RIS Statistics Report (20070423-20070430) This report was generated at Mon Apr 30 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 49056 47301 47753 12052 48229 35330 46227 27640 47758 46318 47779 46350 47239 42908 38356 ARIN 80866 78619 78054 14903 78701 54631 78757 36978 78210 78400 79391 76343 78808 76544 72530 LACNIC 14104 12894 12998 4105 13064 10628 13075 10526 13016 13015 13015 12875 13061 13008 12105 RIPE NCC 47936 44281 44277 10242 45474 37850 43876 28715 44996 44301 43788 40923 44891 42822 37649 AfriNIC 367 360 367 158 367 308 367 255 367 367 367 364 367 367 288 Old 40586 39917 38105 7944 39111 32726 39398 18789 38417 37972 38859 37378 39117 37943 36389 IANA 208 196 200 51 199 192 199 147 199 205 200 193 199 197 190 RFC1918 48 0 0 0 21 0 0 0 2 2 21 0 22 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 233171 223568 221754 49455 225166 171665 221899 123050 222965 220580 223420 214426 223704 213789 197507 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 12535 12510 12433 3672 12493 10544 11043 8011 12421 12404 12435 12210 12461 12244 11892 APNIC 2920 2914 2886 969 2907 2673 2638 1874 2895 2882 2887 2867 2888 2595 2738 RIPE NCC 9641 9595 9608 3067 9611 9186 7985 7097 9597 9572 9582 8849 9613 9564 8701 LACNIC 303 302 297 124 302 266 284 253 296 295 297 297 302 296 265 AFRINIC 46 46 46 17 46 46 45 39 46 46 46 45 46 46 45 IANA 2 2 2 0 2 1 2 0 2 1 2 2 0 2 0 Private 79 60 47 3 61 43 54 23 46 19 30 48 47 24 36 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 25528 25430 25321 7852 25423 22760 22052 17298 25304 25220 25281 24319 25358 24772 23678 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3691 4265 4255 2781 4169 5577 5520 4064 4708 5614 5084 4696 4732 5695 5815 APNIC 801 932 949 684 909 1143 1057 776 1020 1171 1011 1060 1023 926 1161 RIPE NCC 2893 3532 3366 2137 3191 4319 3131 3452 3748 4146 4061 3419 3473 4096 4189 LACNIC 125 140 138 98 134 149 155 150 154 160 150 146 153 150 140 AFRINIC 25 26 26 15 26 27 26 25 26 27 27 26 27 27 28 IANA 1 1 2 0 2 1 2 0 2 1 2 2 0 2 0 Private 47 30 34 1 37 21 28 10 35 12 21 37 24 17 14 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7583 8926 8770 5716 8468 11237 9919 8477 9693 11131 10356 9386 9432 10913 11347 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8844 8245 8178 891 8324 4967 5523 3947 7713 6790 7351 7514 7729 6549 6077 APNIC 2119 1982 1937 285 1998 1530 1581 1098 1875 1711 1876 1807 1865 1669 1577 RIPE NCC 6748 6063 6242 930 6420 4867 4854 3645 5849 5426 5521 5430 6140 5468 4512 LACNIC 178 162 159 26 168 117 129 103 142 135 147 151 149 146 125 AFRINIC 21 20 20 2 20 19 19 14 20 19 19 19 19 19 17 IANA 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 32 30 13 2 24 22 26 13 11 7 9 11 23 7 22 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17945 16504 16551 2136 16955 11523 12133 8821 15611 14089 14925 14933 15926 13859 12331 IANA : AS65535 AS6.3 Number of 4-byte ASes: 6. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 21239 21345 21241 6146 21267 19051 18258 14121 21326 21373 21334 20343 21368 20810 20039 Transit 4153 3953 3947 717 4018 3505 3413 2550 3849 3717 3816 3747 3866 3789 3388 Transit-only 154 149 142 993 151 213 394 635 138 138 142 240 135 183 259 Total 25546 25447 25330 7856 25436 22769 22065 17306 25313 25228 25292 24330 25369 24782 23686 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.27 6.36 5.89 5.21 6.16 6.06 6.19 6.03 6.38 5.57 5.93 6.34 6.85 5.85 6.91 Std 2.60 2.64 2.51 2.03 2.61 2.53 2.55 2.50 2.77 2.35 2.62 2.68 2.50 2.71 2.36 o List of martians appearing throughout the week. Prefix Origin AS 10.3.2.0/24 8402 10.11.0.0/16 8402 10.13.0.0/16 8402 10.13.4.0/30 3212 10.35.0.0/16 8402 10.38.0.0/16 8402 10.64.12.0/24 8402 10.74.0.0/16 8402 10.75.0.0/16 8402 10.76.0.0/16 8402 10.120.0.0/16 8402 10.121.0.0/16 8402 10.123.0.0/16 8402 10.129.0.0/16 8402 10.138.0.0/16 8402 10.139.0.0/16 8402 10.215.0.0/16 8402 10.221.0.0/16 8402 10.245.1.180/30 8642 10.249.168.0/25 8642 10.249.168.128/25 8642 10.249.169.0/25 8642 10.249.169.128/25 8642 10.249.170.0/25 8642 10.249.170.128/25 8642 10.249.171.0/25 8642 10.249.171.128/25 8642 10.249.172.0/25 8642 10.249.172.128/25 8642 10.249.173.0/25 8642 10.249.173.128/25 8642 10.249.174.0/25 8642 10.249.174.128/25 8642 10.249.175.0/25 8642 10.249.175.128/25 8642 172.17.46.0/24 8968 172.21.240.241/32 8642 172.21.240.242/32 8642 172.26.202.232/32 8434 172.30.84.40/29 8968 192.0.2.0/24 2854 192.168.1.0/24 8402 192.168.17.8/30 8402 192.168.17.56/30 8402 192.168.60.0/24 8402 192.168.99.0/24 8402 192.168.119.0/24 12582 o List of hot-spots during the week. Prefix Origin AS Number of updates 62.24.238.0/24 13285 607689 80.243.64.0/20 21332 470016 81.213.47.0/24 9121 405067 81.212.197.0/24 9121 391468 12.170.126.0/24 33188 386426 64.201.12.0/24 33188 376993 12.168.177.0/24 11725 218122 193.242.111.0/24 2128 207389 194.88.240.0/23 2128 207329 192.96.14.0/24 16637 187400 Total number of RIS BGP peering sessions: 578