RIS Statistics Report (20090413-20090420)
This report was generated at Mon Apr 20 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 122146 73840 63423 0 71966 67520 67498 64790 65269 64646 65760 66216 116497 61696 70941 69429
ARIN 106251 97765 92015 0 94308 93535 93606 95201 92541 92309 93229 93062 100289 91635 96586 92847
LACNIC 28023 22315 21851 0 22446 22231 22360 22126 22185 22132 22212 22149 24633 21630 26244 21977
RIPE NCC 348518 64190 76885 0 67524 74755 64855 62054 64321 66942 64559 64478 314355 62019 65564 63164
AfriNIC 3463 3102 3050 0 3172 3108 3117 3092 3117 3116 3129 3121 3416 3004 3292 3082
Old 115457 43391 41551 0 42942 42832 42872 42433 41719 41733 41933 41805 112772 41072 44889 42598
IANA 35633 4 2 0 1 0 0 0 0 2 2 2 35630 0 1 2
RFC1918 14975 0 5 0 6 5 45 0 1 2 2 4 14916 0 13 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 774466 304607 298782 0 302365 303986 294353 289696 289153 290882 290826 290837 722508 281056 307530 293099
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 13466 13265 13192 0 13254 13266 13245 13054 13203 13197 13224 13218 13251 13106 13396 13128
APNIC 3750 3712 3654 0 3698 3687 3668 3637 3660 3649 3674 3675 3664 3625 3674 3659
RIPE NCC 13331 13143 13109 0 13125 13138 13137 12981 13145 13119 13152 13144 13132 13030 13258 13083
LACNIC 1131 1117 1108 0 1119 1115 1115 1108 1108 1109 1111 1110 1118 1096 1129 1103
AFRINIC 257 254 252 0 253 254 253 249 252 253 254 255 252 247 254 248
IANA 2 2 2 0 2 2 2 2 2 2 2 2 2 2 2 2
Private 95 47 41 0 40 23 32 9 29 30 29 31 38 8 32 18
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 32034 31542 31360 0 31492 31486 31454 31041 31401 31361 31448 31437 31459 31115 31746 31243
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3960 4687 4814 0 4996 5281 5255 7608 5238 5647 4660 5024 5042 6505 6279 7908
APNIC 958 1145 1251 0 1269 1207 1241 1743 1378 1399 1146 1227 1290 1449 1520 1864
RIPE NCC 3753 4721 4742 0 4736 4801 4768 7572 4835 4914 4579 4730 4725 7076 6483 7462
LACNIC 340 413 429 0 421 398 398 503 415 440 392 408 419 524 420 522
AFRINIC 80 100 98 0 102 100 90 113 94 102 92 100 99 128 99 119
IANA 0 1 1 0 0 0 0 1 0 1 0 0 0 2 1 0
Private 74 38 33 0 31 16 22 5 22 20 21 23 26 7 19 13
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9165 11105 11368 0 11555 11803 11774 17545 11982 12523 10890 11512 11601 15691 14821 17888
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9506 8578 8378 0 8258 7985 7990 5446 7965 7550 8564 8194 8209 6601 7117 5220
APNIC 2792 2567 2403 0 2429 2480 2427 1894 2282 2250 2528 2448 2374 2176 2154 1795
RIPE NCC 9578 8422 8367 0 8389 8337 8369 5409 8310 8205 8573 8414 8407 5954 6775 5621
LACNIC 791 704 679 0 698 717 717 605 693 669 719 702 699 572 709 581
AFRINIC 177 154 154 0 151 154 163 136 158 151 162 155 153 119 155 129
IANA 2 1 1 0 2 2 2 1 2 1 2 2 2 0 1 2
Private 21 9 8 0 9 7 10 4 7 10 8 8 12 1 13 5
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 22869 20437 19992 0 19937 19683 19680 13496 19419 18838 20558 19925 19858 15424 16925 13355
IANA : AS65535 AS60055
Number of 4-byte ASes: 32.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 24927 25463 24752 0 26368 24804 24740 24788 24748 25375 24717 24969 24890 26726 25197 26498
Transit 6938 5925 6414 0 4987 6514 6534 6040 6467 5814 6542 6285 6394 4274 6387 4620
Transit-only 195 166 201 0 147 182 194 217 203 178 208 201 183 117 173 128
Total 32060 31554 31367 0 31502 31500 31468 31045 31418 31367 31467 31455 31467 31117 31757 31246
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.85 6.04 5.15 0.00 5.14 6.12 5.68 5.46 5.58 6.01 5.58 5.46 6.13 4.27 7.04 4.97
Std 2.41 2.36 2.20 0.00 2.16 2.28 2.40 2.24 2.49 2.51 2.47 2.34 2.45 1.63 2.62 1.77
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/8 9367
10.82.8.0/26 8968
10.95.208.0/22 35807
10.95.216.0/22 35807
10.100.100.100/30 6067
10.130.0.0/16 35807
10.255.150.0/23 8546
172.16.0.0/16 8546
172.28.28.0/24 8342
172.30.157.0/26 8968
192.168.0.0/24 6730
192.168.20.0/24 6730
192.168.199.196/30 13237
Can not connect to DB rrc10
Total number of RIS BGP peering sessions: 637