RIS Statistics Report (20070101-20070108) This report was generated at Mon Jan 8 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 44808 43282 42907 1752 44288 42844 42766 43955 43691 42550 44149 44241 42762 31338 42966 ARIN 78612 77357 76208 16789 77877 76648 75023 76983 75869 75149 76336 77025 73115 45912 76729 LACNIC 14735 11775 11722 2200 11775 11734 11734 11800 11730 11728 11717 11754 10570 7189 14662 RIPE NCC 44279 40762 40471 3571 43039 40593 40008 40020 41549 40150 42111 42835 38269 28753 40520 AfriNIC 239 239 239 90 239 239 238 238 238 238 239 239 232 182 239 Old 40057 37386 36455 4747 38148 37514 36486 37058 36590 36242 37432 38145 36238 23656 36548 IANA 62 9 8 1 8 61 8 8 9 8 8 8 7 5 8 RFC1918 15 3 1 0 9 3 0 0 1 0 1 1 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 222807 210813 208011 29150 215383 209636 206263 210062 209677 206065 211993 214248 201193 137035 211672 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 12221 12146 30 2321 12176 12122 12103 12110 12106 12071 12099 12194 11990 8960 12079 APNIC 2793 2783 2 231 2788 2762 2763 2767 2772 2753 2774 2787 2708 2066 2752 RIPE NCC 9063 9015 32 1070 9049 9005 8874 8968 9024 8989 9008 9027 8619 7373 8985 LACNIC 275 270 0 54 273 267 267 271 269 267 267 273 253 194 268 AFRINIC 31 31 0 6 31 31 31 31 31 31 31 31 31 29 31 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 64 31 0 0 43 27 20 16 25 15 29 32 19 29 22 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 24449 24278 64 3682 24362 24216 24060 24165 24229 24128 24210 24346 23622 18653 24139 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3632 4741 12 1853 4144 6379 6290 6728 5270 7158 4783 4401 5011 4822 5232 APNIC 804 997 1 176 929 1198 1278 1373 1090 1270 1216 965 1043 935 1158 RIPE NCC 2876 3394 17 850 3060 4568 4055 5448 3652 5059 3694 3233 3655 3481 4217 LACNIC 120 131 0 47 128 152 152 169 142 165 146 133 129 110 144 AFRINIC 19 19 0 6 20 20 21 20 21 21 20 21 21 18 20 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 46 17 0 0 30 18 12 10 18 10 20 20 11 20 15 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7497 9300 30 2932 8311 12336 11809 13750 10193 13684 9880 8773 9871 9387 10787 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8589 7405 18 468 8032 5743 5813 5382 6836 4913 7316 7793 6979 4138 6847 APNIC 1989 1786 1 55 1859 1564 1485 1394 1682 1483 1558 1822 1665 1131 1594 RIPE NCC 6187 5621 15 220 5989 4437 4819 3520 5372 3930 5314 5794 4964 3892 4768 LACNIC 155 139 0 7 145 115 115 102 127 102 121 140 124 84 124 AFRINIC 12 12 0 0 11 11 10 11 10 10 11 10 10 11 11 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 18 14 0 0 13 9 8 6 7 5 9 12 8 9 7 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 16952 14978 34 750 16051 11880 12251 10415 14036 10444 14330 15573 13751 9266 13352 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 20397 20447 26 3026 20444 20557 20339 20752 20515 20612 20474 20463 20017 15372 20582 Transit 3931 3720 18 508 3808 3552 3599 3318 3610 3410 3625 3762 3418 2887 3457 Transit-only 129 117 20 148 116 112 127 97 107 106 114 127 190 399 103 Total 24457 24284 64 3682 24368 24221 24065 24167 24232 24128 24213 24352 23625 18658 24142 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.26 6.44 3.51 5.33 5.91 6.25 6.15 5.40 6.20 5.67 5.89 6.10 7.37 5.79 6.35 Std 2.83 3.06 1.75 1.66 3.02 2.73 2.61 2.24 2.78 2.38 2.51 3.03 2.49 2.71 2.22 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/24 25525 10.20.90.0/24 23352 10.42.0.0/27 9009 10.88.1.0/24 9009 10.250.250.0/24 23352 172.16.0.0/12 16215 172.26.202.232/32 8434 192.0.2.0/24 2854 192.168.0.0/16 16215 192.168.1.1/32 13005 192.168.3.0/24 13005 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 572642 64.201.12.0/24 33188 570557 210.56.54.0/24 38197 459795 62.24.238.0/24 13285 412082 204.94.124.0/24 4755 337979 194.42.208.0/20 705 214357 192.96.13.0/24 16637 164210 192.96.14.0/24 16637 164207 193.41.237.0/24 16209 163754 193.242.111.0/24 2128 110098 Total number of RIS BGP peering sessions: 596