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RIS Statistics Report
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Generic RIS account
risops at ripe.net
Mon Feb 28 16:26:35 CET 2005
RIS Statistics Report (20050221-20050228) This report was generated at Mon Feb 28 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 29959 29696 28518 149 29249 28911 29038 29433 25095 19716 12969 29168 28858 ARIN 67202 65823 58685 453 62368 61849 62123 62171 54443 29983 18925 62543 61609 LACNIC 8309 7266 7181 1286 8287 7266 7264 7266 6943 4674 3421 7249 7180 RIPE NCC 28287 25502 23014 5914 27034 25432 25964 25148 22455 13879 15503 26411 24929 OLD 34539 33607 30740 1213 33923 33092 32690 33024 28347 16532 10822 32798 32751 IANA 4599 3749 3320 496 4471 3587 3511 3590 3016 2003 1947 3548 3486 RFC1918 13 5 0 0 5 5 0 0 0 0 0 4 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 172908 165648 151458 9511 165337 160142 160590 160632 140299 86787 63587 161721 158813 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 10714 10679 10269 251 10659 10666 10607 10582 9741 6943 4979 10593 10639 APNIC 2199 2185 2161 18 2195 2181 2181 2163 2037 1658 1173 2175 2163 RIPE NCC 6373 6344 5962 2302 6361 6344 6346 6315 5781 4413 4762 6354 6324 LACNIC 102 102 95 9 101 102 100 100 92 70 47 97 101 IANA 2 2 2 1 2 2 2 2 2 2 2 2 2 Private 57 36 14 3 30 21 20 16 29 13 10 22 24 Others 1 1 1 0 1 1 1 1 1 1 1 1 1 Total 19448 19349 18504 2584 19349 19317 19257 19179 17683 13100 10974 19244 19254 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 3204 3502 4722 156 3535 4362 5443 6301 4676 3381 2445 4282 6284 APNIC 622 725 864 14 744 882 1045 1123 964 780 535 921 961 RIPE NCC 1757 2226 2263 1394 1950 2503 2598 3633 2299 1758 2168 2407 3577 LACNIC 45 47 49 8 46 56 58 63 51 37 23 49 66 IANA 1 1 1 0 1 1 1 1 1 1 2 1 2 Private 44 25 9 0 21 14 14 10 23 9 8 15 18 Others 0 0 1 0 0 0 0 1 1 1 1 0 0 Total 5673 6526 7909 1572 6297 7818 9159 11132 8015 5967 5182 7675 10908 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 7510 7177 5547 95 7124 6304 5164 4281 5065 3562 2534 6311 4355 APNIC 1577 1460 1297 4 1451 1299 1136 1040 1073 878 638 1254 1202 RIPE NCC 4616 4118 3699 908 4411 3841 3748 2682 3482 2655 2594 3947 2747 LACNIC 57 55 46 1 55 46 42 37 41 33 24 48 35 IANA 1 1 1 1 1 1 1 1 1 1 0 1 0 Private 13 11 5 3 9 7 6 6 6 4 2 7 6 Others 1 1 0 0 1 1 1 0 0 0 0 1 1 Total 13775 12823 10595 1012 13052 11499 10098 8047 9668 7133 5792 11569 8346 IANA : AS64001 AS40439 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 Leaf 16093 16153 15456 1904 16111 16239 16175 16408 14824 10539 8617 16136 16387 Transit 3224 3070 2861 459 3108 2973 2964 2674 2620 2076 1868 2992 2768 Transit-only 131 126 187 221 130 105 118 97 239 485 489 116 99 Total 19448 19349 18504 2584 19349 19317 19257 19179 17683 13100 10974 19244 19254 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 Avg 6.20 6.21 5.98 5.00 6.23 6.20 6.09 6.14 6.49 6.11 6.41 6.19 5.82 Std 2.57 2.46 2.60 2.58 2.57 2.57 2.70 2.32 2.53 2.41 2.55 2.69 3.07 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.64.49.0/24 2706 526481 202.64.40.0/24 2706 449929 202.64.159.0/24 2706 415364 216.243.234.0/23 10970 298131 193.73.62.0/24 6730 279769 219.64.224.0/23 4755 239623 202.43.173.0/24 4832 226672 209.114.254.0/24 14359 218845 194.190.8.0/24 2878 118576 198.76.141.0/24 21617 98054 Total number of RIS BGP peering sessions: 482
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