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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 21 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 211352
Prefixes after maximum aggregation: 110047
Unique aggregates announced to Internet: 96257
Total ASes present in the Internet Routing Table: 23246
Origin-only ASes present in the Internet Routing Table: 20185
Origin ASes announcing only one prefix: 9679
Transit ASes present in the Internet Routing Table: 3061
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 25
Unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1598361533
Equivalent to 95 /8s, 69 /16s and 15 /24s
Percentage of available address space announced: 43.1
Percentage of allocated address space announced: 61.2
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 109017
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44899
Total APNIC prefixes after maximum aggregation: 17655
Prefixes being announced from the APNIC address blocks: 42400
Unique aggregates announced from the APNIC address blocks: 18360
APNIC Region origin ASes present in the Internet Routing Table: 2713
APNIC Region origin ASes announcing only one prefix: 756
APNIC Region transit ASes present in the Internet Routing Table: 415
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262448000
Equivalent to 15 /8s, 164 /16s and 163 /24s
Percentage of available APNIC address space announced: 82.1
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: 110545
Total ARIN prefixes after maximum aggregation: 60813
Prefixes being announced from the ARIN address blocks: 82530
Unique aggregates announced from the ARIN address blocks: 27734
ARIN Region origin ASes present in the Internet Routing Table: 10998
ARIN Region origin ASes announcing only one prefix: 4148
ARIN Region transit ASes present in the Internet Routing Table: 1038
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 298884705
Equivalent to 17 /8s, 208 /16s and 158 /24s
Percentage of available ARIN address space announced: 77.5
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: 41332
Total RIPE prefixes after maximum aggregation: 26834
Prefixes being announced from the RIPE address blocks: 38447
Unique aggregates announced from the RIPE address blocks: 24915
RIPE Region origin ASes present in the Internet Routing Table: 8561
RIPE Region origin ASes announcing only one prefix: 4476
RIPE Region transit ASes present in the Internet Routing Table: 1409
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 265983840
Equivalent to 15 /8s, 218 /16s and 151 /24s
Percentage of available RIPE address space announced: 72.1
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
40960-41983
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: 12168
Total LACNIC prefixes after maximum aggregation: 3804
Prefixes being announced from the LACNIC address blocks: 10183
Unique aggregates announced from the LACNIC address blocks: 6095
LACNIC Region origin ASes present in the Internet Routing Table: 730
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 32677632
Equivalent to 1 /8s, 242 /16s and 159 /24s
Percentage of available LACNIC address space announced: 48.7
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: 2384
Total AfriNIC prefixes after maximum aggregation: 941
Prefixes being announced from the AfriNIC address blocks: 1687
Unique aggregates announced from the AfriNIC address blocks: 1021
AfriNIC Region origin ASes present in the Internet Routing Table: 163
AfriNIC Region origin ASes announcing only one prefix: 50
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 4249856
Equivalent to 0 /8s, 64 /16s and 217 /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 1238 8100 238 CHINANET-BACKBONE
4755 990 255 61 Videsh Sanchar Nigam Ltd. Aut
9583 951 109 20 Sify Limited
9498 854 212 71 BHARTI BT INTERNET LTD.
4766 760 4436 309 Korea Telecom (KIX)
1221 648 1780 479 Telstra Pty Ltd
4538 599 2718 32 China Education and Research
7545 540 124 74 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 498 10933 63 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 453 85 18 Reliance Infocom Ltd Internet
9942 428 77 125 COMindico Australia
17849 425 31 128 Telecommunications Technology
4802 412 84 150 Wantree Development
4812 398 741 61 China Telecom (Shanghai)
17974 371 129 12 PT TELEKOMUNIKASI INDONESIA
7474 352 210 222 SingTel Optus Pty Ltd
17557 351 28 164 Pakistan Telecom
2907 339 1734 313 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1944 428 UUNET - Commercial IP service
3215 394 1832 96 France Telecom Transpac
3301 315 1186 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 283 455 266 COLT Telecommunications
24863 271 42 14 LINKdotNET AS number
680 250 2041 246 DFN-IP service G-WiN
1257 245 740 170 SWIPnet Swedish IP Network
5089 243 1657 51 NTL Group Limited
6746 236 90 215 Dynamic Network Technologies,
3246 232 470 219 Song Networks
9116 224 134 23 Goldenlines main autonomous s
8708 216 278 203 Romania Data Systems S.A.
3292 206 1137 115 TDC Tele Danmark
3269 204 2262 74 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 200 18 79 SC Kappa Invexim SRL
6830 199 879 43 UPC Distribution Services
8866 184 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 4968 6757 780 UUNET Technologies, Inc.
