RIS Statistics Report (20080211-20080218) This report was generated at Mon Feb 18 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 60664 55426 54204 53770 59177 54514 54514 54631 54299 53697 55169 0 54259 55216 54300 ARIN 89252 86754 85732 86264 86245 86207 86492 85671 85997 86595 85958 0 85957 87630 88885 LACNIC 20375 17156 16938 16988 16924 16996 16997 17120 17092 17033 16894 0 17092 17018 20370 RIPE NCC 68281 52295 51981 55510 52224 51223 51572 50812 58325 51422 51475 0 52532 53377 51066 AfriNIC 3075 3064 3060 3047 3037 3046 3045 3051 3057 3041 3062 0 3058 3053 3047 Old 40540 39615 38519 39123 39456 39294 39303 39240 38633 38646 38800 0 38500 39492 39608 IANA 8 7 7 6 6 7 7 5 7 6 7 0 7 7 5 RFC1918 110 0 89 0 10 0 0 0 0 2 8 0 3 0 6 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 282305 254317 250530 254708 257079 251287 251930 250530 257410 250442 251373 0 251408 255793 257287 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 13127 13106 13032 13072 13081 13078 13090 13001 13025 13003 13023 0 13000 13105 13072 APNIC 3148 3140 3105 3105 3119 3113 3110 3105 3112 3102 3117 0 3086 3134 3110 RIPE NCC 11006 10974 10978 10959 10958 10967 10968 10924 10969 10961 10969 0 10971 10966 10944 LACNIC 427 424 420 424 422 424 425 423 418 418 418 0 418 424 426 AFRINIC 89 89 89 89 89 89 89 89 89 89 89 0 89 89 89 IANA 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 Private 94 62 56 48 54 49 49 24 47 34 43 0 46 37 39 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 27893 27796 27682 27698 27724 27721 27732 27567 27661 27608 27660 0 27611 27756 27681 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 4035 4365 4548 5316 4632 5691 4898 7826 5376 5836 4964 0 4908 4642 5360 APNIC 829 934 945 1089 962 1141 1005 1506 1084 1119 989 0 1073 1000 1147 RIPE NCC 3276 3855 3701 4291 3786 4510 3892 6633 4234 4362 4306 0 3846 4186 4884 LACNIC 182 200 196 203 201 207 209 248 203 211 205 0 201 201 200 AFRINIC 38 38 40 42 40 42 41 43 41 41 41 0 40 40 41 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 62 36 33 28 40 29 26 11 27 18 23 0 26 19 22 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8422 9428 9463 10969 9661 11620 10071 16267 10965 11587 10528 0 10094 10088 11654 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 9092 8741 8484 7756 8449 7387 8192 5175 7649 7167 8059 0 8092 8463 7712 APNIC 2319 2206 2160 2016 2157 1972 2105 1599 2028 1983 2128 0 2013 2134 1963 RIPE NCC 7730 7119 7277 6668 7172 6457 7076 4291 6735 6599 6663 0 7125 6780 6060 LACNIC 245 224 224 221 221 217 216 175 215 207 213 0 217 223 226 AFRINIC 51 51 49 47 49 47 48 46 48 48 48 0 49 49 48 IANA 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 Private 32 26 23 20 14 20 23 13 20 16 20 0 20 18 17 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 19471 18368 18219 16729 18063 16101 17661 11300 16696 16021 17132 0 17517 17668 16027 IANA : AS65535 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 Leaf 23227 23306 23221 23376 23297 23403 23298 23662 23332 23359 23322 0 23268 23333 23480 Transit 4534 4363 4316 4203 4305 4209 4321 3814 4201 4134 4202 0 4216 4307 4096 Transit-only 147 137 153 126 130 117 126 100 135 124 142 0 134 131 115 Total 27908 27806 27690 27705 27732 27729 27745 27576 27668 27617 27666 0 27618 27771 27691 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.07 6.18 5.71 5.92 5.88 5.94 6.16 5.42 5.98 6.16 5.69 0.00 6.48 5.38 6.47 Std 2.51 2.58 2.51 2.38 2.44 2.34 2.47 2.24 2.61 2.40 2.52 0.00 2.59 2.50 2.38 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 192.168.100.0/24 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 62.114.0.0/19 15475 6025311 202.140.63.0/24 17443 1244384 202.141.0.0/17 2697 895897 80.243.64.0/20 21332 847026 203.101.87.0/24 9498 837294 124.7.35.0/24 9583 583905 12.108.254.0/24 26829 194255 207.181.144.0/24 32004 165601 41.204.0.0/24 32398 138264 89.4.131.0/24 24731 114895 Total number of RIS BGP peering sessions: 620