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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 15 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 211247
Prefixes after maximum aggregation: 109840
Unique aggregates announced to Internet: 95980
Total ASes present in the Internet Routing Table: 23199
Origin-only ASes present in the Internet Routing Table: 20176
Origin ASes announcing only one prefix: 9677
Transit ASes present in the Internet Routing Table: 3023
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 5.7
Max AS path length visible: 32
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 21
Unregistered ASNs in the Routing Table: 16
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1587762173
Equivalent to 94 /8s, 163 /16s and 83 /24s
Percentage of available address space announced: 42.8
Percentage of allocated address space announced: 60.8
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 109123
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44753
Total APNIC prefixes after maximum aggregation: 17578
Prefixes being announced from the APNIC address blocks: 42256
Unique aggregates announced from the APNIC address blocks: 18343
APNIC Region origin ASes present in the Internet Routing Table: 2707
APNIC Region origin ASes announcing only one prefix: 756
APNIC Region transit ASes present in the Internet Routing Table: 417
Average APNIC Region AS path length visible: 6.4
Max APNIC Region AS path length visible: 27
Number of APNIC addresses announced to Internet: 262208896
Equivalent to 15 /8s, 160 /16s and 253 /24s
Percentage of available APNIC address space announced: 82.0
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, 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: 110475
Total ARIN prefixes after maximum aggregation: 60707
Prefixes being announced from the ARIN address blocks: 82324
Unique aggregates announced from the ARIN address blocks: 27658
ARIN Region origin ASes present in the Internet Routing Table: 10987
ARIN Region origin ASes announcing only one prefix: 4151
ARIN Region transit ASes present in the Internet Routing Table: 1013
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 32
Number of ARIN addresses announced to Internet: 298106465
Equivalent to 17 /8s, 196 /16s and 190 /24s
Percentage of available ARIN address space announced: 77.3
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, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 41224
Total RIPE prefixes after maximum aggregation: 26798
Prefixes being announced from the RIPE address blocks: 38362
Unique aggregates announced from the RIPE address blocks: 24840
RIPE Region origin ASes present in the Internet Routing Table: 8551
RIPE Region origin ASes announcing only one prefix: 4475
RIPE Region transit ASes present in the Internet Routing Table: 1405
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 265676704
Equivalent to 15 /8s, 213 /16s and 231 /24s
Percentage of available RIPE address space announced: 72.0
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: 12335
Total LACNIC prefixes after maximum aggregation: 3810
Prefixes being announced from the LACNIC address blocks: 10367
Unique aggregates announced from the LACNIC address blocks: 6078
LACNIC Region origin ASes present in the Internet Routing Table: 724
LACNIC Region origin ASes announcing only one prefix: 247
LACNIC Region transit ASes present in the Internet Routing Table: 127
Average LACNIC Region AS path length visible: 6.6
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32343552
Equivalent to 1 /8s, 237 /16s and 134 /24s
Percentage of available LACNIC address space announced: 48.2
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: 2440
Total AfriNIC prefixes after maximum aggregation: 947
Prefixes being announced from the AfriNIC address blocks: 1689
Unique aggregates announced from the AfriNIC address blocks: 1015
AfriNIC Region origin ASes present in the Internet Routing Table: 162
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 5.6
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 4244992
Equivalent to 0 /8s, 64 /16s and 198 /24s
Percentage of available AfriNIC address space announced: 12.7
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 1305 8110 240 CHINANET-BACKBONE
4755 986 255 65 Videsh Sanchar Nigam Ltd. Aut
9583 955 109 15 Sify Limited
9498 853 212 71 BHARTI BT INTERNET LTD.
4766 762 4436 310 Korea Telecom (KIX)
1221 647 1780 479 Telstra Pty Ltd
4538 599 2718 32 China Education and Research
7545 538 124 73 TPG Internet Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 451 85 18 Reliance Infocom Ltd Internet
17849 425 31 128 Telecommunications Technology
4802 410 84 149 Wantree Development
4812 395 732 60 China Telecom (Shanghai)
17974 374 129 12 PT TELEKOMUNIKASI INDONESIA
17557 357 29 171 Pakistan Telecom
7474 352 210 223 SingTel Optus Pty Ltd
2907 341 1734 314 SINET Japan
10139 326 23 6 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1942 427 UUNET - Commercial IP service
3215 389 1760 98 France Telecom Transpac
3301 315 1186 299 TeliaNet Sweden
3320 296 5013 241 Deutsche Telekom AG
8220 282 455 265 COLT Telecommunications
24863 267 42 13 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
1257 248 740 169 SWIPnet Swedish IP Network
5089 244 1657 51 NTL Group Limited
6746 244 90 223 Dynamic Network Technologies,
3246 231 470 220 Song Networks
9116 222 134 23 Goldenlines main autonomous s
8708 216 278 203 Romania Data Systems S.A.
