Router Naming Convention for helinet.de, 201110

Regular Expressions:

^[a-z\d]+-[^\.]+\.([a-z]+1)\.helinet\.de$

Statistics:

Training routers with at least two clustered interfaces: 5
Positive Predictive Value: 0.871
True Positives (green): 27
False Positives (red): 4
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 1
False Negatives, not matched: 13
Training routers with a single interface in suffix: 0

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:

		pedtm1
212.37.63.101	+	gi3-3.pedtm1.helinet.de
212.37.63.21	+	te2-3.pedtm1.helinet.de

		pehfn1
88.208.190.17	~	17-190-208-88.helinet.de
212.37.54.17	~	17.54.37.212.helinet.de
212.37.43.5	~	212.37.43.5.transit.helinet.de
212.37.41.77	~	gi0-3-810.br3.helinet.de
88.208.189.145	+	gi2-12-336.pehfn1.helinet.de
212.37.63.77	+	gi2-17-1212.pehfn1.helinet.de
212.37.63.69	+	gi2-19-1206.pehfn1.helinet.de
212.37.47.65	+	gi2-3-548.pehfn1.helinet.de
212.37.63.41	+	gi2-4-320.pehfn1.helinet.de
212.37.63.45	+	gi2-4-321.pehfn1.helinet.de
212.37.63.73	+	gi2-5-1211.pehfn1.helinet.de
212.37.63.25	+	gi2-6-1202.pehfn1.helinet.de
212.37.40.49	!	gi2-7.peskp1.helinet.de
212.37.63.242	+	gi2-8-3.pehfn1.helinet.de
212.37.63.85	!	gi2-9-323.peskp1.helinet.de
212.37.40.1	~	gw.gameserver.helinet.de
212.37.52.145		alice.as12355.net
212.37.35.1		dial-dyn2-1.heliweb.de
88.208.190.33		gi2-12-xxx.ffm.inet-cash.de
212.37.49.113		gw.twittenhoff.de

		pekam1
212.37.43.33	~	212.37.43.33.transit.helinet.de
212.37.54.221	~	221.54.37.212.helinet.de
212.37.56.1	~	ftth-lab-1.helinet.de
212.37.49.33	+	gi-3-13-304.pekam1.helinet.de
212.37.63.57	-	gi3-11-1204.pekamen1.helinet.de
212.37.63.61	+	gi3-11-1205.pekam1.helinet.de
212.37.63.33	+	gi3-17-320.pekam1.helinet.de
212.37.63.37	+	gi3-17-321.pekam1.helinet.de
212.37.41.157	+	gi3-22-1325.pekam1.helinet.de
212.37.52.153	+	gi3-9-306.pekam1.helinet.de
212.37.49.65		gw.kreis-unna.de

		pelue1
212.37.43.29	~	212.37.43.29.transit.helinet.de
212.37.41.17	+	gi3-11-911.pelue1.helinet.de
212.37.42.17	+	gi3-9-910.pelue1.helinet.de
212.37.63.17	+	te2-3.pelue1.helinet.de

		peuwi1
88.208.191.165	~	165-191-208-88.helinet.de
212.37.50.25	~	25.50.37.212.helinet.de
212.37.50.33	~	33.50.37.212.helinet.de
212.37.49.233	+	gi2-12-346.peuwi1.helinet.de
212.37.41.25	+	gi2-14-577.peuwi1.helinet.de
212.37.41.137	+	gi2-14-583.peuwi1.helinet.de
212.37.63.105	!	gi2-18.pehfn1.helinet.de
212.37.63.49	+	gi2-4-320.peuwi1.helinet.de
212.37.63.53	+	gi2-4-321.peuwi1.helinet.de
212.37.41.5	+	gi2-5-532.peuwi1.helinet.de
212.37.63.89	+	gi2-6-324.peuwi1.helinet.de
212.37.48.109	!	gi2-7-581.peskp1.helinet.de
212.37.63.22	~	te1-3.peuwi.helinet.de
212.37.52.65		gi2-17-338.stadtwerke-ahlen.de
212.37.48.145		n3.stadtwerke-hamm.de