RIS Statistics Report (20060515-20060522) This report was generated at Mon May 22 00:15:01 UTC 2006. 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 rrc13 rrc14 APNIC 51342 36039 50995 0 36358 35556 35449 18654 26685 28084 32932 0 35608 25594 ARIN 96606 69319 95499 192 68224 67760 68990 29528 52365 47013 55523 0 67607 50871 LACNIC 17927 9869 17815 964 9777 9677 9843 6160 7489 8245 9187 0 9774 9444 RIPE NCC 78216 31584 76679 375 30756 30758 30409 15941 22225 22006 25135 0 30579 21521 OLD 49262 38298 47043 221 36195 35962 37035 16932 28848 25512 30631 0 35838 34822 IANA 39217 13030 38863 49 13052 12992 12863 6863 9990 9848 11046 0 13042 12778 RFC1918 57 7 51 0 1 3 0 0 0 0 0 0 0 0 AFRINIC 111 105 111 35 105 105 105 58 95 97 101 0 104 105 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 332738 198251 327056 1836 194468 192813 194694 94136 147697 140805 164555 0 192552 155135 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 rrc13 rrc14 ARIN 11724 11693 0 137 11645 11665 11682 6266 10027 9591 10404 0 11641 10620 APNIC 2554 2534 0 0 2545 2526 2530 1493 2049 2057 2413 0 2510 2252 RIPE NCC 8119 8072 0 149 8085 8074 8074 5443 6528 6877 7146 0 8091 7189 LACNIC 204 204 0 25 200 202 202 145 172 183 181 0 201 195 AFRINIC 14 14 0 0 14 14 14 13 14 14 13 0 14 14 IANA 2 2 0 0 2 1 2 1 1 1 1 0 1 1 Private 73 31 0 2 25 16 18 5 6 4 11 0 17 45 Others 1 1 0 0 1 1 1 1 1 1 1 0 1 0 Total 22691 22551 0 313 22517 22499 22523 13367 18798 18728 20170 0 22476 20316 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 3373 3729 0 94 4377 5264 4706 4327 6471 6036 5058 0 4790 5911 APNIC 740 823 0 0 841 1012 961 894 1212 1240 1099 0 949 1099 RIPE NCC 2384 2758 0 118 2869 3531 2943 3616 3945 4063 3169 0 3049 4134 LACNIC 79 83 0 21 87 101 94 88 105 115 93 0 93 105 AFRINIC 6 6 0 0 6 6 6 6 7 8 5 0 6 8 IANA 1 1 0 0 2 1 2 1 1 1 1 0 1 1 Private 56 20 0 1 17 9 10 4 4 2 5 0 8 41 Others 0 0 0 0 0 0 0 1 0 1 1 0 0 0 Total 6639 7420 0 234 8199 9924 8722 8937 11745 11466 9431 0 8896 11299 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 8351 7964 0 43 7268 6401 6976 1939 3556 3555 5346 0 6851 4709 APNIC 1814 1711 0 0 1704 1514 1569 599 837 817 1314 0 1561 1153 RIPE NCC 5735 5314 0 31 5216 4543 5131 1827 2583 2814 3977 0 5042 3055 LACNIC 125 121 0 4 113 101 108 57 67 68 88 0 108 90 AFRINIC 8 8 0 0 8 8 8 7 7 6 8 0 8 6 IANA 1 1 0 0 0 0 0 0 0 0 0 0 0 0 Private 17 11 0 1 8 7 8 1 2 2 6 0 9 4 Others 1 1 0 0 1 1 1 0 1 0 0 0 1 0 Total 16052 15131 0 79 14318 12575 13801 4430 7053 7262 10739 0 13580 9017 IANA : AS64500 AS39938 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Leaf 18831 18878 0 240 18840 18991 18889 10921 15926 15842 16856 0 18909 17219 Transit 3735 3557 0 54 3559 3408 3531 1938 2571 2625 3051 0 3464 2847 Transit-only 125 116 0 19 118 100 103 508 301 261 263 0 103 250 Total 22691 22551 0 313 22517 22499 22523 13367 18798 18728 20170 0 22476 20316 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Avg 6.47 6.49 0.00 4.40 6.32 5.99 6.06 5.07 5.04 5.05 6.23 0.00 7.66 4.73 Std 2.88 2.64 0.00 2.76 2.96 2.75 2.97 1.95 2.07 1.99 3.01 0.00 2.87 1.91 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 16215 172.16.0.0/12 16215 172.16.2.32/27 6325 172.16.2.80/28 6325 172.31.31.0/30 6325 192.0.2.0/24 16215 192.168.0.0/16 16215 o List of hot-spots during the week. Prefix Origin AS Number of updates 64.17.224.0/19 19982 319552 64.17.232.0/21 19982 206071 64.17.240.0/21 19982 206069 64.17.224.0/21 19982 206063 81.14.128.0/17 13045 181853 62.24.238.0/24 13285 181065 213.16.39.0/24 8866 165293 12.144.41.0/24 16705 153427 63.101.83.0/24 16705 153248 82.137.73.0/24 8866 149898 Total number of RIS BGP peering sessions: 595