RIS Statistics Report (20060313-20060320) This report was generated at Mon Mar 20 00:15:02 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 35860 35126 35290 0 34768 34400 31884 22508 34200 32338 34539 34431 34275 18633 ARIN 67431 66396 66059 150 66708 66909 54198 35947 65333 64528 66523 66225 66489 22665 LACNIC 8813 8781 8689 1234 8677 8789 7636 7110 8661 8623 8705 8706 8744 5279 RIPE NCC 31115 29056 29314 502 29564 29928 19613 16767 28975 27657 29018 30278 29257 13949 OLD 35867 35167 34317 274 35116 35297 28788 17966 34178 33946 34380 34640 34726 14720 IANA 12243 11873 11892 47 11922 11912 9452 6490 11729 11626 11859 11997 11869 5229 RFC1918 12 3 1 0 5 0 0 0 0 0 0 3 0 0 AFRINIC 82 82 82 73 82 82 79 78 81 81 82 82 82 81 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 191423 186484 185644 2280 186842 187317 151650 106866 183157 178799 185106 186362 185442 80556 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 11584 11545 11479 141 11521 11535 10359 8103 11397 11382 8912 11474 11496 5906 APNIC 2490 2465 2478 0 2478 2461 2388 1650 2443 2419 2129 2471 2447 1623 RIPE NCC 7858 7814 7830 200 7830 7819 6162 5629 7760 7651 7050 7830 7823 4975 LACNIC 194 194 188 22 188 190 182 169 186 187 171 188 190 139 AFRINIC 8 8 8 0 8 8 7 6 8 8 8 8 8 7 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 48 23 16 0 29 13 15 4 8 3 14 17 17 13 Others 1 1 0 0 0 0 0 0 0 0 0 0 0 0 Total 22183 22050 21999 363 22054 22026 19113 15561 21802 21650 18284 21988 21981 12663 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 3574 4563 4290 74 4328 5777 5309 5266 6846 6895 4050 5063 5193 3672 APNIC 726 1009 821 0 861 1119 1111 946 1341 1442 880 965 954 852 RIPE NCC 2266 3097 2788 163 2655 3391 2380 3593 4318 4416 3041 2959 3254 2817 LACNIC 81 86 86 15 85 105 89 122 118 122 82 87 95 90 AFRINIC 3 3 4 0 4 3 3 4 4 4 4 4 4 5 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 40 16 11 0 23 9 11 3 7 3 10 12 11 12 Others 1 1 0 0 0 0 0 0 0 0 0 0 0 0 Total 6691 8775 8000 252 7956 10404 8903 9934 12634 12882 8067 9090 9511 7448 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 8010 6982 7189 67 7193 5758 5050 2837 4551 4487 4862 6411 6303 2234 APNIC 1764 1456 1657 0 1617 1342 1277 704 1102 977 1249 1506 1493 771 RIPE NCC 5592 4717 5042 37 5175 4428 3782 2036 3442 3235 4009 4871 4569 2158 LACNIC 113 108 102 7 103 85 93 47 68 65 89 101 95 49 AFRINIC 5 5 4 0 4 5 4 2 4 4 4 4 4 2 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 8 7 5 0 6 4 4 1 1 0 4 5 6 1 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 15492 13275 13999 111 14098 11622 10210 5627 9168 8768 10217 12898 12470 5215 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Leaf 18380 18500 18442 285 18479 18596 15837 13037 18726 18595 15041 18483 18524 10140 Transit 3679 3441 3442 62 3469 3337 2967 2103 3002 2954 2940 3393 3344 1982 Transit-only 124 109 115 16 106 93 309 421 74 101 303 112 113 541 Total 22183 22050 21999 363 22054 22026 19113 15561 21802 21650 18284 21988 21981 12663 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Avg 6.25 6.22 5.91 4.93 5.95 6.05 6.20 4.90 4.99 4.99 6.24 6.27 7.70 5.01 Std 2.67 2.62 2.56 3.43 2.58 2.58 2.73 1.92 1.84 1.94 2.74 2.72 2.64 2.14 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/30 8342 10.20.10.20/32 5381 10.20.10.21/32 5381 10.20.10.22/32 5381 10.232.0.0/16 32767 172.16.0.0/12 16215 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 195.8.99.0/24 34409 235367 80.95.184.0/21 31641 195585 199.181.158.0/23 4595 194988 193.164.226.0/23 15414 159748 61.4.0.0/19 9899 150688 62.24.238.0/24 13285 139360 66.151.190.0/24 27382 102427 203.25.73.0/24 4854 92827 204.201.21.0/24 20096 83706 142.217.44.0/22 35911 79833 Total number of RIS BGP peering sessions: 573