RIS Statistics Report (20041025-20041101) This report was generated at Mon Nov 1 00:15:02 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 30026 29812 27850 24083 28355 27182 28430 29027 28420 27836 21649 28383 ARIN 61414 60780 51763 57706 60252 55139 60528 60765 60333 59836 43196 60033 LACNIC 6543 6543 6248 6380 6516 6429 6535 6527 6506 6499 5334 6505 RIPE NCC 29060 25105 22959 20566 28376 21475 24381 24079 22312 24251 12635 24627 OLD 33160 32077 27823 29403 31848 29555 31707 31690 31201 30660 20379 30961 IANA 1775 1748 1625 1430 1768 1552 1737 1734 1682 1696 967 1735 RFC1918 23 6 0 0 6 6 0 0 11 2 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 162001 156071 138268 139568 157121 141338 153318 153822 150465 150780 104160 152244 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 10453 10436 9342 353 10402 9956 10417 10333 10296 10311 8235 10338 APNIC 2135 2131 2098 29 2125 2059 2117 2112 2105 2098 1592 2110 RIPE NCC 6006 5982 5752 2388 5988 5490 5985 5944 5532 5967 3922 5985 LACNIC 78 78 73 6 77 74 76 77 73 74 60 73 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 91 79 16 3 28 69 74 17 19 12 10 16 Others 1 1 1 1 1 1 1 1 1 1 0 1 Total 18764 18707 17282 2780 18621 17649 18670 18484 18026 18463 13819 18523 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 3025 3358 4000 226 3262 4464 3884 6265 4098 4546 4267 4208 APNIC 557 666 802 27 615 845 713 1193 814 852 768 763 RIPE NCC 1663 1982 2302 1484 1833 2254 2014 3380 2127 2344 1629 2135 LACNIC 32 32 35 6 35 39 40 46 36 38 33 34 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 84 74 12 1 22 65 69 13 14 8 7 11 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 5361 6112 7151 1744 5767 7667 6720 10897 7089 7788 6704 7151 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 7428 7078 5342 127 7140 5492 6533 4068 6198 5765 3968 6130 APNIC 1578 1465 1296 2 1510 1214 1404 919 1291 1246 824 1347 RIPE NCC 4343 4000 3450 904 4155 3236 3971 2564 3405 3623 2293 3850 LACNIC 46 46 38 0 42 35 36 31 37 36 27 39 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 7 5 4 2 6 4 5 4 5 4 3 5 Others 1 1 1 1 1 1 1 1 1 1 0 1 Total 13403 12595 10131 1036 12854 9982 11950 7587 10937 10675 7115 11372 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Leaf 15512 15579 14360 2099 15461 14755 15577 15784 15132 15543 11349 15493 Transit 3132 3014 2745 500 3045 2688 2983 2603 2733 2817 2032 2918 Transit-only 120 114 177 181 115 206 110 97 161 103 438 112 Total 18764 18707 17282 2780 18621 17649 18670 18484 18026 18463 13819 18523 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Avg 6.38 6.17 6.12 5.65 6.31 6.19 6.13 6.16 7.25 5.86 5.96 6.36 Std 3.07 2.81 2.90 3.19 2.97 2.84 2.99 2.37 3.57 2.55 2.31 3.07 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/24 9949 10.0.23.0/27 8928 10.1.1.0/24 15782 10.255.95.0/24 15782 10.255.96.0/24 15782 10.255.97.0/24 15782 10.255.98.0/24 15782 10.255.99.0/24 15782 172.16.0.0/12 3320 172.16.42.0/24 15782 172.16.43.0/24 15782 172.16.44.0/24 15782 172.16.46.0/24 15782 172.30.84.72/29 8968 192.168.0.0/16 3320 192.168.46.252/30 7497 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.120.0/24 15782 192.168.191.0/24 5417 192.168.251.121/32 15404 o List of hot-spots during the week. Prefix Origin AS Number of updates 193.109.43.0/24 21086 410465 209.182.81.0/24 19071 309605 209.114.254.0/24 14359 284877 193.73.62.0/24 6730 281677 167.1.119.0/24 15084 147081 193.221.77.0/24 702 141903 198.76.46.0/24 21617 130557 198.76.61.0/24 21617 112471 213.228.64.0/18 16054 105887 198.76.141.0/24 21617 103631 Total number of RIS BGP peering sessions: 435