RIS Statistics Report (20050307-20050314) This report was generated at Mon Mar 14 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 30454 30170 29258 170 29551 29346 29211 29777 29280 28952 24701 29337 14059 ARIN 62642 61987 61613 468 61999 61642 58798 61960 61329 60798 55248 61679 25008 LACNIC 8013 6967 6948 713 7988 6968 6941 6969 6948 6931 6766 6964 3330 RIPE NCC 27574 25643 25644 5309 26607 25290 24193 25198 25462 23316 17980 25492 13871 OLD 34107 32946 32163 905 33663 32899 31886 32799 32245 31515 27986 32517 12537 IANA 4762 3884 3799 558 4747 3867 3716 3814 3808 3141 3159 3826 1958 RFC1918 8 6 1 0 0 6 0 0 0 0 0 0 1 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 167560 161603 159426 8123 164555 160018 154745 160517 159072 154653 135840 159815 70764 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 10718 10688 10615 278 10678 10680 10337 10604 10602 10428 9817 10653 6341 APNIC 2195 2179 2171 20 2180 2172 2172 2164 2155 2111 1809 2176 1446 RIPE NCC 6411 6389 6389 2150 6397 6382 6207 6358 6379 6002 4807 6324 4453 LACNIC 106 106 102 6 105 106 105 105 102 102 101 104 78 IANA 2 2 2 0 2 2 2 2 2 2 2 2 2 Private 59 26 15 4 30 17 20 13 38 14 8 23 20 Others 1 1 1 0 1 1 1 1 1 1 0 1 1 Total 19492 19391 19295 2458 19393 19360 18844 19247 19279 18660 16544 19283 12341 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 3128 3703 4066 181 3367 4495 4341 6197 4056 6000 5311 4493 3187 APNIC 619 760 756 15 673 1006 801 1234 800 1106 905 885 655 RIPE NCC 1798 2437 2458 1254 2072 2894 2355 3720 2366 2711 2265 2305 1954 LACNIC 46 50 47 5 45 56 52 67 47 57 60 48 48 IANA 2 2 2 0 2 2 2 2 2 2 2 2 2 Private 47 20 10 1 20 9 10 9 30 9 4 15 16 Others 0 0 0 0 0 0 1 1 0 0 0 0 1 Total 5640 6972 7339 1456 6179 8462 7562 11230 7301 9885 8547 7748 5863 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 7590 6985 6549 97 7311 6185 5996 4407 6546 4428 4506 6160 3154 APNIC 1576 1419 1415 5 1507 1166 1371 930 1355 1005 904 1291 791 RIPE NCC 4613 3952 3931 896 4325 3488 3852 2638 4013 3291 2542 4019 2499 LACNIC 60 56 55 1 60 50 53 38 55 45 41 56 30 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 12 6 5 3 10 8 10 4 8 5 4 8 4 Others 1 1 1 0 1 1 0 0 1 1 0 1 0 Total 13852 12419 11956 1002 13214 10898 11282 8017 11978 8775 7997 11535 6478 IANA : AS64500 AS40439 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 Leaf 16137 16256 16174 1768 16149 16315 15728 16484 16226 15762 13901 16120 9823 Transit 3234 3020 3010 431 3127 2935 2974 2663 2937 2765 2315 3036 2009 Transit-only 121 115 111 259 117 110 142 100 116 133 328 127 509 Total 19492 19391 19295 2458 19393 19360 18844 19247 19279 18660 16544 19283 12341 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 Avg 6.11 5.99 5.73 5.07 6.22 6.23 5.99 6.03 6.10 5.86 5.98 6.11 6.15 Std 2.57 2.51 2.51 2.54 2.56 2.59 2.61 2.30 2.47 2.42 2.23 2.73 3.07 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.64.159.0/24 2706 422988 202.64.49.0/24 2706 422723 202.64.40.0/24 2706 349279 193.73.62.0/24 6730 266906 216.243.234.0/23 10970 255516 212.124.229.0/24 20995 188385 212.124.230.0/24 20995 186450 212.124.231.0/24 20995 173658 167.94.0.0/16 22413 125576 207.168.184.0/24 32832 118121 Total number of RIS BGP peering sessions: 489