RIS Statistics Report (20071001-20071008) This report was generated at Mon Oct 8 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 55092 52232 51622 17266 52501 52009 51812 16669 50821 41825 49141 52275 51480 44156 37799 ARIN 85143 82959 82810 19018 83352 82433 82440 17153 82709 56167 78273 83704 82276 79466 27384 LACNIC 17272 15816 15696 7197 15808 15838 15822 6840 15738 12013 15561 15818 15752 15622 12380 RIPE NCC 52217 49088 49740 28671 49990 48930 49435 22564 49472 35580 43420 47626 47481 45802 26082 AfriNIC 3320 3199 2872 1555 2901 2346 2858 1284 2872 1728 2721 2883 2882 2326 1503 Old 40300 39050 38685 10594 39136 38323 38023 9681 37699 22234 36925 39304 37780 37205 16674 IANA 4 3 3 1 2 3 2 1 3 1 3 3 3 3 2 RFC1918 102 4 12 0 7 0 16 0 0 0 4 74 1 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 253450 242351 241440 84302 243697 239882 240408 74192 239314 169548 226048 241687 237655 224580 121824 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 12901 12844 0 5281 12859 12855 12815 4743 12791 9659 12268 12870 12781 12599 6644 APNIC 3057 3036 0 1436 3032 3027 3009 1561 3022 2701 2924 3043 3002 2710 2736 RIPE NCC 10369 10327 0 7376 10338 10311 10311 5963 10315 8553 9710 10333 10342 10165 6767 LACNIC 382 381 0 254 379 380 381 230 372 334 369 379 373 380 332 AFRINIC 71 71 0 56 71 71 71 55 71 67 71 71 71 71 54 IANA 2 2 0 1 2 2 2 2 2 2 2 2 2 2 2 Private 60 43 0 14 46 20 39 14 30 17 21 38 35 19 22 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 26843 26704 0 14418 26728 26666 26628 12568 26603 21333 25366 26737 26606 25947 16557 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 4132 4984 0 2148 4651 5762 6061 2015 5895 5078 5490 5651 5479 5243 2735 APNIC 874 997 0 550 988 1183 1161 576 1132 1332 1314 1103 1111 1040 1318 RIPE NCC 3151 3723 0 3377 3596 4234 4003 2663 4312 3825 4389 4382 3803 4272 2761 LACNIC 151 172 0 123 159 180 178 110 177 166 175 172 176 177 154 AFRINIC 39 39 0 30 41 41 41 29 42 39 42 42 40 40 27 IANA 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 Private 40 25 0 8 30 10 28 8 19 8 11 25 25 9 13 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8388 9941 0 6237 9467 11411 11473 5402 11578 10449 11422 11377 10635 10783 7009 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8769 7860 0 3133 8208 7093 6754 2728 6896 4581 6778 7219 7302 7356 3909 APNIC 2183 2039 0 886 2044 1844 1848 985 1890 1369 1610 1940 1891 1670 1418 RIPE NCC 7218 6604 0 3999 6742 6077 6308 3300 6003 4728 5321 5951 6539 5893 4006 LACNIC 231 209 0 131 220 200 203 120 195 168 194 207 197 203 178 AFRINIC 32 32 0 26 30 30 30 26 29 28 29 29 31 31 27 IANA 1 1 0 0 1 1 1 1 1 1 1 1 1 1 1 Private 20 18 0 6 16 10 11 6 11 9 10 13 10 10 9 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 18455 16763 0 8181 17261 15255 15155 7166 15025 10884 13944 15360 15971 15164 9548 IANA : AS64250 AS65535 Number of 4-byte ASes: 12. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 22316 22388 0 11261 22361 22472 22376 9597 22436 17615 21310 22464 22419 21760 13086 Transit 4395 4177 0 2323 4228 4082 4115 2051 4039 3300 3832 4145 4053 3984 2789 Transit-only 154 155 0 839 157 127 148 924 144 426 235 143 140 216 687 Total 26865 26720 0 14423 26746 26681 26639 12572 26619 21341 25377 26752 26612 25960 16562 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.40 6.53 0.00 6.42 6.24 5.94 6.26 6.20 6.36 6.45 6.05 6.31 6.78 5.83 7.42 Std 2.78 2.80 0.00 2.73 2.81 2.53 2.74 2.64 2.79 2.72 2.82 2.79 2.73 2.73 2.84 o List of martians appearing throughout the week. Prefix Origin AS 10.193.12.128/28 34245 10.216.4.0/23 34245 10.232.187.128/30 8342 10.255.150.0/23 8546 172.16.0.0/16 8546 172.16.2.2/32 8447 172.16.19.21/32 6295 172.16.19.22/32 6295 172.17.52.128/30 8447 172.17.54.0/24 4323 172.17.56.80/30 8447 172.17.57.28/30 8447 172.17.64.100/30 8447 172.17.64.208/30 8447 172.17.64.252/30 8447 172.17.65.24/30 8447 172.17.66.92/30 8447 172.17.67.96/30 8447 172.17.90.176/30 8447 172.17.92.48/30 8447 172.18.0.0/24 12731 172.18.1.0/24 12731 172.18.2.0/24 12731 172.18.3.0/24 12731 172.18.4.0/24 12731 172.18.5.0/24 12731 172.18.6.0/24 12731 172.18.7.0/24 12731 172.18.8.0/24 12731 172.18.9.0/24 12731 172.18.10.0/24 12731 172.18.11.0/24 12731 172.18.12.0/24 12731 172.18.13.0/24 12731 172.18.14.0/24 12731 172.18.15.0/24 12731 172.18.16.0/24 12731 172.18.17.0/24 12731 172.18.18.0/24 12731 172.18.19.0/24 12731 172.18.20.0/24 12731 172.18.21.0/24 12731 172.18.22.0/24 12731 172.18.23.0/24 12731 172.18.24.0/24 12731 172.18.25.0/24 12731 172.18.26.0/24 12731 172.18.27.0/24 12731 172.18.28.0/24 12731 172.18.29.0/24 12731 172.18.30.0/24 12731 172.18.31.0/24 12731 172.18.32.0/24 12731 172.18.33.0/24 12731 172.18.34.0/24 12731 172.18.35.0/24 12731 172.18.36.0/24 12731 172.18.37.0/24 12731 172.18.38.0/24 12731 172.18.39.0/24 12731 172.18.40.0/24 12731 172.18.41.0/24 12731 172.18.42.0/24 12731 172.18.43.0/24 12731 172.18.44.0/24 12731 172.18.45.0/24 12731 172.18.46.0/24 12731 172.18.47.0/24 12731 172.18.48.0/24 12731 172.18.49.0/24 12731 172.18.50.0/24 12731 172.18.51.0/24 12731 172.18.52.0/24 12731 172.18.53.0/24 12731 172.18.54.0/24 12731 172.18.55.0/24 12731 172.18.56.0/24 12731 172.18.57.0/24 12731 172.18.58.0/24 12731 172.18.59.0/24 12731 172.18.60.0/24 12731 172.18.61.0/24 12731 172.18.62.0/24 12731 172.18.63.0/24 12731 172.18.64.0/24 12731 172.18.65.0/24 12731 172.18.66.0/24 12731 172.18.67.0/24 12731 172.18.68.0/24 12731 172.18.69.0/24 12731 192.168.1.0/30 34347 192.168.253.0/24 4323 o List of hot-spots during the week. Prefix Origin AS Number of updates 209.163.125.0/24 14390 1237574 203.83.127.0/24 17540 693100 210.18.10.0/24 9583 637198 199.6.10.0/24 33078 561536 221.135.22.0/24 9583 417942 192.96.14.0/24 16637 362803 192.96.13.0/24 16637 362599 202.56.250.0/24 9498 278336 202.141.0.0/17 2697 250486 210.214.210.0/24 9583 239843 Total number of RIS BGP peering sessions: 595