RIS Statistics Report (20050620-20050627) This report was generated at Mon Jun 27 00:15:01 UTC 2005. 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 rrc13 rrc14 APNIC 32457 0 31070 0 31711 31403 31019 19077 21590 23677 14609 31103 31010 30864 ARIN 63990 0 62116 99 63351 63360 60056 16134 47651 40454 23612 63009 62653 62635 LACNIC 8120 0 7978 683 8085 8059 7828 3667 7564 5425 5104 8028 7370 7368 RIPE NCC 29424 0 26325 740 28124 26930 25683 13652 18989 20848 17370 27795 26988 25945 OLD 34614 0 32327 228 33715 33785 32323 10777 31739 20303 14153 32994 33288 32748 IANA 6213 0 5874 56 6126 5958 5851 2764 5804 4335 3385 5998 5832 5725 RFC1918 31 0 8 0 18 4 0 0 0 5 0 0 2 0 AFRINIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 174849 0 165698 1806 171130 169499 162760 66071 133337 115047 78233 168927 167143 165285 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 rrc13 rrc14 ARIN 11020 10993 10856 114 10952 10980 10542 4454 9924 8219 6054 10911 10887 10922 APNIC 2264 2257 2227 0 2258 2248 2233 1574 1959 2015 1491 2243 2228 2234 RIPE NCC 6883 6822 6667 252 6835 6817 6568 4426 5705 5998 5201 6834 6817 6788 LACNIC 130 130 125 12 128 130 124 93 124 108 89 125 129 127 AFRINIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 58 38 23 0 36 30 28 16 12 9 19 24 19 31 Others 1 1 1 0 1 1 1 1 1 0 1 1 1 1 Total 20356 20241 19899 378 20210 20206 19496 10564 17725 16349 12855 20138 20081 20103 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 3218 3631 3929 67 3590 4827 4128 2873 5574 5385 2739 4028 5736 6933 APNIC 655 735 899 0 749 881 816 951 992 1208 593 901 1225 1259 RIPE NCC 1891 2404 2406 194 2069 2807 2433 2867 3011 3661 2128 2485 3556 4221 LACNIC 54 56 57 11 57 64 61 71 76 77 45 59 80 88 AFRINIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 41 27 11 0 23 19 15 11 6 7 11 14 13 26 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 5859 6853 7302 272 6488 8598 7453 6773 9659 10338 5516 7487 10610 12527 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 7802 7362 6927 47 7362 6153 6414 1581 4350 2834 3315 6883 5151 3989 APNIC 1609 1522 1328 0 1509 1367 1417 623 967 807 898 1342 1003 975 RIPE NCC 4992 4418 4261 58 4766 4010 4135 1559 2694 2337 3073 4349 3261 2567 LACNIC 76 74 68 1 71 66 63 22 48 31 44 66 49 39 AFRINIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 17 11 12 0 13 11 13 5 6 2 8 10 6 5 Others 1 1 1 0 1 1 1 1 1 0 1 1 1 1 Total 14497 13388 12597 106 13722 11608 12043 3791 8066 6011 7339 12651 9471 7576 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Leaf 16890 16957 16701 289 16883 17039 16278 8474 15067 13782 10180 16912 17199 17261 Transit 3342 3165 3046 50 3200 3060 3055 1554 2376 2352 2101 3109 2785 2756 Transit-only 124 119 152 39 127 107 163 536 282 215 574 117 97 86 Total 20356 20241 19899 378 20210 20206 19496 10564 17725 16349 12855 20138 20081 20103 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Avg 6.21 6.20 6.17 3.84 6.24 6.18 6.21 5.28 5.31 5.32 6.22 6.32 7.09 4.89 Std 2.78 2.82 2.84 2.27 2.81 2.80 2.79 2.20 2.08 2.18 3.04 2.87 2.19 2.03 o List of martians appearing throughout the week. Prefix Origin AS 10.0.14.0/24 8342 10.10.10.0/24 9009 10.31.1.0/24 9009 10.31.2.0/24 9009 10.31.3.0/24 9009 10.32.1.0/24 9009 10.32.2.0/24 9009 10.44.0.0/24 9009 10.135.254.0/28 6848 10.145.16.4/30 6325 172.16.2.32/28 6325 172.16.2.80/28 6325 172.21.0.0/19 12956 172.22.0.0/18 12956 172.23.0.0/17 12956 172.24.0.0/18 12956 172.25.0.0/16 12956 172.25.87.0/24 12956 172.30.63.12/30 8968 172.30.63.72/30 8968 172.30.63.76/30 8968 172.30.84.48/29 8968 172.30.84.72/29 8968 172.31.31.0/30 6325 192.0.2.1/32 25137 192.168.2.0/24 8190 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.191.0/24 5417 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.64.40.0/24 2706 455237 193.232.248.0/24 6697 429652 202.64.49.0/24 2706 360416 207.168.184.0/24 32832 339437 61.4.0.0/19 9899 256487 67.151.119.0/24 33486 256453 199.181.158.0/23 4595 216942 81.213.47.0/24 9121 192046 212.124.229.0/24 20995 151316 212.124.230.0/24 20995 148257 Total number of RIS BGP peering sessions: 524