RIS Statistics Report (20060227-20060306) This report was generated at Mon Mar 6 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 36557 36414 35282 0 35226 33349 34235 12989 28894 24039 21114 34565 34330 21656 ARIN 69299 68546 67533 178 67802 65299 67297 14660 60009 36991 31028 67596 67561 25788 LACNIC 8507 8494 8422 1158 8457 8008 8450 3680 8372 5247 4578 8432 8458 4148 RIPE NCC 32286 28892 29567 872 31405 28802 28621 13434 24589 21285 20859 29860 29548 16725 OLD 36690 36333 35099 333 36076 35678 35454 9227 33596 20680 15848 35327 35908 16951 IANA 12625 12138 11879 112 12219 11855 11759 5096 11468 8373 8315 11941 11856 6680 RFC1918 11 3 1 0 1 0 6 0 0 0 0 0 0 0 AFRINIC 42 42 42 25 42 42 42 6 41 30 12 42 42 4 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 196017 190862 187825 2678 191228 183033 185864 59092 166969 116645 101754 187763 187703 91952 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 11567 11493 11454 169 11512 11388 11439 4055 11076 7568 6426 11457 11479 6188 APNIC 2484 2456 2470 0 2477 2420 2444 1288 2369 2076 1894 2445 2430 1943 RIPE NCC 7782 7743 7763 215 7758 7635 7381 4852 6882 6398 6496 7760 7749 5608 LACNIC 191 191 186 24 188 186 188 111 182 131 131 186 188 129 AFRINIC 8 8 8 0 8 8 8 6 7 6 6 8 8 6 IANA 1 1 0 0 0 0 0 0 0 0 0 0 0 0 Private 39 22 17 2 24 9 17 6 7 6 13 17 11 11 Others 1 1 1 0 1 1 1 0 0 0 1 1 1 0 Total 22073 21915 21899 410 21968 21647 21478 10318 20523 16185 14967 21874 21866 13885 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 3529 4072 4702 96 4437 5155 5360 2591 6397 4846 2874 4762 5247 3999 APNIC 703 787 871 0 855 966 975 695 1315 1239 746 1008 952 1094 RIPE NCC 2264 2810 2807 172 2632 3278 3034 3013 3591 3688 2712 3046 3078 3323 LACNIC 79 87 88 15 85 101 101 79 113 86 64 88 100 86 AFRINIC 5 5 5 0 5 5 5 5 4 4 4 5 5 5 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 29 15 12 2 18 6 11 5 6 4 9 12 6 10 Others 1 1 1 0 1 1 1 0 0 0 1 1 1 0 Total 6610 7777 8486 285 8033 9512 9487 6388 11426 9867 6410 8922 9389 8517 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 8038 7421 6752 73 7075 6233 6079 1464 4679 2722 3552 6695 6232 2189 APNIC 1781 1669 1599 0 1622 1454 1469 593 1054 837 1148 1437 1478 849 RIPE NCC 5518 4933 4956 43 5126 4357 4347 1839 3291 2710 3784 4714 4671 2285 LACNIC 112 104 98 9 103 85 87 32 69 45 67 98 88 43 AFRINIC 3 3 3 0 3 3 3 1 3 2 2 3 3 1 IANA 1 1 0 0 0 0 0 0 0 0 0 0 0 0 Private 10 7 5 0 6 3 6 1 1 2 4 5 5 1 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 15463 14138 13413 125 13935 12135 11991 3930 9097 6318 8557 12952 12477 5368 IANA : AS46516 Others: AS46516 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Leaf 18295 18398 18368 325 18381 18229 18018 8087 17529 13452 11925 18381 18448 11289 Transit 3660 3416 3425 68 3483 3317 3321 1616 2810 2403 2620 3385 3328 2090 Transit-only 118 101 106 17 104 101 139 615 184 330 422 108 90 506 Total 22073 21915 21899 410 21968 21647 21478 10318 20523 16185 14967 21874 21866 13885 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Avg 6.24 5.95 5.84 4.98 6.15 5.85 5.92 5.28 4.97 5.14 6.37 6.24 7.62 4.97 Std 2.63 2.48 2.51 3.22 2.65 2.40 2.62 2.08 1.79 1.96 2.75 2.62 2.67 2.06 o List of martians appearing throughout the week. Prefix Origin AS 10.11.94.0/24 25232 10.20.10.20/32 5381 10.20.10.21/32 5381 10.20.10.22/32 5381 10.20.30.0/24 32767 10.255.230.3/32 32767 10.255.230.4/32 32767 172.28.34.228/32 32767 172.28.128.4/30 32767 172.28.128.12/30 32767 192.0.2.0/24 2854 192.168.0.0/24 8371 o List of hot-spots during the week. Prefix Origin AS Number of updates 61.4.0.0/19 9899 456483 219.64.226.0/23 4755 325857 194.8.59.0/24 30813 322038 62.244.214.0/24 15924 236005 62.244.215.0/24 15924 227185 195.8.99.0/24 34409 222366 219.64.224.0/21 4755 146014 62.24.238.0/24 13285 142686 199.181.158.0/23 4595 117708 193.164.226.0/23 15414 109864 Total number of RIS BGP peering sessions: 565