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RIS Statistics Report
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Generic RIS account
risops at ripe.net
Tue Feb 1 10:57:36 CET 2005
RIS Statistics Report (20050124-20050131) This report was generated at Mon Jan 31 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 30108 30092 28713 212 29215 28975 25907 29404 29010 28505 28572 28829 1 ARIN 64001 63329 62414 670 63677 61247 48285 62959 61562 60550 60634 62954 6 LACNIC 7220 7204 6844 1104 7193 7204 5585 7204 7186 7170 7170 7186 0 RIPE NCC 28167 26670 24174 6680 27615 25915 21123 25494 26474 25870 25960 26788 0 OLD 33599 33083 31155 1379 33176 32463 25146 32416 32133 31528 31492 32086 6 IANA 3045 2960 2821 509 3030 2926 2391 2927 2897 2854 2864 2945 0 RFC1918 13 6 0 0 8 5 0 0 0 0 1 1 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 166153 163344 156121 10554 163914 158735 128437 160404 159262 156477 156693 160789 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 10673 10640 10520 298 10618 10607 9004 10521 10525 10506 10474 10555 4 APNIC 2183 2177 2157 20 2179 2168 1988 2157 2152 2143 2133 2159 2 RIPE NCC 6320 6286 6086 2440 6301 6278 5616 6241 6277 6274 6256 6289 0 LACNIC 98 98 92 5 97 98 90 95 94 94 93 94 0 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 38 30 19 2 28 19 17 12 23 10 13 21 0 Others 1 0 1 0 1 0 1 0 1 0 0 1 0 Total 19313 19231 18875 2765 19224 19170 16716 19026 19072 19027 18969 19119 6 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 3006 3195 3640 208 3228 3938 3453 6078 3516 4660 5189 3581 3 APNIC 551 622 713 17 623 818 797 1199 757 976 1125 706 1 RIPE NCC 1717 2036 2175 1478 1853 2447 1897 3460 2185 2667 3079 1986 0 LACNIC 50 50 50 5 50 56 49 62 50 55 61 51 0 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 26 21 9 0 16 10 9 8 14 4 8 11 0 Others 1 0 1 0 1 0 1 0 1 0 0 1 0 Total 5351 5924 6588 1708 5771 7269 6206 10807 6523 8362 9462 6336 4 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 7667 7445 6880 90 7390 6669 5551 4443 7009 5846 5285 6974 1 APNIC 1632 1555 1444 3 1556 1350 1191 958 1395 1167 1008 1453 1 RIPE NCC 4603 4250 3911 962 4448 3831 3719 2781 4092 3607 3177 4303 0 LACNIC 48 48 42 0 47 42 41 33 44 39 32 43 0 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 12 9 10 2 12 9 8 4 9 6 5 10 0 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 13962 13307 12287 1057 13453 11901 10510 8219 12549 10665 9507 12783 2 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 Leaf 15946 15995 15726 2078 15956 16076 13677 16226 15984 16026 16079 15932 4 Transit 3236 3110 3008 484 3143 2989 2764 2701 2975 2884 2794 3065 1 Transit-only 131 126 141 203 125 105 275 99 113 117 96 122 1 Total 19313 19231 18875 2765 19224 19170 16716 19026 19072 19027 18969 19119 6 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 Avg 6.09 5.94 5.95 5.04 6.10 6.18 6.27 6.13 6.13 5.90 6.10 6.05 2.33 Std 2.65 2.54 2.68 2.49 2.66 2.77 2.92 2.45 2.51 2.47 2.34 2.72 0.75 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.64.40.0/24 2706 441560 202.64.49.0/24 2706 437901 193.73.62.0/24 6730 255820 219.64.224.0/21 4755 249407 216.243.234.0/23 10970 219262 203.81.64.0/19 9988 196191 209.114.254.0/24 14359 181718 219.64.226.0/23 4755 174131 219.64.224.0/23 4755 173426 202.64.159.0/24 2706 170907 Total number of RIS BGP peering sessions: 458
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