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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 03 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 226743
Prefixes after maximum aggregation: 118049
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 105668
Total ASes present in the Internet Routing Table: 24857
Origin-only ASes present in the Internet Routing Table: 21615
Origin ASes announcing only one prefix: 10418
Transit ASes present in the Internet Routing Table: 3242
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 33
Max AS path prepend of ASN (34142) 15
Prefixes from unregistered ASNs in the Routing Table: 79
Unregistered ASNs in the Routing Table: 26
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1698543376
Equivalent to 101 /8s, 61 /16s and 183 /24s
Percentage of available address space announced: 45.8
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 120581
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50756
Total APNIC prefixes after maximum aggregation: 20174
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 47707
Unique aggregates announced from the APNIC address blocks: 21107
APNIC Region origin ASes present in the Internet Routing Table: 2920
APNIC Region origin ASes announcing only one prefix: 779
APNIC Region transit ASes present in the Internet Routing Table: 444
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 290688036
Equivalent to 17 /8s, 83 /16s and 140 /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: 112465
Total ARIN prefixes after maximum aggregation: 62876
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 83725
Unique aggregates announced from the ARIN address blocks: 30082
ARIN Region origin ASes present in the Internet Routing Table: 11457
ARIN Region origin ASes announcing only one prefix: 4377
ARIN Region transit ASes present in the Internet Routing Table: 1064
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 324103136
Equivalent to 19 /8s, 81 /16s and 107 /24s
Percentage of available ARIN address space announced: 71.5
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: 46359
Total RIPE prefixes after maximum aggregation: 29920
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43025
Unique aggregates announced from the RIPE address blocks: 27625
RIPE Region origin ASes present in the Internet Routing Table: 9439
RIPE Region origin ASes announcing only one prefix: 4947
RIPE Region transit ASes present in the Internet Routing Table: 1528
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 297693632
Equivalent to 17 /8s, 190 /16s and 113 /24s
Percentage of available RIPE address space announced: 73.9
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, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 14461
Total LACNIC prefixes after maximum aggregation: 4063
LACNIC Deaggregation factor: 3.56
Prefixes being announced from the LACNIC address blocks: 12557
Unique aggregates announced from the LACNIC address blocks: 7123
LACNIC Region origin ASes present in the Internet Routing Table: 778
LACNIC Region origin ASes announcing only one prefix: 255
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 38680064
Equivalent to 2 /8s, 78 /16s and 54 /24s
Percentage of available LACNIC address space announced: 57.6
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: 2623
Total AfriNIC prefixes after maximum aggregation: 1010
AfriNIC Deaggregation factor: 2.60
Prefixes being announced from the AfriNIC address blocks: 1956
Unique aggregates announced from the AfriNIC address blocks: 1165
AfriNIC Region origin ASes present in the Internet Routing Table: 185
AfriNIC Region origin ASes announcing only one prefix: 60
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5442560
Equivalent to 0 /8s, 83 /16s and 12 /24s
Percentage of available AfriNIC address space announced: 16.2
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 1285 9422 281 CHINANET-BACKBONE
4755 1176 383 77 Videsh Sanchar Nigam Ltd. Aut
9583 1103 78 381 Sify Limited
9498 967 469 70 BHARTI BT INTERNET LTD.
4766 788 4943 314 Korea Telecom (KIX)
23577 786 35 711 Korea Telecom (ATM-MPLS)
17488 626 41 32 Hathway IP Over Cable Interne
1221 622 1973 464 Telstra Pty Ltd
7545 611 142 79 TPG Internet Pty Ltd
18101 538 116 27 Reliance Infocom Ltd Internet
17676 503 10935 65 Softbank BB Corp.
4668 502 68 10 LG-EDS Systems Inc.
9443 453 111 73 Primus Telecommunications
4812 452 791 72 China Telecom (Shanghai)
7474 451 215 259 SingTel Optus Pty Ltd
9942 430 84 123 COMindico Australia
17557 373 35 173 Pakistan Telecom
4802 360 86 148 Wantree Development
4837 344 4500 155 chinanet IDC center beijing n
2907 342 1749 313 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 841 892 601 Telenor Internet Access
702 521 1893 415 UUNET - Commercial IP service
24863 339 46 31 LINKdotNET AS number
3301 312 1455 291 TeliaNet Sweden
3320 301 4993 249 Deutsche Telekom AG
6746 272 95 250 Dynamic Network Technologies,
8220 272 468 261 COLT Telecommunications
680 258 2044 251 DFN-IP service G-WiN
5416 254 16 12 BATELCO-BH
3215 239 2256 92 France Telecom Transpac
5089 235 1657 53 NTL Group Limited
1257 234 1180 168 SWIPnet Swedish IP Network
8708 232 286 225 Romania Data Systems S.A.
3269 215 2583 72 TELECOM ITALIA
3246 208 356 197 Song Networks
8551 208 197 27 Bezeq International
30890 205 17 96 SC Kappa Invexim SRL
20858 199 34 4 EgyNet
3352 195 1795 36 Ibernet, Internet Access Netw
3300 189 171 90 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4734 6660 728 UUNET Technologies, Inc.
