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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 11 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 227085
Prefixes after maximum aggregation: 118327
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 104549
Total ASes present in the Internet Routing Table: 24965
Prefixes per ASN: 9.10
Origin-only ASes present in the Internet Routing Table: 21625
Origin ASes announcing only one prefix: 10462
Transit ASes present in the Internet Routing Table: 3340
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 33
Max AS path prepend of ASN (31258) 21
Prefixes from unregistered ASNs in the Routing Table: 81
Unregistered ASNs in the Routing Table: 28
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1703149888
Equivalent to 101 /8s, 132 /16s and 1 /24s
Percentage of available address space announced: 46.0
Percentage of allocated address space announced: 62.4
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 120773
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50791
Total APNIC prefixes after maximum aggregation: 20128
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 47713
Unique aggregates announced from the APNIC address blocks: 21027
APNIC Region origin ASes present in the Internet Routing Table: 2920
APNIC Region origin ASes announcing only one prefix: 769
APNIC Region transit ASes present in the Internet Routing Table: 451
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 288913748
Equivalent to 17 /8s, 56 /16s and 121 /24s
Percentage of available APNIC address space announced: 71.6
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: 112554
Total ARIN prefixes after maximum aggregation: 63015
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 83912
Unique aggregates announced from the ARIN address blocks: 30216
ARIN Region origin ASes present in the Internet Routing Table: 11510
ARIN Region origin ASes announcing only one prefix: 4406
ARIN Region transit ASes present in the Internet Routing Table: 1115
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 26
Number of ARIN addresses announced to Internet: 328006368
Equivalent to 19 /8s, 140 /16s and 250 /24s
Percentage of available ARIN address space announced: 72.4
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: 46440
Total RIPE prefixes after maximum aggregation: 30058
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43103
Unique aggregates announced from the RIPE address blocks: 26406
RIPE Region origin ASes present in the Internet Routing Table: 9487
RIPE Region origin ASes announcing only one prefix: 4975
RIPE Region transit ASes present in the Internet Routing Table: 1563
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 299431104
Equivalent to 17 /8s, 216 /16s and 244 /24s
Percentage of available RIPE address space announced: 74.4
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: 14561
Total LACNIC prefixes after maximum aggregation: 4099
LACNIC Deaggregation factor: 3.55
Prefixes being announced from the LACNIC address blocks: 12650
Unique aggregates announced from the LACNIC address blocks: 7146
LACNIC Region origin ASes present in the Internet Routing Table: 777
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 5.6
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 38834688
Equivalent to 2 /8s, 80 /16s and 146 /24s
Percentage of available LACNIC address space announced: 57.9
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: 2658
Total AfriNIC prefixes after maximum aggregation: 1023
AfriNIC Deaggregation factor: 2.60
Prefixes being announced from the AfriNIC address blocks: 1987
Unique aggregates announced from the AfriNIC address blocks: 1173
AfriNIC Region origin ASes present in the Internet Routing Table: 188
AfriNIC Region origin ASes announcing only one prefix: 61
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 5969152
Equivalent to 0 /8s, 91 /16s and 21 /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 1290 9468 266 CHINANET-BACKBONE
4755 1187 383 76 Videsh Sanchar Nigam Ltd. Aut
9583 1107 78 381 Sify Limited
9498 970 469 71 BHARTI BT INTERNET LTD.
23577 786 35 710 Korea Telecom (ATM-MPLS)
4766 782 4943 312 Korea Telecom (KIX)
17488 659 43 33 Hathway IP Over Cable Interne
1221 617 1956 463 Telstra Pty Ltd
7545 611 142 78 TPG Internet Pty Ltd
18101 536 116 27 Reliance Infocom Ltd Internet
4668 503 68 10 LG-EDS Systems Inc.
17676 503 10935 65 Softbank BB Corp.
7474 457 216 260 SingTel Optus Pty Ltd
4812 456 791 72 China Telecom (Shanghai)
9443 452 111 73 Primus Telecommunications
9942 430 84 122 COMindico Australia
4802 361 86 151 Wantree Development
17557 358 34 173 Pakistan Telecom
9829 356 274 15 BSNL National Internet Backbo
4837 342 4596 157 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 927 913 645 Telenor Internet Access
702 517 1941 411 UUNET - Commercial IP service
24863 339 46 31 LINKdotNET AS number
3301 308 1455 288 TeliaNet Sweden
3320 305 4994 252 Deutsche Telekom AG
6746 275 95 252 Dynamic Network Technologies,
8220 263 462 253 COLT Telecommunications
680 257 2044 250 DFN-IP service G-WiN
3215 239 2256 92 France Telecom Transpac
1257 236 1180 170 SWIPnet Swedish IP Network
5089 233 1657 52 NTL Group Limited
8708 233 287 226 Romania Data Systems S.A.
