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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 19 Oct, 2006
Analysis Summary
----------------
BGP routing table entries examined: 215610
Prefixes after maximum aggregation: 110703
Unique aggregates announced to Internet: 96937
Total ASes present in the Internet Routing Table: 23487
Origin-only ASes present in the Internet Routing Table: 20395
Origin ASes announcing only one prefix: 9816
Transit ASes present in the Internet Routing Table: 3092
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 52
Max AS path prepend of ASN (14282) 48
Prefixes from unregistered ASNs in the Routing Table: 35
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1616919701
Equivalent to 96 /8s, 96 /16s and 60 /24s
Percentage of available address space announced: 43.6
Percentage of allocated address space announced: 60.3
Percentage of available address space allocated: 72.3
Total number of prefixes smaller than registry allocations: 112433
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44964
Total APNIC prefixes after maximum aggregation: 17595
Prefixes being announced from the APNIC address blocks: 42499
Unique aggregates announced from the APNIC address blocks: 18065
APNIC Region origin ASes present in the Internet Routing Table: 2729
APNIC Region origin ASes announcing only one prefix: 765
APNIC Region transit ASes present in the Internet Routing Table: 420
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 263127824
Equivalent to 15 /8s, 175 /16s and 3 /24s
Percentage of available APNIC address space announced: 82.3
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, 121/8, 122/7, 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: 113076
Total ARIN prefixes after maximum aggregation: 61105
Prefixes being announced from the ARIN address blocks: 84818
Unique aggregates announced from the ARIN address blocks: 27987
ARIN Region origin ASes present in the Internet Routing Table: 11095
ARIN Region origin ASes announcing only one prefix: 4216
ARIN Region transit ASes present in the Internet Routing Table: 1058
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 32
Number of ARIN addresses announced to Internet: 305164664
Equivalent to 18 /8s, 48 /16s and 113 /24s
Percentage of available ARIN address space announced: 67.4
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: 42132
Total RIPE prefixes after maximum aggregation: 27208
Prefixes being announced from the RIPE address blocks: 39276
Unique aggregates announced from the RIPE address blocks: 25245
RIPE Region origin ASes present in the Internet Routing Table: 8679
RIPE Region origin ASes announcing only one prefix: 4540
RIPE Region transit ASes present in the Internet Routing Table: 1407
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 268882624
Equivalent to 16 /8s, 6 /16s and 210 /24s
Percentage of available RIPE address space announced: 72.8
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
40960-41983
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: 12949
Total LACNIC prefixes after maximum aggregation: 3835
Prefixes being announced from the LACNIC address blocks: 10947
Unique aggregates announced from the LACNIC address blocks: 6401
LACNIC Region origin ASes present in the Internet Routing Table: 738
LACNIC Region origin ASes announcing only one prefix: 245
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 52
Number of LACNIC addresses announced to Internet: 33293056
Equivalent to 1 /8s, 252 /16s and 3 /24s
Percentage of available LACNIC address space announced: 49.6
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: 2455
Total AfriNIC prefixes after maximum aggregation: 960
Prefixes being announced from the AfriNIC address blocks: 1754
Unique aggregates announced from the AfriNIC address blocks: 1035
AfriNIC Region origin ASes present in the Internet Routing Table: 167
AfriNIC Region origin ASes announcing only one prefix: 50
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4311808
Equivalent to 0 /8s, 65 /16s and 203 /24s
Percentage of available AfriNIC address space announced: 12.9
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 1241 8176 238 CHINANET-BACKBONE
4755 1008 255 60 Videsh Sanchar Nigam Ltd. Aut
9583 952 109 15 Sify Limited
9498 858 212 64 BHARTI BT INTERNET LTD.
4766 744 4436 307 Korea Telecom (KIX)
4538 670 2782 34 China Education and Research
1221 653 1780 482 Telstra Pty Ltd
7545 542 124 74 TPG Internet Pty Ltd
17488 538 33 13 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
18101 464 86 21 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
17849 431 36 127 Telecommunications Technology
9942 428 77 123 COMindico Australia
4812 412 741 63 China Telecom (Shanghai)
17557 367 31 175 Pakistan Telecom
17974 364 129 12 PT TELEKOMUNIKASI INDONESIA
7474 359 210 226 SingTel Optus Pty Ltd
10139 345 23 6 Meridian Telekoms
2907 337 1733 312 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1927 422 UUNET - Commercial IP service
3215 399 1872 93 France Telecom Transpac
24863 367 42 14 LINKdotNET AS number
3301 314 1200 298 TeliaNet Sweden
3320 300 5015 245 Deutsche Telekom AG
8220 284 455 267 COLT Telecommunications
680 251 2041 247 DFN-IP service G-WiN
6746 246 91 224 Dynamic Network Technologies,
1257 245 740 170 SWIPnet Swedish IP Network
5089 245 1657 52 NTL Group Limited
3246 232 469 219 Song Networks
9116 226 134 23 Goldenlines main autonomous s
8708 222 279 209 Romania Data Systems S.A.
8551 216 198 28 Bezeq International
3269 204 2277 74 TELECOM ITALIA
30890 204 18 79 SC Kappa Invexim SRL
6830 200 879 43 UPC Distribution Services
5416 187 12 7 BATELCO-BH
8866 184 37 15 Bulgarian Telecommunication C
3300 182 171 99 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4948 6742 778 UUNET Technologies, Inc.
4323 3301 785 296 Time Warner Telecom
7018 1540 6250 991 AT&T WorldNet Services
705 1463 556 642 UUNET Technologies, Inc.
6197 1223 636 488 BellSouth Network Solutions,
2386 1181 618 751 AT&T Data Communications Serv
18566 967 272 8 Covad Communications
721 962 21925 305 DLA Systems Automation Center
174 959 6807 882 Cogent Communications
1239 849 2780 595 Sprint
7046 834 253 681 UUNET Technologies, Inc.
