Router Naming Convention for helinet.de, 201603

Regular Expressions:

^[a-z]+\d+-[^\.]+\.([a-z\d]+)\.helinet\.de$

Statistics:

Training routers with at least two clustered interfaces: 3
Positive Predictive Value: 1.000
True Positives (green): 6
False Positives (red): 0
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 1
False Negatives, not matched: 28
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:

		pehfn1
212.37.54.1	~	1.54.37.212.helinet.de
212.37.41.85	~	212-37-41-85.transit.helinet.de
212.37.43.5	~	212.37.43.5.transit.helinet.de
212.37.48.137	+	gi2-16-6.pehfn1.helinet.de
212.37.47.65	+	gi2-3-548.pehfn1.helinet.de
212.37.40.49	-	gi2-7.peskp1.helinet.de
212.37.52.145		alice.as12355.net
212.37.63.77		gi2-17-1212.pehfn1.as12355.net
212.37.63.41		gi2-4-320.pehfn1.as12355.net
212.37.63.45		gi2-4-321.pehfn1.as12355.net
212.37.63.73		gi2-5-1211.pehfn1.as12355.net
212.37.63.93		gi2-5-325.pehfn1.as12355.net
212.37.63.97		gi2-5-326.pehfn1.as12355.net
212.37.63.2		te1-1.pehfn1.as12355.net
212.37.50.2		gi3-7.pehfn1.helinet.de.50.37.212.in-addr.arpa

		pekam1
88.208.189.113	~	113-189-208-88.helinet.de
212.37.43.33	~	212.37.43.33.transit.helinet.de
88.208.189.97	~	97-189-208-88.helinet.de
212.37.56.1	~	ftth-lab-1.helinet.de
212.37.52.153	+	gi3-9-306.pekam1.helinet.de
212.37.63.37		gi3-17-321.pekam1.as12355.net
212.37.52.113		gw.gsw-kamen.de

		pelue
88.208.189.161	~	161-189-208-88.helinet.de
212.37.43.29	~	212.37.43.29.transit.helinet.de
212.37.52.97	+	gi3-3-304.pelue.helinet.de

		peuwi1
212.37.50.33	~	33.50.37.212.helinet.de
212.37.50.49	~	49.50.37.212.helinet.de
212.37.48.165	+	gi2-20-300.peuwi1.helinet.de
212.37.52.217	+	gi2-20-351.peuwi1.helinet.de
88.208.189.153		hamm-gw.padnet.de

		sip
212.37.43.121	~	212.37.43.121.transit.helinet.de
212.37.50.25	~	25.50.37.212.helinet.de
212.37.40.221	+	gw3-1.sip.helinet.de
212.37.40.189	+	gw4-1.sip.helinet.de
212.37.63.49		gi2-4-320.peuwi1.as12355.net
212.37.63.53		gi2-4-321.peuwi1.as12355.net
212.37.63.65		gi2-6-310.peuwi1.as12355.net
212.37.49.29		gw.schrage-soest.de

212.37.50.105	~	105.50.37.212.helinet.de
88.208.191.113	~	113-191-208-88.helinet.de
88.208.191.217	~	217-191-208-88.helinet.de
212.37.50.29	~	29.50.37.212.helinet.de
88.208.189.89	~	89-189-208-88.helinet.de

88.208.189.41	~	41-189-208-88.helinet.de
212.37.50.177	~	vl1301.pelab1.helinet.de

88.208.189.129	~	129-189-208-88.helinet.de
88.208.189.185	~	185-189-208-88.helinet.de
88.208.190.33		gi0-7.perz41.as12355.net
88.208.190.17		gi0-9.perz41.as12355.net

88.208.190.1	~	1-190-208-88.helinet.de
212.37.50.129	~	129.50.37.212.helinet.de
212.37.49.97		97.voxtron.de

88.208.191.17	~	17-191-208-88.helinet.de
88.208.191.241	~	241-191-208-88.helinet.de

212.37.50.121	~	121.50.37.212.helinet.de
88.208.191.209	~	209-191-208-88.helinet.de
212.37.49.81		gw.e-lectron.de

88.208.189.1	o	1-189-208-88.helinet.de
212.37.54.225		gw.schulen-hamm.de

212.37.54.81	o	81.54.37.212.helinet.de
212.37.49.65		gw.kreis-unna.de

212.37.54.113	o	113.54.37.212.helinet.de