RIS Statistics Report (20060403-20060410) This report was generated at Mon Apr 10 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 APNIC 37023 36876 35454 0 35807 32035 35273 17801 26802 29405 31988 34316 35459 25567 ARIN 70822 70619 69290 188 69849 54039 69199 19206 43160 48267 64621 65943 70284 45443 LACNIC 11348 11327 11046 1016 11079 10153 11180 4304 8116 7839 10511 8670 11103 9505 RIPE NCC 31567 30204 29497 723 30018 25897 29410 14291 19689 26731 25317 29880 29756 20886 OLD 36141 35738 33999 262 34980 27187 34745 9989 22100 24562 31401 34489 35383 34535 IANA 13093 12757 12647 77 12831 11203 12659 5279 9053 9731 11658 12389 12744 12048 RFC1918 27 12 10 0 8 3 3 0 0 0 1 3 9 0 AFRINIC 90 90 89 70 90 88 90 75 78 90 86 89 90 90 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 200111 197623 192032 2336 194662 160605 192559 70945 128998 146625 175583 185779 194828 148074 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 ARIN 11614 11596 11498 130 11541 9437 11528 4899 8299 9487 10834 11438 11526 10222 APNIC 2512 2507 2495 0 2499 2239 2482 1396 1891 2144 2320 2468 2472 2222 RIPE NCC 7923 7876 7876 228 7876 7132 7867 4990 6089 7574 7240 7833 7887 6963 LACNIC 198 197 193 19 193 176 196 111 169 153 187 189 195 191 AFRINIC 11 11 11 0 11 11 11 8 8 10 11 10 11 11 IANA 3 3 3 0 2 2 2 2 2 2 2 0 2 2 Private 60 23 17 0 25 13 14 4 4 3 11 9 13 32 Others 1 1 1 0 1 1 1 0 1 1 1 1 1 0 Total 22322 22214 22094 377 22148 19011 22101 11410 16463 19374 20606 21948 22107 19643 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 3380 3816 4265 76 4113 4779 5197 3213 5479 6017 4865 5132 5524 6274 APNIC 697 778 829 0 842 1006 1004 790 1063 1199 898 1112 1094 1015 RIPE NCC 2267 2686 2907 190 2639 3080 3151 3178 3619 4311 3086 3188 3337 4155 LACNIC 78 82 88 15 85 95 92 70 114 100 95 105 99 119 AFRINIC 7 7 7 0 7 7 7 6 5 6 7 6 7 7 IANA 3 3 3 0 2 2 2 2 2 2 2 0 2 2 Private 51 17 12 0 16 7 7 3 3 2 7 5 6 31 Others 0 1 1 0 0 1 1 0 1 1 1 1 1 0 Total 6483 7390 8112 281 7704 8977 9461 7262 10286 11638 8961 9549 10070 11603 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 8234 7780 7233 54 7428 4658 6331 1686 2820 3470 5969 6306 6002 3948 APNIC 1815 1729 1666 0 1657 1233 1478 606 828 945 1422 1356 1378 1207 RIPE NCC 5656 5190 4969 38 5237 4052 4716 1812 2470 3263 4154 4645 4550 2808 LACNIC 120 115 105 4 108 81 104 41 55 53 92 84 96 72 AFRINIC 4 4 4 0 4 4 4 2 3 4 4 4 4 4 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 9 6 5 0 9 6 7 1 1 1 4 4 7 1 Others 1 0 0 0 1 0 0 0 0 0 0 0 0 0 Total 15839 14824 13982 96 14444 10034 12640 4148 6177 7736 11645 12399 12037 8040 IANA : AS64501 AS64500 AS43144 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Leaf 18487 18556 18489 294 18490 15749 18569 9107 13742 16384 17212 18592 18674 16652 Transit 3711 3543 3486 59 3537 3018 3422 1750 2365 2843 3195 3260 3336 2736 Transit-only 124 115 119 24 121 244 110 553 356 147 199 96 97 255 Total 22322 22214 22094 377 22148 19011 22101 11410 16463 19374 20606 21948 22107 19643 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Avg 6.16 6.01 5.91 4.53 6.03 6.10 5.90 5.16 5.10 5.10 6.11 5.47 7.69 4.76 Std 2.64 2.45 2.58 2.82 2.61 2.54 2.59 1.97 1.92 1.92 2.73 2.37 2.75 1.87 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 16215 10.0.0.11/32 21225 10.0.0.55/32 21225 10.0.0.197/32 21225 10.1.0.0/20 1103 10.1.1.4/30 21225 10.2.0.0/20 1103 10.3.1.0/24 3644 10.4.1.0/24 1103 10.12.0.0/24 21225 10.12.0.4/30 21225 10.12.0.8/30 21225 10.100.0.0/29 21225 10.136.2.0/24 1103 10.136.3.0/24 1103 10.136.4.0/22 1103 10.200.0.0/16 1103 172.16.0.0/12 16215 172.16.2.0/27 6325 172.16.2.32/27 6325 172.16.2.80/28 6325 172.17.73.32/30 8447 172.31.31.0/30 6325 192.0.2.0/24 16215 192.168.0.0/16 16215 192.168.1.0/24 32767 192.168.10.0/24 32767 o List of hot-spots during the week. Prefix Origin AS Number of updates 196.221.1.0/24 36893 272019 62.24.238.0/24 13285 172537 199.181.158.0/23 4595 167694 193.164.226.0/23 15414 118928 204.201.21.0/24 20096 101062 195.14.9.0/24 39017 75845 193.232.248.0/24 6697 72328 64.28.114.0/24 20385 66574 194.153.160.0/21 13152 65868 209.140.24.0/24 3043 58675 Total number of RIS BGP peering sessions: 583