11492 754 90 15 Cable One
20115 746 673 388 Charter Communications
19262 745 2411 178 Verizon Global Networks
22773 719 1744 45 Cox Communications, Inc.
209 706 3632 554 Qwest
7011 682 210 427 Citizens Utilities
4355 613 303 88 EarthLink, Inc.
852 604 1071 388 Telus Advanced Communications
19916 565 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3301 3005 Time Warner Telecom
4134 1241 1003 CHINANET-BACKBONE
18566 967 959 Covad Communications
4755 1008 948 Videsh Sanchar Nigam Ltd. Aut
9583 952 937 Sify Limited
705 1463 821 UUNET Technologies, Inc.
9498 858 794 BHARTI BT INTERNET LTD.
11492 754 739 Cable One
6197 1223 735 BellSouth Network Solutions,
22773 719 674 Cox Communications, Inc.
721 962 657 DLA Systems Automation Center
4538 670 636 China Education and Research
19262 745 567 Verizon Global Networks
7018 1540 549 AT&T WorldNet Services
4355 613 525 EarthLink, Inc.
17488 538 525 Hathway IP Over Cable Interne
5668 538 520 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
7545 542 468 TPG Internet Pty Ltd
2686 562 463 IBM
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
64512 PRIVATE 64.136.249.0/24 19653 CTS Telecom, Inc.
65503 PRIVATE 66.43.242.0/24 5056 Iowa Network Service
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
65503 PRIVATE 67.55.168.0/24 5056 Iowa Network Service
65503 PRIVATE 67.55.216.0/24 5056 Iowa Network Service
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65503 PRIVATE 167.142.186.192/26 5056 Iowa Network Service
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65503 PRIVATE 207.177.49.0/24 5056 Iowa Network Service
65503 PRIVATE 207.177.105.0/24 5056 Iowa Network Service
65503 PRIVATE 207.177.106.0/24 5056 Iowa Network Service
65503 PRIVATE 207.199.206.0/24 5056 Iowa Network Service
65503 PRIVATE 207.199.224.0/24 5056 Iowa Network Service
65503 PRIVATE 209.152.67.0/24 5056 Iowa Network Service
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
65016 PRIVATE 212.2.26.64/29 8190 VIATEL
65016 PRIVATE 212.2.31.184/30 8190 VIATEL
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
65018 PRIVATE 213.235.24.216/29 8190 VIATEL
65013 PRIVATE 213.235.33.0/27 8190 VIATEL
65017 PRIVATE 213.235.48.96/28 8190 VIATEL
65503 PRIVATE 216.51.135.0/24 5056 Iowa Network Service
65503 PRIVATE 216.51.155.0/24 5056 Iowa Network Service
65503 PRIVATE 216.51.224.0/24 5056 Iowa Network Service
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
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
172.20.121.25/32 4355 EarthLink, Inc.
192.0.2.0/24 812 Rogers WAVE
192.168.83.0/24 292 Energy Sciences Network
198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
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
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
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.249.0.0/20 3450 University of Tennessee, Knox
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:13 /11:29 /12:109
/13:224 /14:388 /15:779 /16:9071 /17:3585 /18:5849
/19:12715 /20:14519 /21:12910 /22:16614 /23:18026 /24:117146
/25:574 /26:514 /27:300 /28:227 /29:237 /30:1613
/31:2 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3672 4948 UUNET Technologies, Inc.
4323 1960 3301 Time Warner Telecom
6197 1003 1223 BellSouth Network Solutions,
18566 950 967 Covad Communications
705 917 1463 UUNET Technologies, Inc.
2386 894 1181 AT&T Data Communications Serv
7018 811 1540 AT&T WorldNet Services
9583 780 952 Sify Limited
11492 742 754 Cable One
7011 589 682 Citizens Utilities
7046 583 834 UUNET Technologies, Inc.
19916 559 565 OLM LLC
4766 553 744 Korea Telecom (KIX)
2686 520 562 IBM
9498 518 858 BHARTI BT INTERNET LTD.
4755 443 1008 Videsh Sanchar Nigam Ltd. Aut
15270 442 473 PaeTec.net -a division of Pae
855 432 533 Canadian Research Network
5668 420 538 CenturyTel Internet Holdings,
17849 417 431 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 6:1 8:54 12:1655 13:1
15:16 16:3 17:3 18:4 20:37 24:822
25:1 32:266 38:257 40:57 41:22 44:3
47:6 52:4 53:1 55:1 56:3 57:53
58:232 59:324 60:214 61:925 62:1158 63:3407
64:3570 65:3628 66:3893 67:673 68:653 69:1687
70:410 71:92 72:969 74:89 75:9 80:848
81:716 82:642 83:403 84:427 85:695 86:422
87:480 88:235 89:532 91:30 121:57 122:18
124:418 125:660 128:278 129:229 130:123 131:314
132:35 133:11 134:166 135:50 136:177 137:106
138:185 139:130 140:526 141:131 142:366 143:192
144:246 145:43 146:320 147:143 148:368 149:179
150:115 151:121 152:79 153:121 154:6 155:257
156:160 157:169 158:152 159:173 160:101 161:89
162:216 163:176 164:273 165:242 166:237 167:274
168:604 169:128 170:382 171:11 172:1 189:4
190:254 192:5831 193:3540 194:2806 195:2257 196:974
198:4050 199:3409 200:4548 201:919 202:7031 203:7050
204:4108 205:2245 206:2845 207:3705 208:3043 209:3918
210:2249 211:963 212:1405 213:1563 214:377 215:39
216:4400 217:1342 218:359 219:293 220:794 221:381
222:243
End of report
