RIS Statistics Report (20050509-20050516) This report was generated at Mon May 16 00:15:01 UTC 2005. 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 rrc14 APNIC 31669 31623 30266 173 30731 30253 29786 0 27555 29700 30084 0 0 ARIN 63249 63062 61934 660 62710 62479 59102 0 47446 61708 61936 0 0 LACNIC 8091 8087 8045 815 8065 8088 7868 0 6396 8047 8047 0 0 RIPE NCC 27466 26930 26287 6274 27000 26336 24445 0 19593 24668 26098 0 0 OLD 34221 33930 32249 1276 33301 33168 31368 0 22590 31944 32229 0 0 IANA 5161 5078 5012 685 5134 4976 4884 0 3995 4879 4978 0 1 RFC1918 24 22 16 15 16 1 0 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 169881 168732 163809 9898 166957 165301 157453 0 127575 160946 163372 0 1 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 rrc14 ARIN 10848 10836 10744 378 10801 10804 10337 0 8759 10718 10707 0 0 APNIC 2234 2228 2221 22 2230 2219 2173 0 2124 2203 2203 0 0 RIPE NCC 6631 6611 6609 2341 6620 6603 6142 0 5458 6311 6593 0 0 LACNIC 120 120 116 12 118 119 115 0 101 115 114 0 0 IANA 127 125 125 19 126 124 120 0 113 124 124 0 0 Private 45 40 21 3 28 29 26 0 24 13 18 0 0 Others 1 1 1 0 1 1 1 0 1 1 1 0 0 Total 20006 19961 19837 2775 19924 19899 18914 0 16580 19485 19760 0 0 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 3147 3422 4034 270 3503 4824 4193 0 3845 4796 5842 0 0 APNIC 623 675 864 18 699 860 863 0 928 965 1080 0 0 RIPE NCC 1832 2245 2331 1460 2071 2835 2520 0 2182 2758 3443 0 0 LACNIC 53 56 58 11 53 68 60 0 56 60 64 0 0 IANA 57 61 60 15 57 71 61 0 58 68 74 0 0 Private 33 29 11 0 17 19 15 0 14 7 11 0 0 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 5745 6488 7358 1774 6400 8677 7712 0 7083 8654 10514 0 0 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 7701 7414 6710 108 7298 5980 6144 0 4914 5922 4865 0 0 APNIC 1611 1553 1357 4 1531 1359 1310 0 1196 1238 1123 0 0 RIPE NCC 4799 4366 4278 881 4549 3768 3622 0 3276 3553 3150 0 0 LACNIC 67 64 58 1 65 51 55 0 45 55 50 0 0 IANA 70 64 65 4 69 53 59 0 55 56 50 0 0 Private 12 11 10 3 11 10 11 0 10 6 7 0 0 Others 1 1 1 0 1 1 1 0 1 1 1 0 0 Total 14261 13473 12479 1001 13524 11222 11202 0 9497 10831 9246 0 0 IANA : AS34821 AS35934 AS35917 AS35848 AS35851 AS34936 AS34860 AS35941 AS35908 AS34871 AS34828 AS35875 AS35938 AS35844 AS34818 AS35910 AS35945 AS34889 AS35894 AS35964 AS34883 AS34953 AS35942 AS34904 AS35866 AS35905 AS34884 AS34891 AS35880 AS35871 AS34848 AS35858 AS35991 AS35891 AS35953 AS34825 AS34837 AS35988 AS35909 AS35843 AS34876 AS35840 AS35862 AS34935 AS35916 AS34885 AS35937 AS35920 AS35972 AS34910 AS35958 AS34863 AS35881 AS35890 AS35897 AS34845 AS34858 AS34898 AS35933 AS35954 AS35943 AS35850 AS34826 AS35865 AS35947 AS34879 AS35993 AS35951 AS35987 AS34942 AS34931 AS35936 AS35921 AS35869 AS34866 AS35919 AS35915 AS35857 AS34897 AS34982 AS34918 AS35887 AS35873 AS34874 AS34857 AS34844 AS34839 AS34862 AS34955 AS34827 AS34902 AS35932 AS35903 AS35882 AS35895 AS35966 AS35911 AS35935 AS35868 AS34820 AS34835 AS35940 AS35849 AS34928 AS35970 AS35900 AS35963 AS35939 AS35845 AS35861 AS34888 AS34819 AS35918 AS35983 AS35892 AS34908 AS34916 AS34847 AS35967 AS34856 AS35852 AS35899 AS3493! 3 AS35870 AS35994 AS64000 AS35864 Others: AS65535 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.64.49.0/24 2706 778555 202.64.40.0/24 2706 641068 207.168.184.0/24 32832 409541 12.144.41.0/24 16705 288342 63.101.83.0/24 16705 288228 199.181.158.0/23 4595 250302 81.212.149.0/24 9121 223722 204.201.21.0/24 20096 152304 208.136.255.0/24 29786 99589 206.98.81.0/24 29786 98642 Total number of RIS BGP peering sessions: 496