RIS Statistics Report (20060220-20060227) This report was generated at Mon Feb 27 00:15:01 UTC 2006. 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 rrc13 rrc14 APNIC 42570 42424 34741 0 36522 38243 38166 14414 29066 23385 24189 34787 36283 21253 ARIN 69083 68867 67885 218 68725 68511 57961 16942 61263 44463 32558 67853 68360 21162 LACNIC 8518 8509 8444 1085 8476 8507 7566 4100 8405 6567 5121 8450 8474 4753 RIPE NCC 30608 29277 29359 1067 29690 29045 21025 12104 26570 22361 18008 29755 29245 14094 OLD 36279 35843 34657 259 35726 35452 29554 9623 34127 21985 15773 34817 35338 14293 IANA 12677 12336 11991 107 12170 12163 10230 4755 11652 9083 7790 12177 12166 5722 RFC1918 8 4 1 0 1 0 0 0 0 0 1 3 0 0 AFRINIC 42 42 42 25 42 42 37 29 41 35 30 42 42 29 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 199785 197302 187120 2761 191352 191963 164539 61967 171124 127879 103470 187884 189908 81306 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 rrc13 rrc14 ARIN 11547 11476 11449 140 11494 11491 10183 4394 11109 8878 6544 11446 11463 5689 APNIC 2463 2453 2437 0 2459 2435 2329 1261 2372 1901 1983 2449 2423 1623 RIPE NCC 7751 7699 7727 246 7704 7698 6115 4332 7345 6796 5836 7708 7721 5013 LACNIC 192 192 189 19 188 188 174 111 182 151 124 186 187 130 AFRINIC 7 7 7 0 7 7 6 6 7 7 6 7 7 6 IANA 2 2 2 2 2 2 2 0 2 0 2 2 2 0 Private 46 27 22 1 30 20 18 7 10 8 19 22 19 18 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 22008 21856 21833 408 21884 21841 18827 10111 21027 17741 14514 21820 21822 12479 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 3443 4004 4256 89 4314 5291 5115 2699 6528 5848 2797 4518 4915 3423 APNIC 678 798 847 0 893 961 1075 693 1196 1138 876 866 918 802 RIPE NCC 2246 2797 2668 204 2656 3137 2397 2702 3803 3941 2359 2758 2989 2950 LACNIC 76 86 90 16 83 99 98 78 120 104 63 90 98 86 AFRINIC 4 4 4 0 4 5 3 4 5 5 4 4 4 4 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 35 20 13 0 22 13 11 6 8 6 13 15 12 17 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 6482 7709 7878 309 7972 9506 8699 6182 11660 11042 6112 8251 8936 7282 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 8104 7472 7193 51 7180 6200 5068 1695 4581 3030 3747 6928 6548 2266 APNIC 1785 1655 1590 0 1566 1474 1254 568 1176 763 1107 1583 1505 821 RIPE NCC 5505 4902 5059 42 5048 4561 3718 1630 3542 2855 3477 4950 4732 2063 LACNIC 116 106 99 3 105 89 76 33 62 47 61 96 89 44 AFRINIC 3 3 3 0 3 2 3 2 2 2 2 3 3 2 IANA 2 2 2 2 2 2 2 0 2 0 2 2 2 0 Private 11 7 9 1 8 7 7 1 2 2 6 7 7 1 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 15526 14147 13955 99 13912 12335 10128 3929 9367 6699 8402 13569 12886 5197 IANA : AS64001 AS64000 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Leaf 18205 18313 18264 335 18295 18414 15579 7934 18009 14959 11495 18304 18399 9917 Transit 3676 3437 3444 57 3476 3335 2907 1552 2895 2507 2455 3403 3323 2015 Transit-only 127 106 125 16 113 92 341 625 123 275 564 113 100 547 Total 22008 21856 21833 408 21884 21841 18827 10111 21027 17741 14514 21820 21822 12479 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Avg 6.25 6.01 5.78 4.77 6.27 5.82 6.20 5.16 4.96 5.05 6.44 5.99 7.82 5.00 Std 2.67 2.51 2.51 2.92 2.68 2.53 2.72 2.00 1.78 1.88 2.79 2.58 2.71 2.10 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 16215 10.6.6.6/32 3741 10.20.10.20/32 5381 10.20.10.21/32 5381 10.20.10.22/32 5381 172.16.0.0/12 16215 172.20.0.0/30 8342 192.0.2.0/24 4788 192.168.0.0/16 16215 o List of hot-spots during the week. Prefix Origin AS Number of updates 213.91.172.0/24 34577 421870 213.16.56.0/24 34577 421832 213.91.154.0/24 34577 407379 213.91.155.0/24 34577 398439 83.228.73.0/24 34577 396550 83.228.109.0/24 34577 393211 62.111.4.0/24 6666 256039 213.91.153.0/24 34577 220444 219.64.226.0/23 4755 214936 61.4.0.0/19 9899 191122 Total number of RIS BGP peering sessions: 562