RIS Statistics Report (20081013-20081020) This report was generated at Mon Oct 20 00:15:01 UTC 2008. 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 rrc16 APNIC 68367 66989 58893 0 64507 61502 60220 60225 58864 58929 59534 61043 59490 59262 59150 63229 ARIN 97184 95520 90442 0 91097 91949 91359 93654 90446 90475 90793 91877 91259 90503 92987 91552 LACNIC 23051 20188 20119 0 20186 20330 20341 20291 20145 20093 20272 20188 20238 20163 22887 20035 RIPE NCC 81007 60056 60402 0 59212 59408 60910 57822 66266 59627 59769 63933 60600 58591 58466 58136 AfriNIC 1491 1464 1481 0 1475 1485 1487 1485 1475 1474 1484 1468 1485 1481 1477 1472 Old 45183 43591 41838 0 42508 42677 42618 42300 41571 41663 41761 42487 42601 41666 42609 42669 IANA 40 1 1 0 1 1 1 1 1 1 1 40 1 1 1 1 RFC1918 61 0 32 0 4 1 2 0 0 2 0 7 2 0 14 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 316384 287809 273208 0 278990 277353 276938 275778 278768 272264 273614 281043 275676 271667 277591 277094 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 rrc16 ARIN 12911 12874 12803 0 12873 12856 12842 12781 12790 12793 12810 12875 12853 12800 12842 12742 APNIC 3529 3518 3464 0 3496 3489 3476 3456 3460 3454 3476 3505 3461 3477 3451 3452 RIPE NCC 12300 12264 12257 0 12253 12245 12258 12194 12250 12242 12262 12260 12250 12247 12206 12221 LACNIC 1046 1038 1030 0 1040 1036 1038 1033 1029 1030 1030 1038 1036 1031 1040 1024 AFRINIC 228 225 227 0 225 226 226 224 225 225 227 226 223 227 224 223 IANA 3 1 2 0 1 2 2 1 2 2 1 3 1 1 1 1 Private 78 44 36 0 41 32 35 27 34 24 37 36 32 31 25 20 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 30095 29964 29819 0 29929 29886 29877 29716 29790 29770 29843 29943 29856 29814 29789 29683 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 ARIN 3991 4675 4701 0 4763 5508 5531 7841 5744 5485 4710 4507 5137 4970 6487 7854 APNIC 884 1085 1148 0 1136 1249 1236 1659 1284 1331 1089 1090 1219 1165 1483 1847 RIPE NCC 3749 4619 4337 0 4422 4934 4597 7457 4823 4744 4540 4523 4665 4959 6400 7017 LACNIC 335 396 396 0 386 407 405 484 414 431 386 389 412 396 425 503 AFRINIC 79 88 84 0 86 89 87 96 88 90 86 86 88 87 94 102 IANA 1 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 Private 49 32 20 0 31 15 19 15 25 18 22 28 20 22 11 15 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 9088 10895 10686 0 10824 12202 11875 17552 12378 12100 10833 10624 11541 11599 14901 17339 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 ARIN 8920 8199 8102 0 8110 7348 7311 4940 7046 7308 8100 8368 7716 7830 6355 4888 APNIC 2645 2433 2316 0 2360 2240 2240 1797 2176 2123 2387 2415 2242 2312 1968 1605 RIPE NCC 8551 7645 7920 0 7831 7311 7661 4737 7427 7498 7722 7737 7585 7288 5806 5204 LACNIC 711 642 634 0 654 629 633 549 615 599 644 649 624 635 615 521 AFRINIC 149 137 143 0 139 137 139 128 137 135 141 140 135 140 130 121 IANA 2 1 2 0 1 2 2 1 2 1 1 2 1 1 0 0 Private 29 12 16 0 10 17 16 12 9 6 15 8 12 9 14 5 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 21007 19069 19133 0 19105 17684 18002 12164 17412 17670 19010 19319 18315 18215 14888 12344 IANA : AS64449 AS64441 AS65535 Number of 4-byte ASes: 15. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 Leaf 25044 25217 25060 0 25200 25216 25137 25478 25180 25179 25107 25169 25170 25159 25367 25534 Transit 4916 4632 4622 0 4608 4561 4621 4134 4483 4462 4600 4644 4572 4528 4315 4044 Transit-only 149 125 146 0 128 120 128 106 131 131 141 136 121 134 110 108 Total 30109 29974 29828 0 29936 29897 29886 29718 29794 29772 29848 29949 29863 29821 29792 29686 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 Avg 5.74 5.87 5.45 0.00 5.24 5.98 5.72 5.37 5.44 5.74 5.39 5.29 6.15 5.13 6.56 4.92 Std 2.31 2.26 2.34 0.00 2.15 2.23 2.38 2.15 2.31 2.25 2.34 2.24 2.36 2.30 2.40 1.66 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/30 8468 10.0.20.0/24 39637 10.0.22.0/24 39912 10.20.0.0/20 39912 10.20.30.0/30 8342 10.100.100.100/30 6067 10.128.22.0/23 34245 10.193.3.0/24 34245 10.193.12.128/28 34245 10.193.13.112/28 34245 10.193.14.32/27 34245 10.193.14.96/27 34245 10.193.14.192/28 34245 10.201.64.0/29 34245 10.205.64.0/24 34245 10.205.65.0/24 34245 10.205.252.0/24 34245 10.205.255.0/26 34245 10.216.0.0/15 34245 10.216.2.0/23 34245 10.216.4.0/23 34245 10.216.6.0/23 34245 10.216.8.0/23 34245 10.216.10.0/23 34245 10.254.250.0/24 39637 10.254.254.0/24 39637 192.168.1.0/24 25061 192.168.11.0/29 31323 192.168.192.0/21 7497 o List of hot-spots during the week. Prefix Origin AS Number of updates 189.70.0.0/19 7738 3978570 189.132.0.0/19 8151 1528307 193.43.220.0/23 35675 1421099 192.12.120.0/24 5691 484444 221.134.222.0/24 9583 468951 210.214.151.0/24 9583 443042 221.135.80.0/24 9583 428543 64.162.116.0/24 5033 347750 12.2.46.0/24 22492 302168 195.47.233.0/24 30850 260929 Total number of RIS BGP peering sessions: 642