RIS Statistics Report (20031202-20031208) This report was generated at Mon Dec 8 00:15:01 UTC 2003. 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 APNIC 22782 22765 21083 17618 22509 11650 22419 9946 22414 12414 22174 ARIN 57196 57173 51880 43719 56876 25871 56756 17916 55772 19223 55244 LACNIC 5375 5375 4764 4661 5304 3729 5365 2417 5374 2587 5214 RIPE NCC 34825 20864 16848 14801 34287 11165 20716 9204 20909 11051 20467 OLD 29823 29640 24820 21392 29407 15385 29245 11109 29146 9807 27922 IANA 7 7 7 6 7 4 6 5 6 6 6 RFC1918 17 0 0 3 14 0 1 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 TOTAL 150025 135824 119402 102200 148404 67804 134508 50597 133621 55088 131027 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 ARIN 9519 9511 8752 7476 9473 5987 9491 4679 9469 4580 9394 APNIC 1913 1913 1809 1651 1906 1208 1898 1082 1905 1378 1892 RIPE NCC 5003 4980 4433 3994 4991 3368 4982 2914 4979 3391 4967 LACNIC 42 41 38 38 41 35 42 27 41 28 38 IANA 15 14 14 14 14 12 15 14 14 13 12 Private 21 17 9 9 16 9 14 11 16 11 8 Others 1 1 1 0 1 1 1 1 1 1 1 Total 16514 16477 15056 13182 16442 10620 16443 8728 16425 9402 16312 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 2977 3370 4752 3858 3543 2943 3603 2389 3969 2082 4676 APNIC 577 618 753 735 666 501 669 450 746 629 816 RIPE NCC 1407 1755 1785 1734 1689 1409 1803 1177 2003 1389 2433 LACNIC 17 17 21 21 20 15 18 14 17 14 19 IANA 10 9 11 11 9 10 12 10 10 10 9 Private 14 10 4 4 10 4 10 6 10 6 2 Others 1 1 1 0 1 1 1 1 1 1 1 Total 5003 5780 7327 6363 5938 4883 6116 4047 6756 4131 7956 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 6542 6141 4000 3618 5930 3044 5888 2290 5500 2498 4718 APNIC 1336 1295 1056 916 1240 707 1229 632 1159 749 1076 RIPE NCC 3596 3225 2648 2260 3302 1959 3179 1737 2976 2002 2534 LACNIC 25 24 17 17 21 20 24 13 24 14 19 IANA 5 5 3 3 5 2 3 4 4 3 3 Private 7 7 5 5 6 5 4 5 6 5 6 Others 0 0 0 0 0 0 0 0 0 0 0 Total 11511 10697 7729 6819 10504 5737 10327 4681 9669 5271 8356 IANA : AS30764 AS30732 AS30733 AS30723 AS30726 AS30740 AS30760 AS30751 AS30724 AS30752 AS30776 AS30758 AS30777 AS30745 AS30731 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Leaf 13721 13790 12611 10902 13782 8476 13795 6772 13845 7297 13851 Transit 2695 2599 2243 1955 2566 1721 2563 1379 2487 1634 2384 Transit-only 98 88 202 325 94 423 85 577 93 471 77 Total 16514 16477 15056 13182 16442 10620 16443 8728 16425 9402 16312 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Avg 6.08 6.02 5.94 5.73 6.17 6.43 5.63 6.48 6.11 5.93 6.08 Std 2.43 2.48 2.48 2.46 2.44 2.50 2.33 2.32 2.37 2.52 2.30 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 20758 10.2.0.0/16 21325 10.10.10.0/29 20758 10.11.0.0/16 13024 172.16.140.0/24 21325 172.16.150.0/24 21325 172.17.2.0/24 21325 172.17.126.60/32 21325 172.18.0.0/16 21325 172.30.1.0/24 21325 192.168.2.132/30 2200 192.168.70.0/24 21325 192.168.71.0/24 21325 192.168.130.0/24 21325 192.168.170.4/30 21325 o List of hot-spots during the week. Prefix Origin AS Number of updates 69.41.56.0/24 19197 190978 69.41.54.0/24 19197 169856 69.41.55.0/24 19197 165422 82.108.0.0/14 4589 163378 209.32.168.0/21 14367 121495 204.221.80.0/20 14367 119520 170.16.0.0/16 3762 116453 207.191.56.0/24 4519 102226 207.191.47.0/24 4519 102057 205.136.140.0/24 19029 52899 Total number of RIS BGP peering sessions: 331