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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 26 Feb, 2007
Analysis Summary
----------------
BGP routing table entries examined: 224215
Prefixes after maximum aggregation: 116371
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 103815
Total ASes present in the Internet Routing Table: 24528
Origin-only ASes present in the Internet Routing Table: 21321
Origin ASes announcing only one prefix: 10275
Transit ASes present in the Internet Routing Table: 3207
Transit-only ASes present in the Internet Routing Table: 79
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: 12
Number of addresses announced to Internet: 1689110244
Equivalent to 100 /8s, 173 /16s and 198 /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: 118926
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 49575
Total APNIC prefixes after maximum aggregation: 19658
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 46586
Unique aggregates announced from the APNIC address blocks: 20424
APNIC Region origin ASes present in the Internet Routing Table: 2896
APNIC Region origin ASes announcing only one prefix: 778
APNIC Region transit ASes present in the Internet Routing Table: 435
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 290516288
Equivalent to 17 /8s, 80 /16s and 237 /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: 112749
Total ARIN prefixes after maximum aggregation: 62519
ARIN Deaggregation factor: 1.80
Prefixes being announced from the ARIN address blocks: 83775
Unique aggregates announced from the ARIN address blocks: 29531
ARIN Region origin ASes present in the Internet Routing Table: 11373
ARIN Region origin ASes announcing only one prefix: 4360
ARIN Region transit ASes present in the Internet Routing Table: 1057
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 321158624
Equivalent to 19 /8s, 36 /16s and 125 /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: 45179
Total RIPE prefixes after maximum aggregation: 29144
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 42080
Unique aggregates announced from the RIPE address blocks: 27133
RIPE Region origin ASes present in the Internet Routing Table: 9236
RIPE Region origin ASes announcing only one prefix: 4830
RIPE Region transit ASes present in the Internet Routing Table: 1503
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 292066176
Equivalent to 17 /8s, 104 /16s and 147 /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: 13995
Total LACNIC prefixes after maximum aggregation: 4054
LACNIC Deaggregation factor: 3.45
Prefixes being announced from the LACNIC address blocks: 12103
Unique aggregates announced from the LACNIC address blocks: 7009
LACNIC Region origin ASes present in the Internet Routing Table: 761
LACNIC Region origin ASes announcing only one prefix: 245
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 37681920
Equivalent to 2 /8s, 62 /16s and 251 /24s
Percentage of available LACNIC address space announced: 56.2
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: 2657
Total AfriNIC prefixes after maximum aggregation: 994
AfriNIC Deaggregation factor: 2.67
Prefixes being announced from the AfriNIC address blocks: 1955
Unique aggregates announced from the AfriNIC address blocks: 1184
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: 36
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 5420288
Equivalent to 0 /8s, 82 /16s and 181 /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 1269 8690 273 CHINANET-BACKBONE
4755 1123 383 75 Videsh Sanchar Nigam Ltd. Aut
9583 1077 77 365 Sify Limited
9498 970 468 66 BHARTI BT INTERNET LTD.
23577 780 35 708 Korea Telecom (ATM-MPLS)
4766 766 4942 309 Korea Telecom (KIX)
1221 621 1687 453 Telstra Pty Ltd
17488 598 39 24 Hathway IP Over Cable Interne
7545 588 142 76 TPG Internet Pty Ltd
18101 528 103 23 Reliance Infocom Ltd Internet
17676 503 10935 65 Softbank BB Corp.
4812 501 779 73 China Telecom (Shanghai)
4668 461 68 10 LG-EDS Systems Inc.
7474 454 216 259 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
17557 354 34 166 Pakistan Telecom
2907 340 1749 311 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 540 1879 418 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 269 95 248 Dynamic Network Technologies,
1257 262 1116 173 SWIPnet Swedish IP Network
680 257 2044 251 DFN-IP service G-WiN
8708 242 284 228 Romania Data Systems S.A.
3215 239 2224 92 France Telecom Transpac
5089 239 1657 52 NTL Group Limited
5416 220 14 11 BATELCO-BH
3269 212 2423 72 TELECOM ITALIA
3246 208 355 197 Song Networks
8551 206 197 25 Bezeq International
30890 206 17 97 SC Kappa Invexim SRL
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 4793 6694 750 UUNET Technologies, Inc.
