RIS Statistics Report (20080818-20080825)
This report was generated at Mon Aug 25 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 68332 67532 65628 59139 63616 61850 60558 60673 61392 61220 60256 60613 58197 59631 59521 62409
ARIN 95363 93346 89324 89065 90164 90389 90123 92260 89674 90703 89606 90680 89773 91117 92263 90172
LACNIC 23527 20271 20000 19747 20227 20189 20196 20193 20227 20087 20166 20075 20081 20115 23420 20024
RIPE NCC 82275 57951 65459 61011 57237 64306 57284 55952 72099 64823 57759 57645 57870 56771 56313 56240
AfriNIC 1385 1373 1380 1370 1376 1379 1385 1383 1380 1378 1380 1365 1375 1383 1384 1365
Old 45165 43025 41786 42191 42369 42605 42327 42047 41792 41785 41545 42186 42004 42455 42317 42389
IANA 41 1 39 1 1 38 1 1 38 39 1 0 1 1 3 1
RFC1918 65 2 36 0 7 8 2 0 3 8 6 12 1 2 12 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 316153 283501 283652 272524 274997 280764 271876 272509 286605 280043 270719 272576 269302 271475 275233 272600
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 12802 12773 12705 12695 12769 12767 12744 12682 12699 12693 12712 12783 12743 12783 12746 12640
APNIC 3455 3439 3390 3374 3426 3419 3404 3380 3397 3386 3401 3430 3374 3428 3385 3392
RIPE NCC 12007 11975 11966 11923 11966 11952 11962 11907 11966 11948 11965 11972 11950 11951 11917 11930
LACNIC 1011 1008 1000 1004 1010 1008 1008 1000 1002 1000 1001 1008 1007 1008 1007 996
AFRINIC 216 215 215 211 213 215 216 213 215 215 215 215 214 216 214 211
IANA 2 1 1 1 2 1 1 1 2 1 1 1 2 1 1 1
Private 108 36 61 52 35 61 62 11 64 22 60 44 55 19 17 11
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 29601 29447 29338 29260 29421 29423 29397 29194 29345 29265 29355 29453 29345 29406 29287 29181
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3943 4567 4521 5275 4610 5409 5332 7800 5534 5620 4617 4451 5043 4622 6246 7806
APNIC 902 1050 1128 1284 1129 1260 1186 1610 1235 1306 1085 1088 1201 1116 1483 1788
RIPE NCC 3667 4478 4248 4990 4356 4991 4465 7350 4569 4615 4446 4433 4735 4675 6060 6927
LACNIC 335 398 399 414 396 403 403 475 413 424 392 387 414 394 412 497
AFRINIC 78 85 82 87 86 90 85 99 88 88 86 87 89 87 96 106
IANA 0 0 0 1 0 0 0 1 1 0 0 1 1 1 1 1
Private 87 28 55 46 27 53 54 10 59 17 54 32 46 16 13 9
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9012 10606 10433 12097 10604 12206 11525 17345 11899 12070 10680 10479 11529 10911 14311 17134
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8859 8206 8184 7420 8159 7358 7412 4882 7165 7073 8095 8332 7700 8161 6500 4834
APNIC 2553 2389 2262 2090 2297 2159 2218 1770 2162 2080 2316 2342 2173 2312 1902 1604
RIPE NCC 8340 7497 7718 6933 7610 6961 7497 4557 7397 7333 7519 7539 7215 7276 5857 5003
LACNIC 676 610 601 590 614 605 605 525 589 576 609 621 593 614 595 499
AFRINIC 138 130 133 124 127 125 131 114 127 127 129 128 125 129 118 105
IANA 2 1 1 0 2 1 1 0 1 1 1 0 1 0 0 0
Private 21 8 6 6 8 8 8 1 5 5 6 12 9 3 4 2
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20589 18841 18905 17163 18817 17217 17872 11849 17446 17195 18675 18974 17816 18495 14976 12047
IANA : AS64449 AS65535
Number of 4-byte ASes: 13.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 24635 24781 24676 24790 24756 24842 24755 25035 24750 24737 24737 24747 24816 24755 24890 25107
Transit 4825 4540 4522 4354 4542 4463 4518 4053 4459 4400 4481 4571 4409 4529 4287 3972
Transit-only 150 131 142 116 126 123 128 108 136 129 137 140 121 130 111 101
Total 29610 29452 29340 29260 29424 29428 29401 29196 29345 29266 29355 29458 29346 29414 29288 29180
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.77 6.00 5.50 5.67 5.32 5.98 5.79 5.38 5.70 5.96 5.41 5.27 5.94 5.18 6.55 4.96
Std 2.36 2.36 2.41 2.31 2.23 2.27 2.44 2.17 2.51 2.31 2.41 2.28 2.25 2.39 2.43 1.61
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.22.0/24 39912
10.10.12.0/24 34245
10.10.13.0/24 34245
10.20.0.0/20 39912
10.20.30.0/30 8342
10.24.1.0/24 10796
10.24.14.0/24 10796
10.30.0.0/21 6731
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
10.221.3.131/32 1267
10.221.3.132/32 1267
10.221.3.141/32 1267
10.221.3.142/32 1267
172.16.0.0/22 6067
172.16.0.1/32 6067
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
172.25.4.0/24 31501
172.31.160.0/19 11060
192.0.2.1/32 39120
192.168.1.1/32 6731
192.168.2.0/24 34245
192.168.10.0/24 34245
192.168.103.0/25 65347
192.168.103.128/25 65347
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
o List of hot-spots during the week.
Prefix Origin AS Number of updates
189.152.0.0/19 8151 4209756
189.132.0.0/19 8151 4209745
83.228.71.0/24 8866 690751
192.12.120.0/24 5691 566620
189.148.0.0/19 8151 538817
221.134.222.0/24 9583 529319
206.25.9.0/24 32761 322989
210.214.151.0/24 9583 315406
210.210.112.0/24 9583 312837
189.158.0.0/19 8151 302400
Total number of RIS BGP peering sessions: 640