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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 01 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 226554
Prefixes after maximum aggregation: 117981
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 105690
Total ASes present in the Internet Routing Table: 24871
Origin-only ASes present in the Internet Routing Table: 21531
Origin ASes announcing only one prefix: 10432
Transit ASes present in the Internet Routing Table: 3340
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 31
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 77
Unregistered ASNs in the Routing Table: 24
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1697121616
Equivalent to 101 /8s, 40 /16s and 5 /24s
Percentage of available address space announced: 45.8
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 120502
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50719
Total APNIC prefixes after maximum aggregation: 20163
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 47665
Unique aggregates announced from the APNIC address blocks: 21079
APNIC Region origin ASes present in the Internet Routing Table: 2927
APNIC Region origin ASes announcing only one prefix: 785
APNIC Region transit ASes present in the Internet Routing Table: 452
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 290478116
Equivalent to 17 /8s, 80 /16s and 88 /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: 112485
Total ARIN prefixes after maximum aggregation: 62839
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 83766
Unique aggregates announced from the ARIN address blocks: 30071
ARIN Region origin ASes present in the Internet Routing Table: 11471
ARIN Region origin ASes announcing only one prefix: 4398
ARIN Region transit ASes present in the Internet Routing Table: 1110
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 324022496
Equivalent to 19 /8s, 80 /16s and 48 /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: 46212
Total RIPE prefixes after maximum aggregation: 29847
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 42851
Unique aggregates announced from the RIPE address blocks: 27700
RIPE Region origin ASes present in the Internet Routing Table: 9429
RIPE Region origin ASes announcing only one prefix: 4934
RIPE Region transit ASes present in the Internet Routing Table: 1560
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 296758208
Equivalent to 17 /8s, 176 /16s and 43 /24s
Percentage of available RIPE address space announced: 73.7
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, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 14459
Total LACNIC prefixes after maximum aggregation: 4114
LACNIC Deaggregation factor: 3.51
Prefixes being announced from the LACNIC address blocks: 12544
Unique aggregates announced from the LACNIC address blocks: 7119
LACNIC Region origin ASes present in the Internet Routing Table: 780
LACNIC Region origin ASes announcing only one prefix: 257
LACNIC Region transit ASes present in the Internet Routing Table: 138
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 38565632
Equivalent to 2 /8s, 76 /16s and 119 /24s
Percentage of available LACNIC address space announced: 57.5
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: 2601
Total AfriNIC prefixes after maximum aggregation: 1012
AfriNIC Deaggregation factor: 2.57
Prefixes being announced from the AfriNIC address blocks: 1942
Unique aggregates announced from the AfriNIC address blocks: 1161
AfriNIC Region origin ASes present in the Internet Routing Table: 185
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: 4.0
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5375232
Equivalent to 0 /8s, 82 /16s and 5 /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 1285 9422 281 CHINANET-BACKBONE
4755 1172 383 74 Videsh Sanchar Nigam Ltd. Aut
9583 1106 78 374 Sify Limited
9498 968 469 71 BHARTI BT INTERNET LTD.
23577 790 35 713 Korea Telecom (ATM-MPLS)
4766 784 4943 313 Korea Telecom (KIX)
17488 624 41 31 Hathway IP Over Cable Interne
1221 623 1973 466 Telstra Pty Ltd
7545 603 142 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 454 111 74 Primus Telecommunications
7474 453 215 260 SingTel Optus Pty Ltd
4812 452 791 72 China Telecom (Shanghai)
9942 426 84 122 COMindico Australia
4802 364 86 150 Wantree Development
17557 364 35 173 Pakistan Telecom
4837 343 4484 154 chinanet IDC center beijing n
17974 342 129 12 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 736 871 543 Telenor Internet Access
702 520 1893 414 UUNET - Commercial IP service
24863 337 46 30 LINKdotNET AS number
3301 310 1199 289 TeliaNet Sweden
3320 301 4993 249 Deutsche Telekom AG
6746 271 95 249 Dynamic Network Technologies,
8220 269 468 258 COLT Telecommunications
680 258 2044 251 DFN-IP service G-WiN
5416 254 16 12 BATELCO-BH
3215 239 2256 92 France Telecom Transpac
1257 236 1180 170 SWIPnet Swedish IP Network
5089 235 1657 53 NTL Group Limited
8708 235 287 228 Romania Data Systems S.A.
3269 215 2583 72 TELECOM ITALIA
3246 208 356 197 Song Networks
8551 208 197 27 Bezeq International
30890 206 17 96 SC Kappa Invexim SRL
20858 199 34 4 EgyNet
3352 195 1795 36 Ibernet, Internet Access Netw
3300 192 171 93 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4736 6658 718 UUNET Technologies, Inc.