7018 1505 10229 986 AT&T WorldNet Services
4323 1447 1005 351 Time Warner Telecom
7015 1385 983 92 AT&T Broadband
705 1296 557 599 UUNET Technologies, Inc.
6478 1124 443 194 AT&T Worldnet Services
2386 1117 570 741 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 802 2713 563 Sprint
7011 799 229 475 Citizens Utilities
20115 799 705 423 Charter Communications
7046 796 267 657 UUNET Technologies, Inc.
19262 757 2591 178 Verizon Global Networks
22773 732 1872 41 Cox Communications, Inc.
209 716 3744 572 Qwest
721 632 21787 274 DLA Systems Automation Center
852 608 1088 380 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7015 1385 1293 AT&T Broadband
4323 1447 1096 Time Warner Telecom
4755 1123 1048 Videsh Sanchar Nigam Ltd. Aut
4134 1269 996 CHINANET-BACKBONE
18566 992 983 Covad Communications
11492 981 965 Cable One
6478 1124 930 AT&T Worldnet Services
9498 970 904 BHARTI BT INTERNET LTD.
8151 1040 830 UniNet S.A. de C.V.
9583 1077 712 Sify Limited
705 1296 697 UUNET Technologies, Inc.
22773 732 691 Cox Communications, Inc.
19262 757 579 Verizon Global Networks
17488 598 574 Hathway IP Over Cable Interne
5668 572 556 CenturyTel Internet Holdings,
6197 1025 525 BellSouth Network Solutions,
7018 1505 519 AT&T WorldNet Services
19916 568 514 OLM LLC
7545 588 512 TPG Internet Pty Ltd
18101 528 505 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
192.70.164.0/24 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 /12:119
/13:238 /14:429 /15:830 /16:9284 /17:3808 /18:6292
/19:13396 /20:15217 /21:13978 /22:18105 /23:19608 /24:119784
/25:888 /26:689 /27:527 /28:218 /29:176 /30:473
/31:0 /32:81
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3550 4793 UUNET Technologies, Inc.
7015 1240 1385 AT&T Broadband
6478 1076 1124 AT&T Worldnet Services
18566 974 992 Covad Communications
11492 967 981 Cable One
9583 913 1077 Sify Limited
2386 840 1117 AT&T Data Communications Serv
7018 811 1505 AT&T WorldNet Services
705 807 1296 UUNET Technologies, Inc.
6197 796 1025 BellSouth Network Solutions,
23577 766 780 Korea Telecom (ATM-MPLS)
7011 698 799 Citizens Utilities
4323 632 1447 Time Warner Telecom
9498 621 970 BHARTI BT INTERNET LTD.
4766 575 766 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 547 796 UUNET Technologies, Inc.
4755 528 1123 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 12:1818 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 58:323
59:391 60:210 61:957 62:1094 63:3333 64:3305
65:3670 66:3264 67:749 68:660 69:1742 70:459
71:98 72:1221 73:7 74:379 75:81 76:47
77:34 80:846 81:792 82:693 83:374 84:510
85:758 86:441 87:494 88:246 89:801 90:3
91:207 97:1 116:1 117:1 118:1 119:1
120:1 121:142 122:421 123:49 124:597 125:931
128:306 129:219 130:126 131:349 132:49 133:10
134:188 135:38 136:181 137:96 138:194 139:104
140:500 141:142 142:394 143:212 144:270 145:43
146:317 147:150 148:376 149:190 150:114 151:116
152:97 153:118 154:6 155:251 156:151 157:174
158:168 159:151 160:99 161:91 162:231 163:162
164:459 165:385 166:245 167:280 168:511 169:119
170:380 171:15 172:1 189:196 190:411 192:5793
193:3745 194:3034 195:2298 196:1006 198:3886 199:3354
200:4609 201:983 202:7257 203:7421 204:4107 205:2177
206:2634 207:3099 208:3174 209:3705 210:2399 211:974
212:1357 213:1464 214:413 215:39 216:4256 217:1180
218:368 219:270 220:873 221:374 222:264
End of report
