RIS Statistics Report (20040823-20040830) This report was generated at Mon Aug 30 00:15:01 UTC 2004. 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 rrc08 rrc10 rrc11 rrc12 APNIC 27626 27560 26169 21046 26634 26096 26271 26897 26233 16340 25745 13134 25521 ARIN 68781 68477 64462 46955 67988 59764 64522 65032 64393 34995 59078 20330 62959 LACNIC 7261 6234 6183 5022 7220 6205 6205 6205 6183 3226 6183 2915 6160 RIPE NCC 27276 24468 25645 15074 25111 23639 22010 23327 23824 11064 23086 12445 22169 OLD 32732 32136 30592 21603 32053 30498 30646 31253 30652 18794 29533 10914 29525 IANA 2023 1186 1235 714 1942 1102 1054 1062 1159 476 1033 566 1057 RFC1918 6 0 3 0 3 0 0 0 0 2 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 165705 160061 154289 110414 160951 147304 150708 153776 152444 84897 144658 60304 147391 AS number distributions wrt RIR and single-homed/multi-homed. o ASes per RIR region RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 rrc12 ARIN 10210 10196 10066 95 10157 10148 10104 10084 10057 7244 5240 4853 9938 APNIC 2094 2094 2067 0 2088 2074 2076 2065 2065 1551 1392 1286 2056 RIPE NCC 5809 5787 5783 226 5796 5773 5397 5751 5773 3332 5597 3866 5511 LACNIC 64 64 61 7 63 64 64 64 61 42 41 38 61 IANA 79 79 79 1 79 76 79 76 79 47 46 61 79 Private 34 30 25 2 29 21 26 20 24 12 2 17 25 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 18290 18250 18081 331 18212 18156 17746 18060 18059 12228 12318 10121 17670 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 rrc12 ARIN 2931 3072 4446 59 3283 4134 4121 6039 4131 5299 3408 1786 4106 APNIC 540 578 751 0 625 834 730 1122 795 973 751 535 758 RIPE NCC 1638 1872 2272 180 1824 2440 2154 3384 2365 2239 3099 1664 2158 LACNIC 21 26 32 6 29 31 30 41 28 34 25 18 30 IANA 34 35 38 0 35 40 38 48 38 37 33 35 37 Private 25 26 22 1 23 20 19 18 21 12 0 16 20 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 5189 5609 7561 246 5819 7499 7092 10652 7378 8594 7316 4054 7109 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 rrc12 ARIN 7279 7124 5620 36 6874 6014 5983 4045 5926 1945 1832 3067 5832 APNIC 1554 1516 1316 0 1463 1240 1346 943 1270 578 641 751 1298 RIPE NCC 4171 3915 3511 46 3972 3333 3243 2367 3408 1093 2498 2202 3353 LACNIC 43 38 29 1 34 33 34 23 33 8 16 20 31 IANA 45 44 41 1 44 36 41 28 41 10 13 26 42 Private 9 4 3 1 6 1 7 2 3 0 2 1 5 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 13101 12641 10520 85 12393 10657 10654 7408 10681 3634 5002 6067 10561 IANA : AS32854 AS32837 AS33801 AS32772 AS33798 AS32869 AS32841 AS32802 AS32822 AS32888 AS33855 AS33847 AS32788 AS32938 AS32809 AS32864 AS32845 AS33843 AS33802 AS32908 AS32784 AS33799 AS32889 AS32877 AS33826 AS32886 AS32928 AS32952 AS33815 AS33874 AS32890 AS33811 AS32846 AS32867 AS32853 AS32882 AS32873 AS32794 AS32817 AS32773 AS32836 AS32917 AS32800 AS32838 AS32777 AS33841 AS33822 AS32797 AS33803 AS32924 AS32793 AS32803 AS33835 AS32816 AS52947 AS32826 AS33812 AS32796 AS33852 AS33823 AS32827 AS32906 AS32896 AS32834 AS32821 AS32812 AS32786 AS33838 AS32778 AS32871 AS32861 AS32787 AS32775 AS32805 AS32779 AS32851 AS32899 AS32782 AS32839 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 rrc12 Leaf 15077 15131 15120 255 15105 15233 14753 15410 15177 10472 9970 7850 14730 Transit 3100 3007 2853 37 2994 2821 2839 2555 2776 1554 2043 1700 2779 Transit-only 113 112 108 39 113 102 154 95 106 202 305 571 161 Total 18290 18250 18081 331 18212 18156 17746 18060 18059 12228 12318 10121 17670 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 rrc12 Avg 6.23 5.85 5.95 4.20 6.38 5.86 6.44 6.00 6.43 4.98 6.48 6.37 6.37 Std 2.90 2.53 2.87 2.86 3.08 2.46 2.99 2.24 2.58 2.26 2.84 2.51 2.96 o List of martians appearing throughout the week. Prefix Origin AS 172.16.0.0/12 297 192.0.2.0/24 297 192.168.0.0/16 297 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.191.0/24 5417 o List of hot-spots during the week. Prefix Origin AS Number of updates 209.182.81.0/24 19071 408985 193.73.62.0/24 6730 378605 209.114.254.0/24 14359 290882 139.91.40.0/24 8522 144344 139.91.252.0/24 8522 130637 195.239.204.0/24 3216 129735 195.218.176.0/24 3216 129029 207.239.123.0/24 13391 123895 195.155.175.0/24 28869 84477 207.79.177.0/24 705 74323 Total number of RIS BGP peering sessions: 428