3292 206 1129 114 TDC Tele Danmark
3269 204 2262 74 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 200 18 78 SC Kappa Invexim SRL
6830 199 879 43 UPC Distribution Services
8866 185 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4972 6742 775 UUNET Technologies, Inc.
4323 3251 776 294 Time Warner Telecom
7018 1497 6299 962 AT&T WorldNet Services
705 1475 556 646 UUNET Technologies, Inc.
6197 1029 640 479 BellSouth Network Solutions,
2386 1028 569 777 AT&T Data Communications Serv
721 979 21909 306 DLA Systems Automation Center
174 975 6794 906 Cogent Communications
18566 961 272 8 Covad Communications
1239 842 2757 594 Sprint
7046 826 233 681 UUNET Technologies, Inc.
19262 738 2280 189 Verizon Global Networks
20115 738 660 384 Charter Communications
11492 737 90 12 Cable One
22773 702 1744 45 Cox Communications, Inc.
209 689 3630 545 Qwest
7011 666 207 420 Citizens Utilities
852 602 1069 385 Telus Advanced Communications
6478 576 1253 377 AT&T Worldnet Services
19916 565 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3251 2957 Time Warner Telecom
4134 1305 1065 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 955 940 Sify Limited
4755 986 921 Videsh Sanchar Nigam Ltd. Aut
705 1475 829 UUNET Technologies, Inc.
9498 853 782 BHARTI BT INTERNET LTD.
11492 737 725 Cable One
721 979 673 DLA Systems Automation Center
22773 702 657 Cox Communications, Inc.
4538 599 567 China Education and Research
6197 1029 550 BellSouth Network Solutions,
19262 738 549 Verizon Global Networks
7018 1497 535 AT&T WorldNet Services
5668 537 519 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 565 511 OLM LLC
855 544 475 Canadian Research Network
7545 538 465 TPG Internet Pty Ltd
2686 558 458 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
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
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
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
64659 PRIVATE 210.184.109.0/24 9729 iAdvantage Limited
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
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
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
65013 PRIVATE 213.235.33.0/27 8190 VIATEL
65017 PRIVATE 213.235.48.96/28 8190 VIATEL
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
0.0.0.0/8 3303 Swisscom Ltd
169.254.0.0/16 8895 KACST/ISU Riyadh Autonomous S
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.31.31.0/30 6325 Illinois Century Network
192.0.2.0/24 8895 KACST/ISU Riyadh Autonomous S
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
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 /9:9 /10:13 /11:31 /12:106
/13:222 /14:387 /15:761 /16:9034 /17:3519 /18:5768
/19:12505 /20:14228 /21:12655 /22:16217 /23:17506 /24:115807
/25:520 /26:509 /27:297 /28:243 /29:229 /30:543
/31:0 /32:119
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3703 4972 UUNET Technologies, Inc.
4323 1938 3251 Time Warner Telecom
18566 944 961 Covad Communications
705 923 1475 UUNET Technologies, Inc.
6197 808 1029 BellSouth Network Solutions,
9583 785 955 Sify Limited
7018 784 1497 AT&T WorldNet Services
2386 747 1028 AT&T Data Communications Serv
11492 725 737 Cable One
7046 580 826 UUNET Technologies, Inc.
4766 572 762 Korea Telecom (KIX)
7011 571 666 Citizens Utilities
19916 559 565 OLM LLC
2686 514 558 IBM
9498 509 853 BHARTI BT INTERNET LTD.
15270 439 470 PaeTec.net -a division of Pae
855 424 544 Canadian Research Network
4755 420 986 Videsh Sanchar Nigam Ltd. Aut
5668 420 537 CenturyTel Internet Holdings,
17849 413 425 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:47 11:1 12:1651 13:1
15:16 16:3 17:3 18:4 20:41 24:828
25:1 32:268 38:254 40:55 41:17 44:3
47:6 52:4 55:1 56:3 57:53 58:244
59:296 60:173 61:915 62:985 63:3381 64:3489
65:3620 66:3880 67:675 68:656 69:1648 70:391
71:98 72:910 74:79 75:7 80:836 81:698
82:614 83:390 84:409 85:666 86:402 87:456
88:185 89:458 121:32 122:14 123:1 124:371
125:634 128:153 129:228 130:118 131:313 132:38
133:10 134:146 135:48 136:178 137:98 138:224
139:148 140:525 141:134 142:372 143:191 144:242
145:42 146:326 147:141 148:360 149:180 150:113
151:121 152:79 153:118 154:6 155:230 156:158
157:180 158:154 159:174 160:103 161:88 162:218
163:167 164:492 165:230 166:240 167:244 168:606
169:129 170:364 171:11 190:207 192:5843 193:3482
194:2799 195:2231 196:938 198:4027 199:3397 200:4665
201:924 202:7048 203:7187 204:4098 205:2188 206:2815
207:3585 208:3045 209:3796 210:2253 211:882 212:1395
213:1498 214:368 215:40 216:4364 217:1323 218:361
219:296 220:789 221:385 222:255
End of report
