RIS Statistics Report (20031014-20031020) This report was generated at Mon Oct 20 00:15:01 UTC 2003. 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 APNIC 22071 21939 21588 14251 21661 14220 21506 10061 20842 12154 ARIN 56578 56556 55514 28543 56305 31752 55787 14541 54036 22081 LACNIC 5167 5167 5103 3570 5114 3513 5166 2038 4782 2830 RIPE NCC 35319 20272 20225 13071 34982 9690 20101 8514 15035 11156 OLD 29369 29080 27462 14319 28819 16235 28543 8148 25911 11498 IANA 5 4 4 3 4 2 3 2 2 3 RFC1918 0 0 0 0 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 TOTAL 148509 133018 129896 73757 146885 75412 131106 43304 120608 59722 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 ARIN 9452 9426 9348 6152 9398 6760 9396 4099 9221 5342 APNIC 1884 1869 1868 1425 1872 1307 1854 1053 1828 1288 RIPE NCC 4907 4873 4884 3588 4892 3040 4873 2768 3966 3398 LACNIC 34 34 33 28 34 28 34 23 32 25 IANA 1 1 0 0 0 1 0 0 1 0 Private 18 12 12 8 14 3 11 8 2 7 Others 0 0 0 0 0 0 0 0 0 0 Total 16296 16215 16145 11201 16210 11139 16168 7951 15050 10060 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 2912 3354 4016 2926 3520 2924 4138 1700 4214 2392 APNIC 574 623 710 606 651 559 755 443 732 535 RIPE NCC 1416 1742 1728 1493 1846 1213 2058 1093 1606 1390 LACNIC 16 17 16 15 17 17 18 14 16 12 IANA 1 1 0 0 0 1 0 0 1 0 Private 11 7 5 3 7 2 6 3 1 3 Others 0 0 0 0 0 0 0 0 0 0 Total 4930 5744 6475 5043 6041 4716 6975 3253 6570 4332 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 6540 6072 5332 3226 5878 3836 5258 2399 5007 2950 APNIC 1310 1246 1158 819 1221 748 1099 610 1096 753 RIPE NCC 3491 3131 3156 2095 3046 1827 2815 1675 2360 2008 LACNIC 18 17 17 13 17 11 16 9 16 13 IANA 0 0 0 0 0 0 0 0 0 0 Private 7 5 7 5 7 1 5 5 1 4 Others 0 0 0 0 0 0 0 0 0 0 Total 11366 10471 9670 6158 10169 6423 9193 4698 8480 5728 IANA : AS31818 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Leaf 13479 13562 13541 9081 13543 8975 13570 6065 12573 7948 Transit 2712 2554 2504 1672 2569 1692 2503 1271 2266 1612 Transit-only 105 99 100 448 98 472 95 615 211 500 Total 16296 16215 16145 11201 16210 11139 16168 7951 15050 10060 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Avg 6.24 6.07 5.76 5.72 6.37 6.18 5.99 6.48 6.39 5.76 Std 2.75 2.41 2.70 2.38 3.11 2.24 2.41 2.21 2.43 2.49 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 205.151.0.0/19 816 196902 152.214.36.0/22 816 178410 152.214.32.0/22 816 169787 152.214.54.0/24 816 140629 152.214.52.0/24 816 140627 152.214.62.0/24 816 140116 152.211.164.0/23 816 139299 204.150.142.0/24 816 118295 204.150.235.0/24 816 112657 152.214.44.0/24 816 95556 Total number of RIS BGP peering sessions: 310