Router Naming Convention for helinet.de, 201104

Regular Expressions:

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

Statistics:

Training routers with at least two clustered interfaces: 5
Positive Predictive Value: 0.968
True Positives (green): 30
False Positives (red): 1
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 3
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
212.37.63.18	+	te2-1.pedtm1.helinet.de
212.37.63.21	+	te2-3.pedtm1.helinet.de

		pehfn1
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	~	gi0-1-5.br2.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
212.37.63.41	+	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
212.37.63.121	+	gi2-5-1212.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
212.37.63.81	-	gi2-9-322.peskp1.helinet.de
212.37.40.1	~	gw.gameserver.helinet.de
212.37.63.2	+	te1-1.pehfn1.helinet.de
212.37.35.1		dial-dyn2-1.heliweb.de
212.37.49.113		gw.twittenhoff.de
212.37.51.85		gi3-9-1314.pehfn1.helinet.de.51.37.212.in-addr.arpa

		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
212.37.63.33	+	gi3-17-320.pekam1.helinet.de
212.37.63.37	+	gi3-17-321.pekam1.helinet.de
212.37.52.153	+	gi3-9-306.pekam1.helinet.de
212.37.41.157	~	serial2-0-0.er3.helinet.de
212.37.63.13	+	te2-3.pekam1.helinet.de
212.37.52.129		gw.kamen.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
212.37.50.33	~	33.50.37.212.helinet.de
212.37.50.49	~	49.50.37.212.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
212.37.41.105	+	gi2-22-328.peuwi1.helinet.de
212.37.52.217	+	gi2-3-540.peuwi1.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
212.37.63.65	+	gi2-6-310.peuwi1.helinet.de
212.37.63.89	+	gi2-6-324.peuwi1.helinet.de
212.37.40.221	~	gw3-1.sip.helinet.de
212.37.63.22	~	te1-3.peuwi.helinet.de
212.37.52.65		gi2-17-338.stadtwerke-ahlen.de
212.37.47.153		gi2-13-325.peuwi1.helinet.de.47.37.212.in-addr.arpa