RIS Statistics Report (20080218-20080225) This report was generated at Mon Feb 25 00:15:01 UTC 2008. 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 rrc16 .0.0 10_Old 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 APNIC 3791 3706 3545 3589 3575 3633 3634 3649 3523 3512 3544 0 3509 3731 3627 3528 ARIN 15124 14880 14479 14728 14724 14808 14811 14735 14567 14506 14423 0 14452 14837 14855 14354 LACNIC 6367 6265 5971 6062 5983 6106 6107 6106 5973 5968 5976 0 5970 6292 6118 5933 RIPE NCC 5707 5521 5396 5488 5429 5536 5506 5478 5370 5369 5396 0 5363 5502 5548 5377 AfriNIC 5871 5673 5318 5470 5599 5468 5466 5632 5427 5398 5600 0 5424 5489 5598 5272 Old 254752 225775 220874 219871 220751 219781 219384 216160 226813 219041 217842 0 218811 224452 221670 218463 .0.0.0 10_Old 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .254.0.0 10_Old 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 RFC1918 48 0 26 0 10 0 0 0 0 2 9 0 3 0 6 0 .16.0.0 10_Old 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .0.2.0 10_Old 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .18.0.0 10_Old 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 OTHER 0 4 4 4 2 3 4 3 4 4 4 0 4 4 3 0 TOTAL 291664 261824 255613 255212 256073 255335 254912 251763 261677 253800 252794 0 253536 260307 257425 252927 ER 4 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 rrc16 ARIN 13144 13114 13040 13084 13063 13082 13095 13029 13030 13018 13033 0 13004 13110 13087 12967 APNIC 3159 3151 3119 3115 3125 3128 3125 3117 3123 3116 3127 0 3099 3145 3120 3101 RIPE NCC 11032 11001 11002 10976 10941 10985 10994 10952 10999 10983 10992 0 10996 10989 10968 10950 LACNIC 429 428 423 427 422 427 428 427 421 421 421 0 421 427 428 419 AFRINIC 88 88 88 88 87 88 88 88 88 88 88 0 88 88 88 88 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 93 64 50 44 48 46 48 26 45 31 35 0 44 28 45 18 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 27946 27846 27723 27734 27686 27756 27778 27639 27706 27657 27696 0 27652 27787 27736 27543 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 ARIN 4042 4442 4571 5065 4917 5773 5292 6916 5135 5573 4878 0 4842 4602 5020 8028 APNIC 814 907 921 1115 1001 1161 1018 1388 1052 1111 978 0 1052 972 1121 1763 RIPE NCC 3311 3804 3719 4357 4096 4562 4000 6062 4165 4301 4284 0 3843 4155 4871 7358 LACNIC 175 203 196 208 212 214 211 246 206 207 206 0 204 205 196 288 AFRINIC 37 38 39 42 41 43 39 45 42 43 43 0 39 41 40 52 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 66 47 37 33 41 35 35 18 33 25 26 0 30 22 30 16 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8445 9441 9483 10820 10308 11788 10595 14675 10633 11260 10415 0 10010 9997 11278 17505 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 ARIN 9102 8672 8469 8019 8146 7309 7803 6113 7895 7445 8155 0 8162 8508 8067 4939 APNIC 2345 2244 2198 2000 2124 1967 2107 1729 2071 2005 2149 0 2047 2173 1999 1338 RIPE NCC 7721 7197 7283 6619 6845 6423 6994 4890 6834 6682 6708 0 7153 6834 6097 3592 LACNIC 254 225 227 219 210 213 217 181 215 214 215 0 217 222 232 131 AFRINIC 51 50 49 46 46 45 49 43 46 45 45 0 49 47 48 36 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 27 17 13 11 7 11 13 8 12 6 9 0 14 6 15 2 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 19501 18405 18240 16914 17378 15968 17183 12964 17073 16397 17281 0 17642 17790 16458 10038 Number of 4-byte ASes: 14. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 Leaf 23261 23358 23280 23428 23363 23455 23368 23621 23352 23365 23365 0 23325 23373 23497 23875 Transit 4557 4371 4308 4197 4211 4201 4303 3922 4228 4176 4207 0 4206 4306 4133 3580 Transit-only 144 128 144 116 114 109 120 103 132 125 131 0 128 123 114 87 Total 27962 27857 27732 27741 27688 27765 27791 27646 27712 27666 27703 0 27659 27802 27744 27542 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 Avg 5.99 6.20 5.73 5.81 5.17 5.89 5.99 5.46 5.99 6.26 5.69 0.00 6.46 5.47 6.52 4.92 Std 2.52 2.62 2.58 2.32 2.13 2.36 2.61 2.17 2.58 2.47 2.52 0.00 2.62 2.64 2.45 1.42 o List of martians appearing throughout the week. Prefix Origin AS 0.0.0.0/32 19151 10.0.22.0/24 39912 10.7.7.4/30 3491 10.7.7.5/32 3491 10.11.12.0/24 34245 10.11.13.0/24 34245 10.20.0.0/20 39912 10.31.1.0/24 40638 10.44.1.0/24 3300 10.128.18.0/23 34245 10.128.22.0/23 34245 10.193.3.0/24 34245 10.193.12.128/28 34245 10.193.14.32/27 34245 10.193.14.64/27 34245 10.193.14.96/27 34245 10.193.14.192/28 34245 10.205.255.0/27 34245 10.205.255.32/27 34245 10.216.0.0/23 34245 10.216.2.0/23 34245 10.216.4.0/23 34245 10.216.6.0/23 34245 10.216.8.0/23 34245 10.216.10.0/23 34245 10.218.60.24/30 3491 172.20.20.0/30 3491 192.0.2.0/24 3300 192.168.2.0/24 34245 192.168.10.0/24 34245 192.168.11.0/24 31323 192.168.100.0/24 31323 192.168.107.0/24 34245 192.168.108.0/24 34245 192.168.109.0/24 34245 192.168.117.0/24 34245 192.168.118.0/24 34245 192.168.119.0/24 34245 192.168.192.0/24 31323 192.168.251.0/29 3491 192.168.251.2/32 3491 192.168.254.8/30 3491 192.168.254.10/32 3491 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.141.0.0/17 2697 676310 80.243.64.0/20 21332 674484 202.140.63.0/24 17443 671442 203.101.87.0/24 9498 634650 41.204.0.0/24 32398 393528 12.108.254.0/24 26829 153944 203.94.232.0/22 17813 148369 203.94.220.0/22 17813 148356 59.183.96.0/20 17813 145173 69.1.226.0/24 32523 115629 Total number of RIS BGP peering sessions: 620