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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 06 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 209579
Prefixes after maximum aggregation: 109250
Unique aggregates announced to Internet: 96070
Total ASes present in the Internet Routing Table: 23001
Origin-only ASes present in the Internet Routing Table: 19971
Origin ASes announcing only one prefix: 9551
Transit ASes present in the Internet Routing Table: 3030
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 23
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: 1573244381
Equivalent to 93 /8s, 197 /16s and 205 /24s
Percentage of available address space announced: 42.4
Percentage of allocated address space announced: 60.2
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 108000
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44552
Total APNIC prefixes after maximum aggregation: 17571
Prefixes being announced from the APNIC address blocks: 42075
Unique aggregates announced from the APNIC address blocks: 18855
APNIC Region origin ASes present in the Internet Routing Table: 2702
APNIC Region origin ASes announcing only one prefix: 759
APNIC Region transit ASes present in the Internet Routing Table: 410
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 259115168
Equivalent to 15 /8s, 113 /16s and 200 /24s
Percentage of available APNIC address space announced: 81.0
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: 109879
Total ARIN prefixes after maximum aggregation: 60459
Prefixes being announced from the ARIN address blocks: 82183
Unique aggregates announced from the ARIN address blocks: 27635
ARIN Region origin ASes present in the Internet Routing Table: 10959
ARIN Region origin ASes announcing only one prefix: 4129
ARIN Region transit ASes present in the Internet Routing Table: 1030
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296783713
Equivalent to 17 /8s, 176 /16s and 143 /24s
Percentage of available ARIN address space announced: 76.9
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, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 40357
Total RIPE prefixes after maximum aggregation: 26459
Prefixes being announced from the RIPE address blocks: 37471
Unique aggregates announced from the RIPE address blocks: 24511
RIPE Region origin ASes present in the Internet Routing Table: 8391
RIPE Region origin ASes announcing only one prefix: 4375
RIPE Region transit ASes present in the Internet Routing Table: 1397
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 259578208
Equivalent to 15 /8s, 120 /16s and 217 /24s
Percentage of available RIPE address space announced: 70.3
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: 12406
Total LACNIC prefixes after maximum aggregation: 3825
Prefixes being announced from the LACNIC address blocks: 10422
Unique aggregates announced from the LACNIC address blocks: 6017
LACNIC Region origin ASes present in the Internet Routing Table: 719
LACNIC Region origin ASes announcing only one prefix: 241
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32433664
Equivalent to 1 /8s, 238 /16s and 230 /24s
Percentage of available LACNIC address space announced: 48.3
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: 2363
Total AfriNIC prefixes after maximum aggregation: 936
Prefixes being announced from the AfriNIC address blocks: 1665
Unique aggregates announced from the AfriNIC address blocks: 1004
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4228096
Equivalent to 0 /8s, 64 /16s and 132 /24s
Percentage of available AfriNIC address space announced: 12.6
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 1164 6972 283 CHINANET-BACKBONE
4755 979 255 64 Videsh Sanchar Nigam Ltd. Aut
9583 954 109 15 Sify Limited
9498 846 212 72 BHARTI BT INTERNET LTD.
4766 763 4436 310 Korea Telecom (KIX)
1221 652 1780 481 Telstra Pty Ltd
4538 600 2718 32 China Education and Research
7545 537 124 72 TPG Internet Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
17676 498 10933 62 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 446 85 18 Reliance Infocom Ltd Internet
17849 427 31 124 Telecommunications Technology
4802 410 84 149 Wantree Development
4812 395 732 60 China Telecom (Shanghai)
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
17557 356 29 167 Pakistan Telecom
7474 355 210 227 SingTel Optus Pty Ltd
2907 340 1734 313 SINET Japan
10139 333 23 6 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 551 1944 433 UUNET - Commercial IP service
3215 390 1760 98 France Telecom Transpac
3301 315 1186 300 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 285 471 268 COLT Telecommunications
24863 257 42 14 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
1257 248 740 166 SWIPnet Swedish IP Network
6746 243 90 222 Dynamic Network Technologies,
5089 237 1657 51 NTL Group Limited
3246 232 462 222 Song Networks
8708 215 278 203 Romania Data Systems S.A.
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 199 18 81 SC Kappa Invexim SRL
6830 195 879 43 UPC Distribution Services
5416 181 12 7 BATELCO-BH
8866 181 37 15 Bulgarian Telecommunication C
3300 175 171 97 AUCS Communications Services
786 171 1779 171 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4993 6779 781 UUNET Technologies, Inc.
