RIS Statistics Report (20070129-20070205) This report was generated at Mon Feb 5 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 51269 50033 47966 6 47994 46372 46364 29872 44487 46311 47667 47579 48048 43642 42783 ARIN 79450 77636 76433 307 77611 76356 76305 26045 69748 76074 76320 76905 77515 75877 71459 LACNIC 14470 12687 12576 1204 12631 12752 12664 7476 12394 12590 12574 12614 13142 12559 12516 RIPE NCC 48665 42707 42510 1125 43481 42003 43192 26982 38636 41858 42503 42792 45605 41608 38781 AfriNIC 295 259 283 71 259 259 259 183 229 259 283 259 271 283 257 Old 41163 39434 37129 513 38250 38378 37805 14840 34562 36998 37125 38711 38275 37449 34983 IANA 79 31 30 0 30 30 30 28 28 30 31 31 79 31 30 RFC1918 16 5 0 0 7 0 1 0 0 0 5 1 5 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 235407 222792 216927 3226 220263 216150 216620 105426 200084 214120 216508 218892 222940 211449 200809 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 12306 12285 12186 216 12244 12213 12210 6117 11100 12155 12195 12267 12214 12143 11687 APNIC 2832 2825 2792 2 2817 2798 2796 1875 2581 2782 2796 2814 2788 2550 2730 RIPE NCC 9212 9166 9171 274 9195 9151 9151 6409 8421 9139 9156 9183 9174 9134 8708 LACNIC 281 281 274 44 278 277 278 186 264 272 274 279 278 275 251 AFRINIC 35 35 35 4 35 35 35 29 35 35 35 35 35 35 35 IANA 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 Private 138 66 43 2 68 39 57 18 52 19 46 59 33 81 28 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 24807 24660 24504 542 24639 24515 24529 14634 22455 24404 24504 24639 24524 24220 23441 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3415 3892 4446 135 3988 5165 5657 2635 5027 6534 4015 4172 4647 4465 5530 APNIC 730 808 929 2 870 1004 1103 768 933 1162 914 859 981 875 1115 RIPE NCC 2660 2956 3267 212 2921 3602 3850 2862 3269 4167 3264 3078 3212 3462 3815 LACNIC 111 115 122 32 122 135 140 96 126 153 129 121 127 134 130 AFRINIC 17 17 18 2 18 18 18 12 18 18 18 18 18 18 19 IANA 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 Private 111 45 32 2 53 25 41 10 42 11 37 44 20 66 19 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7046 7834 8816 385 7973 9950 10810 6383 9416 12046 8378 8293 9006 9021 10629 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8891 8393 7740 81 8256 7048 6553 3482 6073 5621 8180 8095 7567 7678 6157 APNIC 2102 2017 1863 0 1947 1794 1693 1107 1648 1620 1882 1955 1807 1675 1615 RIPE NCC 6552 6210 5904 62 6274 5549 5301 3547 5152 4972 5892 6105 5962 5672 4893 LACNIC 170 166 152 12 156 142 138 90 138 119 145 158 151 141 121 AFRINIC 18 18 17 2 17 17 17 17 17 17 17 17 17 17 16 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 27 21 11 0 15 14 16 8 10 8 9 15 13 15 9 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17761 16826 15688 157 16666 14565 13719 8251 13039 12358 16126 16346 15518 15199 12812 IANA : AS65535 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 20593 20586 20523 412 20575 20671 20657 11579 18752 20694 20576 20605 20600 20310 19838 Transit 4077 3949 3854 82 3947 3721 3755 2356 3414 3592 3806 3913 3809 3775 3426 Transit-only 146 133 129 48 123 128 123 703 291 122 123 126 119 142 182 Total 24816 24668 24506 542 24645 24520 24535 14638 22457 24408 24505 24644 24528 24227 23446 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.30 6.24 6.00 4.27 6.08 5.97 6.18 6.18 6.83 5.78 6.05 6.02 7.04 5.80 6.72 Std 2.60 2.53 2.58 3.16 2.62 2.49 2.52 2.52 2.92 2.41 2.61 2.60 2.50 2.59 2.36 o List of hot-spots during the week. Prefix Origin AS Number of updates 12.170.126.0/24 33188 590122 64.201.12.0/24 33188 585958 62.24.238.0/24 13285 451147 204.94.124.0/24 4755 385090 12.106.30.0/24 22072 318187 194.42.208.0/20 705 270700 194.190.36.0/24 5592 246016 192.96.13.0/24 16637 222295 192.96.14.0/24 16637 222272 216.254.155.0/24 6432 178284 Total number of RIS BGP peering sessions: 591