RIS Statistics Report (20090216-20090223)
This report was generated at Mon Feb 23 00:15:01 UTC 2009. It analyses the BGP
Routing Tables which are collected by RIS Remote Collectors at different locations
around the world. Check http://www.ris.ripe.net/weekly-report/ for more info.
o Prefix Distribution
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
APNIC 87715 72977 68631 0 82657 64756 64884 62641 62323 62039 63231 63499 67719 63008 66907 67475
ARIN 120320 97018 91623 0 109167 92478 92606 94511 92337 91439 95324 91912 94715 92132 95421 91797
LACNIC 33855 21793 22202 0 31384 22089 22200 21790 22106 22015 22216 21552 23763 22072 24898 21675
RIPE NCC 276012 62105 84790 0 81791 80363 71298 60749 61871 64744 62777 62564 217678 61589 61935 61457
AfriNIC 3444 2809 2870 0 3382 2869 2885 2874 2852 2877 2905 2845 2933 2883 2883 2830
Old 52037 42776 41592 0 49900 42420 42297 41750 41105 41181 41532 41293 42785 41312 43281 42069
IANA 45 1 31 0 45 31 31 1 1 1 1 1 1 1 1 1
RFC1918 1935 1 5 0 73 63 484 0 1 57 61 2 1365 1 12 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 575363 299480 311744 0 358399 305069 296685 284316 282596 284353 288047 283668 450959 282998 295338 287304
AS number distributions wrt RIR and single-homed/multi-homed.
o ASes per RIR region
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 13270 13143 13071 0 13156 13140 13114 12970 13081 13069 13105 13065 13190 13083 13102 13007
APNIC 3672 3649 3590 0 3629 3617 3600 3580 3601 3585 3606 3606 3593 3608 3576 3585
RIPE NCC 13013 12924 12917 0 12929 12917 12921 12854 12931 12906 12938 12927 12948 12911 12887 12884
LACNIC 1105 1095 1083 0 1096 1093 1090 1087 1085 1085 1096 1085 1100 1095 1094 1083
AFRINIC 248 244 245 0 244 243 242 239 241 242 245 244 246 243 240 241
IANA 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0
Private 109 51 59 0 44 38 47 24 31 42 48 34 37 40 45 25
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 31420 31108 30967 0 31101 31050 31016 30755 30971 30931 31040 30963 31115 30982 30945 30827
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3967 4684 4781 0 4723 4990 5197 7595 5498 5326 4629 4989 5312 4950 6779 7377
APNIC 917 1086 1168 0 1183 1102 1163 1631 1286 1284 1064 1181 1355 1132 1523 1732
RIPE NCC 3815 4606 4591 0 4531 4737 4641 7537 4792 4754 4456 4719 5198 4911 7108 7163
LACNIC 329 426 416 0 409 400 415 515 437 446 386 434 468 402 448 529
AFRINIC 84 93 90 0 93 93 92 111 94 94 92 94 97 90 104 117
IANA 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0
Private 76 34 42 0 33 21 26 15 21 25 29 21 22 22 29 19
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9190 10930 11089 0 10974 11344 11535 17404 12128 11930 10657 11439 12452 11508 15991 16938
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9303 8459 8290 0 8433 8150 7917 5375 7583 7743 8476 8076 7878 8133 6323 5630
APNIC 2755 2563 2422 0 2446 2515 2437 1949 2315 2301 2542 2425 2238 2476 2053 1853
RIPE NCC 9198 8318 8326 0 8398 8180 8280 5317 8139 8152 8482 8208 7750 8000 5779 5721
LACNIC 776 669 667 0 687 693 675 572 648 639 710 651 632 693 646 554