3269 216 2583 73 TELECOM ITALIA
3246 211 341 200 Song Networks
8551 208 197 27 Bezeq International
30890 205 17 93 SC Kappa Invexim SRL
20858 199 34 4 EgyNet
3352 194 1795 36 Ibernet, Internet Access Netw
3300 191 171 93 AUCS Communications Services
9116 188 134 24 Goldenlines main autonomous s
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4771 6659 733 UUNET Technologies, Inc.
7018 1486 6086 969 AT&T WorldNet Services
4323 1275 1030 356 Time Warner Telecom
705 1125 549 582 UUNET Technologies, Inc.
2386 1089 542 732 AT&T Data Communications Serv
6478 1089 334 151 AT&T Worldnet Services
6197 1034 682 501 BellSouth Network Solutions,
11492 1025 102 15 Cable One
18566 999 288 9 Covad Communications
174 930 6710 849 Cogent Communications
1239 818 2699 570 Sprint
20115 811 723 427 Charter Communications
7046 788 262 648 UUNET Technologies, Inc.
7011 781 225 464 Citizens Utilities
209 718 3716 570 Qwest
19262 718 2550 171 Verizon Global Networks
22773 696 1871 40 Cox Communications, Inc.
721 617 21756 274 DLA Systems Automation Center
577 608 776 204 Bell Advanced Communications
852 604 1079 377 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1187 1111 Videsh Sanchar Nigam Ltd. Aut
4134 1290 1024 CHINANET-BACKBONE
11492 1025 1010 Cable One
18566 999 990 Covad Communications
6478 1089 938 AT&T Worldnet Services
4323 1275 919 Time Warner Telecom
9498 970 899 BHARTI BT INTERNET LTD.
8151 1049 851 UniNet S.A. de C.V.
9583 1107 726 Sify Limited
22773 696 656 Cox Communications, Inc.
17488 659 626 Hathway IP Over Cable Interne
5668 585 568 CenturyTel Internet Holdings,
19262 718 547 Verizon Global Networks
705 1125 543 UUNET Technologies, Inc.
6197 1034 533 BellSouth Network Solutions,
7545 611 533 TPG Internet Pty Ltd
7018 1486 517 AT&T WorldNet Services
19916 568 514 OLM LLC
18101 536 509 Reliance Infocom Ltd Internet
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 4.33.9.64/26 293 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
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.
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
65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp
65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net
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 /11:34 /12:125
/13:247 /14:448 /15:859 /16:9335 /17:3870 /18:6395
/19:13553 /20:15407 /21:13860 /22:18334 /23:19840 /24:121130
/25:1021 /26:1107 /27:573 /28:223 /29:169 /30:425
/31:0 /32:89
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3571 4771 UUNET Technologies, Inc.
6478 1080 1089 AT&T Worldnet Services
11492 1011 1025 Cable One
18566 981 999 Covad Communications
9583 947 1107 Sify Limited
2119 830 927 Telenor Internet Access
7018 812 1486 AT&T WorldNet Services
2386 811 1089 AT&T Data Communications Serv
6197 797 1034 BellSouth Network Solutions,
23577 772 786 Korea Telecom (ATM-MPLS)
705 717 1125 UUNET Technologies, Inc.
7011 684 781 Citizens Utilities
9498 631 970 BHARTI BT INTERNET LTD.
4766 588 782 Korea Telecom (KIX)
4755 581 1187 Videsh Sanchar Nigam Ltd. Aut
19916 563 568 OLM LLC
7046 543 788 UUNET Technologies, Inc.
4323 533 1275 Time Warner Telecom
4668 493 503 LG-EDS Systems Inc.
15270 489 522 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:66 9:1 12:1810 15:19
16:3 17:3 18:8 20:36 24:949 25:1
32:122 38:295 40:57 41:113 43:6 44:2
47:4 52:4 55:1 56:3 57:52 58:326
59:356 60:260 61:920 62:1012 63:3355 64:3222
65:3648 66:3359 67:803 68:644 69:1795 70:496
71:109 72:1247 73:1 74:358 75:244 76:33
77:134 80:837 81:807 82:735 83:408 84:438
85:823 86:379 87:457 88:251 89:840 90:19
91:263 97:1 116:11 121:170 122:521 123:73
124:761 125:921 128:273 129:221 130:124 131:352
132:51 133:11 134:193 135:38 136:180 137:90
138:193 139:93 140:482 141:149 142:394 143:214
144:291 145:43 146:323 147:149 148:386 149:145
150:115 151:124 152:95 153:121 154:5 155:252
156:152 157:184 158:161 159:154 160:103 161:93
162:235 163:142 164:460 165:405 166:247 167:285
168:502 169:119 170:394 171:15 172:1 189:244
190:552 192:5807 193:3792 194:3113 195:2269 196:992
198:3872 199:3361 200:4668 201:1014 202:7316 203:7459
204:4095 205:2214 206:2636 207:3137 208:3290 209:3727
210:2374 211:977 212:1335 213:1488 214:408 215:39
216:4168 217:1170 218:373 219:310 220:903 221:397
222:269
End of report
