RIS Statistics Report (20081027-20081103)
This report was generated at Mon Nov 3 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 74524 67355 58989 0 71876 61276 61075 60237 59010 58854 59649 60972 59458 59357 59410 63388
ARIN 101309 94981 90512 0 95907 91969 91905 93828 90550 90437 90858 91734 90964 90670 92969 91640
LACNIC 25701 20326 20135 0 23274 20357 20345 20321 20226 20193 20285 20192 20220 20181 22943 20150
RIPE NCC 85522 61203 61050 0 73159 59769 61840 58231 59726 60259 60088 62686 61356 58889 59060 58764
AfriNIC 1729 1511 1538 0 1720 1541 1543 1542 1537 1537 1541 1524 1537 1538 1542 1536
Old 52107 46703 41759 0 45031 45659 45650 42195 41517 44627 41674 44174 45376 41585 42534 42521
IANA 44 3 3 0 41 3 3 3 4 3 3 2 2 3 4 0
RFC1918 627 2 31 0 13 63 515 0 0 134 1 3 59 0 15 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 341563 292084 274017 0 311021 280637 282876 276357 272570 276044 274099 281287 278972 272223 278477 277999
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 12941 12918 12837 0 12907 12894 12875 12819 12831 12827 12846 12919 12886 12838 12878 12772
APNIC 3547 3539 3482 0 3514 3507 3485 3473 3477 3472 3493 3523 3478 3493 3474 3471
RIPE NCC 12364 12336 12328 0 12328 12320 12327 12271 12320 12308 12328 12331 12309 12314 12281 12290
LACNIC 1052 1048 1039 0 1049 1045 1046 1041 1037 1037 1041 1048 1044 1041 1044 1034
AFRINIC 228 227 227 0 226 227 227 225 226 226 227 228 225 227 226 223
IANA 1 1 1 0 0 1 1 1 1 0 1 1 0 1 1 0
Private 99 55 50 0 55 47 50 29 59 39 63 63 42 60 32 22
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 30232 30124 29964 0 30079 30041 30011 29859 29951 29909 29999 30113 29984 29974 29936 29812
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3957 4635 4681 0 4620 5460 5457 7755 5333 5286 4726 4457 4927 4875 6489 7806
APNIC 894 1079 1160 0 1151 1219 1249 1677 1241 1284 1116 1116 1317 1243 1576 1803
RIPE NCC 3679 4427 4260 0 4325 4809 4469 7381 4731 4564 4460 4378 4697 4886 6008 6985
LACNIC 338 414 415 0 403 420 428 510 422 442 400 396 423 419 437 534
AFRINIC 79 86 81 0 84 91 87 101 96 92 87 87 89 88 96 110
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 63 35 26 0 34 21 24 16 38 21 40 41 23 38 19 15
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9010 10676 10623 0 10617 12020 11714 17440 11861 11689 10829 10475 11476 11549 14625 17253
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8984 8283 8156 0 8287 7434 7418 5064 7498 7541 8120 8462 7959 7963 6389 4966
APNIC 2653 2460 2322 0 2363 2288 2236 1796 2236 2188 2377 2407 2161 2250 1898 1668
RIPE NCC 8685 7909 8068 0 8003 7511 7858 4890 7589 7744 7868 7953 7612 7428 6273 5305
LACNIC 714 634 624 0 646 625 618 531 615 595 641 652 621 622 607 500
AFRINIC 149 141 146 0 142 136 140 124 130 134 140 141 136 139 130 113
IANA 1 1 1 0 0 1 1 1 1 0 1 1 0 1 1 0
Private 36 20 24 0 21 26 26 13 21 18 23 22 19 22 13 7
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 21222 19448 19341 0 19462 18021 18297 12419 18090 18220 19170 19638 18508 18425 15311 12559
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 25176 25317 25200 0 25299 25340 25265 25597 25286 25275 25270 25292 25316 25303 25449 25643
Transit 4919 4682 4616 0 4651 4570 4611 4149 4524 4497 4589 4677 4545 4533 4368 4068
Transit-only 161 136 160 0 137 142 147 116 146 145 153 153 129 151 123 107
Total 30256 30135 29976 0 30087 30052 30023 29862 29956 29917 30012 30122 29990 29987 29940 29818
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.80 6.13 5.43 0.00 5.30 6.04 5.69 5.39 5.57 5.83 5.40 5.32 6.02 5.14 6.80 4.91
Std 2.31 2.35 2.31 0.00 2.21 2.19 2.32 2.14 2.33 2.25 2.34 2.22 2.26 2.29 2.42 1.60
o List of martians appearing throughout the week.
