RIS Statistics Report (20060320-20060327) This report was generated at Mon Mar 27 00:15:01 UTC 2006. 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 APNIC 36568 35163 35255 0 35792 34844 31232 18299 23463 33941 34722 34931 34639 34725 ARIN 69621 68331 67532 173 68827 68352 41730 39536 38756 64939 67863 68204 68068 66591 LACNIC 9455 9275 9121 867 9328 9280 7710 6199 6466 8689 9125 9221 9192 8771 RIPE NCC 34805 32615 30554 863 33669 30393 25708 17393 20173 28614 29314 30891 30355 28579 OLD 36427 35291 34509 232 35587 35470 24078 19460 19318 33883 34358 35364 35089 34730 IANA 12931 12264 12311 95 12698 12335 9048 7173 8567 11774 12215 12517 12315 11853 RFC1918 56 45 23 0 44 7 1 0 0 0 0 3 0 0 AFRINIC 86 85 86 73 85 85 84 80 84 85 85 85 85 85 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 199949 193069 189391 2303 196030 190766 139591 108140 116827 181925 187682 191216 189743 185334 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 ARIN 11589 11554 11487 134 11531 11546 8846 8411 8569 11395 11474 11519 11499 11506 APNIC 2506 2491 2486 0 2491 2485 2333 1420 1979 2448 2470 2484 2459 2480 RIPE NCC 7866 7811 7844 225 7817 7807 6794 5726 6234 7776 7805 7820 7832 7776 LACNIC 193 193 188 22 189 190 173 161 167 185 190 189 189 189 AFRINIC 9 9 9 0 9 9 9 9 9 9 9 9 9 9 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 64 22 14 2 29 15 12 4 3 4 15 16 16 29 Others 1 1 1 0 1 1 1 0 1 0 1 1 1 1 Total 22228 22081 22029 383 22067 22053 18168 15731 16962 21817 21964 22038 22005 21990 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 3341 4334 3961 82 3976 4784 4243 5853 5675 7257 4903 4528 5131 7161 APNIC 719 948 846 0 825 960 1047 795 1209 1469 966 900 989 1351 RIPE NCC 2233 2798 2547 181 2480 2980 2677 3819 3647 4453 3208 2676 3055 4829 LACNIC 78 88 84 18 83 96 95 114 111 123 98 92 99 124 AFRINIC 5 5 5 0 5 5 5 7 6 5 5 5 5 5 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 54 13 10 1 22 9 7 3 2 2 10 11 9 28 Others 0 1 1 0 1 1 1 0 1 0 0 1 1 1 Total 6430 8187 7454 282 7392 8835 8075 10591 10651 13309 9190 8213 9289 13499 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 8248 7220 7526 52 7555 6762 4603 2558 2894 4138 6571 6991 6368 4345 APNIC 1787 1543 1640 0 1666 1525 1286 625 770 979 1504 1584 1470 1129 RIPE NCC 5633 5013 5297 44 5337 4827 4117 1907 2587 3323 4597 5144 4777 2947 LACNIC 115 105 104 4 106 94 78 47 56 62 92 97 90 65 AFRINIC 4 4 4 0 4 4 4 2 3 4 4 4 4 4 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 10 9 4 1 7 6 5 1 1 2 5 5 7 1 Others 1 0 0 0 0 0 0 0 0 0 1 0 0 0 Total 15798 13894 14575 101 14675 13218 10093 5140 6311 8508 12774 13825 12716 8491 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Leaf 18438 18517 18446 299 18428 18556 14920 13259 14220 18740 18501 18468 18583 18847 Transit 3670 3453 3475 60 3528 3401 2857 2048 2393 2999 3350 3465 3330 3065 Transit-only 120 111 108 24 111 96 391 424 349 78 113 105 92 78 Total 22228 22081 22029 383 22067 22053 18168 15731 16962 21817 21964 22038 22005 21990 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Avg 6.09 6.18 5.58 4.51 5.80 5.77 6.12 4.85 5.01 4.96 5.91 6.09 7.53 4.73 Std 2.58 2.54 2.46 3.01 2.54 2.29 2.67 1.87 2.01 1.93 2.62 2.56 2.56 1.81 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 16215 10.160.0.0/13 2529 10.169.0.0/22 2529 10.169.4.0/24 2529 10.169.5.0/24 2529 10.254.1.254/32 2529 10.254.4.108/30 2529 10.254.4.112/30 2529 10.254.4.116/30 2529 172.16.0.0/30 8342 172.16.2.0/27 6325 172.16.2.32/27 6325 172.16.2.80/28 6325 172.16.32.26/32 2529 172.16.32.101/32 2529 172.16.32.111/32 2529 172.27.56.0/22 2529 172.31.2.0/30 8342 172.31.4.0/30 8342 172.31.31.0/30 6325 192.0.2.0/24 16215 192.168.0.0/16 16215 192.168.1.0/24 5606 192.168.28.0/25 2529 192.168.40.0/24 2529 192.168.43.0/29 2529 192.168.43.8/29 2529 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.141.0/24 2529 192.168.149.0/24 2529 192.168.151.0/24 2529 192.168.152.0/24 2529 192.168.153.0/24 2529 192.168.154.0/24 2529 192.168.155.0/24 2529 192.168.156.0/24 2529 192.168.158.0/24 2529 192.168.159.0/24 2529 192.168.167.25/32 2529 192.168.167.74/32 2529 192.168.167.75/32 2529 192.168.167.105/32 2529 192.168.167.108/32 2529 192.168.167.120/32 2529 192.168.172.31/32 2529 192.168.181.0/24 2529 192.168.189.0/24 2529 192.168.191.0/24 5417 192.168.211.64/26 2529 192.168.214.0/26 2529 192.168.217.0/25 2529 192.168.217.128/25 2529 192.168.255.0/24 2529 192.168.255.192/27 2529 o List of hot-spots during the week. Prefix Origin AS Number of updates 199.181.158.0/23 4595 220082 193.164.226.0/23 15414 201141 62.24.238.0/24 13285 172345 66.151.190.0/24 27382 136273 203.25.73.0/24 4854 132491 142.217.44.0/22 35911 117840 204.201.21.0/24 20096 88924 63.223.54.0/24 19151 74840 206.251.163.0/24 4314 73934 209.140.24.0/24 3043 68249 Total number of RIS BGP peering sessions: 575