RIS Statistics Report (20070716-20070723) This report was generated at Mon Jul 23 00:15:01 UTC 2007. 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 APNIC 52160 50977 50206 2 50858 48516 48604 18109 49296 48481 49265 49899 49352 44755 22065 ARIN 82053 80964 79607 163 80028 79157 79730 25335 79425 79291 79556 80281 79645 77667 35104 LACNIC 17459 13737 13658 1175 13723 13759 13759 7148 13674 13673 13660 13708 13713 13751 11712 RIPE NCC 61679 46425 46661 770 47024 45008 57577 25855 45906 45121 45109 46404 46258 45150 26612 AfriNIC 564 556 562 80 562 562 562 411 562 560 564 564 562 564 416 Old 42939 42209 39953 371 40431 39101 39660 13717 39666 38631 39936 40011 40018 38417 18274 IANA 1215 1163 1154 0 1158 1138 1149 732 1139 1137 1152 1184 1139 1095 546 RFC1918 120 0 14 0 2 0 75 0 0 29 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 258189 236031 231815 2561 233786 227241 241116 91307 229668 226923 229242 232051 230687 221399 114729 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 ARIN 12715 12690 12613 174 12670 12605 12636 5617 12596 12585 0 12676 12615 12429 7074 APNIC 3002 2998 2965 0 2987 2966 2968 1555 2961 2957 0 2984 2954 2841 1876 RIPE NCC 10029 9991 9997 186 9992 9959 9975 6710 9985 9960 0 9992 10001 9931 7046 LACNIC 339 339 333 48 338 338 339 235 332 333 0 338 338 338 273 AFRINIC 60 58 59 2 60 58 59 44 58 58 0 59 59 58 44 IANA 1 1 1 0 1 1 1 1 1 1 0 1 1 1 1 Private 130 70 104 1 76 48 69 31 60 41 0 112 61 47 39 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 26277 26147 26073 411 26124 25975 26047 14193 25993 25935 0 26162 26029 25645 16353 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3879 4245 4317 107 4354 6059 5424 2315 5049 5218 0 4646 4933 4941 3030 APNIC 804 861 913 0 905 1316 997 611 1087 1145 0 956 1026 1070 795 RIPE NCC 2911 3322 3262 130 3325 4566 3971 3093 3990 3982 0 3727 3534 3757 3051 LACNIC 129 150 145 37 139 173 163 119 159 161 0 150 167 151 122 AFRINIC 34 32 34 2 35 35 34 28 34 36 0 35 34 34 24 IANA 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 Private 81 27 66 1 32 17 26 9 21 7 0 72 22 9 12 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7838 8637 8737 277 8790 12167 10615 6176 10340 10549 0 9586 9716 9962 7034 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8836 8445 8296 67 8316 6546 7212 3302 7547 7367 0 8030 7682 7488 4044 APNIC 2198 2137 2052 0 2082 1650 1971 944 1874 1812 0 2028 1928 1771 1081 RIPE NCC 7118 6669 6735 56 6667 5393 6004 3617 5995 5978 0 6265 6467 6174 3995 LACNIC 210 189 188 11 199 165 176 116 173 172 0 188 171 187 151 AFRINIC 26 26 25 0 25 23 25 16 24 22 0 24 25 24 20 IANA 1 1 1 0 1 0 1 0 1 1 0 1 1 1 1 Private 49 43 38 0 44 31 43 22 39 34 0 40 39 38 27 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 18439 17510 17336 134 17334 13808 15432 8017 15653 15386 0 16576 16313 15683 9319 IANA : AS65535 Number of 4-byte ASes: 9. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 21792 21821 21816 300 21820 21950 21914 11115 21892 21911 0 21921 21892 21469 13004 Transit 4330 4174 4098 57 4143 3888 3986 2351 3940 3879 0 4088 3986 3975 2672 Transit-only 168 165 165 56 173 149 160 732 167 151 0 161 159 207 682 Total 26290 26160 26079 413 26136 25987 26060 14198 25999 25941 0 26170 26037 25651 16358 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.26 6.28 5.73 4.11 6.16 6.19 6.04 6.03 6.31 5.94 0.00 6.23 6.71 5.85 7.24 Std 2.70 2.66 2.62 2.48 2.74 2.56 2.66 2.57 2.84 2.36 0.00 2.76 2.62 2.74 2.67 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.4/30 29449 10.7.0.0/30 29449 10.7.0.4/30 29449 10.7.0.8/30 29449 10.7.0.12/30 29449 10.7.0.16/30 29449 10.7.1.0/24 29449 10.7.2.0/24 29449 10.7.3.0/24 29449 10.9.0.0/30 29449 10.11.12.0/24 34245 10.11.13.0/24 34245 10.20.2.0/30 29449 10.20.3.0/30 29449 10.20.4.0/30 29449 10.20.5.0/30 29449 10.20.6.0/30 29449 10.20.8.0/30 29449 10.20.90.0/24 23352 10.193.3.0/24 34245 10.193.14.32/27 34245 10.193.14.64/27 34245 10.193.14.96/27 34245 10.250.250.0/24 23352 172.16.2.2/32 8447 172.16.41.0/24 29449 172.16.91.64/30 8447 172.16.91.148/30 8447 172.16.91.164/30 8447 172.16.91.168/30 8447 172.17.52.4/30 8447 172.17.52.80/30 8447 172.17.52.128/30 8447 172.17.52.144/30 8447 172.17.52.160/30 8447 172.17.52.184/30 8447 172.17.52.228/30 8447 172.17.52.240/30 8447 172.17.53.4/30 8447 172.17.53.40/30 8447 172.17.53.60/30 8447 172.17.53.80/30 8447 172.17.53.104/30 8447 172.17.53.116/30 8447 172.17.53.124/30 8447 172.17.53.128/30 8447 172.17.53.148/30 8447 172.17.53.176/30 8447 172.17.53.220/30 8447 172.17.53.224/30 8447 172.17.54.4/30 8447 172.17.54.16/30 8447 172.17.54.52/30 8447 172.17.54.80/30 8447 172.17.54.96/30 8447 172.17.91.0/24 8447 172.17.91.16/30 8447 172.18.50.0/24 29449 172.18.91.8/29 8447 172.18.91.128/25 8447 172.19.91.128/28 8447 172.19.91.144/28 8447 172.19.91.176/29 8447 172.19.91.184/29 8447 172.20.3.0/24 29449 172.20.4.0/24 29449 172.20.5.0/24 29449 172.20.6.0/24 29449 172.20.8.0/24 29449 172.20.16.6/32 8447 172.21.152.0/21 8447 172.21.160.0/21 8447 172.22.16.0/20 8447 172.22.147.128/25 8447 172.22.151.128/25 8447 172.22.153.0/25 8447 172.22.155.0/25 8447 172.22.155.128/25 8447 172.28.68.3/32 8447 172.28.68.76/32 8447 172.28.68.77/32 8447 172.28.68.78/32 8447 172.28.68.162/32 8447 172.28.68.163/32 8447 172.28.68.164/32 8447 172.28.68.165/32 8447 172.28.68.166/32 8447 172.28.68.167/32 8447 172.28.68.168/32 8447 172.28.68.169/32 8447 172.28.68.170/32 8447 172.28.68.171/32 8447 172.28.68.200/32 8447 172.28.68.201/32 8447 172.28.68.202/32 8447 172.28.68.203/32 8447 172.28.68.204/32 8447 172.28.68.205/32 8447 172.28.68.206/32 8447 172.28.68.209/32 8447 172.28.68.210/32 8447 172.28.68.211/32 8447 172.28.68.212/32 8447 172.28.68.213/32 8447 192.0.2.0/24 25418 192.168.1.0/25 29449 192.168.1.128/25 29449 192.168.2.0/24 34245 192.168.10.0/24 34245 192.168.41.0/24 29449 192.168.41.17/32 29449 192.168.41.18/32 29449 192.168.42.0/29 29449 192.168.95.48/28 8447 192.168.95.64/28 8447 192.168.107.0/24 34245 192.168.108.0/24 34245 192.168.109.0/24 34245 192.168.117.0/24 34245 192.168.118.0/24 34245 192.168.119.0/24 34245 o List of hot-spots during the week. Prefix Origin AS Number of updates 194.110.73.0/24 30850 959858 62.24.238.0/24 13285 518208 194.88.240.0/23 2128 476040 193.242.111.0/24 2128 475996 200.123.224.0/24 27685 462200 200.123.225.0/24 27685 462195 199.6.10.0/24 33078 300687 221.135.22.0/24 9583 279157 12.27.90.0/24 14906 199480 12.27.88.0/24 14906 194152 Total number of RIS BGP peering sessions: 582