AFRINIC 164 151 155 0 151 150 150 128 147 148 153 150 149 153 136 124
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 33 17 17 0 11 17 21 9 10 17 19 13 15 18 16 6
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 22230 20178 19878 0 20127 19706 19481 13351 18843 19001 20383 19524 18663 19474 14954 13889
IANA : AS65535
Number of 4-byte ASes: 16.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 25248 25411 25243 0 25559 25190 25117 25288 25171 25187 25110 25567 25646 25149 25365 26080
Transit 6017 5562 5570 0 5407 5717 5751 5331 5651 5595 5766 5241 5339 5676 5450 4632
Transit-only 172 142 161 0 145 151 158 139 154 153 172 160 132 166 136 120
Total 31437 31115 30974 0 31111 31058 31026 30758 30976 30935 31048 30968 31117 30991 30951 30832
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.78 6.10 5.35 0.00 5.28 6.11 5.73 5.52 5.54 5.80 5.54 5.24 5.75 5.27 7.29 4.98
Std 2.46 2.34 2.45 0.00 2.28 2.25 2.69 2.42 2.66 2.28 2.55 2.41 2.27 2.47 3.03 1.63
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/8 6067
10.6.6.6/32 3741
10.100.100.100/30 6067
10.176.2.0/24 3549
10.176.3.0/24 3549
10.255.150.0/23 8546
172.16.0.0/16 8546
172.22.0.23/32 1267
172.22.0.45/32 1267
172.22.0.83/32 1267
172.22.0.180/32 1267
172.22.0.189/32 1267
172.22.2.5/32 1267
172.22.2.84/32 1267
172.22.2.194/32 1267
172.22.2.243/32 1267
172.22.3.12/32 1267
172.22.3.247/32 1267
172.22.4.20/32 1267
172.22.4.32/32 1267
172.22.4.163/32 1267
172.22.4.239/32 1267
172.22.5.40/32 1267
172.22.5.53/32 1267
172.22.5.57/32 1267
172.22.5.59/32 1267
172.22.5.75/32 1267
172.22.5.85/32 1267
172.22.5.86/32 1267
172.22.5.95/32 1267
172.22.5.100/32 1267
172.22.5.118/32 1267
172.22.5.119/32 1267
172.22.5.124/32 1267
172.22.5.125/32 1267
172.22.5.137/32 1267
172.22.5.138/32 1267
172.22.5.140/32 1267
172.22.6.28/32 1267
172.22.6.57/32 1267
172.22.6.58/32 1267
172.22.6.68/32 1267
172.22.6.133/32 1267
172.22.6.152/32 1267
172.22.6.204/32 1267
172.22.6.230/32 1267
172.22.6.241/32 1267
172.22.6.255/32 1267
172.22.7.2/32 1267
172.22.7.5/32 1267
172.22.7.9/32 1267
172.22.7.10/32 1267
172.22.7.14/32 1267
172.22.7.128/32 1267
172.22.7.153/32 1267
172.22.7.155/32 1267
172.22.7.198/32 1267
172.22.7.242/32 1267
172.22.8.153/32 1267
172.22.8.203/32 1267
172.22.8.218/32 1267
172.22.8.219/32 1267
172.22.9.23/32 1267
172.22.10.21/32 1267
172.22.10.148/32 1267
172.22.11.131/32 1267
172.22.11.149/32 1267
172.22.12.189/32 1267
172.22.13.7/32 1267
172.22.13.160/32 1267
172.22.13.161/32 1267
172.22.13.179/32 1267
172.22.13.234/32 1267
172.22.13.237/32 1267
172.22.14.21/32 1267
172.22.15.40/32 1267
172.22.15.109/32 1267
172.30.157.0/26 8968
192.168.0.0/24 6730
192.168.20.0/24 6730
192.168.199.196/30 13237
192.168.252.0/24 8527
o List of hot-spots during the week.
Prefix Origin AS Number of updates
212.85.220.0/24 30306 505820
212.85.223.0/24 30306 498147
41.204.2.0/24 32398 472916
209.197.12.0/22 29798 220661
66.63.32.0/19 16559 214642
210.214.156.0/24 9583 199895
210.214.146.0/24 9583 197106
210.214.117.0/24 9583 190887
210.214.232.0/24 9583 182162
210.214.184.0/24 9583 176149
Total number of RIS BGP peering sessions: 643