RIS Statistics Report (20031230-20040105) This report was generated at Mon Jan 5 00:15:01 UTC 2004. 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 23299 23265 17925 8685 23020 7526 10066 7546 15133 11985 22680 ARIN 55538 55429 31159 10874 55317 12164 12798 8351 23598 14669 54059 LACNIC 5231 5230 2810 1541 5175 1765 1914 1281 2501 1777 5152 RIPE NCC 33435 21352 16156 10040 33286 7350 8632 7202 12251 8501 20943 OLD 29331 29173 14915 6334 29028 7797 8649 5026 14189 7680 27494 IANA 13 13 8 3 12 2 3 3 5 3 11 RFC1918 1 0 0 0 1 0 1 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 TOTAL 146848 134462 82973 37477 145839 36604 42063 29409 67677 44615 130339 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 9546 9534 6478 3376 9498 3511 3921 2678 5909 3958 9410 APNIC 1916 1916 1667 916 1905 826 1001 784 1369 1207 1899 RIPE NCC 5025 5014 4180 2869 5016 2328 2621 2296 3305 2592 4992 LACNIC 40 40 31 18 39 21 21 16 25 18 38 IANA 59 58 50 36 59 36 37 33 52 37 56 Private 23 19 5 4 8 12 15 3 14 12 4 Others 0 0 0 0 0 0 0 0 0 0 0 Total 16609 16581 12411 7219 16525 6734 7616 5810 10674 7824 16399 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 3131 3621 3345 1608 3713 1560 1491 1136 2502 1989 5336 APNIC 612 673 781 414 743 325 392 343 625 640 973 RIPE NCC 1626 1949 2054 1304 1993 1019 969 986 1416 1082 2792 LACNIC 20 22 23 12 23 14 13 10 11 11 25 IANA 37 38 36 25 40 27 26 27 35 28 44 Private 21 18 4 3 6 12 14 3 14 12 3 Others 0 0 0 0 0 0 0 0 0 0 0 Total 5447 6321 6243 3366 6518 2957 2905 2505 4603 3762 9173 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 6415 5913 3133 1768 5785 1951 2430 1542 3407 1969 4074 APNIC 1304 1243 886 502 1162 501 609 441 744 567 926 RIPE NCC 3399 3065 2126 1565 3023 1309 1652 1310 1889 1510 2200 LACNIC 20 18 8 6 16 7 8 6 14 7 13 IANA 22 20 14 11 19 9 11 6 17 9 12 Private 2 1 1 1 2 0 1 0 0 0 1 Others 0 0 0 0 0 0 0 0 0 0 0 Total 11162 10260 6168 3853 10007 3777 4711 3305 6071 4062 7226 IANA : AS30811 AS30857 AS30781 AS30814 AS30764 AS30732 AS31752 AS31766 AS31779 AS30838 AS31795 AS30807 AS30880 AS30798 AS30733 AS31763 AS31769 AS31749 AS31758 AS30840 AS30793 AS64198 AS30726 AS30747 AS30740 AS30744 AS30760 AS30762 AS30751 AS30737 AS30790 AS30769 AS30843 AS31784 AS31757 AS30861 AS30724 AS30778 AS30865 AS30770 AS30799 AS30820 AS30779 AS30817 AS31776 AS30789 AS30752 AS30730 AS30776 AS30758 AS30828 AS30745 AS30763 AS31780 AS30767 AS30731 AS31753 AS30791 AS30755 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Leaf 13877 13945 10178 5500 13936 5004 5688 4226 8535 6018 14045 Transit 2637 2548 1933 1146 2498 1094 1259 929 1694 1286 2278 Transit-only 95 88 300 573 91 636 669 655 445 520 76 Total 16609 16581 12411 7219 16525 6734 7616 5810 10674 7824 16399 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Avg 5.95 5.80 5.81 5.86 6.00 6.26 5.98 6.51 6.21 5.83 5.35 Std 2.32 2.35 2.29 2.39 2.30 2.32 2.36 2.24 2.33 2.47 2.03 o List of martians appearing throughout the week. Prefix Origin AS 172.16.138.0/24 8503 o List of hot-spots during the week. Prefix Origin AS Number of updates 61.178.0.0/17 4134 161836 61.178.128.0/17 4134 157204 202.150.15.0/24 18237 138153 69.19.219.0/24 19864 133263 212.42.0.0/19 8838 128009 82.108.0.0/14 4589 127114 207.191.56.0/24 4519 111751 207.191.47.0/24 4519 111280 217.22.80.0/20 28808 107083 204.221.80.0/20 14367 79808 Total number of RIS BGP peering sessions: 331