RIS Statistics Report (20080204-20080211) This report was generated at Mon Feb 11 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 APNIC 60790 55313 53812 53951 59375 54360 54318 54497 53860 53467 54766 0 53874 54843 54073 ARIN 88401 85980 84888 86326 85729 85596 84808 85068 85059 85137 85081 0 85135 86761 87765 LACNIC 20097 16922 16762 16811 16890 16886 16791 16865 16832 16779 16777 0 16863 16910 20092 RIPE NCC 66918 52455 51531 55418 51495 50848 51017 50325 57505 50940 51021 0 52479 50976 50662 AfriNIC 3508 3496 3488 3474 2708 3472 3470 3478 3481 3470 3488 0 3487 3480 3476 Old 40401 39558 38435 39175 39430 39209 39125 39239 38532 38547 38698 0 38508 39415 39520 IANA 15 14 14 14 10 14 14 13 14 13 14 0 14 14 13 RFC1918 48 1 25 2 11 0 0 0 0 3 8 0 2 0 6 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 280178 253739 248955 255171 255648 250385 249543 249485 255283 248356 249853 0 250362 252399 255607 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 13112 13089 13013 13050 13071 13072 13072 13015 12996 12993 13010 0 12989 13091 13063 APNIC 3143 3135 3099 3096 3123 3107 3104 3100 3102 3095 3106 0 3079 3127 3102 RIPE NCC 10962 10937 10935 10910 10938 10931 10924 10882 10926 10916 10921 0 10932 10925 10897 LACNIC 422 420 414 418 418 419 418 418 411 413 412 0 411 419 420 AFRINIC 85 84 85 84 84 84 85 84 84 84 84 0 84 84 84 IANA 2 2 2 2 2 2 2 2 2 2 2 0 2 2 2 Private 84 57 44 34 51 41 42 18 34 24 31 0 37 29 34 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 27811 27724 27593 27594 27687 27656 27647 27519 27555 27527 27567 0 27534 27677 27602 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 4092 4401 4621 5674 4647 5361 5414 7584 5445 6020 5083 0 4780 4597 5648 APNIC 820 908 949 1260 961 1103 1064 1439 1136 1181 1001 0 1072 997 1249 RIPE NCC 3255 3742 3708 4354 3698 4281 3992 6564 4236 4407 4219 0 3834 4010 5095 LACNIC 185 205 201 211 202 214 223 253 210 217 215 0 212 206 215 AFRINIC 34 34 36 37 36 35 36 39 37 38 36 0 35 36 37 IANA 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 Private 54 39 31 21 33 26 25 8 26 17 20 0 24 20 21 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8441 9330 9547 11558 9578 11021 10755 15888 11091 11881 10576 0 9958 9867 12266 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 9020 8688 8392 7376 8424 7711 7658 5431 7551 6973 7927 0 8209 8494 7415 APNIC 2323 2227 2150 1836 2162 2004 2040 1661 1966 1914 2105 0 2007 2130 1853 RIPE NCC 7707 7195 7227 6556 7240 6650 6932 4318 6690 6509 6702 0 7098 6915 5802 LACNIC 237 215 213 207 216 205 195 165 201 196 197 0 199 213 205 AFRINIC 51 50 49 47 48 49 49 45 47 46 48 0 49 48 47 IANA 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 Private 30 18 13 13 18 15 17 10 8 7 11 0 13 9 13 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 19370 18394 18046 16036 18109 16635 16892 11631 16464 15646 16991 0 17576 17810 15336 IANA : AS60000 AS65535 Number of 4-byte ASes: 15. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 23175 23258 23180 23339 23248 23325 23260 23608 23277 23330 23264 0 23216 23275 23454 Transit 4507 4343 4279 4136 4323 4213 4276 3815 4160 4080 4175 0 4194 4283 4037 Transit-only 146 132 143 121 130 124 123 99 127 126 134 0 126 133 112 Total 27828 27733 27602 27596 27701 27662 27659 27522 27564 27536 27573 0 27536 27691 27603 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.11 6.29 5.75 5.94 5.79 5.96 6.01 5.52 5.95 6.30 5.79 0.00 6.63 5.50 6.76 Std 2.59 2.67 2.60 2.43 2.53 2.34 2.63 2.28 2.61 2.48 2.60 0.00 2.64 2.58 2.61 o List of martians appearing throughout the week. Prefix Origin AS 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 10.44.1.0/24 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 10.205.255.0/27 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 192.168.11.3/32 42652 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 192.168.252.0/24 6848 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 203.101.87.0/24 9498 528738 80.243.64.0/20 21332 483026 124.7.35.0/24 9583 414031 202.141.0.0/17 2697 406040 64.79.128.0/19 23005 290662 203.16.208.0/24 4739 271885 202.140.63.0/24 17443 204127 12.108.254.0/24 26829 158395 65.244.50.0/24 27017 152184 193.227.101.0/24 41482 127755 Total number of RIS BGP peering sessions: 616