM LLC
7545 583 506 TPG Internet Pty Ltd
18101 522 499 Reliance Infocom Ltd Internet
855 566 496 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65533 PRIVATE 4.33.8.0/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.16/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.32/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.48/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.64/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.80/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.96/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.112/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.128/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.144/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.160/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.176/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.192/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.208/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.224/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.240/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.0/26 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.128/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.192/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.224/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.0/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.16/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.32/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.48/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.64/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.80/28 293 Energy Sciences Netw
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
64512 PRIVATE 144.16.192.0/24 9583 Sify Limited
64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In
64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In
64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In
64542 PRIVATE 195.47.25.192/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In
64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In
64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In
64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In
64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In
65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
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
192.0.2.0/24 812 Rogers WAVE
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 /8:20 /9:9 /10:12 /11:34 /12:119
/13:238 /14:428 /15:831 /16:9263 /17:3788 /18:6258
/19:13367 /20:15107 /21:13739 /22:17814 /23:19177 /24:119192
/25:882 /26:659 /27:526 /28:218 /29:178 /30:470
/31:0 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3553 4797 UUNET Technologies, Inc.
6478 1077 1130 AT&T Worldnet Services
18566 973 991 Covad Communications
11492 946 960 Cable One
9583 907 1070 Sify Limited
2386 834 1107 AT&T Data Communications Serv
705 824 1328 UUNET Technologies, Inc.
7018 809 1497 AT&T WorldNet Services
6197 795 1016 BellSouth Network Solutions,
23577 766 780 Korea Telecom (ATM-MPLS)
7011 686 785 Citizens Utilities
9498 610 956 BHARTI BT INTERNET LTD.
4323 584 1373 Time Warner Telecom
4766 575 767 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 545 792 UUNET Technologies, Inc.
4755 521 1113 Videsh Sanchar Nigam Ltd. Aut
15270 475 507 PaeTec.net -a division of Pae
855 465 566 Canadian Research Network
4668 453 461 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:62 9:1 12:1809 13:1
15:16 16:3 17:3 18:5 20:38 24:908
25:1 32:172 38:281 40:57 41:89 44:2
47:7 52:4 55:1 56:3 57:52 58:320
59:388 60:211 61:961 62:1092 63:3332 64:3322
65:3667 66:3258 67:739 68:662 69:1744 70:459
71:98 72:1216 73:1 74:167 75:80 76:6
77:32 80:856 81:783 82:702 83:375 84:514
85:755 86:425 87:491 88:246 89:795 90:3
91:201 97:1 116:1 117:1 118:1 119:1
120:1 121:138 122:287 123:39 124:572 125:856
128:308 129:219 130:131 131:348 132:49 133:10
134:187 135:38 136:181 137:122 138:196 139:103
140:504 141:142 142:391 143:212 144:274 145:43
146:315 147:149 148:373 149:192 150:114 151:116
152:96 153:119 154:6 155:247 156:151 157:175
158:169 159:147 160:99 161:91 162:231 163:163
164:459 165:382 166:245 167:282 168:505 169:120
170:387 171:15 172:1 189:172 190:425 192:5796
193:3722 194:3010 195:2300 196:1016 198:3890 199:3355
200:4614 201:983 202:7223 203:7392 204:4109 205:2174
206:2620 207:3102 208:3162 209:3735 210:2388 211:974
212:1370 213:1479 214:405 215:39 216:4285 217:1179
218:367 219:272 220:870 221:373 222:260
End of report
