RIS Statistics Report (20060424-20060501) This report was generated at Mon May 1 00:15:01 UTC 2006. 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 APNIC 37021 36685 36036 0 36102 36049 35972 16971 35090 34678 35630 0 35944 29770 ARIN 73523 73228 67423 150 67980 67030 67086 36274 67041 65926 69144 0 67972 60935 LACNIC 10513 10509 10235 1088 10266 10349 10342 6440 9443 9279 9130 0 10270 9308 RIPE NCC 32320 30389 30573 702 29807 29331 29465 20038 29446 29030 28031 0 29800 21176 OLD 36196 35917 34737 290 35475 35073 34985 16544 34439 34174 33542 0 35542 34659 IANA 14350 14048 12644 106 13060 12973 12950 7304 12393 12380 13119 0 13030 12473 RFC1918 32 23 3 0 21 3 0 0 0 2 0 0 0 0 AFRINIC 97 97 97 70 97 97 97 83 97 97 96 0 97 97 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 204052 200896 191748 2406 192808 190905 190897 103654 187949 185566 188692 0 192655 168418 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 ARIN 11656 11628 11556 160 11602 11560 11575 7673 11466 11473 11161 0 11573 11171 APNIC 2539 2518 2525 3 2523 2492 2507 1390 2482 2483 2513 0 2493 2380 RIPE NCC 8010 7959 7997 242 7970 7911 7957 6292 7930 7935 7639 0 7981 7076 LACNIC 198 198 191 19 194 196 196 150 188 189 182 0 195 193 AFRINIC 12 12 12 0 12 12 12 11 11 12 12 0 12 12 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 63 26 21 1 29 16 19 3 4 3 13 0 15 36 Others 1 1 1 0 1 1 1 0 1 1 1 0 1 1 Total 22479 22342 22303 425 22331 22188 22267 15519 22082 22096 21521 0 22270 20869 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 3257 3800 3762 93 4188 4869 5130 5302 6648 6880 4154 0 5159 6599 APNIC 691 793 796 0 832 949 967 790 1376 1422 1055 0 1022 1282 RIPE NCC 2363 2708 2648 165 2819 3377 3399 4265 4151 4570 3271 0 3358 4101 LACNIC 70 77 75 17 80 86 92 114 112 113 84 0 99 116 AFRINIC 8 8 8 0 8 8 8 9 7 8 8 0 8 8 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 52 18 15 0 22 11 14 2 3 3 7 0 9 33 Others 0 0 0 0 0 0 0 0 0 1 0 0 0 0 Total 6441 7404 7304 275 7949 9300 9610 10482 12297 12997 8579 0 9655 12139 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 8399 7828 7794 67 7414 6691 6445 2371 4818 4593 7007 0 6414 4572 APNIC 1848 1725 1729 3 1691 1543 1540 600 1106 1061 1458 0 1471 1098 RIPE NCC 5647 5251 5349 77 5151 4534 4558 2027 3779 3365 4368 0 4623 2975 LACNIC 128 121 116 2 114 110 104 36 76 76 98 0 96 77 AFRINIC 4 4 4 0 4 4 4 2 4 4 4 0 4 4 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 11 8 6 1 7 5 5 1 1 0 6 0 6 3 Others 1 1 1 0 1 1 1 0 1 0 1 0 1 1 Total 16038 14938 14999 150 14382 12888 12657 5037 9785 9099 12942 0 12615 8730 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Leaf 18612 18681 18607 290 18651 18707 18698 12919 18942 18980 18015 0 18792 17793 Transit 3739 3544 3577 62 3559 3360 3449 2263 3068 3042 3347 0 3373 2859 Transit-only 128 117 119 73 121 121 120 337 72 74 159 0 105 217 Total 22479 22342 22303 425 22331 22188 22267 15519 22082 22096 21521 0 22270 20869 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Avg 6.11 6.11 5.64 5.22 6.05 5.76 5.86 4.89 4.80 4.97 5.93 0.00 7.66 4.71 Std 2.65 2.52 2.51 3.16 2.69 2.35 2.62 1.88 1.84 1.87 2.66 0.00 2.79 1.91 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 16215 10.0.4.0/24 8928 10.245.1.76/30 8642 10.245.7.4/30 8642 10.250.40.0/25 8642 10.250.40.128/25 8642 10.250.41.0/25 8642 10.250.41.128/25 8642 10.250.42.0/25 8642 10.250.42.128/25 8642 10.250.43.0/25 8642 10.250.43.128/25 8642 10.250.44.0/25 8642 10.250.44.128/25 8642 10.250.45.0/25 8642 10.250.45.128/25 8642 10.250.46.0/25 8642 10.250.46.128/25 8642 10.250.47.0/25 8642 10.250.47.128/25 8642 172.16.0.0/30 8342 172.16.0.4/30 8342 172.16.2.32/27 6325 172.16.2.80/28 6325 172.17.0.12/30 8342 172.31.31.0/30 6325 192.0.2.0/24 16215 192.168.0.0/16 16215 192.168.0.3/32 32767 192.168.0.59/32 32767 192.168.1.0/24 32767 o List of hot-spots during the week. Prefix Origin AS Number of updates 196.221.1.0/24 36893 238993 64.17.224.0/19 19982 215866 64.17.232.0/21 19982 175034 64.17.240.0/21 19982 171219 62.24.238.0/24 13285 166059 193.27.248.0/23 31002 148476 64.17.224.0/21 19982 146258 199.181.158.0/23 4595 124284 12.144.41.0/24 16705 82930 63.101.83.0/24 16705 78944 Total number of RIS BGP peering sessions: 587