RIS Statistics Report (20090302-20090309)
This report was generated at Mon Mar 9 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 118866 73167 63051 0 73688 64952 65086 62898 62739 62541 63591 64253 112617 63229 67846 67970
ARIN 125437 97461 91915 0 98723 92592 92694 94727 92047 92014 93266 93053 99152 92214 112571 92256
LACNIC 36362 21857 21748 0 25237 21815 21949 21771 21767 21786 22067 22007 26059 21685 32503 21649
RIPE NCC 412011 62731 90331 0 173226 73043 64419 61112 62265 65068 64945 64004 259321 62025 63377 62028
AfriNIC 3366 2951 2954 0 3346 2937 2955 2944 2956 2947 2998 2994 3300 2954 2988 2950
Old 104232 43467 41717 0 45548 42429 42345 41985 41699 41437 41747 41860 99277 41413 44616 42608
IANA 35652 4 35 0 11 3 3 3 4 4 4 1 35614 4 3 0
RFC1918 14551 0 5 0 187 79 474 0 1 79 2 91 14151 1 17 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 850477 301638 311756 0 419966 297850 289925 285440 283478 285876 288620 288263 649491 283525 323921 289461
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 13302 13225 13180 0 13211 13233 13216 13094 13174 13179 13209 13177 13197 13183 13232 13036
APNIC 3702 3686 3635 0 3658 3657 3641 3620 3634 3625 3645 3641 3622 3646 3621 3611
RIPE NCC 13115 13052 13055 0 13024 13054 13055 12965 13058 13048 13082 13054 13029 13043 13048 12954
LACNIC 1113 1106 1095 0 1104 1101 1099 1099 1095 1095 1100 1097 1105 1095 1109 1089
AFRINIC 254 252 253 0 250 251 252 247 252 252 253 251 250 253 248 244
IANA 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0
Private 113 60 55 0 38 35 39 18 33 38 37 32 36 33 45 21
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 31602 31383 31275 0 31288 31332 31303 31044 31247 31239 31328 31254 31240 31255 31304 30957
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3304 4013 4011 0 4195 4486 4454 6246 4424 4642 4104 4570 4393 4205 5736 7846
APNIC 803 991 1024 0 1093 1046 1102 1477 1126 1157 964 1101 1160 1035 1434 1830
RIPE NCC 3250 3991 3781 0 4093 4181 4041 6292 4118 4093 3951 4215 4239 4110 5998 7405
LACNIC 295 364 352 0 369 357 365 436 371 380 354 378 395 356 385 546
AFRINIC 63 75 66 0 78 77 70 87 72 77 71 79 88 73 85 119
IANA 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0
Private 84 45 41 0 30 21 25 12 23 25 25 28 23 21 33 19
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 7801 9480 9276 0 9860 10168 10057 14550 10134 10375 9470 10372 10298 9801 13671 17766
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9998 9212 9169 0 9016 8747 8762 6848 8750 8537 9105 8607 8804 8978 7496 5190
APNIC 2899 2695 2611 0 2565 2611 2539 2143 2508 2468 2681 2540 2462 2611 2187 1781
RIPE NCC 9865 9061 9274 0 8931 8873 9014 6673 8940 8955 9131 8839 8790 8933 7050 5549
LACNIC 818 742 743 0 735 744 734 663 724 715 746 719 710 739 724 543
AFRINIC 191 177 187 0 172 174 182 160 180 175 182 172 162 180 163 125
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 29 15 14 0 8 14 14 6 10 13 12 4 13 12 12 2
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 23801 21903 21999 0 21428 21164 21246 16494 21113 20864 21858 20882 20942 21454 17633 13191
IANA : AS65535
Number of 4-byte ASes: 18.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 20148 21506 20268 0 22979 20249 20190 20316 20168 20183 20344 22414 22017 20203 20427 26070
Transit 11164 9628 10673 0 8095 10775 10798 10356 10743 10723 10670 8598 8963 10727 10590 4762
Transit-only 318 268 347 0 229 319 328 375 341 340 329 252 260 340 298 127
Total 31630 31402 31288 0 31303 31343 31316 31047 31252 31246 31343 31264 31240 31270 31315 30959
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.89 6.28 5.50 0.00 5.50 6.17 5.72 5.51 5.62 5.98 5.51 5.37 6.16 5.22 7.12 4.92
Std 2.30 2.37 2.27 0.00 2.21 2.19 2.26 2.06 2.33 2.24 2.29 2.12 2.32 2.17 2.68 1.60
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/8 6067
10.100.100.100/30 6067
10.129.32.0/19 35807
10.131.0.0/16 35807
10.255.150.0/23 8546
172.16.0.0/16 8546
