RIS Statistics Report (20031216-20031222) This report was generated at Mon Dec 22 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 23413 23407 22775 12565 23012 9390 14467 10078 21184 18680 22454 ARIN 57635 57517 56827 16460 57221 18276 21338 12610 50731 43262 55546 LACNIC 5331 5330 5213 3048 5275 2701 3301 2310 4779 4400 5226 RIPE NCC 36511 21203 21227 12112 34659 11221 12602 10774 18514 15935 20716 OLD 30145 29837 28696 9549 29642 10479 13666 8055 25495 23652 27840 IANA 12 11 10 7 11 5 4 6 8 5 11 RFC1918 4 0 1 0 1 0 1 0 0 2 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 TOTAL 153051 137305 134749 53741 149821 52072 65379 43833 120711 105936 131793 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 9566 9548 9456 4001 9521 4550 5015 3328 8874 8496 9448 APNIC 1920 1920 1905 1362 1912 1086 1499 1076 1853 1730 1898 RIPE NCC 5017 5005 5003 3648 5007 3457 3604 3219 4398 4355 4989 LACNIC 44 43 41 28 43 29 34 22 41 38 40 IANA 42 42 40 33 41 35 35 32 39 38 40 Private 21 16 13 11 18 7 13 9 16 7 7 Others 1 0 0 0 1 0 0 0 0 0 0 Total 16611 16574 16458 9083 16543 9164 10200 7686 15221 14664 16422 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 2931 3344 3991 1608 3467 1895 1941 1359 4210 5033 4569 APNIC 563 626 735 542 636 406 555 455 730 897 787 RIPE NCC 1474 1748 2199 1504 1759 1535 1330 1427 1905 2202 2337 LACNIC 23 22 23 15 23 17 20 12 22 23 23 IANA 27 27 25 19 26 25 21 20 25 25 26 Private 15 10 9 8 14 3 10 5 11 4 3 Others 1 0 0 0 1 0 0 0 0 0 0 Total 5034 5777 6982 3696 5926 3881 3877 3278 6903 8184 7745 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 6635 6204 5465 2393 6054 2655 3074 1969 4664 3463 4879 APNIC 1357 1294 1170 820 1276 680 944 621 1123 833 1111 RIPE NCC 3543 3257 2804 2144 3248 1922 2274 1792 2493 2153 2652 LACNIC 21 21 18 13 20 12 14 10 19 15 17 IANA 15 15 15 14 15 10 14 12 14 13 14 Private 6 6 4 3 4 4 3 4 5 3 4 Others 0 0 0 0 0 0 0 0 0 0 0 Total 11577 10797 9476 5387 10617 5283 6323 4408 8318 6480 8677 IANA : AS30811 AS30781 AS30814 AS30764 AS30732 AS31752 AS31766 AS30798 AS30733 AS31763 AS30834 AS31749 AS31758 AS30840 AS30793 AS64198 AS30726 AS30747 AS30740 AS30744 AS30760 AS30751 AS30737 AS30790 AS30769 AS30843 AS31818 AS30724 AS30770 AS30820 AS31776 AS30789 AS30752 AS30730 AS30776 AS30758 AS30745 AS30763 AS30767 AS30731 AS30791 AS30755 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Leaf 13818 13879 13889 7024 13876 7101 7949 5783 12723 12341 13945 Transit 2704 2610 2485 1576 2582 1512 1775 1359 2289 2108 2395 Transit-only 89 85 84 483 85 551 476 544 209 215 82 Total 16611 16574 16458 9083 16543 9164 10200 7686 15221 14664 16422 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Avg 6.06 6.00 5.73 5.92 6.15 6.39 6.03 6.57 6.16 5.52 5.86 Std 2.40 2.49 2.34 2.47 2.36 2.48 2.50 2.30 2.41 2.42 2.15 o List of martians appearing throughout the week. Prefix Origin AS 172.16.0.0/24 8548 172.16.138.0/24 8503 192.0.2.0/24 297 192.168.0.0/16 297 o List of hot-spots during the week. Prefix Origin AS Number of updates 69.41.54.0/24 19197 182099 69.41.55.0/24 19197 176729 69.41.56.0/24 19197 162876 82.108.0.0/14 4589 124554 204.221.80.0/20 14367 117114 209.32.168.0/21 14367 116856 170.16.0.0/16 3762 116025 207.191.56.0/24 4519 109304 207.191.47.0/24 4519 109217 205.136.140.0/24 19029 82275 Total number of RIS BGP peering sessions: 331