RIS Statistics Report (20070813-20070820) This report was generated at Mon Aug 20 00:15:01 UTC 2007. 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 51296 48699 49392 47411 50426 34974 48501 16692 49513 42347 49645 49988 49324 43392 49223 ARIN 82796 81092 80207 78615 81333 47745 81542 22180 81188 58359 80537 81300 81268 72219 81614 LACNIC 16308 14596 14530 14318 14581 11149 14623 6127 14580 13335 14555 14563 14571 14328 15916 RIPE NCC 50258 46676 46612 44786 48596 33399 46820 20212 46971 38231 45581 47107 47172 42161 45516 AfriNIC 620 614 619 613 620 542 619 359 620 603 619 619 619 604 620 Old 42243 41079 39985 38241 40911 25856 40691 10765 40312 29294 40054 40681 40355 37298 39874 IANA 1502 1453 1443 1398 1444 1067 1431 669 1430 1250 1442 1477 1472 1349 1432 RFC1918 78 0 9 3 3 3 72 0 3 3 3 3 0 0 2 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 245101 234209 232797 225385 237914 154735 234299 77004 234617 183422 232436 235738 234781 211351 234197 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 12770 12735 12670 12526 12743 9251 12726 5216 12712 9982 12700 0 12692 11959 12692 APNIC 3018 3009 2985 2931 3007 2419 2991 1614 3007 2675 2997 0 2981 2718 2986 RIPE NCC 10144 10100 10109 10025 10119 8100 10088 5925 10102 9006 10077 0 10111 9580 10064 LACNIC 355 353 346 342 351 303 353 204 352 332 353 0 354 353 343 AFRINIC 66 66 66 66 66 60 66 48 66 64 66 0 66 64 66 IANA 1 1 0 1 0 0 0 0 0 0 1 0 0 0 0 Private 66 44 38 6 50 19 44 12 38 14 19 0 36 19 21 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 26421 26308 26215 25897 26336 20152 26268 13019 26277 22073 26214 0 26240 24693 26172 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 4076 4807 4696 8406 4651 4301 5587 2191 5417 5255 5229 0 5171 5099 6121 APNIC 855 1035 1012 1791 1000 971 1146 599 1249 1308 1199 0 1098 1015 1448 RIPE NCC 3096 3627 3712 6869 3523 3386 4085 2715 4195 4228 4480 0 3784 4138 5279 LACNIC 140 151 152 220 141 144 167 91 160 169 160 0 169 162 158 AFRINIC 38 41 40 46 39 38 41 31 40 40 41 0 40 42 42 IANA 1 1 0 1 0 0 0 0 0 0 1 0 0 0 0 Private 47 31 29 5 35 9 33 8 28 7 11 0 26 13 14 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8253 9693 9641 17338 9389 8849 11059 5635 11089 11007 11122 0 10288 10469 13062 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8694 7928 7974 4120 8092 4950 7139 3025 7295 4727 7471 0 7521 6860 6571 APNIC 2163 1974 1973 1140 2007 1448 1845 1015 1758 1367 1798 0 1883 1703 1538 RIPE NCC 7048 6473 6397 3156 6596 4714 6003 3210 5907 4778 5597 0 6327 5442 4785 LACNIC 215 202 194 122 210 159 186 113 192 163 193 0 185 191 185 AFRINIC 28 25 26 20 27 22 25 17 26 24 25 0 26 22 24 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 19 13 9 1 15 10 11 4 10 7 8 0 10 6 7 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 18168 16615 16574 8559 16947 11303 15209 7384 15188 11066 15092 0 15952 14224 13110 IANA : AS65535 Number of 4-byte ASes: 8. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 21987 22069 22006 22330 22036 16471 22098 10080 22121 18334 22105 0 22127 20663 22228 Transit 4301 4122 4076 3491 4171 3206 4050 2126 4036 3444 3995 0 3997 3803 3828 Transit-only 147 130 140 80 140 488 130 819 131 302 125 0 122 237 122 Total 26435 26321 26222 25901 26347 20165 26278 13025 26288 22080 26225 0 26246 24703 26178 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.37 6.56 5.96 5.05 6.29 6.38 6.19 6.09 6.50 6.36 5.85 0.00 6.69 5.99 6.90 Std 2.68 2.72 2.64 2.10 2.73 2.64 2.66 2.56 2.88 2.64 2.70 0.00 2.49 2.80 2.53 o List of martians appearing throughout the week. Prefix Origin AS 10.1.2.0/24 6837 10.1.3.0/24 6837 10.20.52.4/30 6837 10.193.14.96/27 34245 172.16.2.2/32 8447 172.16.91.64/30 8447 172.16.91.148/30 8447 172.16.91.164/30 8447 172.16.91.168/30 8447 172.17.52.4/30 8447 172.17.52.80/30 8447 172.17.52.128/30 8447 172.17.52.144/30 8447 172.17.52.160/30 8447 172.17.52.184/30 8447 172.17.52.228/30 8447 172.17.52.240/30 8447 172.17.53.4/30 8447 172.17.53.40/30 8447 172.17.53.60/30 8447 172.17.53.80/30 8447 172.17.53.104/30 8447 172.17.53.116/30 8447 172.17.53.124/30 8447 172.17.53.128/30 8447 172.17.53.148/30 8447 172.17.53.176/30 8447 172.17.53.224/30 8447 172.17.54.4/30 8447 172.17.54.16/30 8447 172.17.91.0/24 8447 172.18.91.8/29 8447 172.19.91.128/28 8447 172.19.91.144/28 8447 172.19.91.176/29 8447 172.19.91.184/29 8447 172.20.16.6/32 8447 172.21.152.0/21 8447 172.21.160.0/21 8447 172.22.16.0/20 8447 172.22.147.128/25 8447 172.22.151.128/25 8447 172.22.153.0/25 8447 172.22.155.0/25 8447 172.22.155.128/25 8447 172.28.68.3/32 8447 172.28.68.76/32 8447 172.28.68.77/32 8447 172.28.68.78/32 8447 172.28.68.162/32 8447 172.28.68.163/32 8447 172.28.68.164/32 8447 172.28.68.165/32 8447 172.28.68.166/32 8447 172.28.68.167/32 8447 172.28.68.168/32 8447 172.28.68.169/32 8447 172.28.68.170/32 8447 172.28.68.171/32 8447 172.28.68.200/32 8447 172.28.68.201/32 8447 172.28.68.202/32 8447 172.28.68.203/32 8447 172.28.68.204/32 8447 172.28.68.205/32 8447 172.28.68.206/32 8447 172.28.68.209/32 8447 172.28.68.210/32 8447 172.28.68.211/32 8447 172.28.68.212/32 8447 172.28.68.213/32 8447 192.0.2.0/24 2854 192.168.95.48/28 8447 192.168.95.64/28 8447 192.168.108.0/24 34245 192.168.118.0/24 34245 o List of hot-spots during the week. Prefix Origin AS Number of updates 203.34.88.0/24 18117 1634012 194.110.73.0/24 30850 610739 62.24.238.0/24 13285 555755 194.88.240.0/23 2128 482050 193.242.111.0/24 2128 481954 124.7.157.0/24 9583 354058 213.163.96.0/19 8661 325648 221.135.253.0/24 9583 316173 89.31.155.0/24 41688 287932 89.31.154.0/24 41688 270624 Total number of RIS BGP peering sessions: 583