RIS Statistics Report (20041213-20041220) This report was generated at Mon Dec 20 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 rrc10 rrc11 rrc12 APNIC 29021 29020 27681 366 27915 18477 20552 27980 27673 21008 27409 27741 ARIN 64885 64851 60654 448 61439 23434 31422 61277 60733 36175 60590 60748 LACNIC 6677 6660 6642 913 6655 4731 4637 6653 6642 5249 6626 6642 RIPE NCC 29089 26835 24902 6228 26440 17589 17752 24529 25129 20036 25282 25282 OLD 38936 38770 31265 879 32728 16120 18245 32004 31429 20857 31278 31559 IANA 3037 2582 2496 382 2638 1639 1894 2437 2528 2177 2431 2558 RFC1918 9 5 1 0 3 3 0 0 0 2 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 171654 168723 153641 9216 157818 81993 94502 154880 154134 105504 153616 154530 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 ARIN 10585 10571 10467 283 10525 5883 6856 10453 10445 7405 10416 10463 APNIC 2150 2146 2116 28 2140 1665 1840 2120 2104 1731 2099 2120 RIPE NCC 6163 6153 6144 2329 6152 4812 5103 6106 6125 5119 6117 6139 LACNIC 88 88 84 10 86 69 69 85 84 67 83 84 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 33 28 18 3 27 15 17 8 18 11 19 18 Others 1 0 1 0 0 0 0 0 0 0 0 0 Total 19020 18986 18830 2653 18930 12444 13885 18772 18776 14333 18734 18824 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 3099 3260 4154 167 3526 2545 2688 6652 4148 3850 5233 4842 APNIC 585 623 766 24 665 632 704 1226 817 790 1045 828 RIPE NCC 1722 2009 2220 1486 1925 1993 1920 3780 2409 2148 3209 2526 LACNIC 42 42 42 10 42 38 38 52 43 38 46 46 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 22 18 12 1 18 7 10 5 11 4 13 12 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 5470 5952 7194 1688 6176 5215 5360 11715 7428 6830 9546 8254 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 7486 7311 6313 116 6999 3338 4168 3801 6297 3555 5183 5621 APNIC 1565 1523 1350 4 1475 1033 1136 894 1287 941 1054 1292 RIPE NCC 4441 4144 3924 843 4227 2819 3183 2326 3716 2971 2908 3613 LACNIC 46 46 42 0 44 31 31 33 41 29 37 38 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 11 10 6 2 9 8 7 3 7 7 6 6 Others 1 0 1 0 0 0 0 0 0 0 0 0 Total 13550 13034 11636 965 12754 7229 8525 7057 11348 7503 9188 10570 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Leaf 15726 15806 15787 1993 15742 9853 11053 16113 15818 11677 15902 15794 Transit 3172 3065 2933 437 3075 2156 2474 2577 2852 2307 2742 2922 Transit-only 122 115 110 223 113 435 358 82 106 349 90 108 Total 19020 18986 18830 2653 18930 12444 13885 18772 18776 14333 18734 18824 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Avg 6.18 5.87 5.92 5.04 6.33 6.46 6.27 5.81 6.26 6.10 6.11 6.25 Std 2.67 2.55 2.63 2.59 2.66 2.96 2.86 2.21 2.54 2.62 2.27 2.75 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/30 12956 10.0.0.2/32 6325 10.10.10.0/30 8342 172.16.2.0/24 6325 172.20.20.1/32 25137 192.0.2.0/24 32767 192.168.2.16/32 15589 192.168.80.0/24 668 192.168.251.121/32 15404 o List of hot-spots during the week. Prefix Origin AS Number of updates 195.155.175.0/24 28869 572967 202.64.40.0/24 2706 468937 61.4.0.0/19 9899 393216 193.73.62.0/24 6730 343802 202.64.159.0/24 2706 341769 216.243.234.0/23 10970 299222 209.182.81.0/24 19071 279554 209.114.254.0/24 14359 268818 202.64.49.0/24 2706 191948 167.1.119.0/24 15084 168950 Total number of RIS BGP peering sessions: 445