RIS Statistics Report (20061218-20061225) This report was generated at Mon Dec 25 00:15:01 UTC 2006. 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 45379 44244 44334 0 44489 42797 42756 43679 9586 42175 28075 43825 43105 29535 41414 ARIN 78452 77159 77342 227 77710 75975 76169 75471 22269 75251 35091 76963 75669 47042 68505 LACNIC 15434 12874 12833 1305 12864 12857 12860 11491 1639 11412 8361 12842 12711 11417 14400 RIPE NCC 51157 41284 48289 463 48307 40677 41712 39895 18026 39982 29954 47374 40915 32014 38414 AfriNIC 237 235 237 69 237 235 235 235 218 235 195 237 232 235 219 Old 39771 38070 37242 432 37577 37044 37105 36817 12692 35942 18890 38300 37034 36230 31223 IANA 59 6 59 0 58 5 5 4 2 4 3 58 56 5 4 RFC1918 9 0 0 0 6 0 0 0 0 0 0 3 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 230498 213872 220336 2496 221248 209590 210842 207592 64432 205001 120569 219602 209722 156478 194179 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 12222 12188 12124 163 12177 12107 12133 12081 6246 12057 7663 12189 12084 10235 11289 APNIC 2786 2772 2769 1 2781 2755 2757 2751 1083 2742 2063 2763 2726 2365 2696 RIPE NCC 9035 8991 9018 151 9018 8975 8978 8924 4710 8955 7455 9005 8885 8122 8698 LACNIC 276 275 269 38 273 273 272 268 105 266 202 273 271 266 256 AFRINIC 29 29 29 2 29 29 29 29 19 29 25 29 29 29 29 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 110 44 29 1 46 24 28 10 9 9 19 35 25 63 21 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 24459 24300 24239 356 24325 24164 24198 24064 12172 24059 17428 24295 24021 21081 22990 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3800 4872 4171 102 4203 6339 5903 8091 4079 6491 3532 4451 5170 6180 5456 APNIC 770 1012 923 1 887 1297 1092 1489 634 1324 943 942 1055 1222 1166 RIPE NCC 2713 3246 2897 106 2930 4213 3702 6154 2424 4794 3265 3222 3556 4727 3922 LACNIC 112 130 120 29 121 148 137 182 66 162 101 128 133 175 132 AFRINIC 17 17 17 1 17 17 17 19 14 19 13 17 18 19 17 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 88 29 16 1 27 15 14 6 6 6 8 19 15 58 14 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7500 9306 8144 240 8185 12029 10865 15942 7223 12796 7863 8779 9947 12382 10708 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8422 7316 7953 61 7974 5768 6230 3990 2167 5566 4131 7738 6914 4055 5833 APNIC 2016 1760 1846 0 1894 1458 1665 1262 449 1418 1120 1821 1671 1143 1530 RIPE NCC 6322 5745 6121 45 6088 4762 5276 2770 2286 4161 4190 5783 5329 3395 4776 LACNIC 164 145 149 9 152 125 135 86 39 104 101 145 138 91 124 AFRINIC 12 12 12 1 12 12 12 10 5 10 12 12 11 10 12 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 22 15 13 0 19 9 14 4 3 3 11 16 10 5 7 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 16959 14994 16095 116 16140 12135 13333 8122 4949 11263 9565 15516 14074 8699 12282 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 20355 20410 20305 254 20364 20495 20426 20860 9851 20613 14151 20394 20293 17839 19497 Transit 3980 3766 3815 69 3847 3567 3660 3117 1725 3349 2764 3789 3591 2948 3340 Transit-only 135 131 125 33 122 111 121 87 593 94 518 119 140 294 156 Total 24470 24307 24245 356 24333 24173 24207 24064 12169 24056 17433 24302 24024 21081 22993 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.16 6.50 5.68 4.47 5.93 6.21 6.09 4.72 5.47 5.01 6.18 6.18 7.16 4.78 6.58 Std 2.75 2.69 2.54 3.04 2.68 2.70 2.58 1.67 2.30 1.82 2.72 3.38 2.63 1.98 2.37 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 16215 172.16.0.0/12 16215 172.16.8.0/24 25232 192.0.2.0/24 2854 192.168.0.0/16 16215 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.191.0/24 5417 o List of hot-spots during the week. Prefix Origin AS Number of updates 12.170.126.0/24 33188 534259 64.201.12.0/24 33188 532161 62.24.238.0/24 13285 483451 194.42.208.0/20 705 219356 192.96.13.0/24 16637 193836 192.96.14.0/24 16637 193816 202.169.24.0/21 38278 167640 213.247.38.0/23 25232 160473 216.32.206.0/24 20473 148829 193.242.111.0/24 2128 134208 Total number of RIS BGP peering sessions: 598