RIS Statistics Report (20080121-20080128) This report was generated at Mon Jan 28 00:15:01 UTC 2008. 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 rrc15 APNIC 60398 55397 444 53561 58945 54109 54175 54625 53592 53067 54418 0 53541 54687 53914 ARIN 93475 91087 811 90752 86283 90004 90918 90822 89622 90222 89528 0 89513 91192 92222 LACNIC 20232 17037 210 16889 16937 16889 16883 17014 16985 16918 16790 0 16985 16902 20229 RIPE NCC 63879 50564 850 54501 50739 49876 50209 49321 57382 49894 50114 0 50396 49906 49619 AfriNIC 2606 2592 44 2587 2581 2575 2574 2578 2588 2571 2591 0 2588 2581 2576 Old 40451 39661 647 39200 39481 39290 39305 39269 38666 38614 38795 0 38523 39396 39523 IANA 53 24 0 22 51 3 23 2 23 22 4 0 2 4 2 RFC1918 16 2 0 5 6 0 0 0 0 5 0 0 0 0 6 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 281110 256364 3006 257517 255023 252746 254087 253631 258858 251313 252240 0 251548 254668 258091 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 rrc15 ARIN 13063 13036 43 12995 13032 13027 13020 12943 12957 12940 12958 0 12932 13040 13007 APNIC 3132 3124 10 3087 3110 3099 3095 3084 3096 3088 3100 0 3071 3116 3091 RIPE NCC 10907 10879 37 10853 10869 10865 10864 10823 10871 10855 10868 0 10872 10866 10832 LACNIC 414 412 1 411 409 411 411 409 406 405 405 0 406 411 411 AFRINIC 79 79 0 79 78 79 79 78 79 79 78 0 79 78 78 IANA 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 Private 81 44 0 26 42 39 30 20 31 20 24 0 31 24 26 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 27677 27575 91 27452 27541 27521 27500 27358 27441 27388 27434 0 27392 27536 27446 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 4139 4449 19 5816 4611 5403 5388 7835 5345 5624 4941 0 5022 4691 5675 APNIC 831 931 5 1205 946 1155 1085 1563 1094 1194 982 0 1092 990 1275 RIPE NCC 3347 3811 19 4484 3763 4374 4040 6578 4148 4385 4290 0 3925 4154 5112 LACNIC 170 192 1 207 189 202 202 257 197 203 201 0 205 193 198 AFRINIC 33 35 0 39 35 38 36 37 36 39 37 0 36 34 35 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 63 35 0 20 32 31 24 15 23 15 17 0 22 17 21 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8583 9453 44 11771 9576 11203 10775 16285 10843 11460 10468 0 10302 10079 12316 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8924 8587 24 7179 8421 7624 7632 5108 7612 7316 8017 0 7910 8349 7332 APNIC 2301 2193 5 1882 2164 1944 2010 1521 2002 1894 2118 0 1979 2126 1816 RIPE NCC 7560 7068 18 6369 7106 6491 6824 4245 6723 6470 6578 0 6947 6712 5720 LACNIC 244 220 0 204 220 209 209 152 209 202 204 0 201 218 213 AFRINIC 46 44 0 40 43 41 43 41 43 40 41 0 43 44 43 IANA 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 Private 18 9 0 6 10 8 6 5 8 5 7 0 9 7 5 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 19094 18122 47 15681 17965 16318 16725 11073 16598 15928 16966 0 17090 17457 15130 IANA : AS65535 Number of 4-byte ASes: 14. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 23054 23119 42 23244 23115 23206 23133 23488 23115 23191 23128 0 23082 23153 23301 Transit 4485 4327 7 4095 4299 4193 4252 3772 4196 4070 4171 0 4183 4255 4037 Transit-only 144 134 42 115 130 125 118 100 130 127 136 0 129 133 110 Total 27683 27580 91 27454 27544 27524 27503 27360 27441 27388 27435 0 27394 27541 27448 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.09 6.19 3.49 5.79 5.76 5.99 6.04 5.50 6.03 6.19 5.77 0.00 6.58 5.43 6.76 Std 2.57 2.63 2.06 2.31 2.50 2.38 2.62 2.29 2.63 2.42 2.57 0.00 2.74 2.52 2.64 o List of martians appearing throughout the week. Prefix Origin AS 10.0.22.0/24 39912 10.11.12.0/24 34245 10.11.13.0/24 34245 10.20.0.0/20 39912 10.100.2.250/32 8607 10.100.200.2/32 8607 10.128.18.0/23 34245 10.128.22.0/23 34245 10.193.3.0/24 34245 10.193.12.128/28 34245 10.193.14.32/27 34245 10.193.14.64/27 34245 10.193.14.96/27 34245 10.205.255.0/27 34245 10.205.255.32/27 34245 10.216.0.0/23 34245 10.216.2.0/23 34245 10.216.4.0/23 34245 10.216.6.0/23 34245 10.216.8.0/23 34245 10.216.10.0/23 34245 172.16.200.0/24 38398 172.19.66.76/32 3215 172.31.46.0/24 38416 172.31.47.0/24 38398 192.0.2.0/24 5628 o List of hot-spots during the week. Prefix Origin AS Number of updates 64.79.128.0/19 23005 676307 203.101.87.0/24 9498 534919 202.141.0.0/17 2697 515987 80.243.64.0/20 21332 451034 124.7.35.0/24 9583 326976 202.140.63.0/24 17443 280705 203.16.208.0/24 4739 250878 65.126.154.0/24 40474 200529 82.145.209.0/24 29157 150177 82.145.215.0/24 29157 127512 Total number of RIS BGP peering sessions: 615