Router Naming Convention for opendns.com

Regular Expressions:

1.^[^\.]+\.rtr1\.([a-z]+)\.opendns\.com$ -- 3 TPs

Statistics:

Legend:

Green

+ Inferred AS name, true positive when evaluated against training data

Green

= Inferred AS name, true positive when evaluated against training data, but sibling

Orange

~ False negative, unmatched

Red

! Inferred AS name, false positive when evaluated against training data

Red

x Inferred AS name, but contains part of IP address literal embedded in hostname

Evaluation against training data:

asn: 7908, id: 13801
206.223.115.128+[1]gi0-1.rtr1.ash.opendns.com
4.79.168.118splice-comm.car3.washington1.level3.net
129.250.12.114ge-0-6-0-33.r04.asbnva02.us.ce.gin.ntt.net
216.221.158.170opendns-gw.ip4.tinet.net
65.222.158.82
 
asn: 36944, id: 7766664
195.66.225.70+[1]gi0-2.rtr1.lon.opendns.com
 
asn: 1200, id: 7766951
195.69.144.88+[1]peer1.rtr1.ams.opendns.com
 
asn: 8330, id: 22585
193.203.5.198![1]lonap.rtr1.lon.opendns.com
83.231.146.198xe-0-3-0-1-817.r02.londen03.uk.ce.gin.ntt.net
77.67.73.218opendns-gw.ip4.tinet.net
195.50.122.86
 
asn: 25973, id: 18414
206.223.123.85?[1]peer1.rtr1.lax.opendns.com
4.71.32.78splice-comm.car3.losangeles1.level3.net
204.1.253.170xe-0-0-0-2-51.r01.lsanca19.us.ce.gin.ntt.net
65.204.147.2
 
asn: 7908, id: 18436
198.32.124.209?[1]peer1.rtr1.mia.opendns.com
4.71.212.182splice-comm.car4.miami1.level3.net
157.238.179.134xe-0-5-0-7-60.r04.miamfl02.us.ce.gin.ntt.net
65.202.110.202
 
asn: 36692, id: 7904165
208.67.218.126?[1]tun3008.rtr1.chi.opendns.com
 
asn: 701, id: 13700
198.32.160.166 nyiix.opendns.com
157.130.94.138splice-gw.customer.alter.net
4.53.94.218splice-comm.car4.newyork1.level3.net
129.250.12.250ge-0-7-0-2.r05.nycmny01.us.ce.gin.ntt.net
216.221.158.190opendns-gw.ip4.tinet.net
 
asn: 36692, id: 13720
198.32.176.98 rtr1.pao.opendns.com
4.59.0.174splice-comm.car1.sanjose2.level3.net
140.174.21.166ge-0-7-0-31.r06.plalca01.us.ce.gin.ntt.net
216.221.159.70opendns-gw.ip4.tinet.net
65.203.37.46
 
asn: 6695, id: 35052
80.81.194.218 rtr1.fra.opendns.com
77.67.95.70opendns-gw.ip4.tinet.net
213.198.52.82
 
asn: 36692, id: 415208
208.67.218.121 rtr1.sjc.opendns.com
 
asn: 3130, id: 7884355
206.81.80.53 six.opendns.com