RIS Statistics Report (20041129-20041206) This report was generated at Mon Dec 6 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 32433 32274 27343 414 28261 26828 26392 30441 27378 23176 15506 27376 ARIN 67857 66901 62151 408 62749 60524 60957 61666 62185 41499 21038 62195 LACNIC 6822 6806 6772 443 6786 6128 6522 6780 6772 5884 3393 6772 RIPE NCC 28408 27095 25612 5182 26886 19267 23393 25255 25821 20593 14823 26389 OLD 39429 38916 31765 602 33044 29249 31903 32296 31643 23439 10679 32092 IANA 2219 2203 2134 288 2179 1909 2041 2118 2134 1588 1123 2143 RFC1918 9 4 1 0 6 3 1 0 3 3 0 3 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 177177 174199 155778 7337 159911 143908 151209 158556 155936 116182 66562 156970 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 10537 10524 10421 255 10478 10305 10336 10416 10403 8466 5088 10433 APNIC 2143 2142 2113 26 2130 2027 2101 2110 2112 1802 1375 2116 RIPE NCC 6134 6115 6102 2050 6117 5330 5639 6066 6071 5250 4427 6114 LACNIC 87 87 81 10 83 83 81 84 81 70 54 81 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 40 27 17 4 25 17 18 10 24 12 14 19 Others 1 0 1 0 0 0 0 0 0 0 0 0 Total 18942 18895 18735 2345 18833 17762 18175 18686 18691 15600 10958 18763 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 3149 3382 4620 144 3518 4689 4352 6504 3969 4492 2283 3870 APNIC 568 620 736 19 642 777 760 1095 769 805 556 698 RIPE NCC 1670 1947 2127 1209 1910 2133 2052 3575 2312 2287 1854 1885 LACNIC 41 44 42 10 40 46 41 55 41 37 29 42 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 30 20 10 3 16 12 10 7 17 7 8 11 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 5458 6013 7535 1385 6126 7657 7215 11236 7108 7628 4730 6506 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 7388 7142 5801 111 6960 5616 5984 3912 6434 3974 2805 6563 APNIC 1575 1522 1377 7 1488 1250 1341 1015 1343 997 819 1418 RIPE NCC 4464 4168 3975 841 4207 3197 3587 2491 3759 2963 2573 4229 LACNIC 46 43 39 0 43 37 40 29 40 33 25 39 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 10 7 7 1 9 5 8 3 7 5 6 8 Others 1 0 1 0 0 0 0 0 0 0 0 0 Total 13484 12882 11200 960 12707 10105 10960 7450 11583 7972 6228 12257 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Leaf 15644 15707 15687 1705 15641 14841 15101 15968 15704 12870 8506 15648 Transit 3181 3082 2943 402 3081 2707 2904 2636 2885 2420 1913 3005 Transit-only 117 106 105 238 111 214 170 82 102 310 539 110 Total 18942 18895 18735 2345 18833 17762 18175 18686 18691 15600 10958 18763 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Avg 6.39 6.30 6.09 5.30 6.50 6.52 6.38 6.14 6.41 6.32 6.47 6.19 Std 2.88 2.83 2.74 2.72 2.84 3.28 3.05 2.45 2.63 2.70 2.67 2.93 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.1/32 32767 10.0.0.2/32 32767 10.0.254.254/32 25492 10.1.88.208/28 13237 192.168.1.1/32 25492 192.168.46.252/30 7497 192.168.191.0/24 5417 192.168.251.121/32 15404 192.168.254.0/24 5417 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.64.159.0/24 2706 443056 209.222.224.0/20 14102 406742 195.155.175.0/24 28869 368958 202.64.49.0/24 2706 362610 193.73.62.0/24 6730 319085 209.114.254.0/24 14359 257566 209.182.81.0/24 19071 252719 202.64.40.0/24 2706 235872 167.1.119.0/24 15084 157656 198.76.141.0/24 21617 107746 Total number of RIS BGP peering sessions: 445