RIS Statistics Report (20090511-20090518)
This report was generated at Mon May 18 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 80168 74484 66535 0 76757 67702 0 64253 64518 64345 64955 65835 70422 0 68751 70791
ARIN 102962 98138 93514 0 100381 94152 0 95664 93318 93197 94208 93888 97740 0 94762 93635
LACNIC 27531 22263 22270 0 24649 22246 0 22248 22340 22319 22372 22319 23082 0 25533 22229
RIPE NCC 452208 64413 98761 0 74988 74605 0 62567 165285 67453 65304 65749 295546 0 64168 64030
AfriNIC 3412 3084 3159 0 3381 3117 0 3115 3141 3138 3151 3146 3198 0 3138 3131
Old 47027 43821 42133 0 44413 42921 0 42613 42376 41918 42213 42054 43245 0 44119 42850
IANA 36 2 32 0 32 1 0 1 3 2 2 2 1 0 2 1
RFC1918 2602 1 6 0 13 4 0 0 1 3 3 1 2568 0 13 3
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 715946 306206 326410 0 324614 304748 0 290461 390982 292375 292208 292994 535802 0 300486 296670
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 13367 13289 13229 0 13287 13274 0 13027 13209 13216 13232 13229 13324 0 13252 13157
APNIC 3767 3742 3691 0 3718 3714 0 3649 3689 3688 3701 3701 3712 0 3674 3687
RIPE NCC 13315 13228 13235 0 13226 13226 0 13075 13236 13232 13242 13241 13273 0 13194 13197
LACNIC 1136 1129 1120 0 1131 1128 0 1112 1120 1119 1124 1124 1132 0 1131 1119
AFRINIC 264 263 263 0 261 262 0 259 262 262 263 261 263 0 261 256
IANA 2 2 2 0 2 2 0 1 2 2 2 2 2 0 2 2
Private 106 45 60 0 41 36 0 16 38 42 42 46 61 0 35 21
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 31958 31699 31601 0 31667 31643 0 31140 31557 31562 31607 31605 31768 0 31550 31440
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4244 4853 4935 0 5097 5695 0 8207 5613 5456 4954 5220 5129 0 6313 7900
APNIC 1039 1208 1277 0 1307 1300 0 1878 1415 1383 1238 1301 1338 0 1591 1902
RIPE NCC 4109 5117 4795 0 4893 5381 0 8323 5264 5118 4959 5108 4829 0 6967 7647
LACNIC 377 464 454 0 445 466 0 558 481 474 448 455 440 0 463 560
AFRINIC 95 111 99 0 104 120 0 131 107 111 110 105 109 0 118 126
IANA 1 1 1 0 1 1 0 0 1 1 1 1 1 0 1 2
Private 78 30 46 0 32 25 0 14 26 28 26 30 41 0 23 17
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9943 11784 11607 0 11879 12988 0 19112 12907 12571 11736 12220 11887 0 15476 18154
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9123 8436 8294 0 8190 7579 0 4820 7596 7760 8278 8009 8195 0 6939 5257
APNIC 2728 2534 2414 0 2411 2414 0 1771 2274 2305 2463 2400 2374 0 2083 1785
RIPE NCC 9206 8111 8440 0 8333 7845 0 4752 7972 8114 8283 8133 8444 0 6227 5550
LACNIC 759 665 666 0 686 662 0 554 639 645 676 669 692 0 668 559
AFRINIC 169 152 164 0 157 142 0 128 155 151 153 156 154 0 143 130
IANA 1 1 1 0 1 1 0 1 1 1 1 1 1 0 1 0
Private 28 15 14 0 9 11 0 2 12 14 16 16 20 0 12 4
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 22015 19915 19994 0 19788 18655 0 12028 18650 18991 19871 19385 19881 0 16074 13286
IANA : AS65535 AS64001
Number of 4-byte ASes: 42.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 26501 26760 26636 0 26747 26787 0 26761 26707 26686 26672 26696 26590 0 26940 27094
Transit 5304 4809 4812 0 4793 4722 0 4246 4710 4734 4792 4760 5026 0 4494 4234
Transit-only 170 140 163 0 140 143 0 139 147 148 154 160 159 0 123 118
Total 31975 31709 31611 0 31680 31652 0 31146 31564 31568 31618 31616 31775 0 31557 31446
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.83 5.87 5.44 0.00 5.12 5.97 0.00 5.32 5.52 5.83 5.43 5.39 6.26 0.00 6.88 4.97
Std 2.39 2.28 2.37 0.00 2.12 2.14 0.00 2.19 2.46 2.32 2.43 2.34 2.53 0.00 2.54 1.70
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/8 6067
10.0.0.84/30 8342
10.10.16.0/30 8342
10.10.16.32/30 65009
10.100.100.100/30 6067
10.116.0.0/14 35598
10.221.3.149/32 1267
10.221.3.150/32 1267
172.19.239.8/32 8492
172.19.239.9/32 8492
172.19.239.10/32 8492
172.19.239.11/32 8492
172.19.239.12/32 8492
172.19.239.13/32 8492
172.19.239.14/32 8492
172.19.239.15/32 8492
172.19.239.16/30 8492
172.19.240.0/20 8492
172.27.0.0/16 65370
172.28.28.0/24 8342
172.30.157.0/26 8968
192.0.2.1/32 23520
192.168.0.0/24 6730
192.168.14.0/24 48417
192.168.20.0/24 6730
192.168.64.221/32 3741
Can not connect to DB rrc00
Total number of RIS BGP peering sessions: 634