Router Naming Convention for euro-transit.net, 201007

Regular Expressions:

^[a-z]+\.[^\.]+\.(cr1\.[a-z]+\d+\.[a-z]+)\.euro-transit\.net$

Statistics:

Training routers with at least two clustered interfaces: 7
Positive Predictive Value: 0.882
True Positives (green): 15
False Positives (red): 2
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 0
Training routers with a single interface in suffix: 5

Legend:

Green	+	Inferred identifier, true positive when evaluated against training data
Orange	-	Inferred identifier, false negative when evaluated against training data
Red	!	Inferred identifier, false positive when evaluated against training data
Red	x	Inferred identifier, but contains part of IP address literal embedded in hostname
	~	False negative, not matched
	o	No regex matched the interface, but the interface was the only interface in this suffix on the router
	*	A filter regex matched the interface

Evaluation against training data:

		cr1.ams2.nl
195.69.145.103	+	amsix.te1-1.cr1.ams2.nl.euro-transit.net
193.34.48.37	+	eurotransit.te1-2.cr1.ams2.nl.euro-transit.net
193.34.48.250	+	eurotransit.te2-1.cr1.ams2.nl.euro-transit.net

		cr1.ber1.de
193.34.48.66	+	eurotransit.ge0-0-0-0.cr1.ber1.de.euro-transit.net
193.34.48.62	+	eurotransit.ge1-3-0-0.cr1.ber1.de.euro-transit.net

		cr1.dub1.ie
193.34.48.213	+	eurotransit.ve697.cr1.dub1.ie.euro-transit.net
193.242.111.69	+	inex.eth1-1.cr1.dub1.ie.euro-transit.net

		cr1.fra1.de
193.34.48.249	+	eurotransit.te9-1.cr1.fra1.de.euro-transit.net
134.222.105.122	+	kpn.te9-4.cr1.fra1.de.euro-transit.net
193.189.82.39		eurotransit.aixit.kleyrex.net
213.248.92.234		eurotransit-ic-134201-ffm-b3.c.telia.net

		cr1.fra1.de
193.34.48.70	!	accelerated.gi2-7.cr1.fra1.de.euro-transit.net
84.200.230.243		cr0.fra3.de.accelerated.de
80.81.194.50		decix.accelerated.de
84.200.230.1		decix.accelerated.de
84.200.230.42		fra3.ae0-463.accelerated.de
84.200.230.46		fra3.ae0-463.accelerated.de
81.92.174.146		accelerated-gw.ffm.de.tnib.net

		cr1.fra1.de
193.34.48.198	!	aquatix.te1-4-27.cr1.fra1.de.euro-transit.net
83.141.1.106		aixit-up.ae0.cr1.fra1.de.aquatix.net
91.200.111.209		v2500.ae0.cr1.fra1.de.aquatix.net

		cr1.ham1.de
193.34.48.61	+	eurotransit.ge1-1-0-0.cr1.ham1.de.euro-transit.net
149.6.142.18		omcnet.demarc.cogentco.com

		cr1.ham2.de
193.34.48.90	+	wilhelmtel.te1-3.cr1.ham2.de.euro-transit.net
212.162.18.14		dialup-212.162.18.14.frankfurt1.eu.level3.net
213.178.75.170		tng-wtnet.tng.de

		cr1.lon1.uk
193.34.48.38	+	eurotransit.te1-3.cr1.lon1.uk.euro-transit.net
195.66.225.76	+	linx.po1.cr1.lon1.uk.euro-transit.net

		cr1.mad1.es
193.34.51.1	+	eurotransit.ve20.cr1.mad1.es.euro-transit.net
193.34.48.26	+	eurotransit.ve648.cr1.mad1.es.euro-transit.net

		cr1.par1.fr
193.34.48.42	+	eurotransit.te1-1.cr1.par1.fr.euro-transit.net
193.34.48.45	+	eurotransit.te1-2.cr1.par1.fr.euro-transit.net

		cr1.sto1.se
193.34.48.202	+	eurotransit.ve685.cr1.sto1.se.euro-transit.net
213.248.92.238		eurotransit-ic-134202-s-b3.c.telia.net

		cr1.waw1.pl
193.34.48.101	+	eurotransit.ve680.cr1.waw1.pl.euro-transit.net
213.248.92.254		eurotransit-ic-132406-war-b1.c.telia.net

193.34.48.22	o	optimate-server.te1-4-50.cr1.fra1.de.euro-transit.net
77.67.76.82		optimate-server-gw.ip4.tinet.net