Router Naming Convention for helinet.de, 201307

Regular Expressions:

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

Statistics:

Training routers with at least two clustered interfaces: 4
Positive Predictive Value: 1.000
True Positives (green): 21
False Positives (red): 0
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 21
Training routers with a single interface in suffix: 3

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
212.37.63.18	+	te2-1.pedtm1.helinet.de
212.37.63.21	+	te2-3.pedtm1.helinet.de

		pehfn1
88.208.190.17	~	17-190-208-88.helinet.de
212.37.41.85	~	212-37-41-85.transit.helinet.de
212.37.43.5	~	212.37.43.5.transit.helinet.de
88.208.191.49	~	49-191-208-88.helinet.de
88.208.189.145	+	gi2-12-336.pehfn1.helinet.de
212.37.48.137	+	gi2-16-6.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
212.37.63.85	+	gi2-5-1215.pehfn1.helinet.de
212.37.63.93	+	gi2-5-325.pehfn1.helinet.de
212.37.40.1	~	gw.gameserver.helinet.de
212.37.63.2	+	te1-1.pehfn1.helinet.de
212.37.63.9	+	te1-4.pehfn1.helinet.de
212.37.52.145		alice.as12355.net
88.208.190.33		gi2-12-xxx.ffm.inet-cash.de
212.37.50.2		gi3-7.pehfn1.helinet.de.50.37.212.in-addr.arpa

		pekam1
88.208.189.101	~	101-189-208-88.helinet.de
88.208.189.105	~	105-189-208-88.helinet.de
212.37.43.33	~	212.37.43.33.transit.helinet.de
212.37.54.221	~	221.54.37.212.helinet.de
88.208.191.33	~	33-191-208-88.helinet.de
88.208.191.89	~	89-191-208-88.helinet.de
88.208.189.97	~	97-189-208-88.helinet.de
212.37.56.1	~	ftth-lab-1.helinet.de
212.37.63.33	+	gi3-17-320.pekam1.helinet.de
212.37.41.157	+	gi3-22-1325.pekam1.helinet.de
212.37.52.153	+	gi3-9-306.pekam1.helinet.de
212.37.63.10	+	te2-1.pekam1.helinet.de
212.37.49.65		gw.kreis-unna.de

		pelue1
212.37.43.29	~	212.37.43.29.transit.helinet.de
212.37.63.113	+	te2-2.pelue1.helinet.de

		peuwi1
88.208.189.1	~	1-189-208-88.helinet.de
212.37.43.121	~	212.37.43.121.transit.helinet.de
212.37.50.33	~	33.50.37.212.helinet.de
212.37.50.49	~	49.50.37.212.helinet.de
212.37.63.105	+	gi2-16.peuwi1.helinet.de
212.37.63.49	+	gi2-4-320.peuwi1.helinet.de
212.37.63.53	+	gi2-4-321.peuwi1.helinet.de
212.37.63.65	+	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
212.37.63.125	~	peer-1.helinet.de
212.37.63.22	~	te1-3.peuwi.helinet.de
212.37.54.225		gw.schulen-hamm.de
212.37.48.145		n3.stadtwerke-hamm.de
212.37.49.97		97.voxtron.de

212.37.50.161	o	161.50.37.212.helinet.de

212.37.54.97	o	97.54.37.212.helinet.de