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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 04 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 226992
Prefixes after maximum aggregation: 118141
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 104460
Total ASes present in the Internet Routing Table: 24870
Origin-only ASes present in the Internet Routing Table: 21570
Origin ASes announcing only one prefix: 10430
Transit ASes present in the Internet Routing Table: 3300
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 5.7
Max AS path length visible: 28
Max AS path prepend of ASN (34142) 15
Prefixes from unregistered ASNs in the Routing Table: 81
Unregistered ASNs in the Routing Table: 29
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1702067216
Equivalent to 101 /8s, 115 /16s and 124 /24s
Percentage of available address space announced: 45.9
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 120785
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50702
Total APNIC prefixes after maximum aggregation: 20136
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 47656
Unique aggregates announced from the APNIC address blocks: 21052
APNIC Region origin ASes present in the Internet Routing Table: 2918
APNIC Region origin ASes announcing only one prefix: 780
APNIC Region transit ASes present in the Internet Routing Table: 450
Average APNIC Region AS path length visible: 6.3
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 291056420
Equivalent to 17 /8s, 89 /16s and 43 /24s
Percentage of available APNIC address space announced: 72.1
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: 112513
Total ARIN prefixes after maximum aggregation: 62890
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 83786
Unique aggregates announced from the ARIN address blocks: 30115
ARIN Region origin ASes present in the Internet Routing Table: 11456
ARIN Region origin ASes announcing only one prefix: 4376
ARIN Region transit ASes present in the Internet Routing Table: 1090
Average ARIN Region AS path length visible: 5.5
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 324991968
Equivalent to 19 /8s, 94 /16s and 251 /24s
Percentage of available ARIN address space announced: 71.7
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: 46533
Total RIPE prefixes after maximum aggregation: 30004
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43172
Unique aggregates announced from the RIPE address blocks: 26466
RIPE Region origin ASes present in the Internet Routing Table: 9457
RIPE Region origin ASes announcing only one prefix: 4960
RIPE Region transit ASes present in the Internet Routing Table: 1553
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 299108288
Equivalent to 17 /8s, 212 /16s and 7 /24s
Percentage of available RIPE address space announced: 74.3
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: 14529
Total LACNIC prefixes after maximum aggregation: 4080
LACNIC Deaggregation factor: 3.56
Prefixes being announced from the LACNIC address blocks: 12608
Unique aggregates announced from the LACNIC address blocks: 7088
LACNIC Region origin ASes present in the Internet Routing Table: 776
LACNIC Region origin ASes announcing only one prefix: 256
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 6.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 38686464
Equivalent to 2 /8s, 78 /16s and 79 /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: 2634
Total AfriNIC prefixes after maximum aggregation: 1025
AfriNIC Deaggregation factor: 2.57
Prefixes being announced from the AfriNIC address blocks: 1960
Unique aggregates announced from the AfriNIC address blocks: 1164
AfriNIC Region origin ASes present in the Internet Routing Table: 186
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 5.7
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5966336
Equivalent to 0 /8s, 91 /16s and 10 /24s
Percentage of available AfriNIC address space announced: 17.8
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 1175 383 77 Videsh Sanchar Nigam Ltd. Aut
9583 1103 78 377 Sify Limited
9498 968 469 71 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 621 1973 463 Telstra Pty Ltd
7545 611 142 78 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 431 84 124 COMindico Australia
17557 371 35 172 Pakistan Telecom
4802 361 86 149 Wantree Development
4837 346 4596 157 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 927 897 645 Telenor Internet Access
702 522 1941 416 UUNET - Commercial IP service
24863 338 46 30 LINKdotNET AS number
3301 309 1455 289 TeliaNet Sweden
3320 301 4993 249 Deutsche Telekom AG
6746 273 95 251 Dynamic Network Technologies,
8220 270 468 259 COLT Telecommunications
680 257 2044 250 DFN-IP service G-WiN
5416 254 16 12 BATELCO-BH
3215 239 2256 92 France Telecom Transpac
1257 235 1180 169 SWIPnet Swedish IP Network
5089 235 1657 53 NTL Group Limited
8708 233 287 226 Romania Data Systems S.A.
3269 215 2583 72 TELECOM ITALIA
3246 212 357 201 Song Networks
8551 208 197 27 Bezeq International
30890 205 17 93 SC Kappa Invexim SRL
20858 199 34 4 EgyNet
3352 195 1795 36 Ibernet, Internet Access Netw
3300 190 171 91 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4731 6658 718 UUNET Technologies, Inc.
