RIS Statistics Report (20050117-20050124) This report was generated at Mon Jan 24 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 rrc14 APNIC 29408 29398 27571 274 28497 28148 28275 28694 27193 23881 27634 28125 1 ARIN 61814 61136 59258 827 61414 60535 60544 60806 52680 44066 59684 60183 6 LACNIC 7243 7226 7191 598 7230 7226 7226 7215 7086 5250 7107 7201 0 RIPE NCC 27912 26383 23844 9397 26877 25341 25717 25021 20686 20836 23815 25457 0 OLD 34623 34087 31666 2278 34041 33111 33031 33368 28630 24601 31712 32462 6 IANA 2923 2830 2660 642 2909 2789 2732 2779 2376 2210 2667 2830 0 RFC1918 14 6 0 0 8 5 0 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 163937 161066 152190 14016 160976 157155 157525 157883 138651 120844 152619 156258 13 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 rrc14 ARIN 10631 10619 10451 421 10577 10582 10585 10505 9858 8190 10444 10524 0 APNIC 2174 2171 2125 51 2169 2153 2149 2134 2076 1957 2113 2147 0 RIPE NCC 6293 6271 6060 3192 6274 6256 6263 6224 5637 5618 5925 6267 0 LACNIC 91 90 86 7 90 90 91 89 85 78 85 86 0 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 32 24 15 3 23 17 15 10 16 10 12 14 0 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 19221 19175 18737 3674 19133 19098 19103 18962 17672 15853 18579 19038 0 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 2995 3194 3743 296 3314 4373 4716 6140 4133 3837 5152 4049 0 APNIC 559 600 770 32 650 847 917 1148 811 1021 1164 867 0 RIPE NCC 1748 2021 2273 2170 1881 2433 2530 3546 2200 2341 3070 2237 0 LACNIC 43 43 45 7 43 51 53 58 45 46 54 47 0 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 23 16 8 1 15 8 8 7 10 5 7 7 0 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 5368 5874 6839 2506 5903 7712 8224 10899 7199 7250 9447 7207 0 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 7636 7425 6708 125 7263 6209 5869 4365 5725 4353 5292 6475 0 APNIC 1615 1571 1355 19 1519 1306 1232 986 1265 936 949 1280 0 RIPE NCC 4545 4250 3787 1022 4393 3823 3733 2678 3437 3277 2855 4030 0 LACNIC 48 47 41 0 47 39 38 31 40 32 31 39 0 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 9 8 7 2 8 9 7 3 6 5 5 7 0 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 13853 13301 11898 1168 13230 11386 10879 8063 10473 8603 9132 11831 0 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.64.40.0/24 2706 422587 202.64.159.0/24 2706 279464 193.73.62.0/24 6730 252990 216.243.234.0/23 10970 251822 209.114.254.0/24 14359 220404 137.100.142.0/24 209 202950 209.246.156.0/22 11178 201469 198.76.148.0/24 21617 136023 194.190.8.0/24 2878 117172 198.76.141.0/24 21617 116442 Total number of RIS BGP peering sessions: 453