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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 24 Feb, 2007
Analysis Summary
----------------
BGP routing table entries examined: 224233
Prefixes after maximum aggregation: 116316
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 103815
Total ASes present in the Internet Routing Table: 24519
Origin-only ASes present in the Internet Routing Table: 21315
Origin ASes announcing only one prefix: 10275
Transit ASes present in the Internet Routing Table: 3204
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 31
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 62
Unregistered ASNs in the Routing Table: 25
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1688924388
Equivalent to 100 /8s, 170 /16s and 240 /24s
Percentage of available address space announced: 45.6
Percentage of allocated address space announced: 62.6
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 118912
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 49563
Total APNIC prefixes after maximum aggregation: 19645
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 46567
Unique aggregates announced from the APNIC address blocks: 20407
APNIC Region origin ASes present in the Internet Routing Table: 2886
APNIC Region origin ASes announcing only one prefix: 776
APNIC Region transit ASes present in the Internet Routing Table: 437
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 290427456
Equivalent to 17 /8s, 79 /16s and 146 /24s
Percentage of available APNIC address space announced: 71.9
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: 112756
Total ARIN prefixes after maximum aggregation: 62506
ARIN Deaggregation factor: 1.80
Prefixes being announced from the ARIN address blocks: 83830
Unique aggregates announced from the ARIN address blocks: 29553
ARIN Region origin ASes present in the Internet Routing Table: 11373
ARIN Region origin ASes announcing only one prefix: 4368
ARIN Region transit ASes present in the Internet Routing Table: 1055
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 321155552
Equivalent to 19 /8s, 36 /16s and 113 /24s
Percentage of available ARIN address space announced: 70.9
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: 45126
Total RIPE prefixes after maximum aggregation: 29121
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 42031
Unique aggregates announced from the RIPE address blocks: 27115
RIPE Region origin ASes present in the Internet Routing Table: 9235
RIPE Region origin ASes announcing only one prefix: 4823
RIPE Region transit ASes present in the Internet Routing Table: 1507
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 291989632
Equivalent to 17 /8s, 103 /16s and 104 /24s
Percentage of available RIPE address space announced: 79.1
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: 14072
Total LACNIC prefixes after maximum aggregation: 4050
LACNIC Deaggregation factor: 3.47
Prefixes being announced from the LACNIC address blocks: 12166
Unique aggregates announced from the LACNIC address blocks: 7006
LACNIC Region origin ASes present in the Internet Routing Table: 762
LACNIC Region origin ASes announcing only one prefix: 246
LACNIC Region transit ASes present in the Internet Routing Table: 134
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 37669120
Equivalent to 2 /8s, 62 /16s and 201 /24s
Percentage of available LACNIC address space announced: 56.1
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: 2656
Total AfriNIC prefixes after maximum aggregation: 992
AfriNIC Deaggregation factor: 2.68
Prefixes being announced from the AfriNIC address blocks: 1960
Unique aggregates announced from the AfriNIC address blocks: 1182
AfriNIC Region origin ASes present in the Internet Routing Table: 182
AfriNIC Region origin ASes announcing only one prefix: 61
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC addresses announced to Internet: 5420544
Equivalent to 0 /8s, 82 /16s and 182 /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 1268 8690 272 CHINANET-BACKBONE
4755 1121 383 74 Videsh Sanchar Nigam Ltd. Aut
9583 1077 77 365 Sify Limited
9498 964 468 66 BHARTI BT INTERNET LTD.
23577 778 35 706 Korea Telecom (ATM-MPLS)
4766 768 4942 309 Korea Telecom (KIX)
1221 620 1686 452 Telstra Pty Ltd
17488 598 39 24 Hathway IP Over Cable Interne
7545 586 142 76 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 68 10 LG-EDS Systems Inc.
7474 455 216 260 SingTel Optus Pty Ltd
9443 444 111 75 Primus Telecommunications
9942 430 85 125 COMindico Australia
17849 370 35 94 Telecommunications Technology
4802 362 86 149 Wantree Development
17974 358 129 14 PT TELEKOMUNIKASI INDONESIA
17557 356 34 167 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 541 1895 419 UUNET - Commercial IP service
2119 396 812 333 Telenor Internet Access
24863 328 45 22 LINKdotNET AS number
3301 311 1199 290 TeliaNet Sweden
3320 297 4993 248 Deutsche Telekom AG
8220 273 469 263 COLT Telecommunications
6746 270 95 248 Dynamic Network Technologies,
1257 263 1116 174 SWIPnet Swedish IP Network
680 257 2044 251 DFN-IP service G-WiN
8708 242 284 228 Romania Data Systems S.A.
