RIS Statistics Report (20050404-20050411) This report was generated at Mon Apr 11 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 30605 30205 29650 0 0 29763 29422 30165 28352 29215 22443 0 22550 ARIN 62806 62354 61506 0 0 61699 58356 61976 58741 60874 49628 0 20040 LACNIC 7160 7145 7109 0 0 7117 6837 6956 6511 7070 5899 0 3200 RIPE NCC 26956 26104 25828 0 0 25949 24484 25505 21882 25668 18390 0 13504 OLD 33402 33075 31833 0 0 32630 30895 32375 29227 31657 25015 0 11874 IANA 4550 4516 4457 0 0 4470 4326 4253 4131 4424 3639 0 2400 RFC1918 9 9 0 0 0 7 0 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 165488 163408 160383 0 0 161635 154320 161230 148844 158908 125014 0 73568 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 10790 10770 10684 364 0 10751 10289 10655 10503 10651 9102 0 5355 APNIC 2206 2193 2188 16 0 2193 2181 2177 2085 2170 1650 0 1763 RIPE NCC 6519 6503 6509 2285 0 6499 6210 6460 5727 6496 4912 0 4539 LACNIC 114 114 110 7 0 114 108 110 109 110 103 0 85 IANA 16 15 14 0 0 14 14 10 15 14 13 0 12 Private 51 41 26 5 0 28 29 16 31 18 16 0 26 Others 1 1 1 0 0 1 1 1 1 1 0 0 1 Total 19697 19637 19532 2677 0 19600 18832 19429 18471 19460 15796 0 11781 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 3254 3663 4305 253 0 4377 3903 5815 4788 4936 4751 0 2395 APNIC 647 750 876 13 0 877 790 1218 799 1023 771 0 881 RIPE NCC 1862 2326 2410 1339 0 2608 2334 3882 2272 2633 2263 0 2262 LACNIC 46 49 47 5 0 56 49 68 55 50 56 0 50 IANA 13 13 11 0 0 14 13 10 15 14 12 0 12 Private 31 22 13 2 0 16 16 7 18 10 7 0 17 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 5853 6823 7662 1612 0 7948 7105 11000 7947 8666 7860 0 5617 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 7536 7107 6379 111 0 6374 6386 4840 5715 5715 4351 0 2960 APNIC 1559 1443 1312 3 0 1316 1391 959 1286 1147 879 0 882 RIPE NCC 4657 4177 4099 946 0 3891 3876 2578 3455 3863 2649 0 2277 LACNIC 68 65 63 2 0 58 59 42 54 60 47 0 35 IANA 3 2 3 0 0 0 1 0 0 0 1 0 0 Private 20 19 13 3 0 12 13 9 13 8 9 0 9 Others 1 1 1 0 0 1 1 1 1 1 0 0 1 Total 13844 12814 11870 1065 0 11652 11727 8429 10524 10794 7936 0 6164 IANA : AS35875 AS35894 AS64500 AS35866 AS35871 AS35890 AS35850 AS35857 AS35895 AS35868 AS35884 AS35849 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 280125 202.64.49.0/24 2706 211316 207.168.184.0/24 32832 127701 83.219.160.0/19 34694 113387 202.64.40.0/24 2706 104461 216.243.234.0/23 10970 90258 67.151.119.0/24 33486 76646 199.181.158.0/23 4595 75530 198.76.141.0/24 21617 75047 198.76.142.0/24 21617 64561 Total number of RIS BGP peering sessions: 487