RIS Statistics Report (20041227-20050103) This report was generated at Mon Jan 3 00:15:01 UTC 2005. 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 APNIC 29025 28983 20641 404 28032 13799 11622 28334 27371 27462 22241 13806 ARIN 65143 64356 37080 339 61788 14402 12291 61007 60231 59914 50658 22317 LACNIC 7280 7262 5105 437 7263 3850 3457 7254 7228 7221 6792 3324 RIPE NCC 27733 26528 18080 3734 26795 12796 12750 24695 22881 22218 18049 14596 OLD 40074 39631 21776 502 33888 10995 10174 32127 31246 31242 27146 12455 IANA 2534 2449 1730 214 2514 1134 1130 2403 2275 1933 1801 1364 RFC1918 21 2 0 0 20 0 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 171810 169211 104412 5630 160300 56976 51424 155820 151232 149990 126687 67862 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 ARIN 10586 10561 8077 222 10531 4365 3991 10455 10416 10392 9093 5160 APNIC 2152 2149 1889 26 2146 1323 1158 2124 2113 2109 1604 1388 RIPE NCC 6201 6186 5076 1659 6188 4102 4102 6143 5650 5555 4658 4444 LACNIC 94 90 78 4 92 67 58 91 89 89 84 57 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 27 22 11 2 19 10 11 8 14 5 5 9 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 19060 19008 15131 1913 18976 9867 9320 18821 18282 18150 15444 11058 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 3229 3345 3668 123 3711 1716 1417 6809 5049 6517 5008 2220 APNIC 608 644 876 21 702 523 389 1240 976 1218 833 581 RIPE NCC 1803 2137 2089 933 1964 1620 1428 3953 2465 2824 2445 1622 LACNIC 45 42 40 4 46 41 34 59 48 56 53 31 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 20 16 5 0 12 5 5 6 9 3 2 4 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 5705 6184 6678 1081 6435 3905 3273 12067 8547 10618 8341 4458 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 7357 7216 4409 99 6820 2649 2574 3646 5367 3875 4085 2940 APNIC 1544 1505 1013 5 1444 800 769 884 1137 891 771 807 RIPE NCC 4398 4049 2987 726 4224 2482 2674 2190 3185 2731 2213 2822 LACNIC 49 48 38 0 46 26 24 32 41 33 31 26 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 7 6 6 2 7 5 6 2 5 2 3 5 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 13355 12824 8453 832 12541 5962 6047 6754 9735 7532 7103 6600 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Leaf 15809 15888 12405 1326 15838 7541 6963 16167 15449 15403 12991 8586 Transit 3137 3013 2408 309 3028 1772 1737 2573 2691 2620 2093 1930 Transit-only 114 107 318 278 110 554 620 81 142 127 360 542 Total 19060 19008 15131 1913 18976 9867 9320 18821 18282 18150 15444 11058 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Avg 6.04 5.63 6.12 5.13 6.11 6.51 6.34 5.90 6.31 5.92 6.16 6.46 Std 2.60 2.40 2.72 2.65 2.61 2.91 2.82 2.31 2.56 2.47 2.17 2.81 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/24 28747 10.6.6.0/24 28747 10.10.11.0/24 20755 10.31.2.0/24 28747 10.32.2.0/24 28747 10.44.0.0/24 28747 10.44.2.0/24 28747 172.16.0.0/12 28747 172.16.2.0/24 6325 172.16.66.7/32 28747 172.20.20.1/32 25137 192.0.2.0/24 28747 192.168.0.0/16 28747 192.168.50.0/24 20755 192.168.66.67/32 28747 192.168.66.68/32 28747 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.191.0/24 5417 192.168.251.121/32 15404 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.64.40.0/24 2706 404064 193.73.62.0/24 6730 319475 209.182.81.0/24 19071 306459 216.243.234.0/23 10970 258520 209.114.254.0/24 14359 257931 137.100.142.0/24 209 219210 202.64.49.0/24 2706 190080 202.64.159.0/24 2706 177879 217.79.16.0/21 30852 116451 165.220.0.0/16 3550 106501 Total number of RIS BGP peering sessions: 446