5089 241 1657 52 NTL Group Limited
3215 239 2224 92 France Telecom Transpac
5416 220 14 11 BATELCO-BH
3269 212 2423 72 TELECOM ITALIA
30890 207 17 97 SC Kappa Invexim SRL
8551 206 197 25 Bezeq International
3246 203 350 193 Song Networks
3352 201 1783 33 Ibernet, Internet Access Netw
20858 197 34 3 EgyNet
3300 188 171 91 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4797 6694 750 UUNET Technologies, Inc.
7018 1506 10229 986 AT&T WorldNet Services
4323 1448 1005 351 Time Warner Telecom
7015 1385 983 92 AT&T Broadband
705 1327 557 598 UUNET Technologies, Inc.
6478 1125 443 193 AT&T Worldnet Services
2386 1116 570 740 AT&T Data Communications Serv
6197 1025 667 500 BellSouth Network Solutions,
18566 992 288 9 Covad Communications
11492 981 101 16 Cable One
174 945 6792 868 Cogent Communications
1239 805 2713 565 Sprint
20115 801 706 421 Charter Communications
7011 799 229 475 Citizens Utilities
7046 794 267 656 UUNET Technologies, Inc.
19262 757 2591 178 Verizon Global Networks
22773 732 1872 41 Cox Communications, Inc.
209 715 3744 571 Qwest
721 632 21787 274 DLA Systems Automation Center
852 610 1088 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7015 1385 1293 AT&T Broadband
4323 1448 1097 Time Warner Telecom
4755 1121 1047 Videsh Sanchar Nigam Ltd. Aut
4134 1268 996 CHINANET-BACKBONE
18566 992 983 Covad Communications
11492 981 965 Cable One
6478 1125 932 AT&T Worldnet Services
9498 964 898 BHARTI BT INTERNET LTD.
8151 1039 829 UniNet S.A. de C.V.
705 1327 729 UUNET Technologies, Inc.
9583 1077 712 Sify Limited
22773 732 691 Cox Communications, Inc.
19262 757 579 Verizon Global Networks
17488 598 574 Hathway IP Over Cable Interne
5668 571 555 CenturyTel Internet Holdings,
6197 1025 525 BellSouth Network Solutions,
7018 1506 520 AT&T WorldNet Services
19916 568 514 OLM LLC
7545 586 510 TPG Internet Pty Ltd
18101 522 499 Reliance Infocom Ltd Internet
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
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
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
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
192.153.136.0/21 721 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 /14:429 /15:830 /16:9283 /17:3807 /18:6284
/19:13409 /20:15218 /21:14011 /22:18098 /23:19621 /24:119754
/25:886 /26:691 /27:528 /28:219 /29:176 /30:473
/31:0 /32:84
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3555 4797 UUNET Technologies, Inc.
7015 1240 1385 AT&T Broadband
6478 1077 1125 AT&T Worldnet Services
18566 974 992 Covad Communications
11492 967 981 Cable One
9583 913 1077 Sify Limited
2386 839 1116 AT&T Data Communications Serv
705 823 1327 UUNET Technologies, Inc.
7018 812 1506 AT&T WorldNet Services
6197 796 1025 BellSouth Network Solutions,
23577 764 778 Korea Telecom (ATM-MPLS)
7011 698 799 Citizens Utilities
4323 633 1448 Time Warner Telecom
9498 617 964 BHARTI BT INTERNET LTD.
4766 577 768 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 545 794 UUNET Technologies, Inc.
4755 527 1121 Videsh Sanchar Nigam Ltd. Aut
15270 475 507 PaeTec.net -a division of Pae
855 465 565 Canadian Research Network
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:62 9:1 12:1815 13:1
15:16 16:3 17:3 18:5 20:38 24:920
25:1 32:173 38:282 40:57 41:92 44:2
47:7 52:4 55:1 56:3 57:52 58:322
59:391 60:211 61:961 62:1095 63:3335 64:3307
65:3673 66:3255 67:747 68:661 69:1743 70:459
71:98 72:1222 73:7 74:379 75:81 76:47
77:34 80:836 81:772 82:700 83:375 84:509
85:755 86:436 87:494 88:246 89:802 90:3
91:185 97:1 116:1 117:1 118:1 119:1
120:1 121:144 122:421 123:49 124:596 125:932
128:308 129:219 130:131 131:348 132:49 133:10
134:188 135:38 136:181 137:97 138:195 139:104
140:502 141:142 142:394 143:212 144:270 145:43
146:314 147:150 148:370 149:174 150:114 151:116
152:97 153:118 154:6 155:246 156:151 157:176
158:168 159:151 160:99 161:91 162:231 163:162
164:459 165:386 166:245 167:282 168:515 169:119
170:380 171:15 172:1 189:196 190:425 192:5782
193:3748 194:3031 195:2294 196:1008 198:3885 199:3346
200:4623 201:985 202:7260 203:7420 204:4106 205:2177
206:2638 207:3105 208:3175 209:3709 210:2399 211:975
212:1362 213:1473 214:405 215:39 216:4260 217:1179
218:368 219:271 220:868 221:374 222:264
End of report
