RIS Statistics Report (20070326-20070402) This report was generated at Mon Apr 2 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 54646 53449 47617 10642 48398 46234 46163 52921 47735 46184 53062 47270 47008 52831 46381 ARIN 81046 79932 78807 10875 80136 79382 80089 79733 79364 79119 79121 79200 79400 80043 79433 LACNIC 15960 12708 12675 4345 12734 12765 12767 12746 12712 12683 12682 12670 12717 12773 15834 RIPE NCC 52154 47097 44212 13426 48330 43315 44179 42751 50044 43749 46594 45017 44624 43181 43654 AfriNIC 334 329 334 174 334 334 334 334 334 334 334 334 334 334 334 Old 40450 39614 38167 5784 39319 38820 39072 39007 38353 37712 38193 38086 38791 38998 37917 IANA 152 90 91 16 90 93 73 90 74 87 91 74 118 91 73 RFC1918 39 1 0 0 27 0 0 0 4 0 24 1 7 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 244781 233220 221903 45262 229368 220943 222677 227582 228620 219868 230101 222652 222999 228251 223626 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 12467 12445 12369 3012 12448 12408 12428 12356 12357 12326 12364 12355 12391 12433 12334 APNIC 2900 2893 2866 790 2891 2870 2867 2867 2872 2864 2873 2876 2855 2886 2850 RIPE NCC 9485 9434 9442 2912 9458 9412 9427 9378 9449 9409 9418 9453 9444 9411 9397 LACNIC 298 298 291 118 297 294 295 295 291 290 291 291 296 296 288 AFRINIC 46 46 46 16 46 46 46 46 46 46 46 46 46 46 46 IANA 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 Private 93 67 47 2 57 28 54 34 48 16 45 51 38 40 24 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 25293 25187 25065 6851 25201 25062 25121 24980 25067 24955 25041 25076 25074 25116 24943 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3647 4051 4204 2265 3988 5984 4857 7097 4679 5876 4512 4482 4668 4571 5623 APNIC 761 816 904 557 868 1097 997 1367 973 1167 923 962 980 910 1195 RIPE NCC 2673 3189 3090 2011 2960 3887 3409 5228 3245 4042 3604 3072 3306 3719 4243 LACNIC 123 136 135 89 135 157 145 176 146 161 138 144 143 142 146 AFRINIC 26 26 28 14 27 29 28 29 28 29 28 28 28 28 29 IANA 1 2 2 0 2 2 2 2 2 2 2 2 2 2 2 Private 64 41 33 1 35 17 34 28 36 11 33 37 24 32 16 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7295 8261 8396 4937 8015 11174 9473 13928 9109 11289 9240 8727 9151 9404 11255 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8820 8394 8165 747 8460 6424 7571 5259 7678 6450 7852 7873 7723 7862 6711 APNIC 2139 2077 1962 233 2023 1773 1870 1500 1899 1697 1950 1914 1875 1976 1655 RIPE NCC 6812 6245 6352 901 6498 5525 6018 4150 6204 5367 5814 6381 6138 5692 5154 LACNIC 175 162 156 29 162 137 150 119 145 129 153 147 153 154 142 AFRINIC 20 20 18 2 19 17 18 17 18 17 18 18 18 18 17 IANA 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 Private 29 26 14 1 22 11 20 6 12 5 12 14 14 8 8 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17998 16926 16669 1914 17186 13888 15648 11052 15958 13666 15801 16349 15923 15712 13688 IANA : AS65535 AS47202 Number of 4-byte ASes: 3. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 21012 21080 20991 5301 21062 21188 21112 21362 21103 21163 21085 21081 21130 21149 21202 Transit 4163 3990 3945 579 4022 3772 3902 3519 3849 3674 3846 3870 3834 3858 3631 Transit-only 138 132 134 975 129 111 120 102 121 122 120 131 120 117 117 Total 25313 25202 25070 6855 25213 25071 25134 24983 25073 24959 25051 25082 25084 25124 24950 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.17 6.31 5.77 5.18 6.05 5.81 5.87 5.65 6.34 5.56 5.70 6.09 6.75 5.64 6.81 Std 2.60 2.61 2.55 2.22 2.62 2.43 2.47 2.39 2.81 2.34 2.56 2.64 2.46 2.72 2.39 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 3741 10.5.42.0/24 29076 10.20.90.0/24 23352 10.168.10.0/24 16095 10.221.0.0/16 8402 10.245.1.136/30 8642 10.245.7.188/30 8642 10.250.48.0/25 8642 10.250.48.128/25 8642 10.250.49.0/25 8642 10.250.49.128/25 8642 10.250.50.0/25 8642 10.250.50.128/25 8642 10.250.51.0/25 8642 10.250.51.128/25 8642 10.250.52.0/25 8642 10.250.52.128/25 8642 10.250.53.0/25 8642 10.250.53.128/25 8642 10.250.54.0/25 8642 10.250.54.128/25 8642 10.250.55.0/25 8642 10.250.55.128/25 8642 10.250.250.0/24 23352 10.255.24.0/25 8642 10.255.24.128/25 8642 172.16.63.28/30 8359 172.21.0.0/16 16095 172.21.240.207/32 8642 172.21.240.208/32 8642 172.21.244.8/32 8642 172.26.202.232/32 8434 172.31.254.0/23 2055 192.0.2.0/24 2854 192.168.0.0/24 29076 192.168.10.0/24 29076 192.168.17.8/30 8402 192.168.17.56/30 8402 o List of hot-spots during the week. Prefix Origin AS Number of updates 62.204.228.0/23 34040 599240 62.24.238.0/24 13285 425052 80.243.64.0/20 21332 310335 12.170.126.0/24 33188 217643 81.213.47.0/24 9121 209427 202.144.0.0/24 9583 206904 64.201.12.0/24 33188 195023 81.212.197.0/24 9121 186757 194.26.22.0/23 15536 183564 221.135.216.0/24 9583 177032 Total number of RIS BGP peering sessions: 579