RIS Statistics Report (20070115-20070122) This report was generated at Mon Jan 22 00:15:01 UTC 2007. 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 rrc15 APNIC 45516 44421 44225 12 44897 43600 43164 21453 43839 42904 44451 44855 43926 38744 25213 ARIN 79394 78175 76498 509 76993 76109 75924 16036 75632 75439 75469 78205 77266 74808 22828 LACNIC 13280 12408 12297 974 12371 12381 12381 5811 12326 12324 12291 12333 12336 12027 8010 RIPE NCC 44210 41833 41639 1117 42986 41533 41251 22420 41828 40988 41726 42906 41844 40649 27420 AfriNIC 253 253 253 70 253 253 253 168 253 253 253 253 253 249 215 Old 39917 38236 36689 583 37782 38351 37085 11292 36696 36379 36567 38346 37088 36762 14221 IANA 76 23 22 0 22 75 22 19 23 22 23 76 22 23 19 RFC1918 14 0 1 0 7 3 0 0 0 0 1 4 2 0 1 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 222660 215349 211624 3265 215311 212305 210080 77199 210597 208309 210781 216978 212737 203262 97927 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 rrc15 ARIN 12268 12188 12159 217 12215 12217 12173 4766 12138 12113 12148 12236 12148 12007 5826 APNIC 2817 2798 2790 4 2806 2787 2787 1681 2787 2770 2778 2799 2780 2458 1820 RIPE NCC 9161 9106 9127 219 9138 9100 9068 5813 9112 9069 9101 9139 9121 9051 6977 LACNIC 278 276 270 39 276 275 275 164 271 270 268 275 274 273 198 AFRINIC 34 34 34 2 34 34 34 27 34 34 34 34 34 34 30 IANA 1 1 1 0 1 1 1 0 1 1 1 1 1 0 1 Private 87 37 17 2 34 27 20 15 19 14 31 35 21 51 17 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 24648 24442 24400 483 24506 24443 24360 12467 24364 24273 24363 24521 24381 23876 14871 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3676 4428 4519 146 4122 5413 5339 2044 6195 6516 5098 4356 4851 5135 2314 APNIC 769 913 962 3 919 1099 1042 672 1247 1349 1057 904 1020 928 808 RIPE NCC 2686 3173 3069 171 2954 3690 3658 2583 3909 4311 3576 3021 3281 3438 2971 LACNIC 112 126 132 34 124 149 137 83 150 160 135 124 134 146 101 AFRINIC 19 19 19 1 19 19 19 16 19 19 19 19 19 19 17 IANA 0 1 1 0 1 1 1 0 1 1 0 1 1 0 1 Private 68 21 8 2 21 15 8 7 11 6 19 19 10 43 9 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7330 8681 8710 357 8160 10386 10204 5405 11532 12362 9904 8444 9316 9709 6222 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8592 7760 7640 71 8093 6804 6834 2722 5943 5597 7050 7880 7297 6872 3512 APNIC 2048 1885 1828 1 1887 1688 1745 1009 1540 1421 1721 1895 1760 1530 1012 RIPE NCC 6475 5933 6058 48 6184 5410 5410 3230 5203 4758 5525 6118 5840 5613 4006 LACNIC 166 150 138 5 152 126 138 81 121 110 133 151 140 127 97 AFRINIC 15 15 15 1 15 15 15 11 15 15 15 15 15 15 13 IANA 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 Private 19 16 9 0 13 12 12 8 8 8 12 16 11 8 8 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17318 15761 15690 126 16346 14057 14156 7062 12832 11911 14459 16077 15065 14167 8649 IANA : AS65535 Number of 4-byte ASes: 0. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 20514 20513 20482 370 20527 20632 20520 9608 20585 20625 20548 20540 20569 20083 11778 Transit 4006 3807 3797 81 3869 3702 3714 2013 3656 3533 3693 3867 3689 3631 2472 Transit-only 147 138 130 34 126 119 136 854 131 119 129 124 130 173 632 Total 24667 24458 24409 485 24522 24453 24370 12475 24372 24277 24370 24531 24388 23887 14882 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.39 6.56 6.05 4.40 6.21 6.16 6.06 6.29 6.88 5.73 6.11 6.11 7.00 5.82 7.00 Std 3.13 3.61 2.63 3.16 3.70 2.62 2.59 2.58 2.97 2.39 2.67 3.53 2.68 2.65 2.49 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 16215 10.20.90.0/24 23352 10.250.250.0/24 23352 172.16.0.0/12 16215 172.21.146.16/30 8342 192.0.2.0/24 2854 192.168.0.0/16 16215 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.96.0/19 32767 192.168.191.0/24 5417 192.168.192.0/18 32767 192.168.203.0/30 12306 o List of hot-spots during the week. Prefix Origin AS Number of updates 12.170.126.0/24 33188 590330 64.201.12.0/24 33188 588621 62.24.238.0/24 13285 446726 222.127.32.0/19 4775 386657 204.94.124.0/24 4755 373773 206.159.96.0/23 27462 277820 63.175.212.0/23 27462 242422 194.42.208.0/20 705 203914 150.105.32.0/24 27458 202322 192.96.13.0/24 16637 193304 Total number of RIS BGP peering sessions: 603