7018 1503 6135 988 AT&T WorldNet Services
4323 1449 1021 351 Time Warner Telecom
705 1170 553 593 UUNET Technologies, Inc.
2386 1088 558 730 AT&T Data Communications Serv
6478 1083 332 157 AT&T Worldnet Services
6197 1032 680 500 BellSouth Network Solutions,
11492 1022 102 12 Cable One
18566 999 288 9 Covad Communications
174 940 6790 858 Cogent Communications
1239 821 2700 571 Sprint
20115 810 722 431 Charter Communications
7046 789 266 649 UUNET Technologies, Inc.
7011 781 225 463 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
577 610 776 205 Bell Advanced Communications
852 606 1096 379 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1449 1098 Time Warner Telecom
4755 1175 1098 Videsh Sanchar Nigam Ltd. Aut
11492 1022 1010 Cable One
4134 1285 1004 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1083 926 AT&T Worldnet Services
9498 968 897 BHARTI BT INTERNET LTD.
8151 1059 850 UniNet S.A. de C.V.
9583 1103 726 Sify Limited
22773 694 652 Cox Communications, Inc.
17488 626 594 Hathway IP Over Cable Interne
705 1170 577 UUNET Technologies, Inc.
5668 582 565 CenturyTel Internet Holdings,
19262 721 559 Verizon Global Networks
7545 611 533 TPG Internet Pty Ltd
6197 1032 532 BellSouth Network Solutions,
7018 1503 515 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
42599 UNALLOCATED 77.243.240.0/21 20870 Kavkaz TransTeleCom
64519 PRIVATE 87.198.212.128/25 34245 Magnet Networks AS
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65027 PRIVATE 135.196.97.168/29 8190 VIATEL
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.
65105 PRIVATE 195.219.216.0/21 6453 Teleglobe Inc.
65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
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 /8:20 /9:9 /10:12 /11:32 /12:124
/13:246 /14:446 /15:858 /16:9374 /17:3865 /18:6388
/19:13547 /20:15320 /21:13901 /22:18309 /23:19816 /24:121126
/25:1023 /26:1101 /27:574 /28:222 /29:168 /30:426
/31:0 /32:85
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3528 4731 UUNET Technologies, Inc.
6478 1074 1083 AT&T Worldnet Services
11492 1008 1022 Cable One
18566 981 999 Covad Communications
9583 943 1103 Sify Limited
2119 830 927 Telenor Internet Access
7018 815 1503 AT&T WorldNet Services
2386 810 1088 AT&T Data Communications Serv
6197 797 1032 BellSouth Network Solutions,
23577 772 786 Korea Telecom (ATM-MPLS)
705 738 1170 UUNET Technologies, Inc.
7011 684 781 Citizens Utilities
4323 634 1449 Time Warner Telecom
9498 631 968 BHARTI BT INTERNET LTD.
4766 593 788 Korea Telecom (KIX)
4755 570 1175 Videsh Sanchar Nigam Ltd. Aut
19916 563 568 OLM LLC
7046 543 789 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 12:1810 15:19
16:3 17:3 18:8 20:38 24:937 25:1
32:146 38:294 40:56 41:110 44:2 47:4
52:4 55:1 56:3 57:52 58:353 59:347
60:228 61:920 62:1060 63:3361 64:3258 65:3656
66:3305 67:784 68:642 69:1802 70:495 71:110
72:1245 73:1 74:350 75:174 76:31 77:156
80:825 81:795 82:789 83:406 84:477 85:829
86:380 87:440 88:246 89:878 90:19 91:244
97:1 116:11 117:1 118:1 119:1 120:1
121:167 122:523 123:63 124:747 125:914 128:274
129:224 130:122 131:354 132:51 133:11 134:192
135:37 136:175 137:92 138:193 139:107 140:482
141:143 142:394 143:212 144:281 145:43 146:323
147:150 148:384 149:190 150:115 151:123 152:95
153:121 154:6 155:250 156:152 157:182 158:161
159:154 160:103 161:92 162:235 163:141 164:461
165:402 166:246 167:293 168:504 169:120 170:393
171:15 172:1 189:232 190:548 192:5807 193:3795
194:3101 195:2273 196:969 198:3870 199:3368 200:4639
201:1013 202:7282 203:7460 204:4080 205:2205 206:2664
207:3174 208:3285 209:3729 210:2403 211:969 212:1326
213:1470 214:406 215:39 216:4207 217:1176 218:373
219:300 220:900 221:392 222:270
End of report
