RIS Statistics Report (20050425-20050502) This report was generated at Mon May 2 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 31344 31060 30232 155 30647 30642 30193 0 30343 8287 30118 0 30739 ARIN 63503 62916 61289 883 62590 62689 58882 0 62219 23478 61949 0 62576 LACNIC 8245 7203 7136 868 8207 7203 7084 0 7184 5131 7168 0 7182 RIPE NCC 32168 26764 24486 6919 31638 26285 22950 0 24334 10528 26015 0 25838 OLD 34372 33373 31504 1056 33429 33058 30528 0 31702 21584 32118 0 32684 IANA 5636 4733 4576 750 5603 4709 4395 0 4607 2743 4696 0 4699 RFC1918 16 9 4 1 8 0 0 0 0 1 0 0 1 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 175284 166058 159227 10632 172122 164586 154032 0 160389 71752 162064 0 163719 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 10834 10662 10660 383 10755 10794 10268 0 10688 9835 10672 0 10774 APNIC 2230 2216 2212 20 2224 2219 2199 0 2199 2007 2184 0 2209 RIPE NCC 6602 6563 6295 2522 6591 6577 5824 0 6043 4978 6562 0 6562 LACNIC 118 116 112 12 114 117 112 0 113 106 113 0 115 IANA 75 71 74 16 74 73 70 0 74 68 71 0 71 Private 58 36 16 3 27 23 13 0 27 11 14 0 28 Others 1 1 1 0 1 1 1 0 1 1 0 0 1 Total 19918 19665 19370 2956 19786 19804 18487 0 19145 17006 19616 0 19760 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 3011 3887 3737 271 3440 4504 4176 0 4188 5079 5571 0 6041 APNIC 593 790 762 14 692 866 851 0 806 973 1123 0 901 RIPE NCC 1831 2370 2380 1507 2064 2657 2330 0 2265 2083 3543 0 3473 LACNIC 52 56 57 11 55 61 59 0 55 58 65 0 71 IANA 29 39 35 13 31 37 39 0 33 38 41 0 48 Private 45 26 7 1 18 14 5 0 18 4 8 0 18 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 5561 7168 6978 1817 6300 8139 7460 0 7365 8235 10351 0 10552 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 7823 6775 6923 112 7315 6290 6092 0 6500 4756 5101 0 4733 APNIC 1637 1426 1450 6 1532 1353 1348 0 1393 1034 1061 0 1308 RIPE NCC 4771 4193 3915 1015 4527 3920 3494 0 3778 2895 3019 0 3089 LACNIC 66 60 55 1 59 56 53 0 58 48 48 0 44 IANA 46 32 39 3 43 36 31 0 41 30 30 0 23 Private 13 10 9 2 9 9 8 0 9 7 6 0 10 Others 1 1 1 0 1 1 1 0 1 1 0 0 1 Total 14357 12497 12392 1139 13486 11665 11027 0 11780 8771 9265 0 9208 IANA : AS34821 AS35934 AS35917 AS35848 AS35851 AS34860 AS35941 AS35908 AS35875 AS35844 AS34818 AS35910 AS34889 AS35894 AS35866 AS34891 AS35880 AS35871 AS34848 AS35858 AS35953 AS34825 AS34837 AS35909 AS35843 AS34876 AS35862 AS35916 AS35937 AS35920 AS35972 AS34910 AS34863 AS35881 AS35890 AS34845 AS35954 AS35943 AS35850 AS34826 AS35865 AS35947 AS35869 AS34866 AS35915 AS35857 AS35873 AS34874 AS34857 AS34862 AS34827 AS34902 AS35903 AS35882 AS35895 AS35868 AS34820 AS34835 AS35884 AS35849 AS34892 AS35900 AS35963 AS35939 AS35861 AS34819 AS35918 AS35892 AS34908 AS34847 AS35967 AS34856 AS35852 AS35899 AS35864 Others: AS65535 o List of hot-spots during the week. Prefix Origin AS Number of updates 81.212.149.0/24 9121 751259 202.64.40.0/24 2706 554849 202.64.49.0/24 2706 535792 207.168.184.0/24 32832 335180 199.181.158.0/23 4595 172770 216.243.234.0/23 10970 164256 208.136.255.0/24 29786 141302 206.98.81.0/24 29786 129817 67.151.119.0/24 33486 88198 204.201.21.0/24 20096 73385 Total number of RIS BGP peering sessions: 491