Prefix Origin AS
10.20.16.0/24 12880
10.20.30.0/30 8342
10.20.253.0/24 12880
10.20.254.0/24 12880
10.48.200.0/24 12880
10.80.1.0/24 12880
10.80.4.0/24 12880
10.80.5.0/24 12880
10.80.6.0/24 12880
10.80.7.0/24 12880
10.80.8.0/24 12880
10.80.9.0/24 12880
10.80.12.0/24 12880
10.80.14.0/24 12880
10.80.16.0/24 12880
10.80.24.0/24 12880
10.80.32.0/24 12880
10.80.33.0/24 12880
10.80.34.0/24 12880
10.80.39.0/24 12880
10.80.40.0/24 12880
10.80.41.0/24 12880
10.80.42.0/24 12880
10.80.43.0/24 12880
10.80.44.0/24 12880
10.80.45.0/24 12880
10.80.46.0/24 12880
10.80.47.0/24 12880
10.80.48.0/24 12880
10.80.50.0/24 12880
10.80.51.0/24 12880
10.80.52.0/24 12880
10.80.53.0/24 12880
10.80.55.0/24 12880
10.80.56.0/24 12880
10.80.57.0/24 12880
10.80.58.0/24 12880
10.80.59.0/24 12880
10.80.60.0/24 12880
10.80.61.0/24 12880
10.80.62.0/24 12880
10.80.63.0/24 12880
10.80.65.0/24 12880
10.80.66.0/24 12880
10.80.67.0/24 12880
10.80.68.0/24 12880
10.80.69.0/24 12880
10.80.70.0/24 12880
10.80.71.0/24 12880
10.80.72.0/24 12880
10.80.73.0/24 12880
10.80.74.0/24 12880
10.80.75.0/24 12880
10.80.76.0/24 12880
10.80.77.0/24 12880
10.80.80.0/24 12880
10.80.81.0/24 12880
10.80.82.0/24 12880
10.80.84.0/24 12880
10.80.88.0/24 12880
10.80.90.0/24 12880
10.87.8.0/24 12880
10.87.12.0/24 12880
10.87.13.0/24 12880
10.87.14.0/24 12880
10.87.15.0/24 12880
10.87.17.0/24 12880
10.87.18.0/24 12880
10.87.24.0/24 12880
10.87.65.0/24 12880
10.100.100.100/30 6067
10.131.16.0/24 12880
10.139.1.0/24 12880
10.139.18.0/24 12880
10.139.20.0/24 12880
10.193.3.0/24 34245
10.193.12.128/28 34245
10.193.13.112/28 34245
10.193.14.32/27 34245
10.193.14.96/27 34245
10.193.14.192/28 34245
10.193.14.224/28 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
10.216.0.0/15 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
172.16.11.0/24 44942
172.22.0.34/32 1267
172.22.0.55/32 1267
172.22.0.209/32 1267
172.22.0.210/32 1267
172.22.2.24/32 1267
172.22.3.89/32 1267
172.22.4.254/32 1267
172.22.5.181/32 1267
172.22.7.1/32 1267
172.22.7.57/32 1267
172.22.7.231/32 1267
172.22.8.124/32 1267
172.22.8.138/32 1267
172.22.8.172/32 1267
172.22.8.195/32 1267
172.22.8.224/32 1267
172.22.9.53/32 1267
172.22.9.148/32 1267
172.22.9.170/32 1267
172.22.9.248/32 1267
172.22.10.17/32 1267
172.22.10.166/32 1267
172.22.10.180/32 1267
172.22.10.200/32 1267
172.22.11.29/32 1267
172.22.11.57/32 1267
172.22.11.94/32 1267
172.22.11.131/32 1267
172.22.11.193/32 1267
172.22.11.233/32 1267
172.22.12.3/32 1267
172.22.12.21/32 1267
172.22.12.23/32 1267
172.22.12.42/32 1267
172.22.12.59/32 1267
172.22.12.124/32 1267
172.22.12.127/32 1267
172.22.12.128/32 1267
172.22.12.151/32 1267
172.22.12.166/32 1267
172.22.12.177/32 1267
172.22.12.186/32 1267
172.22.12.189/32 1267
172.22.12.202/32 1267
172.22.12.203/32 1267
172.22.12.207/32 1267
172.22.12.209/32 1267
172.22.12.212/32 1267
172.22.12.213/32 1267
172.22.12.216/32 1267
172.22.13.117/32 1267
172.22.13.144/32 1267
172.22.13.145/32 1267
172.22.13.253/32 1267
172.22.14.118/32 1267
172.22.14.224/32 1267
172.22.15.207/32 1267
172.22.15.225/32 1267
172.25.4.0/24 31501
192.168.5.0/24 5606
192.168.6.0/24 5606
192.168.192.0/21 7497
o List of hot-spots during the week.
Prefix Origin AS Number of updates
189.70.0.0/19 7738 5979816
221.134.222.0/24 9583 749759
210.214.151.0/24 9583 502682
64.162.116.0/24 5033 428770
221.135.80.0/24 9583 372663
63.135.240.0/20 10396 247487
77.95.144.0/22 29282 243492
195.47.233.0/24 30850 233506
196.42.0.0/20 10396 198942
72.50.96.0/20 10396 179386
Total number of RIS BGP peering sessions: 643