172.22.0.73/32 1267
172.22.0.112/32 1267
172.22.0.122/32 1267
172.22.0.148/32 1267
172.22.1.93/32 1267
172.22.1.115/32 1267
172.22.1.140/32 1267
172.22.1.149/32 1267
172.22.1.159/32 1267
172.22.1.179/32 1267
172.22.1.246/32 1267
172.22.2.53/32 1267
172.22.2.60/32 1267
172.22.2.69/32 1267
172.22.2.82/32 1267
172.22.2.111/32 1267
172.22.2.128/32 1267
172.22.2.173/32 1267
172.22.2.247/32 1267
172.22.3.57/32 1267
172.22.3.61/32 1267
172.22.3.62/32 1267
172.22.3.65/32 1267
172.22.3.67/32 1267
172.22.3.68/32 1267
172.22.3.69/32 1267
172.22.3.78/32 1267
172.22.3.86/32 1267
172.22.3.91/32 1267
172.22.3.92/32 1267
172.22.3.94/32 1267
172.22.3.96/32 1267
172.22.3.97/32 1267
172.22.3.106/32 1267
172.22.3.117/32 1267
172.22.3.118/32 1267
172.22.3.119/32 1267
172.22.3.120/32 1267
172.22.3.121/32 1267
172.22.3.122/32 1267
172.22.3.127/32 1267
172.22.3.128/32 1267
172.22.3.130/32 1267
172.22.3.131/32 1267
172.22.3.133/32 1267
172.22.3.134/32 1267
172.22.3.137/32 1267
172.22.3.138/32 1267
172.22.3.146/32 1267
172.22.3.147/32 1267
172.22.3.148/32 1267
172.22.3.150/32 1267
172.22.3.151/32 1267
172.22.3.153/32 1267
172.22.3.154/32 1267
172.22.3.158/32 1267
172.22.3.159/32 1267
172.22.3.161/32 1267
172.22.3.162/32 1267
172.22.3.163/32 1267
172.22.3.165/32 1267
172.22.3.166/32 1267
172.22.3.167/32 1267
172.22.3.170/32 1267
172.22.3.174/32 1267
172.22.3.175/32 1267
172.22.3.176/32 1267
172.22.3.183/32 1267
172.22.3.185/32 1267
172.22.3.188/32 1267
172.22.3.190/32 1267
172.22.3.192/32 1267
172.22.3.194/32 1267
172.22.3.195/32 1267
172.22.3.196/32 1267
172.22.3.199/32 1267
172.22.3.200/32 1267
172.22.3.203/32 1267
172.22.3.207/32 1267
172.22.3.208/32 1267
172.22.3.209/32 1267
172.22.3.212/32 1267
172.22.3.213/32 1267
172.22.3.217/32 1267
172.22.3.218/32 1267
172.22.3.220/32 1267
172.22.4.191/32 1267
172.22.7.60/32 1267
172.22.7.213/32 1267
172.22.7.214/32 1267
172.22.9.232/32 1267
172.22.10.72/32 1267
172.22.10.75/32 1267
172.22.10.76/32 1267
172.22.10.77/32 1267
172.22.10.80/32 1267
172.22.10.160/32 1267
172.22.10.165/32 1267
172.22.10.230/32 1267
172.22.11.2/32 1267
172.22.11.7/32 1267
172.22.11.9/32 1267
172.22.11.11/32 1267
172.22.11.13/32 1267
172.22.11.17/32 1267
172.22.11.18/32 1267
172.22.11.20/32 1267
172.22.11.21/32 1267
172.22.11.25/32 1267
172.22.11.26/32 1267
172.22.11.36/32 1267
172.22.11.76/32 1267
172.22.11.79/32 1267
172.22.11.80/32 1267
172.22.11.206/32 1267
172.22.12.56/32 1267
172.22.12.215/32 1267
172.22.12.254/32 1267
172.22.13.75/32 1267
172.22.13.110/32 1267
172.22.13.117/32 1267
172.22.13.180/32 1267
172.22.13.200/32 1267
172.22.13.206/32 1267
172.22.13.212/32 1267
172.22.13.233/32 1267
172.22.13.254/32 1267
172.22.14.5/32 1267
172.22.14.7/32 1267
172.22.14.8/32 1267
172.22.14.10/32 1267
172.22.14.14/32 1267
172.22.14.19/32 1267
172.22.14.20/32 1267
172.22.14.23/32 1267
172.22.14.28/32 1267
172.22.14.31/32 1267
172.22.14.36/32 1267
172.22.14.37/32 1267
172.22.14.41/32 1267
172.22.14.43/32 1267
172.22.14.47/32 1267
172.22.14.50/32 1267
172.22.14.51/32 1267
172.22.14.66/32 1267
172.22.14.79/32 1267
172.22.14.82/32 1267
172.22.14.90/32 1267
172.22.14.92/32 1267
172.22.14.114/32 1267
172.22.14.155/32 1267
172.22.14.157/32 1267
172.22.14.158/32 1267
172.22.14.159/32 1267
172.22.14.223/32 1267
172.22.14.225/32 1267
172.22.14.231/32 1267
172.22.14.251/32 1267
172.22.14.252/32 1267
172.22.15.74/32 1267
172.22.15.75/32 1267
172.22.15.149/32 1267
172.22.15.192/32 1267
172.22.15.248/32 1267
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
192.168.252.0/24 8527
o List of hot-spots during the week.
Prefix Origin AS Number of updates
212.85.220.0/24 30306 675323
212.85.223.0/24 30306 666697
41.204.2.0/24 32398 577268
210.214.117.0/24 9583 420542
210.214.177.0/24 9583 373428
210.214.232.0/24 9583 321143
210.214.222.0/24 9583 302446
221.135.105.0/24 9583 297697
210.214.156.0/24 9583 274209
210.214.184.0/24 9583 262178
Total number of RIS BGP peering sessions: 642