Router Naming Convention for swern.net.uk, 201007

Regular Expressions:

^([a-z]+)-[^\.]+\.swern\.net\.uk$
^\d+-([a-z]+)-[^\.]+\.swern\.net\.uk$

Statistics:

Training routers with at least two clustered interfaces: 14
Positive Predictive Value: 0.963
True Positives (green): 52
False Positives (red): 2
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 3
False Negatives, not matched: 5
Training routers with a single interface in suffix: 4

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:

		bath
194.83.94.10	~	4948-bath.swern.net.uk
194.83.94.69	+	bath-clif-pa.swern.net.uk
194.83.94.71	+	bath-clif-sa.swern.net.uk
194.83.94.65	+	bath-fren-ph.swern.net.uk
194.83.94.67	+	bath-fren-sh.swern.net.uk

		bathc
194.82.125.192	+	4900-bathc-spa-1.swern.net.uk
194.82.125.214	+	4948-bathc-7200-bathc.swern.net.uk
194.82.120.2	+	4948-bathc-bath.swern.net.uk
194.83.94.73	+	bathc-clif-ph.swern.net.uk
194.83.94.75	+	bathc-clif-sh.swern.net.uk
194.83.94.77	+	bathc-fren-pa.swern.net.uk
194.83.94.79	+	bathc-fren-sa.swern.net.uk

		bdw
194.83.94.85	+	bdw-clif-pa.swern.net.uk
194.83.94.87	+	bdw-clif-sa.swern.net.uk
194.83.94.83	+	bdw-fren-sh.swern.net.uk

		bicton
194.82.125.166	+	bicton-7200-exc.swern.net.uk

		c
194.82.125.206	+	4900-c-7200-c.swern.net.uk
194.83.94.213	+	4900-c-clif-ph.swern.net.uk
194.83.94.215	+	4900-c-fren-sh.swern.net.uk

		eastdevon
194.82.125.162	+	eastdevon-7200-exc.swern.net.uk

		ex
194.82.125.212	+	4948-ex-7200-ex.swern.net.uk
194.83.94.123	+	ex-clif-sh.swern.net.uk
194.82.125.81	+	ex-exeter.swern.net.uk
194.83.94.125	+	ex-fren-pa.swern.net.uk
194.83.94.127	+	ex-fren-sa.swern.net.uk

		exc
194.82.125.82	+	exc-exeter.swern.net.uk
194.83.94.113	+	exc-fren-ph.swern.net.uk

		f
194.83.94.211	+	4900-f-clif-sh.swern.net.uk
194.82.125.204	+	4948-f-7200-f.swern.net.uk
194.82.125.185	+	4948-f-keith.swern.net.uk

		fren
194.83.94.214	+	fren-4900-c-sh.swern.net.uk
194.83.94.208	+	fren-4900-f-ph.swern.net.uk
194.83.94.82	+	fren-bdw-sh.swern.net.uk
194.83.94.128	+	fren-ply-ph.swern.net.uk
194.82.125.209	-	rnep-fd-rnep-cd.swern.net.uk
146.97.42.186		swern-b2.site.ja.net

		glos
194.82.125.216	+	4948-glos-7200-glos.swern.net.uk
194.83.94.105	+	glos-clif-ph.swern.net.uk

		hp
194.82.125.37	+	hp-3-rnep-f.swern.net.uk

		pcfe
194.82.125.250	+	pcfe-4948-plyc.swern.net.uk

		ply
194.82.125.137	+	4948-ply-uop.swern.net.uk
194.83.94.135	+	ply-clif-sa.swern.net.uk
194.83.94.129	+	ply-fren-ph.swern.net.uk
194.83.94.131	+	ply-fren-sh.swern.net.uk

		plyc
194.82.125.249	+	4948-plyc-pcfe.swern.net.uk
194.83.94.137	+	plyc-clif-ph.swern.net.uk
194.83.94.139	+	plyc-clif-sh.swern.net.uk
194.83.94.141	+	plyc-fren-pa.swern.net.uk
194.83.94.143	+	plyc-fren-sa.swern.net.uk

		t
194.83.94.222	~	4948-t1-7200-t1.swern.net.uk
194.83.94.197	+	t-r1-clif-pa.swern.net.uk
194.83.94.199	+	t-r1-clif-sa.swern.net.uk
194.83.94.193	+	t-r1-fren-ph.swern.net.uk
194.83.94.195	+	t-r1-fren-sh.swern.net.uk

		t
194.83.94.37	~	4948-t2.swern.net.uk
194.83.94.203	!	t-r2-clif-sh.swern.net.uk
194.83.94.205	!	t-r2-fren-pa.swern.net.uk

		tau
194.83.94.89	+	tau-clif-ph.swern.net.uk
194.83.94.91	+	tau-clif-sh.swern.net.uk
194.83.94.93	+	tau-fren-pa.swern.net.uk
194.83.94.95	+	tau-fren-sa.swern.net.uk

		uwe
194.82.125.44	+	uwe-gw-1-rnep-c.swern.net.uk
194.82.125.235	+	uwe-gw-1.swern.net.uk

194.82.125.77	-	glosc-stroud.swern.net.uk
194.82.125.73	-	gloscat-ucas.swern.net.uk

194.83.94.223	~	7200-t1-4948-t1.swern.net.uk
194.83.94.35	~	7200-t1.swern.net.uk