RIS Statistics Report (20050411-20050418) This report was generated at Mon Apr 18 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 31345 31029 29856 0 30302 29879 29621 0 27885 29377 29589 0 30303 ARIN 63541 62553 61868 0 63220 62436 61123 0 59029 61575 61791 0 62535 LACNIC 8317 7273 7248 0 8283 7041 7196 0 7207 7230 7231 0 7247 RIPE NCC 28774 26711 26491 0 28416 26009 23277 0 23933 23271 25701 0 25692 OLD 34386 32955 32038 0 33795 32772 31243 0 30609 31410 31905 0 32635 IANA 5461 4566 4521 0 5428 4360 4249 0 4156 4239 4354 0 4415 RFC1918 14 0 3 0 9 0 0 0 1 0 0 0 2 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 171838 165087 162025 0 169453 162497 156709 0 152820 157102 160571 0 162829 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 10828 10775 10706 330 10774 10773 10622 0 10676 10648 10658 0 10765 APNIC 2215 2201 2181 13 2209 2191 2185 0 2170 2174 2160 0 2192 RIPE NCC 6563 6542 6192 2245 6550 6532 5886 0 5995 5980 6521 0 6531 LACNIC 115 115 111 8 113 115 115 0 111 111 111 0 114 IANA 29 27 28 4 27 27 28 0 29 27 26 0 26 Private 62 32 20 3 34 22 18 0 27 12 16 0 32 Others 1 1 1 0 1 1 1 0 1 0 0 0 1 Total 19813 19693 19239 2603 19708 19661 18855 0 19009 18952 19492 0 19661 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 3171 3721 4407 232 3466 4892 4642 0 4767 5796 6552 0 5542 APNIC 629 728 892 11 698 933 904 0 907 1095 1227 0 875 RIPE NCC 1813 2392 2437 1361 1996 2966 2299 0 2458 2766 3553 0 3079 LACNIC 46 50 49 8 46 59 52 0 54 58 64 0 61 IANA 20 20 22 2 19 22 21 0 23 21 21 0 20 Private 46 22 11 1 23 15 11 0 18 8 11 0 22 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 5725 6933 7818 1615 6248 8887 7929 0 8227 9744 11428 0 9599 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 7657 7054 6299 98 7308 5881 5980 0 5909 4852 4106 0 5223 APNIC 1586 1473 1289 2 1511 1258 1281 0 1263 1079 933 0 1317 RIPE NCC 4750 4150 3755 884 4554 3566 3587 0 3537 3214 2968 0 3452 LACNIC 69 65 62 0 67 56 63 0 57 53 47 0 53 IANA 9 7 6 2 8 5 7 0 6 6 5 0 6 Private 16 10 9 2 11 7 7 0 9 4 5 0 10 Others 1 1 1 0 1 1 1 0 1 0 0 0 1 Total 14088 12760 11421 988 13460 10774 10926 0 10782 9208 8064 0 10062 IANA : AS34821 AS35934 AS35908 AS35875 AS34818 AS35910 AS35894 AS35866 AS35871 AS34825 AS35843 AS35916 AS35920 AS35890 AS35850 AS35857 AS35873 AS34827 AS35903 AS35882 AS35895 AS35868 AS35884 AS35849 AS34819 AS35892 AS35899 AS64000 AS35864 Others: AS65535 o List of hot-spots during the week. Prefix Origin AS Number of updates 81.212.149.0/24 9121 431741 202.64.49.0/24 2706 390269 202.64.40.0/24 2706 366715 207.168.184.0/24 32832 330394 199.181.158.0/23 4595 180162 216.243.234.0/23 10970 173762 67.151.119.0/24 33486 106230 202.64.111.0/24 2706 76284 204.201.21.0/24 20096 75194 194.190.8.0/24 2878 63068 Total number of RIS BGP peering sessions: 487