4323 3224 776 294 Time Warner Telecom
7018 1491 6283 960 AT&T WorldNet Services
705 1478 556 649 UUNET Technologies, Inc.
6197 1027 639 477 BellSouth Network Solutions,
721 978 21909 306 DLA Systems Automation Center
2386 963 561 732 AT&T Data Communications Serv
18566 958 272 8 Covad Communications
174 943 5754 881 Cogent Communications
1239 831 2756 587 Sprint
7046 819 234 677 UUNET Technologies, Inc.
20115 741 661 388 Charter Communications
19262 740 2280 190 Verizon Global Networks
11492 731 90 14 Cable One
22773 695 1744 43 Cox Communications, Inc.
209 684 3641 540 Qwest
7011 668 207 422 Citizens Utilities
852 602 1068 384 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 562 248 73 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3224 2930 Time Warner Telecom
18566 958 950 Covad Communications
9583 954 939 Sify Limited
4755 979 915 Videsh Sanchar Nigam Ltd. Aut
4134 1164 881 CHINANET-BACKBONE
705 1478 829 UUNET Technologies, Inc.
9498 846 774 BHARTI BT INTERNET LTD.
11492 731 717 Cable One
721 978 672 DLA Systems Automation Center
22773 695 652 Cox Communications, Inc.
4538 600 568 China Education and Research
6197 1027 550 BellSouth Network Solutions,
19262 740 550 Verizon Global Networks
7018 1491 531 AT&T WorldNet Services
5668 536 518 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 563 509 OLM LLC
8151 722 505 UniNet S.A. de C.V.
855 562 489 Canadian Research Network
7545 537 465 TPG Internet Pty Ltd
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
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
65014 PRIVATE 203.117.240.0/21 4657 Starhub Internet, Si
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
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 /11:30 /12:100
/13:213 /14:379 /15:732 /16:8957 /17:3395 /18:5705
/19:12417 /20:14157 /21:12563 /22:16044 /23:17410 /24:115064
/25:508 /26:487 /27:307 /28:221 /29:198 /30:530
/31:0 /32:121
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3722 4993 UUNET Technologies, Inc.
4323 1917 3224 Time Warner Telecom
18566 941 958 Covad Communications
705 924 1478 UUNET Technologies, Inc.
6197 806 1027 BellSouth Network Solutions,
9583 785 954 Sify Limited
7018 781 1491 AT&T WorldNet Services
11492 719 731 Cable One
2386 680 963 AT&T Data Communications Serv
7046 584 819 UUNET Technologies, Inc.
4766 574 763 Korea Telecom (KIX)
7011 573 668 Citizens Utilities
19916 557 563 OLM LLC
2686 510 554 IBM
9498 505 846 BHARTI BT INTERNET LTD.
15270 437 468 PaeTec.net -a division of Pae
855 436 562 Canadian Research Network
5668 419 536 CenturyTel Internet Holdings,
4755 414 979 Videsh Sanchar Nigam Ltd. Aut
17849 414 427 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:46 11:1 12:1630 13:1
15:16 16:3 17:3 18:4 20:41 24:823
25:1 32:269 38:252 40:55 41:17 44:3
47:3 52:4 55:1 56:3 57:53 58:238
59:293 60:184 61:923 62:946 63:3376 64:3489
65:3623 66:3880 67:665 68:652 69:1623 70:388
71:89 72:895 74:78 75:6 80:776 81:676
82:656 83:395 84:377 85:687 86:377 87:448
88:171 89:435 121:21 122:6 123:1 124:371
125:642 128:146 129:206 130:118 131:313 132:36
133:8 134:163 135:48 136:177 137:98 138:224
139:133 140:519 141:135 142:390 143:192 144:236
145:41 146:327 147:140 148:352 149:180 150:113
151:119 152:78 153:117 154:6 155:220 156:170
157:179 158:165 159:175 160:93 161:88 162:218
163:166 164:295 165:227 166:184 167:245 168:602
169:128 170:360 171:14 190:202 192:5833 193:3398
194:2764 195:2144 196:927 198:4040 199:3389 200:4637
201:1027 202:6972 203:7221 204:4099 205:2173 206:2817
207:3598 208:3045 209:3815 210:2240 211:907 212:1348
213:1496 214:365 215:41 216:4382 217:1316 218:361
219:292 220:796 221:388 222:262
End of report