4323 3268 780 295 Time Warner Telecom
7018 1513 6252 981 AT&T WorldNet Services
705 1478 556 649 UUNET Technologies, Inc.
2386 1031 570 781 AT&T Data Communications Serv
6197 1030 640 479 BellSouth Network Solutions,
721 975 21909 306 DLA Systems Automation Center
174 973 6793 902 Cogent Communications
18566 961 272 8 Covad Communications
1239 840 2764 593 Sprint
7046 825 233 680 UUNET Technologies, Inc.
11492 741 90 12 Cable One
19262 741 2312 190 Verizon Global Networks
20115 739 662 385 Charter Communications
22773 705 1744 46 Cox Communications, Inc.
209 702 3631 552 Qwest
7011 667 207 421 Citizens Utilities
852 601 1069 385 Telus Advanced Communications
6478 586 1265 381 AT&T Worldnet Services
19916 565 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3268 2973 Time Warner Telecom
4134 1238 1000 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 951 931 Sify Limited
4755 990 929 Videsh Sanchar Nigam Ltd. Aut
705 1478 829 UUNET Technologies, Inc.
9498 854 783 BHARTI BT INTERNET LTD.
11492 741 729 Cable One
721 975 669 DLA Systems Automation Center
22773 705 659 Cox Communications, Inc.
4538 599 567 China Education and Research
6197 1030 551 BellSouth Network Solutions,
19262 741 551 Verizon Global Networks
7018 1513 532 AT&T WorldNet Services
17488 534 522 Hathway IP Over Cable Interne
5668 535 517 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 545 476 Canadian Research Network
7545 540 466 TPG Internet Pty Ltd
2686 559 458 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
65011 PRIVATE 62.245.148.0/26 8767 M"net AS
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
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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
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
65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp
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
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
192.0.2.0/24 812 Rogers WAVE
192.168.83.0/24 292 Energy Sciences Network
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 /9:10 /10:13 /11:31 /12:106
/13:222 /14:386 /15:765 /16:9051 /17:3538 /18:5798
/19:12529 /20:14253 /21:12678 /22:16255 /23:17689 /24:115578
/25:509 /26:502 /27:296 /28:239 /29:224 /30:542
/31:0 /32:119
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3695 4968 UUNET Technologies, Inc.
4323 1944 3268 Time Warner Telecom
18566 944 961 Covad Communications
705 924 1478 UUNET Technologies, Inc.
6197 809 1030 BellSouth Network Solutions,
7018 790 1513 AT&T WorldNet Services
9583 779 951 Sify Limited
2386 749 1031 AT&T Data Communications Serv
11492 729 741 Cable One
7046 579 825 UUNET Technologies, Inc.
7011 572 667 Citizens Utilities
4766 570 760 Korea Telecom (KIX)
19916 559 565 OLM LLC
2686 515 559 IBM
9498 509 854 BHARTI BT INTERNET LTD.
15270 440 471 PaeTec.net -a division of Pae
855 425 545 Canadian Research Network
4755 425 990 Videsh Sanchar Nigam Ltd. Aut
5668 418 535 CenturyTel Internet Holdings,
17849 413 425 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:50 12:1666 13:1 15:16
16:3 17:3 18:4 20:41 24:828 25:1
32:265 38:256 40:55 41:17 44:3 47:6
52:4 55:1 56:3 57:53 58:243 59:291
60:179 61:920 62:1007 63:3384 64:3495 65:3628
66:3887 67:666 68:656 69:1653 70:395 71:88
72:921 74:80 75:7 80:833 81:687 82:614
83:394 84:416 85:667 86:416 87:462 88:182
89:464 121:35 122:14 123:1 124:377 125:639
128:151 129:230 130:118 131:315 132:38 133:10
134:167 135:50 136:178 137:98 138:225 139:134
140:526 141:135 142:382 143:191 144:241 145:42
146:321 147:141 148:359 149:180 150:114 151:121
152:79 153:120 154:6 155:231 156:158 157:198
158:154 159:175 160:98 161:88 162:218 163:167
164:277 165:228 166:236 167:250 168:604 169:129
170:364 171:11 190:206 192:5840 193:3496 194:2806
195:2233 196:939 198:4031 199:3397 200:4435 201:924
202:7062 203:7196 204:4118 205:2215 206:2834 207:3583
208:3050 209:3811 210:2228 211:882 212:1399 213:1497
214:377 215:40 216:4347 217:1333 218:347 219:290
220:793 221:382 222:242
End of report
