RIS Statistics Report (20031118-20031124) This report was generated at Mon Nov 24 00:15:02 UTC 2003. 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 rrc08 rrc10 APNIC 22760 22727 20655 14195 22276 21892 22017 14062 22150 18764 21766 ARIN 56996 56871 54415 34071 56802 55502 56601 23935 55549 41963 54678 LACNIC 5174 5171 4802 3643 5118 5141 5088 2916 5169 3853 5070 RIPE NCC 35825 20874 17989 15079 34650 20311 20618 13857 21148 15845 20359 OLD 30321 29467 26689 16152 29487 28887 28867 13125 29276 23089 27998 IANA 3 2 1 1 2 1 1 1 1 1 1 RFC1918 2 0 1 0 1 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 TOTAL 151081 135112 124552 83141 148336 131734 133192 67896 133293 103515 129872 AS number distributions wrt RIR and single-homed/multi-homed. o ASes per RIR region RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 9518 9495 9131 6896 9479 9451 9462 5357 9472 8279 9386 APNIC 1916 1902 1848 1523 1914 1887 1903 1347 1891 1749 1898 RIPE NCC 5011 4975 4550 4047 4994 4956 4983 3769 4972 4307 4966 LACNIC 41 40 39 35 41 40 41 31 40 36 38 IANA 2 2 2 2 2 2 2 2 2 2 2 Private 28 21 16 13 22 13 18 16 13 8 13 Others 1 1 1 1 1 1 1 1 1 0 1 Total 16517 16436 15587 12517 16453 16350 16410 10523 16391 14381 16304 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 2932 3208 4031 2987 3315 5374 3806 2561 3967 4409 5179 APNIC 557 609 733 633 662 1004 744 531 720 848 983 RIPE NCC 1441 1748 1878 1742 1720 2619 2073 1732 2036 2031 2342 LACNIC 20 20 22 23 21 24 23 20 20 18 22 IANA 0 2 2 2 1 2 1 2 2 2 2 Private 13 9 5 3 8 3 7 7 3 3 3 Others 0 0 0 0 0 0 0 0 0 0 0 Total 4963 5596 6671 5390 5727 9026 6654 4853 6748 7311 8531 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 6586 6287 5100 3909 6164 4077 5656 2796 5505 3870 4207 APNIC 1359 1293 1115 890 1252 883 1159 816 1171 901 915 RIPE NCC 3570 3227 2672 2305 3274 2337 2910 2037 2936 2276 2624 LACNIC 21 20 17 12 20 16 18 11 20 18 16 IANA 2 0 0 0 1 0 1 0 0 0 0 Private 15 12 11 10 14 10 11 9 10 5 10 Others 1 1 1 1 1 1 1 1 1 0 1 Total 11554 10840 8916 7127 10726 7324 9756 5670 9643 7070 7773 IANA : AS30732 AS30726 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Leaf 13665 13741 13034 10267 13726 13916 13737 8372 13803 12028 13814 Transit 2747 2600 2405 1924 2624 2343 2574 1681 2496 2093 2402 Transit-only 105 95 148 326 103 91 99 470 92 260 88 Total 16517 16436 15587 12517 16453 16350 16410 10523 16391 14381 16304 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Avg 6.06 5.89 5.77 5.70 6.17 6.06 5.77 6.30 6.26 5.51 6.01 Std 2.40 2.41 2.46 2.46 2.39 2.43 2.40 2.20 2.34 2.43 2.37 o List of martians appearing throughout the week. Prefix Origin AS 172.16.0.0/24 8548 192.168.2.132/30 2200 o List of hot-spots during the week. Prefix Origin AS Number of updates 192.55.84.0/24 6666 285345 82.108.0.0/14 4589 129938 209.32.168.0/21 14367 120778 204.221.80.0/20 14367 120755 170.16.0.0/16 3762 106062 207.191.56.0/24 4519 99423 207.191.47.0/24 4519 99360 205.136.140.0/24 19029 65860 69.41.56.0/24 19197 28492 69.41.54.0/24 19197 26551 Total number of RIS BGP peering sessions: 327