RIS Statistics Report (20080128-20080204) This report was generated at Mon Feb 4 00:15:01 CET 2008. 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 60522 55291 453 53378 58339 54146 54287 54473 53816 53305 54596 0 53728 54643 53918 ARIN 89660 86112 795 85480 84697 85736 86518 85536 85314 86629 85218 0 85212 88021 88987 LACNIC 20125 16930 210 16805 16679 16872 16783 16880 16869 16778 16773 0 16869 16891 20121 RIPE NCC 64789 51803 855 54977 50324 50732 51116 50142 57829 50790 50908 0 51216 50732 50528 AfriNIC 3202 3171 44 3153 2577 3152 3151 3155 3164 3147 3167 0 3164 3179 3153 Old 42084 39820 646 39276 39370 39441 39487 39415 38810 40202 38938 0 38680 41008 41113 IANA 25 24 0 22 22 3 23 2 23 22 3 0 3 3 2 RFC1918 28 2 0 8 4 0 0 0 8 10 8 0 0 0 6 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 280435 253153 3003 253099 252012 250082 251365 249603 255833 250883 249611 0 248872 254477 257828 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 13100 13073 38 13031 13010 13057 13058 12974 12990 12978 12990 0 12962 13073 13054 APNIC 3150 3143 9 3103 3109 3112 3113 3102 3109 3099 3111 0 3083 3131 3108 RIPE NCC 10926 10901 39 10876 10854 10888 10890 10847 10895 10881 10892 0 10892 10887 10864 LACNIC 419 417 2 415 412 415 416 413 410 409 409 0 409 416 417 AFRINIC 82 82 0 81 80 81 82 81 82 81 81 0 82 81 81 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 81 49 0 31 39 35 39 19 36 24 29 0 30 29 30 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 27759 27665 88 27537 27504 27588 27598 27436 27522 27472 27513 0 27458 27617 27554 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 4122 4550 16 5183 4884 5292 5110 7844 5406 6025 4982 0 5015 4646 5199 APNIC 808 910 4 1108 1015 1084 1042 1476 1052 1125 960 0 1049 943 1194 RIPE NCC 3338 3833 21 4306 4087 4346 3963 6546 4253 4271 4244 0 3960 4094 5042 LACNIC 181 198 1 203 214 208 206 248 206 210 203 0 202 201 209 AFRINIC 34 34 0 37 38 36 36 39 36 36 36 0 35 36 37 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 61 33 0 18 34 23 25 8 28 20 21 0 21 22 18 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8544 9558 42 10855 10272 10989 10382 16161 10981 11687 10446 0 10282 9942 11699 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8978 8523 22 7848 8126 7765 7948 5130 7584 6953 8008 0 7947 8427 7855 APNIC 2342 2233 5 1995 2094 2028 2071 1626 2057 1974 2151 0 2034 2188 1914 RIPE NCC 7588 7068 18 6570 6767 6542 6927 4301 6642 6610 6648 0 6932 6793 5822 LACNIC 238 219 1 212 198 207 210 165 204 199 206 0 207 215 208 AFRINIC 48 48 0 44 42 45 46 42 46 45 45 0 47 45 44 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 20 16 0 13 5 12 14 11 8 4 8 0 9 7 12 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 19215 18107 46 16682 17232 16599 17216 11275 16541 15785 17067 0 17176 17675 15855 Number of 4-byte ASes: 15. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 23122 23195 37 23260 23199 23255 23190 23569 23203 23244 23197 0 23175 23216 23359 Transit 4505 4341 6 4162 4189 4217 4289 3770 4188 4109 4185 0 4164 4286 4082 Transit-only 142 137 45 119 119 121 124 99 133 121 134 0 123 123 115 Total 27769 27673 88 27541 27507 27593 27603 27438 27524 27474 27516 0 27462 27625 27556 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.11 6.29 3.71 5.93 5.18 5.96 6.08 5.54 6.05 6.28 5.83 0.00 6.66 5.48 6.76 Std 2.58 2.68 2.42 2.41 2.16 2.35 2.63 2.34 2.64 2.48 2.59 0.00 2.72 2.54 2.62 o List of martians appearing throughout the week. Prefix Origin AS 10.0.22.0/24 39912 10.1.248.220/30 35706 10.7.7.4/30 3491 10.7.7.5/32 3491 10.10.1.0/24 35706 10.10.10.0/24 35706 10.10.11.0/24 35706 10.10.17.0/24 35706 10.10.18.0/24 35706 10.11.12.0/24 34245 10.11.13.0/24 34245 10.20.0.0/20 39912 10.80.2.0/24 35706 10.80.5.0/24 35706 10.100.2.250/32 8607 10.100.200.2/32 8607 10.128.18.0/23 34245 10.128.22.0/23 34245 10.193.3.0/24 34245 10.193.12.128/28 34245 10.193.14.32/27 34245 10.193.14.64/27 34245 10.193.14.96/27 34245 10.205.255.0/27 34245 10.205.255.32/27 34245 10.216.0.0/23 34245 10.216.2.0/23 34245 10.216.4.0/23 34245 10.216.6.0/23 34245 10.216.8.0/23 34245 10.216.10.0/23 34245 10.218.60.24/30 3491 172.20.20.0/30 3491 172.31.46.0/24 38416 192.0.2.0/24 3300 192.168.251.0/29 3491 192.168.251.2/32 3491 192.168.254.8/30 3491 192.168.254.10/32 3491 Can not connect to DB rrc04 Total number of RIS BGP peering sessions: 616