RIS Statistics Report (20041004-20041011) This report was generated at Mon Oct 11 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 27126 26843 26245 460 26677 21088 26432 26900 26344 25909 18685 26391 ARIN 61270 60742 60187 610 60924 57488 60308 60736 59675 59437 39388 60198 LACNIC 6505 6504 6470 998 6482 5704 6480 6495 6470 6470 5075 6470 RIPE NCC 25435 24584 24176 6285 24848 17927 24320 23986 24223 23990 13985 24672 OLD 32544 32154 30879 956 31932 28398 31369 31586 31019 30633 19347 30984 IANA 1577 1562 1542 282 1558 1244 1542 1513 1517 1470 941 1554 RFC1918 4 1 0 0 1 1 0 0 1 1 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 154461 152390 149499 9591 152422 131850 150451 151216 149249 147910 97421 150269 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 10390 10376 10279 285 10333 10061 10316 10283 10259 10249 7497 10286 APNIC 2119 2116 2090 40 2115 1741 2098 2092 2088 2081 1521 2092 RIPE NCC 5916 5893 5893 2316 5901 4939 5899 5853 5882 5872 4182 5900 LACNIC 70 70 65 7 67 67 69 69 65 66 53 65 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 39 32 17 3 30 22 31 13 17 5 9 17 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 18534 18487 18344 2651 18446 16830 18413 18310 18311 18273 13262 18360 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 3059 3368 3894 156 3365 4697 4118 6173 3925 5071 4060 3694 APNIC 596 663 736 30 663 730 772 1215 804 1067 754 758 RIPE NCC 1649 1992 2057 1397 1911 1935 2266 3565 2353 2816 1881 2019 LACNIC 30 31 29 7 29 35 34 46 31 39 30 30 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 31 27 12 1 23 20 25 11 12 3 7 12 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 5365 6081 6728 1591 5991 7417 7215 11010 7125 8996 6732 6513 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 7331 7008 6385 129 6968 5364 6198 4110 6334 5178 3437 6592 APNIC 1523 1453 1354 10 1452 1011 1326 877 1284 1014 767 1334 RIPE NCC 4267 3901 3836 919 3990 3004 3633 2288 3529 3056 2301 3881 LACNIC 40 39 36 0 38 32 35 23 34 27 23 35 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 8 5 5 2 7 2 6 2 5 2 2 5 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 13169 12406 11616 1060 12455 9413 11198 7300 11186 9277 6530 11847 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Leaf 15324 15398 15344 1954 15348 14034 15398 15688 15417 15439 10869 15320 Transit 3092 2980 2892 476 2982 2558 2901 2535 2788 2741 1994 2926 Transit-only 118 109 108 221 116 238 114 87 106 93 399 114 Total 18534 18487 18344 2651 18446 16830 18413 18310 18311 18273 13262 18360 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Avg 6.30 6.11 5.66 5.37 6.42 6.16 6.15 5.93 6.68 5.99 6.09 6.14 Std 2.93 2.69 2.71 2.79 2.96 2.68 2.88 2.26 3.24 2.59 2.43 2.85 o List of martians appearing throughout the week. Prefix Origin AS 172.16.2.0/24 13182 192.168.46.252/30 7497 192.168.66.0/24 30893 o List of hot-spots during the week. Prefix Origin AS Number of updates 193.109.43.0/24 21086 671187 193.73.62.0/24 6730 376173 209.182.81.0/24 19071 355329 209.114.254.0/24 14359 308443 198.76.144.0/24 21617 139453 198.76.149.0/24 21617 129011 198.76.148.0/24 21617 127693 24.239.64.0/18 27364 122912 198.76.150.0/24 21617 118158 198.76.141.0/24 21617 117717 Total number of RIS BGP peering sessions: 430