RIS Statistics Report (20080428-20080505) This report was generated at Mon May 5 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 APNIC 62589 57451 57915 57946 61221 57321 58000 0 60646 54548 56293 0 0 0 55500 60477 ARIN 90824 88315 87845 87854 87965 88863 87909 0 88041 88092 87047 0 0 0 89851 86673 LACNIC 20844 18362 18275 18274 18326 18269 18223 0 18295 18157 18103 0 0 0 20742 18139 RIPE NCC 68568 54706 54811 58789 54285 53878 54199 0 60895 53582 53696 0 0 0 52956 53111 AfriNIC 1243 1236 1241 1234 1234 1234 1234 0 1233 1234 1234 0 0 0 1234 1233 Old 43817 42035 41680 42094 41532 41927 41734 0 41787 40800 40815 0 0 0 41577 41583 IANA 3 0 0 0 1 0 0 0 1 1 0 0 0 0 1 0 RFC1918 46 1 27 2 12 3 2 0 0 5 2 0 0 0 7 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 287934 262106 261794 266193 264576 261495 261301 0 270898 256419 257190 0 0 0 261868 261216 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 13322 13285 13294 13302 13303 13270 13302 0 13224 13190 13220 0 0 0 13254 13160 APNIC 3236 3228 3220 3218 3220 3212 3219 0 3199 3176 3199 0 0 0 3192 3187 RIPE NCC 11372 11348 11345 11343 11345 11318 11338 0 11336 11313 11331 0 0 0 11289 11295 LACNIC 461 459 461 461 461 458 461 0 454 453 457 0 0 0 459 455 AFRINIC 102 102 101 101 101 101 101 0 101 101 101 0 0 0 101 101 IANA 2 2 2 2 2 2 2 0 2 2 2 0 0 0 2 1 Private 79 54 44 36 52 36 35 0 37 27 27 0 0 0 21 15 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 28575 28478 28468 28463 28484 28397 28458 0 28353 28262 28338 0 0 0 28318 28214 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 ARIN 4192 4714 4552 4622 4583 5613 4605 0 4944 5473 4990 0 0 0 5761 8188 APNIC 859 981 937 966 969 1190 986 0 1109 1149 1040 0 0 0 1267 1773 RIPE NCC 3571 4132 3882 4043 3920 4760 4079 0 4270 4633 4708 0 0 0 5539 6774 LACNIC 188 222 211 214 207 228 214 0 212 227 224 0 0 0 218 258 AFRINIC 40 44 40 45 42 47 42 0 44 46 46 0 0 0 48 57 IANA 1 1 1 1 1 1 1 0 1 1 1 0 0 0 1 1 Private 61 42 35 29 42 29 28 0 31 21 22 0 0 0 16 14 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8912 10136 9658 9920 9764 11868 9955 0 10611 11550 11031 0 0 0 12850 17065 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 ARIN 9130 8571 8742 8680 8720 7657 8697 0 8280 7717 8230 0 0 0 7493 4972 APNIC 2377 2247 2283 2252 2251 2022 2233 0 2090 2027 2159 0 0 0 1925 1414 RIPE NCC 7801 7216 7463 7300 7425 6558 7259 0 7066 6680 6623 0 0 0 5750 4521 LACNIC 273 237 250 247 254 230 247 0 242 226 233 0 0 0 241 197 AFRINIC 62 58 61 56 59 54 59 0 57 55 55 0 0 0 53 44 IANA 1 1 1 1 1 1 1 0 1 1 1 0 0 0 1 0 Private 18 12 9 7 10 7 7 0 6 6 5 0 0 0 5 1 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 19663 18342 18810 18543 18720 16529 18503 0 17742 16712 17307 0 0 0 15468 11149 IANA : AS64351 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 rrc16 Leaf 23850 23968 23867 23902 23901 24036 23906 0 23930 23941 23943 0 0 0 24092 24375 Transit 4606 4395 4481 4444 4461 4258 4436 0 4304 4205 4267 0 0 0 4122 3754 Transit-only 130 124 128 123 129 110 123 0 123 119 132 0 0 0 108 85 Total 28586 28487 28476 28469 28491 28404 28465 0 28357 28265 28342 0 0 0 28322 28214 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 Avg 5.89 6.23 5.26 5.35 5.70 5.84 5.48 0.00 5.78 6.17 5.63 0.00 0.00 0.00 6.43 4.94 Std 2.41 2.47 2.22 2.18 2.46 2.22 2.39 0.00 2.47 2.34 2.43 0.00 0.00 0.00 2.37 1.60 Can not connect to DB rrc06 Can not connect to DB rrc06 Total number of RIS BGP peering sessions: 629