7018 1486 6104 981 AT&T WorldNet Services
4323 1448 1004 348 Time Warner Telecom
705 1184 555 597 UUNET Technologies, Inc.
2386 1088 558 730 AT&T Data Communications Serv
6478 1079 331 153 AT&T Worldnet Services
6197 1031 680 500 BellSouth Network Solutions,
11492 1017 102 12 Cable One
18566 999 288 9 Covad Communications
174 935 6758 853 Cogent Communications
1239 819 2714 570 Sprint
20115 809 720 430 Charter Communications
7046 786 266 646 UUNET Technologies, Inc.
7011 780 225 462 Citizens Utilities
209 724 3717 571 Qwest
19262 722 2582 162 Verizon Global Networks
22773 693 1871 42 Cox Communications, Inc.
721 613 21756 274 DLA Systems Automation Center
577 603 775 200 Bell Advanced Communications
852 603 1079 376 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1448 1100 Time Warner Telecom
4755 1172 1098 Videsh Sanchar Nigam Ltd. Aut
11492 1017 1005 Cable One
4134 1285 1004 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1079 926 AT&T Worldnet Services
9498 968 897 BHARTI BT INTERNET LTD.
8151 1036 833 UniNet S.A. de C.V.
9583 1106 732 Sify Limited
22773 693 651 Cox Communications, Inc.
17488 624 593 Hathway IP Over Cable Interne
705 1184 587 UUNET Technologies, Inc.
5668 581 564 CenturyTel Internet Holdings,
19262 722 560 Verizon Global Networks
6197 1031 531 BellSouth Network Solutions,
7545 603 524 TPG Internet Pty Ltd
19916 568 514 OLM LLC
18101 538 511 Reliance Infocom Ltd Internet
7018 1486 505 AT&T WorldNet Services
855 560 494 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
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
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 /11:32 /12:123
/13:244 /14:444 /15:850 /16:9358 /17:3865 /18:6371
/19:13542 /20:15304 /21:13863 /22:18236 /23:19742 /24:121019
/25:977 /26:1055 /27:576 /28:225 /29:169 /30:433
/31:0 /32:86
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3534 4736 UUNET Technologies, Inc.
6478 1070 1079 AT&T Worldnet Services
11492 1003 1017 Cable One
18566 981 999 Covad Communications
9583 946 1106 Sify Limited
2386 811 1088 AT&T Data Communications Serv
7018 811 1486 AT&T WorldNet Services
6197 796 1031 BellSouth Network Solutions,
23577 776 790 Korea Telecom (ATM-MPLS)
705 746 1184 UUNET Technologies, Inc.
7011 683 780 Citizens Utilities
2119 647 736 Telenor Internet Access
4323 635 1448 Time Warner Telecom
9498 630 968 BHARTI BT INTERNET LTD.
4766 589 784 Korea Telecom (KIX)
4755 568 1172 Videsh Sanchar Nigam Ltd. Aut
19916 563 568 OLM LLC
7046 542 786 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)
----------------------------------------------
4:9 7:1 8:64 9:1 12:1810 15:19
16:3 17:3 18:8 20:38 24:948 25:1
32:174 38:293 40:56 41:111 44:2 47:4
52:4 55:1 56:3 57:52 58:362 59:359
60:225 61:919 62:1077 63:3373 64:3251 65:3656
66:3295 67:781 68:641 69:1801 70:494 71:110
72:1239 73:1 74:347 75:173 76:32 77:111
80:831 81:783 82:771 83:400 84:483 85:820
86:383 87:456 88:249 89:871 90:19 91:237
97:1 116:11 117:1 118:1 119:1 120:1
121:170 122:521 123:64 124:757 125:919 128:273
129:225 130:120 131:351 132:51 133:11 134:190
135:37 136:176 137:92 138:193 139:107 140:482
141:143 142:394 143:212 144:281 145:43 146:323
147:151 148:383 149:191 150:115 151:123 152:95
153:120 154:6 155:250 156:152 157:180 158:161
159:152 160:103 161:92 162:235 163:142 164:461
165:401 166:246 167:293 168:503 169:120 170:393
171:15 172:1 189:227 190:548 192:5803 193:3788
194:3084 195:2275 196:957 198:3858 199:3352 200:4601
201:1007 202:7309 203:7445 204:4111 205:2211 206:2674
207:3172 208:3284 209:3726 210:2409 211:977 212:1308
213:1455 214:397 215:39 216:4191 217:1175 218:374
219:299 220:911 221:389 222:273
End of report
