RIS Statistics Report (20070924-20071001) This report was generated at Mon Oct 1 00:15:02 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 58165 53336 51207 50606 56945 39871 52643 21260 42654 43556 43158 52717 52122 51422 52446 ARIN 85969 82803 81881 80881 85380 60371 81984 20481 53225 65051 74727 82293 81894 82022 83303 LACNIC 20292 16305 16140 16124 16277 13711 16254 8798 11722 15479 15798 16256 16239 16228 20283 RIPE NCC 51914 47364 48268 46206 49077 36008 48258 22675 39155 41740 39970 47956 47149 46349 46544 AfriNIC 2936 2725 2745 2327 2775 1594 2688 1129 2592 2255 2354 2749 2748 2347 2344 Old 39692 38877 37752 37313 38856 29497 38346 10688 23139 31727 34496 38509 37726 38304 38718 IANA 3 3 2 2 2 1 2 1 3 2 2 2 3 2 2 RFC1918 59 0 22 0 6 0 26 0 0 0 0 0 5 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 259030 241413 238017 233459 249318 181053 240201 85032 172490 199810 210505 240482 237886 236674 243640 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 12876 12853 12622 12683 12838 10670 12820 5231 9527 11496 11865 12835 12741 12834 12813 APNIC 3063 3051 3008 2977 3041 2647 3021 1684 2728 2598 2738 3048 3002 3019 3020 RIPE NCC 10327 10294 10191 10253 10313 8775 10276 6232 9150 9569 9237 10306 10295 10270 10262 LACNIC 380 377 372 368 377 348 376 249 308 358 369 377 371 377 379 AFRINIC 69 69 68 69 69 61 69 50 67 66 67 69 69 69 69 IANA 2 2 2 1 2 1 2 1 2 1 2 2 2 2 1 Private 59 41 35 18 51 25 31 14 33 20 26 42 37 22 24 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 26777 26687 26299 26369 26691 22527 26595 13461 21815 24108 24304 26679 26517 26593 26568 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 4001 4331 5016 7714 4461 5037 5735 2022 3787 5810 5442 4759 6115 4607 5602 APNIC 842 942 1084 1675 1014 1098 1133 763 990 1256 1203 1004 1247 1041 1231 RIPE NCC 3077 3447 3921 6054 3413 3752 3882 2814 3629 4206 3813 3765 3979 3984 4655 LACNIC 145 164 178 220 159 172 182 125 147 173 182 172 195 166 164 AFRINIC 35 38 40 46 37 36 40 32 41 41 41 40 41 40 43 IANA 2 2 2 1 2 1 2 1 2 1 2 2 2 2 1 Private 37 24 20 7 32 10 21 6 19 8 13 24 22 9 11 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8139 8948 10261 15717 9118 10106 10995 5763 8615 11495 10696 9766 11601 9849 11707 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8875 8522 7606 4969 8377 5633 7085 3209 5740 5686 6423 8076 6626 8227 7211 APNIC 2221 2109 1924 1302 2027 1549 1888 921 1738 1342 1535 2044 1755 1978 1789 RIPE NCC 7250 6847 6270 4199 6900 5023 6394 3418 5521 5363 5424 6541 6316 6286 5607 LACNIC 235 213 194 148 218 176 194 124 161 185 187 205 176 211 215 AFRINIC 34 31 28 23 32 25 29 18 26 25 26 29 28 29 26 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 22 17 15 11 19 15 10 8 14 12 13 18 15 13 13 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 18638 17739 16038 10652 17573 12421 15600 7698 13200 12613 13608 16913 14916 16744 14861 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 22264 22332 22073 22553 22317 18658 22361 10416 17894 20157 20300 22364 22392 22326 22494 Transit 4382 4232 4061 3698 4242 3501 4120 2156 3517 3701 3729 4181 3989 4150 3959 Transit-only 150 135 176 125 145 378 125 896 411 257 289 146 144 131 122 Total 26796 26699 26310 26376 26704 22537 26606 13468 21822 24115 24318 26691 26525 26607 26575 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.31 6.26 6.16 6.04 6.12 6.17 6.14 6.10 6.38 6.30 5.99 6.23 6.92 5.68 6.74 Std 2.67 2.60 2.75 2.54 2.74 2.56 2.59 2.55 2.71 2.67 2.72 2.75 2.77 2.59 2.53 o List of martians appearing throughout the week. Prefix Origin AS 10.5.0.0/24 13768 10.7.0.0/24 13768 10.11.12.0/24 34245 10.11.13.0/24 34245 10.90.0.0/24 38964 10.193.3.0/24 34245 10.193.12.128/28 34245 10.193.14.32/27 34245 10.193.14.64/27 34245 10.193.14.96/27 34245 10.200.0.0/24 38964 10.216.0.0/23 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 10.250.110.0/28 12389 10.250.110.16/28 12389 10.255.250.8/32 12389 10.255.255.1/32 13768 172.16.2.2/32 8447 172.16.19.21/32 6295 172.16.19.22/32 6295 172.17.52.128/30 8447 172.17.53.4/30 8447 172.17.57.8/30 8447 172.17.57.28/30 8447 172.17.64.100/30 8447 172.17.65.24/30 8447 172.17.69.84/30 8447 172.17.90.64/30 8447 172.17.90.160/30 8447 172.17.92.48/30 8447 172.28.70.122/32 8447 172.28.70.123/32 8447 172.28.70.125/32 8447 172.28.70.126/32 8447 172.28.70.127/32 8447 172.28.70.130/32 8447 172.28.70.131/32 8447 172.28.70.132/32 8447 172.28.70.133/32 8447 172.28.70.134/32 8447 172.28.70.135/32 8447 172.28.70.137/32 8447 172.28.70.140/32 8447 172.28.70.141/32 8447 172.30.1.1/32 6774 192.0.2.0/24 3226 192.168.2.0/24 34245 192.168.10.0/24 34245 192.168.107.0/24 34245 192.168.108.0/24 34245 192.168.109.0/24 34245 192.168.117.0/24 34245 192.168.118.0/24 34245 192.168.119.0/24 34245 o List of hot-spots during the week. Prefix Origin AS Number of updates 203.34.88.0/24 18117 1422976 209.163.125.0/24 14390 1164411 203.83.127.0/24 17540 704244 210.214.211.0/24 9583 651973 210.214.221.0/24 9583 647786 210.214.210.0/24 9583 629135 210.214.173.0/24 9583 609149 210.214.172.0/24 9583 600227 210.214.177.0/24 9583 588095 221.135.77.0/24 9583 587909 Total number of RIS BGP peering sessions: 590