7018 1504 10231 983 AT&T WorldNet Services
4323 1447 1020 351 Time Warner Telecom
705 1182 554 595 UUNET Technologies, Inc.
2386 1091 558 733 AT&T Data Communications Serv
6478 1079 331 153 AT&T Worldnet Services
6197 1026 680 500 BellSouth Network Solutions,
11492 1017 102 12 Cable One
18566 999 288 9 Covad Communications
174 943 6791 860 Cogent Communications
20115 810 720 425 Charter Communications
1239 809 2699 562 Sprint
7046 791 266 651 UUNET Technologies, Inc.
7011 780 225 462 Citizens Utilities
209 726 3733 575 Qwest
19262 721 2582 162 Verizon Global Networks
22773 694 1871 42 Cox Communications, Inc.
721 619 21756 274 DLA Systems Automation Center
577 606 776 202 Bell Advanced Communications
852 606 1096 379 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1176 1099 Videsh Sanchar Nigam Ltd. Aut
4323 1447 1096 Time Warner Telecom
11492 1017 1005 Cable One
4134 1285 1004 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1079 926 AT&T Worldnet Services
9498 967 897 BHARTI BT INTERNET LTD.
8151 1061 850 UniNet S.A. de C.V.
9583 1103 722 Sify Limited
22773 694 652 Cox Communications, Inc.
17488 626 594 Hathway IP Over Cable Interne
705 1182 587 UUNET Technologies, Inc.
5668 581 564 CenturyTel Internet Holdings,
19262 721 559 Verizon Global Networks
7545 611 532 TPG Internet Pty Ltd
6197 1026 526 BellSouth Network Solutions,
7018 1504 521 AT&T WorldNet Services
19916 568 514 OLM LLC
18101 538 511 Reliance Infocom Ltd Internet
855 565 494 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 4.33.9.160/27 293 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
65533 PRIVATE 4.33.10.96/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.112/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.128/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.144/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.160/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.176/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.192/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.224/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.240/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.11.80/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.11.112/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.11.224/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.11.240/28 293 Energy Sciences Netw
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
64519 PRIVATE 87.198.212.128/25 34245 Magnet Networks AS
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65192 PRIVATE 193.110.54.0/24 24652 Juniper Networks, Eu
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.
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
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 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 /9:9 /10:12 /11:33 /12:125
/13:244 /14:445 /15:854 /16:9368 /17:3868 /18:6380
/19:13545 /20:15307 /21:13874 /22:18270 /23:19779 /24:121073
/25:992 /26:1075 /27:570 /28:222 /29:168 /30:426
/31:0 /32:85
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3527 4734 UUNET Technologies, Inc.
6478 1070 1079 AT&T Worldnet Services
11492 1003 1017 Cable One
18566 981 999 Covad Communications
9583 943 1103 Sify Limited
7018 818 1504 AT&T WorldNet Services
2386 812 1091 AT&T Data Communications Serv
6197 791 1026 BellSouth Network Solutions,
23577 772 786 Korea Telecom (ATM-MPLS)
705 745 1182 UUNET Technologies, Inc.
2119 744 841 Telenor Internet Access
7011 683 780 Citizens Utilities
4323 632 1447 Time Warner Telecom
9498 630 967 BHARTI BT INTERNET LTD.
4766 593 788 Korea Telecom (KIX)
4755 570 1176 Videsh Sanchar Nigam Ltd. Aut
19916 563 568 OLM LLC
7046 544 791 UUNET Technologies, Inc.
4668 492 502 LG-EDS Systems Inc.
15270 484 516 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:65 9:1 12:1812 15:19
16:3 17:3 18:8 20:38 24:939 25:1
32:174 38:294 40:56 41:110 44:2 47:4
52:4 55:1 56:3 57:52 58:353 59:359
60:228 61:920 62:1062 63:3370 64:3252 65:3656
66:3296 67:780 68:638 69:1802 70:495 71:110
72:1243 73:1 74:348 75:174 76:31 77:143
80:832 81:773 82:770 83:404 84:483 85:827
86:382 87:458 88:246 89:873 90:19 91:242
97:1 116:11 117:1 118:1 119:1 120:1
121:168 122:521 123:63 124:756 125:915 128:274
129:224 130:122 131:353 132:51 133:11 134:189
135:37 136:172 137:92 138:193 139:107 140:470
141:143 142:394 143:212 144:282 145:43 146:323
147:151 148:382 149:190 150:115 151:122 152:95
153:121 154:6 155:250 156:152 157:181 158:161
159:150 160:103 161:93 162:234 163:142 164:461
165:401 166:246 167:283 168:503 169:120 170:393
171:15 172:1 189:229 190:547 192:5801 193:3797
194:3101 195:2278 196:968 198:3866 199:3369 200:4607
201:1010 202:7320 203:7466 204:4080 205:2208 206:2671
207:3173 208:3283 209:3724 210:2400 211:975 212:1307
213:1465 214:411 215:39 216:4191 217:1175 218:373
219:293 220:913 221:390 222:273
End of report
