RIS Statistics Report (20090615-20090622)
This report was generated at Mon Jun 22 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 76425 76132 65946 0 72162 68956 67651 66352 65641 65797 66140 67139 70489 0 64968 71442
ARIN 97397 96467 92989 0 94489 93860 94036 93878 92955 92896 93804 93714 93782 0 94060 93675
LACNIC 24908 22406 22113 0 22414 22250 22408 22304 22209 22203 22223 22233 22276 0 24750 22177
RIPE NCC 110804 64922 66842 0 65591 74408 74518 63155 64408 67367 65099 65437 91259 0 63844 64075
AfriNIC 2966 2947 2941 0 2952 2919 2935 2923 2934 2947 2943 2947 2944 0 2925 2936
Old 45143 43794 41980 0 42952 42957 42880 42558 41832 41861 42040 42013 42668 0 42859 42959
IANA 2 1 1 0 1 0 0 0 0 1 1 1 0 0 1 1
RFC1918 47 0 3 0 3 4 1 0 0 3 4 0 35 0 1 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 357692 306669 292815 0 300564 305354 304429 291170 289979 293075 292254 293484 323453 0 293408 297265
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 13355 13334 13260 0 13337 13310 13313 13225 13239 13249 13259 13263 13296 0 13275 13206
APNIC 3795 3786 3731 0 3769 3754 3737 3713 3723 3716 3736 3746 3712 0 3699 3726
RIPE NCC 13449 13402 13398 0 13411 13390 13399 13331 13391 13387 13402 13407 13389 0 13339 13376
LACNIC 1146 1141 1132 0 1142 1139 1136 1136 1129 1131 1135 1135 1141 0 1138 1130
AFRINIC 262 260 260 0 262 259 259 255 259 258 260 262 258 0 255 256
IANA 1 1 1 0 1 1 1 0 1 1 1 1 1 0 0 1
Private 85 40 37 0 36 24 24 11 17 16 14 20 27 0 20 17
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 32094 31965 31820 0 31959 31878 31870 31672 31760 31759 31808 31835 31825 0 31727 31713
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4394 4880 5227 0 5092 5917 5571 8745 6259 6240 5471 5524 5967 0 7854 8140
APNIC 1104 1223 1380 0 1346 1406 1439 1989 1633 1524 1349 1397 1567 0 1925 1922
RIPE NCC 4542 5165 5219 0 5011 5917 5531 9322 6006 5892 5611 5417 5700 0 8856 7901
LACNIC 393 467 471 0 450 489 493 599 522 506 481 472 481 0 529 550
AFRINIC 103 109 109 0 106 116 110 133 118 114 117 108 116 0 131 123
IANA 0 0 1 0 0 1 1 0 1 1 0 1 0 0 0 1
Private 64 30 30 0 27 16 14 9 12 10 12 16 16 0 12 14
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 10600 11874 12437 0 12032 13862 13159 20797 14551 14287 13041 12935 13847 0 19307 18651
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8961 8454 8033 0 8245 7393 7742 4480 6980 7009 7788 7739 7329 0 5421 5066
APNIC 2691 2563 2351 0 2423 2348 2298 1724 2090 2192 2387 2349 2145 0 1774 1804
RIPE NCC 8907 8237 8179 0 8400 7473 7868 4009 7385 7495 7791 7990 7689 0 4483 5475
LACNIC 753 674 661 0 692 650 643 537 607 625 654 663 660 0 609 580
AFRINIC 159 151 151 0 156 143 149 122 141 144 143 154 142 0 124 133
IANA 1 1 0 0 1 0 0 0 0 0 1 0 1 0 0 0
Private 21 10 7 0 9 8 10 2 5 6 2 4 11 0 8 3
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 21494 20091 19383 0 19927 18016 18711 10875 17209 17472 18767 18900 17978 0 12420 13062
IANA : AS65535
Number of 4-byte ASes: 48.
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/8 6067
10.100.100.100/30 6067
10.123.10.0/24 49421
10.221.3.149/32 1267
10.221.3.150/32 1267
10.221.3.161/32 1267
10.221.3.162/32 1267
172.28.28.0/24 8342
172.30.157.0/26 8968
192.168.0.0/24 6730
192.168.20.0/24 6730
192.168.145.0/24 6730
o List of hot-spots during the week.
Prefix Origin AS Number of updates
95.59.1.0/24 9198 62396
88.204.221.0/24 9198 62057
95.59.4.0/22 9198 61685
95.59.8.0/23 9198 61679
95.59.2.0/23 9198 61670
89.218.220.0/23 9198 60876
89.218.218.0/23 9198 60859
92.46.244.0/23 9198 54967
193.201.184.0/21 25546 28242
202.51.188.0/24 7473 8301
Total number of RIS BGP peering sessions: 631