RIS Statistics Report (20080922-20080929)
This report was generated at Mon Sep 29 00:15:01 UTC 2008. 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 67940 66868 58477 59091 64458 61172 61128 60098 59054 60011 59359 60372 58835 58900 59018 63188
ARIN 94773 93860 89339 90157 90525 90604 90641 92852 89723 89835 89984 90798 89973 89621 91544 90740
LACNIC 23174 20126 19855 20340 20254 20142 20516 20502 20394 20327 20059 19907 20013 19918 22945 19716
RIPE NCC 80225 59597 59311 63240 58440 59101 60849 57285 65874 59488 58765 58287 58734 57567 57789 57503
AfriNIC 1492 1459 1456 1459 1461 1467 1489 1474 1469 1483 1463 1423 1454 1461 1473 1464
Old 45681 43479 41581 42888 42544 42839 42872 42452 41609 41850 41907 42215 42109 41843 42397 42701
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
RFC1918 487 0 27 0 1 1 434 0 1 2 0 9 1 0 13 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 313772 285389 270046 277175 277683 275326 277929 274663 278124 272996 271537 273011 271119 269310 275179 275312
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 12863 12825 12740 12820 12825 12815 12801 12751 12748 12756 12764 12822 12798 12761 12796 12699
APNIC 3514 3503 3438 3465 3479 3468 3452 3430 3440 3450 3454 3481 3429 3456 3431 3432
RIPE NCC 12179 12151 12134 12137 12146 12132 12146 12086 12139 12138 12141 12145 12129 12123 12093 12104
LACNIC 1026 1025 1014 1023 1024 1020 1022 1017 1012 1015 1014 1023 1022 1015 1024 1012
AFRINIC 226 226 224 226 226 224 226 223 224 225 225 225 223 225 224 223
IANA 1 1 1 1 1 0 0 0 1 1 1 1 1 1 0 1
Private 91 61 22 45 42 49 47 32 33 30 43 49 36 40 27 24
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 29900 29792 29573 29717 29743 29708 29694 29539 29597 29615 29642 29746 29638 29621 29595 29495
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3923 4611 4842 5002 4697 5392 4873 7534 5707 5316 4780 4541 5092 4846 6330 7620
APNIC 865 1067 1265 1315 1132 1214 1168 1632 1247 1280 1098 1091 1215 1170 1453 1807
RIPE NCC 3716 4520 4492 4732 4377 4963 4408 7270 4697 4608 4614 4541 4696 5002 6323 6976
LACNIC 346 415 424 409 406 419 416 491 438 441 407 408 436 424 433 504
AFRINIC 81 94 89 95 93 94 90 104 93 96 95 90 96 90 105 113
IANA 1 1 1 1 1 0 0 0 1 1 1 1 1 1 0 1
Private 72 47 14 35 31 37 36 28 24 22 36 37 24 33 17 18
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9004 10755 11127 11589 10737 12119 10991 17059 12207 11764 11031 10709 11560 11566 14661 17039
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8940 8214 7898 7818 8128 7423 7928 5217 7041 7440 7984 8281 7706 7915 6466 5079
APNIC 2649 2436 2173 2150 2347 2254 2284 1798 2193 2170 2356 2390 2214 2286 1978 1625
RIPE NCC 8463 7631 7642 7405 7769 7169 7738 4816 7442 7530 7527 7604 7433 7121 5770 5128
LACNIC 680 610 590 614 618 601 606 526 574 574 607 615 586 591 591 508
AFRINIC 145 132 135 131 133 130 136 119 131 129 130 135 127 135 119 110
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 19 14 8 10 11 12 11 4 9 8 7 12 12 7 10 6
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20896 19037 18446 18128 19006 17589 18703 12480 17390 17851 18611 19037 18078 18055 14934 12456
IANA : AS65535
Number of 4-byte ASes: 15.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 24905 25061 24978 25062 25044 25080 24986 25316 25004 25022 25005 25042 25064 25029 25221 25355
Transit 4862 4603 4464 4529 4576 4508 4585 4120 4462 4455 4502 4577 4454 4461 4262 4035
Transit-only 148 137 135 136 130 128 132 107 134 142 138 135 125 138 116 109
Total 29915 29801 29577 29727 29750 29716 29703 29543 29600 29619 29645 29754 29643 29628 29599 29499
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.72 5.94 5.15 6.02 5.25 6.05 5.72 5.43 5.59 5.89 5.35 5.15 5.82 5.07 6.45 4.97
Std 2.28 2.30 2.14 2.44 2.15 2.25 2.33 2.18 2.38 2.26 2.27 2.15 2.18 2.24 2.30 1.63
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.22.0/24 39912
10.20.0.0/20 39912
10.20.30.0/30 8342
10.24.1.0/24 10796
10.24.14.0/24 10796
10.100.100.100/30 6067
10.128.22.0/23 34245
10.193.3.0/24 34245
10.193.12.128/28 34245
10.193.14.32/27 34245
10.193.14.96/27 34245
10.193.14.192/28 34245
10.201.64.0/29 34245
10.205.64.0/24 34245
10.205.65.0/24 34245
10.205.252.0/24 34245
10.205.255.0/26 34245
10.216.0.0/15 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
172.17.160.0/24 10796
172.17.161.0/24 10796
172.17.176.0/24 10796
172.17.177.0/24 10796
172.23.224.0/28 2119
172.31.160.0/19 11060
192.0.2.0/24 12956
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
192.168.192.0/21 7497
o List of hot-spots during the week.
Prefix Origin AS Number of updates
189.132.0.0/19 8151 2885625
189.70.0.0/19 7738 2885622
200.108.220.0/24 20255 536520
200.108.200.0/24 20255 530069
221.134.222.0/24 9583 446135
192.12.120.0/24 5691 434760
210.214.151.0/24 9583 381285
12.18.36.0/24 11971 307116
221.135.80.0/24 9583 301533
210.210.112.0/24 9583 283383
Total number of RIS BGP peering sessions: 642