RIS Statistics Report (20040726-20040802) This report was generated at Mon Aug 2 00:15:01 UTC 2004. 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 rrc11 rrc12 APNIC 26874 26866 25620 3988 26044 25617 23173 26189 25690 15652 25169 10270 25467 ARIN 65346 65312 64110 4474 65060 59897 53461 59762 64458 23675 58907 16483 64379 LACNIC 6120 6120 6090 615 6108 6110 5595 6114 6090 2324 6090 2585 6090 RIPE NCC 25307 24539 23800 7170 24347 23652 18931 23316 24389 9105 21555 11608 24109 OLD 31663 31566 30076 3736 31193 30099 25919 30022 29966 12073 28688 8894 29937 IANA 1042 1018 1021 194 1016 943 667 877 1023 252 892 440 1013 RFC1918 0 0 0 0 0 0 0 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 156352 155421 150717 20177 153768 146318 127746 146280 151616 63081 141301 50280 150995 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 rrc11 rrc12 ARIN 10150 10139 10036 85 10095 10084 9332 10036 10016 5265 10000 4565 10027 APNIC 2059 2057 2042 24 2056 2026 1950 2033 2018 1419 2030 1108 2031 RIPE NCC 5746 5722 5724 917 5730 5697 4794 5675 5708 2691 5127 3595 5729 LACNIC 62 62 57 2 61 62 61 62 57 30 57 36 57 IANA 3 3 3 0 3 3 2 3 3 3 3 2 3 Private 28 15 10 1 20 5 10 6 11 4 6 8 11 Others 1 0 0 0 1 0 0 0 0 0 0 0 0 Total 18049 17998 17872 1029 17966 17877 16149 17815 17813 9412 17223 9314 17858 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 rrc12 ARIN 2982 3186 4078 41 3361 4492 4427 5886 3745 3333 4745 1937 4215 APNIC 512 581 794 19 608 975 882 1128 720 827 956 455 802 RIPE NCC 1620 1867 1982 490 1827 2686 1836 3374 2181 1638 2244 1459 2230 LACNIC 23 23 23 2 26 29 28 35 23 23 26 15 25 IANA 1 2 2 0 2 2 1 2 2 2 2 0 2 Private 20 11 8 0 16 3 7 4 9 4 4 7 7 Others 1 0 0 0 1 0 0 0 0 0 0 0 0 Total 5159 5670 6887 552 5841 8187 7181 10429 6680 5827 7977 3873 7281 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 rrc12 ARIN 7168 6953 5958 44 6734 5592 4905 4150 6271 1932 5255 2628 5812 APNIC 1547 1476 1248 5 1448 1051 1068 905 1298 592 1074 653 1229 RIPE NCC 4126 3855 3742 427 3903 3011 2958 2301 3527 1053 2883 2136 3499 LACNIC 39 39 34 0 35 33 33 27 34 7 31 21 32 IANA 2 1 1 0 1 1 1 1 1 1 1 2 1 Private 8 4 2 1 4 2 3 2 2 0 2 1 4 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 12890 12328 10985 477 12125 9690 8968 7386 11133 3585 9246 5441 10577 IANA : AS32772 AS63330 AS32787 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 rrc12 Leaf 14880 14940 14943 659 14910 15074 13346 15207 14960 7820 14469 7232 14949 Transit 3054 2948 2823 160 2945 2710 2514 2516 2753 1230 2591 1471 2802 Transit-only 115 110 106 210 111 93 289 92 100 362 163 611 107 Total 18049 17998 17872 1029 17966 17877 16149 17815 17813 9412 17223 9314 17858 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 rrc12 Avg 6.12 5.80 5.72 5.94 6.35 5.91 6.46 6.10 6.27 5.20 5.91 6.30 6.14 Std 2.87 2.49 2.74 3.47 3.11 2.37 3.09 2.33 2.48 2.37 2.47 2.46 3.01 o List of martians appearing throughout the week. There is no martians this week :) Can not connect to DB rrc08 Total number of RIS BGP peering sessions: 424