RIS Statistics Report (20080901-20080908)
This report was generated at Mon Sep 8 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 67418 66550 57901 58293 64197 60332 59356 59411 58301 58223 59096 60081 58420 59788 58312 62729
ARIN 95445 93626 88999 89823 90359 90373 90367 92513 89685 89572 89909 91006 90215 91411 92433 90378
LACNIC 22630 19812 19527 19658 19849 19829 19829 19807 19746 19669 19780 19740 19814 19783 22525 19671
RIPE NCC 76776 58303 58062 61793 57734 57628 57754 55970 64924 58287 58005 58081 58231 56857 56573 56539
AfriNIC 1443 1411 1421 1435 1426 1430 1440 1434 1426 1434 1436 1385 1430 1436 1428 1415
Old 45651 43587 41661 42810 42592 42669 42650 42367 41822 41770 41881 42470 42553 42775 42653 42653
IANA 4 1 2 0 0 1 1 1 2 2 2 1 1 1 1 0
RFC1918 61 0 28 0 5 6 2 0 1 6 4 9 1 0 13 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 309428 283290 267601 273812 276162 272268 271399 271503 275907 268963 270113 272773 270665 272051 273938 273385
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 12817 12789 12718 12759 12790 12776 12766 12744 12715 12713 12730 12794 12773 12798 12756 12662
APNIC 3489 3473 3422 3421 3459 3454 3438 3419 3428 3421 3434 3464 3409 3465 3409 3426
RIPE NCC 12066 12035 12019 12007 12017 12017 12024 11973 12022 12015 12019 12027 12009 12014 11976 11992
LACNIC 1019 1016 1006 1015 1017 1014 1014 1010 1005 1006 1006 1016 1015 1015 1015 1004
AFRINIC 219 219 218 218 219 218 219 216 218 218 218 219 218 219 217 217
IANA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Private 78 47 27 29 37 36 30 22 35 35 35 31 31 39 22 18
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 29690 29580 29411 29450 29540 29517 29493 29385 29424 29409 29444 29552 29456 29552 29396 29320
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4046 4614 4623 5527 4687 5435 5357 7291 5744 5162 4768 4581 5031 4685 6470 7668
APNIC 876 1051 1195 1336 1147 1215 1184 1491 1251 1249 1086 1108 1197 1118 1523 1852
RIPE NCC 3693 4513 4421 4845 4374 4846 4482 7106 4677 4554 4512 4567 4571 4704 6438 7076
LACNIC 338 412 411 402 403 406 406 470 420 427 393 403 422 392 428 501
AFRINIC 76 85 85 88 92 90 84 101 91 85 89 88 88 88 99 103
IANA 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1
Private 57 36 20 18 31 25 20 15 28 23 24 24 19 28 18 15
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9087 10711 10755 12216 10734 12018 11534 16475 12211 11500 10873 10771 11328 11016 14977 17216
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8771 8175 8095 7232 8103 7341 7409 5453 6971 7551 7962 8213 7742 8113 6286 4994
APNIC 2613 2422 2227 2085 2312 2239 2254 1928 2177 2172 2348 2356 2212 2347 1886 1574
RIPE NCC 8373 7522 7598 7162 7643 7171 7542 4867 7345 7461 7507 7460 7438 7310 5538 4916
LACNIC 681 604 595 613 614 608 608 540 585 579 613 613 593 623 587 503
AFRINIC 143 134 133 130 127 128 135 115 127 133 129 131 130 131 118 114
IANA 1 1 1 1 1 1 1 0 1 1 1 1 1 1 0 0
Private 21 11 7 11 6 11 10 7 7 12 11 7 12 11 4 3
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20603 18869 18656 17234 18806 17499 17959 12910 17213 17909 18571 18781 18128 18536 14419 12104
IANA : AS65535
Number of 4-byte ASes: 14.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 24720 24871 24785 24880 24871 24917 24837 25146 24850 24840 24813 24860 24865 24884 25067 25232
Transit 4838 4590 4492 4439 4552 4485 4541 4130 4445 4440 4498 4565 4473 4542 4224 3980
Transit-only 146 127 138 136 124 125 125 112 129 134 138 133 124 137 108 109
Total 29704 29588 29415 29455 29547 29527 29503 29388 29424 29414 29449 29558 29462 29563 29399 29321
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.82 6.06 5.32 6.15 5.34 6.13 5.78 5.43 5.59 5.98 5.48 5.20 5.96 5.23 6.49 4.96
Std 2.37 2.39 2.31 2.55 2.24 2.32 2.45 2.17 2.44 2.31 2.44 2.20 2.25 2.40 2.40 1.67
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.22.0/24 39912
10.20.0.0/20 39912
10.24.1.0/24 10796
10.24.14.0/24 10796
10.100.1.165/32 31117
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
172.23.224.0/28 2119
172.25.4.0/24 31501
192.168.2.0/24 34245
192.168.10.0/24 34245
192.168.100.0/24 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
192.168.200.0/24 34245
o List of hot-spots during the week.
Prefix Origin AS Number of updates
189.132.0.0/19 8151 2828509
189.152.0.0/19 8151 2828494
189.70.0.0/19 7738 1932854
174.150.0.0/17 10507 1574751
174.148.0.0/17 10507 1574751
174.146.0.0/17 10507 1574751
86.105.182.0/24 6663 931870
89.38.98.0/23 6663 930342
89.39.147.0/24 6663 899013
83.228.71.0/24 8866 639147
Total number of RIS BGP peering sessions: 640