RIS Statistics Report (20040913-20040920) This report was generated at Mon Sep 20 00:15:01 UTC 2004. 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 APNIC 27552 27508 25652 21807 26498 26317 26189 26847 26236 25968 26007 26295 ARIN 60798 60722 58683 27800 60336 60107 59881 60028 59685 59561 59566 59837 LACNIC 7482 6457 6062 3697 7469 6451 6451 6444 6429 6429 6429 6429 RIPE NCC 26018 24708 21689 17262 25410 24042 23231 23636 23442 23809 24018 24623 OLD 33142 32658 29591 14718 32427 31527 31217 31504 30495 30480 30465 31124 IANA 2176 1402 1267 898 2117 1287 1315 1265 1335 1254 1332 1388 RFC1918 1 1 0 0 0 1 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 157169 153456 142944 86182 154257 149732 148284 149724 147622 147501 147817 149696 AS number distributions wrt RIR and single-homed/multi-homed. o ASes per RIR region RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 rrc12 ARIN 10338 10334 10148 259 10290 10288 10265 10235 10206 0 10209 10185 10237 APNIC 2106 2106 2030 28 2101 2085 2087 2080 2074 0 2073 2060 2082 RIPE NCC 5855 5834 5494 2330 5844 5823 5671 5786 5632 0 5820 5807 5841 LACNIC 71 71 65 7 70 69 71 69 66 0 67 65 66 IANA 1 1 1 1 1 1 1 1 1 0 1 0 1 Private 53 43 17 8 40 27 26 19 24 0 18 20 26 Others 1 1 1 1 1 1 1 1 1 0 1 0 1 Total 18425 18390 17756 2634 18347 18294 18122 18191 18004 0 18189 18137 18254 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 rrc12 ARIN 2935 3134 4114 142 3278 4857 4224 5616 4158 0 4684 5483 3667 APNIC 511 574 723 18 593 854 737 1108 771 0 883 1107 666 RIPE NCC 1616 1836 1993 1434 1807 2555 1971 3432 2098 0 2504 2844 1850 LACNIC 32 32 33 6 34 37 40 43 32 0 37 39 34 IANA 1 1 1 1 1 1 1 1 1 0 1 0 1 Private 37 37 12 1 33 23 20 16 20 0 13 16 21 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 5132 5614 6876 1602 5746 8327 6993 10216 7080 0 8122 9489 6239 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 rrc12 ARIN 7403 7200 6034 117 7012 5431 6041 4619 6048 0 5525 4702 6570 APNIC 1595 1532 1307 10 1508 1231 1350 972 1303 0 1190 953 1416 RIPE NCC 4239 3998 3501 896 4037 3268 3700 2354 3534 0 3316 2963 3991 LACNIC 39 39 32 1 36 32 31 26 34 0 30 26 32 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 16 6 5 7 7 4 6 3 4 0 5 4 5 Others 1 1 1 1 1 1 1 1 1 0 1 0 1 Total 13293 12776 10880 1032 12601 9967 11129 7975 10924 0 10067 8648 12015 IANA : AS65535 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Leaf 15201 15272 14805 1952 15232 15381 15104 15546 15087 15285 15376 15199 Transit 3109 3011 2789 492 2996 2813 2884 2551 2802 2794 2671 2944 Transit-only 115 107 162 190 119 100 134 94 115 110 90 111 Total 18425 18390 17756 2634 18347 18294 18122 18191 18004 18189 18137 18254 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Avg 6.25 5.89 5.86 5.34 6.39 6.12 6.18 5.83 6.89 5.90 6.08 6.05 Std 2.80 2.50 2.71 2.86 2.81 2.63 2.73 2.18 3.32 2.47 2.47 2.66 o List of martians appearing throughout the week. There is no martians this week :) o List of hot-spots during the week. Prefix Origin AS Number of updates 209.182.81.0/24 19071 427204 193.73.62.0/24 6730 328694 209.114.254.0/24 14359 260448 139.91.40.0/24 8522 148892 139.91.252.0/24 8522 148892 193.109.43.0/24 21086 115853 213.228.64.0/18 16054 99449 203.143.192.0/19 7543 94598 195.218.176.0/24 3216 81297 195.239.204.0/24 3216 80977 Total number of RIS BGP peering sessions: 434