RIS Statistics Report (20070528-20070604) This report was generated at Mon Jun 4 00:15:01 UTC 2007. 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 57485 55855 47314 7641 49223 47155 42604 50788 48341 47258 48256 48468 48115 48644 21982 ARIN 81251 80127 79258 10700 79999 79558 66242 79028 79489 79433 79030 80603 79777 79305 30842 LACNIC 16708 14207 14038 4597 14256 14221 12829 14229 14215 14205 14153 14182 14225 14186 11999 RIPE NCC 48610 46325 45099 8417 47219 44568 38634 44927 45914 45208 45042 47212 45802 45221 27794 AfriNIC 422 414 421 152 420 420 384 420 420 420 422 422 420 422 313 Old 41177 40224 38617 5500 39424 39388 32762 38730 38703 38454 38488 39639 39498 38821 17439 IANA 433 425 417 74 408 396 389 418 408 396 419 417 394 417 242 RFC1918 16 0 6 0 3 0 0 0 0 0 1 1 5 0 2 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 246102 237577 225170 37081 230952 225706 193844 228540 227490 225374 225811 230944 228236 227016 110613 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 12616 12583 12498 3035 12563 12567 10814 12485 12504 12478 12504 12584 12518 12530 7372 APNIC 2945 2938 2898 833 2925 2910 2695 2888 2916 2902 2905 2932 2907 2919 1875 RIPE NCC 9793 9748 9745 2961 9776 9739 8657 9704 9753 9725 9738 9777 9740 9739 6811 LACNIC 318 315 309 125 315 315 298 310 308 309 309 314 313 313 279 AFRINIC 49 49 49 20 49 48 49 48 49 48 49 49 49 49 42 IANA 9 9 9 2 9 9 9 7 9 7 9 9 9 9 9 Private 84 54 39 3 59 33 51 33 49 19 27 53 40 27 29 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 25816 25697 25549 6979 25697 25622 22574 25476 25589 25489 25543 25719 25577 25587 16418 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3775 4883 4926 2290 4212 5063 4931 6363 4694 5513 5081 4355 5156 5168 3479 APNIC 776 1010 984 591 879 1089 1016 1424 979 1202 1020 881 1048 980 738 RIPE NCC 2900 3655 3792 2035 3196 3968 3443 5261 3626 4131 4265 3445 3753 3919 2917 LACNIC 115 135 132 99 125 136 128 172 137 143 142 128 158 139 121 AFRINIC 27 28 28 18 27 28 29 28 28 28 30 28 28 28 24 IANA 7 7 7 2 7 7 7 7 7 7 8 7 8 8 9 Private 55 29 27 2 36 16 31 24 32 10 15 38 22 16 15 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7655 9747 9896 5037 8482 10307 9585 13279 9503 11034 10561 8882 10173 10258 7303 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8841 7700 7572 745 8351 7504 5883 6122 7810 6965 7423 8229 7362 7362 3893 APNIC 2169 1928 1914 242 2046 1821 1679 1464 1937 1700 1885 2051 1859 1939 1137 RIPE NCC 6893 6093 5953 926 6580 5771 5214 4443 6127 5594 5473 6332 5987 5820 3894 LACNIC 203 180 177 26 190 179 170 138 171 166 167 186 155 174 158 AFRINIC 22 21 21 2 22 20 20 20 21 20 19 21 21 21 18 IANA 2 2 2 0 2 2 2 0 2 0 1 2 1 1 0 Private 29 25 12 1 23 17 20 9 17 9 12 15 18 11 14 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 18161 15950 15653 1942 17215 15315 12989 12197 16086 14455 14982 16837 15404 15329 9115 IANA : AS43071 AS43027 AS43041 AS43036 AS43024 AS43054 AS65535 AS43013 AS43021 Number of 4-byte ASes: 8. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 21460 21564 21507 5403 21487 21588 18697 21732 21545 21559 21561 21555 21605 21524 13132 Transit 4226 4010 3902 590 4069 3916 3559 3627 3908 3801 3846 4033 3857 3925 2591 Transit-only 141 134 142 988 149 126 325 124 138 129 138 135 125 142 700 Total 25827 25708 25551 6981 25705 25630 22581 25483 25591 25489 25545 25723 25587 25591 16423 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.39 6.68 6.01 5.17 6.34 6.03 6.32 5.71 6.48 5.65 5.99 6.23 7.12 5.85 7.28 Std 2.72 2.70 2.68 2.30 2.78 2.48 2.70 2.45 2.82 2.43 2.74 2.71 2.62 2.80 2.60 o List of martians appearing throughout the week. Prefix Origin AS 10.10.0.0/20 8402 10.11.12.0/24 34245 10.11.13.0/24 34245 10.13.0.0/16 8402 10.20.90.0/24 23352 10.193.3.0/24 34245 10.193.14.32/27 34245 10.221.0.0/16 8402 10.250.250.0/24 23352 172.28.0.58/32 8751 192.0.2.0/24 2854 192.168.17.8/30 8402 192.168.17.56/30 8402 192.168.109.0/24 34245 192.168.119.0/24 34245 o List of hot-spots during the week. Prefix Origin AS Number of updates 193.22.172.0/24 39682 706135 62.24.238.0/24 13285 596402 80.243.64.0/20 21332 547122 196.41.96.0/24 33766 407682 12.170.126.0/24 33188 390038 202.41.67.0/24 2697 371544 64.201.12.0/24 33188 365940 194.88.240.0/23 2128 262583 193.242.111.0/24 2128 253974 195.47.217.0/24 28981 240858 Total number of RIS BGP peering sessions: 579