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RIS Statistics Report
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Generic RIS account
risops at ripe.net
Mon Feb 21 15:10:38 CET 2005
RIS Statistics Report (20050214-20050221) This report was generated at Mon Feb 21 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 29891 29686 27310 163 29390 29121 20240 29655 29181 28596 16816 29024 1629 ARIN 62710 61745 37973 501 62343 61362 27173 61667 61612 60375 25147 61634 1172 LACNIC 6971 6955 5784 774 6949 6954 4527 6949 6936 6920 3672 6936 484 RIPE NCC 27022 25762 22349 5590 26376 25418 18278 25134 25806 25221 14987 26155 750 OLD 33997 33296 21541 678 33663 32987 16789 32682 32573 31825 12829 32693 850 IANA 3600 3519 2671 521 3566 3471 2273 3459 3399 3362 1992 3457 112 RFC1918 16 13 0 0 2 10 0 0 0 0 0 1 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 164207 160976 117628 8227 162289 159323 89280 159546 159507 156299 75443 159900 4997 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 10690 10665 7929 254 10642 10634 6459 10567 10554 10543 5684 10580 475 APNIC 2184 2171 2122 22 2179 2170 1751 2154 2154 2147 1588 2162 391 RIPE NCC 6358 6334 5741 2146 6344 6328 5195 6297 6319 6317 4590 6338 520 LACNIC 100 100 83 10 99 99 78 98 95 95 55 94 6 IANA 1 1 0 0 1 1 0 1 1 1 0 1 0 Private 52 36 15 2 25 21 17 11 26 9 9 21 8 Others 1 1 1 0 1 1 1 1 1 1 0 1 0 Total 19386 19308 15891 2434 19291 19254 13501 19129 19150 19113 11926 19197 1400 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 3146 3586 3317 162 3465 4799 2371 6450 4098 5001 2883 4027 292 APNIC 626 715 887 18 696 842 692 1195 772 1011 798 779 240 RIPE NCC 1756 2179 2160 1347 1998 2766 1773 3581 2307 2504 2108 2222 319 LACNIC 46 48 43 9 52 56 37 63 49 55 30 52 6 IANA 1 1 0 0 1 1 0 1 1 1 0 1 0 Private 37 26 9 1 18 14 11 8 21 5 7 15 7 Others 1 1 1 0 1 1 1 1 1 1 0 1 0 Total 5613 6556 6417 1537 6231 8479 4885 11299 7249 8578 5826 7097 864 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 7544 7079 4612 92 7177 5835 4088 4117 6456 5542 2801 6553 183 APNIC 1558 1456 1235 4 1483 1328 1059 959 1382 1136 790 1383 151 RIPE NCC 4602 4155 3581 799 4346 3562 3422 2716 4012 3813 2482 4116 201 LACNIC 54 52 40 1 47 43 41 35 46 40 25 42 0 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 15 10 6 1 7 7 6 3 5 4 2 6 1 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 13773 12752 9474 897 13060 10775 8616 7830 11901 10535 6100 12100 536 IANA : AS65535 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 Leaf 16054 16143 13008 1801 16066 16243 10681 16395 16123 16147 9523 16094 994 Transit 3207 3048 2610 430 3111 2909 2413 2643 2921 2867 1937 2990 283 Transit-only 125 117 273 203 114 102 407 91 106 99 466 113 123 Total 19386 19308 15891 2434 19291 19254 13501 19129 19150 19113 11926 19197 1400 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 Avg 6.10 6.09 6.05 4.98 6.18 6.19 6.23 6.11 6.18 5.63 6.26 5.95 7.98 Std 2.53 2.48 2.63 2.56 2.54 2.55 2.67 2.30 2.48 2.26 2.56 2.50 5.14 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.64.40.0/24 2706 553785 202.64.159.0/24 2706 538822 202.64.49.0/24 2706 536733 202.43.173.0/24 4832 334008 216.243.234.0/23 10970 278135 193.73.62.0/24 6730 256494 219.64.224.0/23 4755 237671 209.114.254.0/24 14359 224156 194.190.8.0/24 2878 125247 198.76.141.0/24 21617 78596 Total number of RIS BGP peering sessions: 469
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