RIS Statistics Report (20061225-20070101) This report was generated at Mon Jan 1 00:15:01 UTC 2007. 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 rrc15 APNIC 45430 44354 39021 18 44755 31232 30276 24430 18783 42300 36232 44287 44122 20147 43310 ARIN 76999 75707 49922 121 76566 26186 20522 8864 44646 74619 41079 75661 75500 13077 75317 LACNIC 15139 12519 10978 928 12498 9182 6446 4075 2783 11593 8488 12475 12484 4950 15085 RIPE NCC 43120 40878 35628 309 42334 25209 27575 14768 20161 40016 27982 41464 41139 22685 40650 AfriNIC 237 237 203 69 237 161 184 143 237 237 168 237 237 171 237 Old 39232 38309 25032 315 37165 14962 12539 6826 27663 35889 21079 37129 36979 10779 36332 IANA 6 5 4 0 5 2 2 0 4 4 3 6 5 2 5 RFC1918 10 0 0 0 6 0 0 0 0 0 0 0 4 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 220173 212009 160788 1760 213566 106934 97544 59106 114277 204658 135031 211259 210470 71811 210936 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 rrc15 ARIN 12216 12189 8807 137 12174 6395 5472 3126 9338 12043 7667 12182 12129 4491 12073 APNIC 2796 2783 2545 3 2786 2160 2076 1764 1646 2741 2362 2782 2758 1589 2751 RIPE NCC 9054 9005 8267 96 9039 6432 6939 4211 5147 8963 6846 9014 9015 6568 8971 LACNIC 275 274 251 28 272 225 177 132 114 263 211 273 272 162 266 AFRINIC 30 30 23 1 30 23 26 21 19 30 25 30 30 25 30 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 71 49 25 0 54 34 34 5 17 19 33 45 35 12 33 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 24443 24331 19919 265 24356 15270 14725 9259 16282 24060 17145 24327 24240 12847 24125 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3916 4908 4123 87 4235 3067 2508 1978 5883 7961 4449 4622 5364 2840 6095 APNIC 761 878 896 3 896 777 771 920 881 1435 934 955 997 758 1214 RIPE NCC 2786 3398 3558 66 3000 2832 2979 2674 2609 5679 3202 3646 3822 4093 4534 LACNIC 116 135 141 21 122 125 93 91 72 187 118 138 133 115 159 AFRINIC 17 17 12 0 17 14 17 14 12 18 16 18 18 17 17 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 43 24 17 0 28 15 14 4 5 6 13 21 15 11 14 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7639 9360 8747 177 8298 6830 6382 5681 9462 15286 8733 9400 10349 7834 12033 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8300 7281 4684 50 7939 3328 2964 1148 3455 4082 3218 7560 6765 1651 5978 APNIC 2035 1905 1649 0 1890 1383 1305 844 765 1306 1428 1827 1761 831 1537 RIPE NCC 6268 5607 4709 30 6039 3600 3960 1537 2538 3284 3644 5368 5193 2475 4437 LACNIC 159 139 110 7 150 100 84 41 42 76 93 135 139 47 107 AFRINIC 13 13 11 1 13 9 9 7 7 12 9 12 12 8 13 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 28 25 8 0 26 19 20 1 12 13 20 24 20 1 19 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 16804 14971 11172 88 16058 8440 8343 3578 6820 8774 8412 14927 13891 5013 12092 Number of 4-byte ASes: 0. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 20397 20454 16395 181 20425 12144 11549 7147 13601 20711 13993 20465 20510 10252 20605 Transit 3917 3753 3244 49 3811 2528 2571 1435 2259 3231 2657 3738 3611 2029 3406 Transit-only 135 129 282 35 125 603 611 676 422 116 497 129 121 566 117 Total 24449 24336 19921 265 24361 15275 14731 9258 16282 24058 17147 24332 24242 12847 24128 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.45 6.72 6.28 4.25 6.03 6.63 6.49 5.34 5.31 5.16 6.38 6.36 7.35 4.93 6.54 Std 2.75 2.71 2.70 2.76 2.74 2.80 2.80 2.02 2.25 1.90 2.76 2.92 2.75 2.08 2.34 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/24 25232 10.10.11.0/24 32767 10.10.12.0/24 32767 172.17.1.0/24 32767 192.0.2.0/24 2854 192.168.0.0/24 32767 192.168.1.0/24 25232 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.191.0/24 5417 o List of hot-spots during the week. Prefix Origin AS Number of updates 12.170.126.0/24 33188 498959 64.201.12.0/24 33188 494615 62.24.238.0/24 13285 425226 220.120.228.0/24 38123 198330 220.120.229.0/24 38123 197274 210.121.229.0/24 38123 196544 210.101.104.0/24 38123 191293 210.121.228.0/24 38123 179256 210.101.105.0/24 38123 175138 194.42.208.0/20 705 152155 Total number of RIS BGP peering sessions: 597