RIS Statistics Report (20040120-20040126) This report was generated at Mon Jan 26 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 rrc08 rrc10 APNIC 23301 23262 22897 22733 22967 12459 21449 14116 17497 13500 9 ARIN 56115 55610 55087 54119 55625 29449 49533 40570 40696 27292 38 LACNIC 5100 5098 5019 4998 5036 3733 4367 4446 4060 2975 0 RIPE NCC 36695 22859 22200 20032 36352 15066 14311 18396 17881 16265 2680 OLD 29742 29348 28171 27335 28794 18025 23975 22589 21681 14141 239 IANA 29 29 28 26 28 18 20 24 24 25 5 RFC1918 110 0 1 0 0 0 109 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 TOTAL 151092 136206 133403 129243 148802 78750 113764 100141 101839 74198 2971 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 ARIN 9655 9625 9532 9466 9593 6599 9244 8147 8169 6037 45 APNIC 1935 1935 1916 1903 1927 1232 1845 1185 1562 1349 6 RIPE NCC 5135 5126 5123 4803 5126 4286 3723 4496 4299 4154 1123 LACNIC 42 42 39 39 41 32 39 40 36 29 0 IANA 2 2 1 0 1 1 1 1 2 0 0 Private 16 13 11 8 13 5 11 6 10 6 3 Others 0 0 0 0 0 0 0 0 0 0 0 Total 16785 16743 16622 16219 16701 12155 14863 13875 14078 11575 1177 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 3032 3334 4449 5133 3603 3123 3944 4143 3831 2866 27 APNIC 616 666 822 1003 717 587 825 522 690 670 6 RIPE NCC 1539 1859 1942 2280 1702 2168 1328 2309 1708 1750 760 LACNIC 20 22 24 27 22 20 22 25 21 16 0 IANA 2 2 1 0 1 1 1 1 2 0 0 Private 10 8 7 5 8 3 8 4 7 3 1 Others 0 0 0 0 0 0 0 0 0 0 0 Total 5219 5891 7245 8448 6053 5902 6128 7004 6259 5305 794 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 6623 6291 5083 4333 5990 3476 5300 4004 4338 3171 18 APNIC 1319 1269 1094 900 1210 645 1020 663 872 679 0 RIPE NCC 3596 3267 3181 2523 3424 2118 2395 2187 2591 2404 363 LACNIC 22 20 15 12 19 12 17 15 15 13 0 IANA 0 0 0 0 0 0 0 0 0 0 0 Private 6 5 4 3 5 2 3 2 3 3 2 Others 0 0 0 0 0 0 0 0 0 0 0 Total 11566 10852 9377 7771 10648 6253 8735 6871 7819 6270 383 IANA : AS64198 AS50578 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Leaf 13974 14018 14032 13748 14021 9915 12369 11547 11660 9312 907 Transit 2709 2632 2499 2361 2578 1916 2200 2037 2135 1897 189 Transit-only 102 93 91 110 102 324 294 291 283 366 81 Total 16785 16743 16622 16219 16701 12155 14863 13875 14078 11575 1177 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Avg 6.01 5.93 5.67 5.56 6.06 6.17 5.73 6.17 6.16 5.79 6.03 Std 2.34 2.35 2.35 2.30 2.33 2.33 2.33 2.14 2.32 2.38 3.16 o List of martians appearing throughout the week. Prefix Origin AS 172.16.0.0/24 8548 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.150.15.0/24 18237 173436 61.178.0.0/17 4134 154625 61.178.128.0/17 4134 154370 202.100.64.0/20 4134 152107 61.159.80.0/21 4134 135743 69.19.219.0/24 19864 130925 61.134.64.0/20 4134 130567 61.159.64.0/20 4134 128879 82.108.0.0/14 4589 124253 61.134.80.0/20 4134 122806 Total number of RIS BGP peering sessions: 334