RIS Statistics Report (20090518-20090525)
This report was generated at Mon May 25 00:15:01 UTC 2009. 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 88578 75347 65949 0 85425 68658 66765 64808 65446 65282 65894 66862 70964 0 64772 69893
ARIN 118203 99820 99105 0 115978 99884 96071 97235 95729 94978 99743 99673 99957 0 96067 95057
LACNIC 31216 22266 22079 0 29248 22217 22316 22033 22139 22146 22156 22165 22439 0 24626 22253
RIPE NCC 482813 64455 84058 0 218210 74863 74465 62522 64144 67678 65123 65382 294049 0 63693 63767
AfriNIC 3893 3078 3122 0 3870 3074 3089 3067 3093 3092 3101 3103 3096 0 3090 3078
Old 50532 43558 41786 0 48647 42763 42667 42260 41544 41578 41776 41804 42444 0 42699 42593
IANA 48 2 23 0 44 1 1 1 1 2 2 2 1 0 1 2
RFC1918 3903 0 3 0 162 8 0 0 0 5 4 24 3735 0 7 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 779186 308526 316125 0 501584 311468 305374 291926 292096 294761 297799 299015 536685 0 294955 296643
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 13335 13300 13238 0 13295 13291 13295 13044 13219 13224 13244 13241 13280 0 13254 13173
APNIC 3755 3750 3695 0 3725 3721 3705 3647 3692 3688 3704 3706 3694 0 3663 3694
RIPE NCC 13318 13268 13267 0 13263 13263 13271 13101 13268 13267 13276 13276 13271 0 13218 13232
LACNIC 1138 1131 1122 0 1133 1131 1130 1113 1121 1121 1124 1124 1132 0 1132 1120
AFRINIC 263 262 262 0 262 263 263 256 260 261 262 262 262 0 259 260
IANA 2 1 2 0 1 2 1 0 2 2 2 2 2 0 1 2
Private 107 37 56 0 36 33 38 10 29 31 47 56 47 0 26 22
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 31919 31750 31643 0 31716 31705 31704 31172 31592 31595 31660 31668 31689 0 31554 31504
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4204 4835 4928 0 4971 5616 5042 8191 5658 5889 4968 5055 5093 0 7244 7515
APNIC 1012 1177 1270 0 1308 1268 1295 1920 1433 1462 1233 1279 1310 0 1756 1730
RIPE NCC 4223 5012 4783 0 4913 5306 5026 8310 5335 5230 4985 5039 4886 0 7678 7302
LACNIC 377 455 441 0 444 442 449 546 469 467 432 434 443 0 469 542
AFRINIC 97 117 101 0 109 111 106 130 103 110 107 104 107 0 118 136
IANA 1 1 2 0 0 2 1 0 2 2 2 2 2 0 1 2
Private 77 27 40 0 28 20 22 6 17 16 31 40 26 0 16 21
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9991 11624 11565 0 11773 12765 11941 19103 13017 13176 11758 11953 11867 0 17282 17248
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9131 8465 8310 0 8324 7675 8253 4853 7561 7335 8276 8186 8187 0 6010 5658
APNIC 2743 2573 2425 0 2417 2453 2410 1727 2259 2226 2471 2427 2384 0 1907 1964
RIPE NCC 9095 8256 8484 0 8350 7957 8245 4791 7933 8037 8291 8237 8385 0 5540 5930
LACNIC 761 676 681 0 689 689 681 567 652 654 692 690 689 0 663 578
AFRINIC 166 145 161 0 153 152 157 126 157 151 155 158 155 0 141 124
IANA 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0
Private 30 10 16 0 8 13 16 4 12 15 16 16 21 0 10 1
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 21928 20126 20078 0 19943 18940 19763 12069 18575 18419 19902 19715 19822 0 14272 14256
IANA : AS65535 AS64001
Number of 4-byte ASes: 40.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 26656 26777 26687 0 26769 26803 26717 26794 26753 26732 26704 26741 26717 0 27050 27072
Transit 5112 4846 4808 0 4822 4774 4849 4238 4698 4718 4812 4779 4827 0 4391 4326
Transit-only 172 138 163 0 138 141 155 148 150 150 156 163 153 0 121 112
Total 31940 31761 31658 0 31729 31718 31721 31180 31601 31600 31672 31683 31697 0 31562 31510
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.86 6.08 5.50 0.00 5.06 6.07 5.62 5.33 5.56 6.02 5.49 5.54 6.29 0.00 6.85 5.01
Std 2.39 2.37 2.44 0.00 2.07 2.27 2.33 2.20 2.50 2.37 2.43 2.42 2.49 0.00 2.30 1.67
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/8 39390
10.10.12.0/24 39390
10.10.27.0/24 39390
10.10.37.0/24 39390
10.12.11.0/24 39390
10.31.12.0/24 31117
10.55.13.152/30 39390
10.99.99.99/32 6407
10.100.100.100/30 6067
10.201.0.0/16 49160
10.203.0.0/16 49160
10.204.0.0/16 49160
10.205.0.0/16 49160
10.206.0.0/16 49160
10.207.0.0/16 49160
10.208.0.0/16 49160
10.209.0.0/16 49160
10.210.0.0/16 49160
10.211.0.0/16 49160
10.212.0.0/16 49160
10.214.0.0/16 49160
10.215.0.0/16 49160
10.216.0.0/16 49160
10.217.0.0/16 49160
10.218.0.0/16 49160
10.219.0.0/16 49160
10.220.0.0/16 49160
10.221.0.0/16 49160
10.221.3.149/32 1267
10.221.3.150/32 1267
10.221.3.151/32 1267
10.221.3.152/32 1267
10.222.0.0/16 49160
10.223.0.0/16 49160
10.238.0.0/16 39390
10.238.1.0/24 39390
10.238.2.0/24 39390
10.238.4.0/24 39390
10.238.5.0/24 39390
10.238.6.0/24 39390
10.238.7.0/24 39390
10.238.8.0/24 39390
10.238.9.0/24 39390
10.238.10.0/24 39390
10.238.11.0/24 39390
10.238.12.0/24 39390
10.238.13.0/24 39390
10.238.14.0/24 39390
10.238.15.0/24 39390
10.238.16.0/24 39390
10.238.17.0/24 39390
10.238.18.0/24 39390
10.238.19.0/24 39390
10.238.20.0/24 39390
10.238.21.0/24 39390
10.238.22.0/24 39390
10.238.23.0/24 39390
10.238.24.0/24 39390
10.238.26.0/24 39390
10.238.27.0/24 39390
10.238.28.0/24 39390
10.238.29.0/24 39390
10.238.30.0/24 39390
10.238.31.0/24 39390
10.238.32.0/24 39390
10.238.33.0/24 39390
10.238.34.0/24 39390
10.238.35.0/24 39390
10.238.37.0/24 39390
10.238.39.0/24 39390
10.238.43.0/24 39390
10.238.45.0/24 39390
10.238.47.0/24 39390
10.238.72.0/24 39390
10.238.83.0/24 39390
10.238.175.0/24 39390
10.238.192.0/24 39390
10.238.204.0/24 39390
10.238.206.0/24 39390
10.238.208.0/24 39390
10.238.238.0/24 39390
172.30.157.0/26 8968
192.168.192.0/24 49160
192.168.200.0/21 49160
192.168.208.0/20 49160
o List of hot-spots during the week.
Prefix Origin AS Number of updates
92.46.244.0/23 9198 1432182
89.218.220.0/23 9198 1426134
89.218.218.0/23 9198 1425650
95.59.2.0/23 9198 1424795
95.59.4.0/22 9198 1424585
95.59.8.0/23 9198 1424463
41.204.2.0/24 32398 555275
194.110.240.0/24 42778 313268
64.69.192.0/20 16931 282169
217.69.180.0/24 29357 259368
Total number of RIS BGP peering sessions: 633