Router Naming Convention for vol.cz, 201110

Regular Expressions:

^[^\.]+\.([a-z]+\d+\.[a-z\d]+)\.vol\.cz$

Statistics:

Training routers with at least two clustered interfaces: 6
Positive Predictive Value: 1.000
True Positives (green): 18
False Positives (red): 0
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 2
Training routers with a single interface in suffix: 7

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:

		bb1.prg
195.122.207.121	+	ge1-1.bb1.prg.vol.cz
212.20.123.15	+	ge2-2.bb1.prg.vol.cz
195.122.207.17	+	ge3-1.bb1.prg.vol.cz
212.20.123.22	+	ge3-25.bb1.prg.vol.cz
212.20.123.37	+	ge3-37.bb1.prg.vol.cz
212.20.123.150	+	ge3-5.bb1.prg.vol.cz

		c1.brn
195.250.142.66	+	fe0-0.c1.brn.vol.cz
212.20.124.41	+	fe0-1-s28.c1.brn.vol.cz

		c12.prg
212.20.123.98	+	v311.c12.prg.vol.cz
212.20.123.145	+	v313.c12.prg.vol.cz
212.20.123.147	+	v314.c12.prg.vol.cz
212.20.123.11	+	v316.c12.prg.vol.cz

		c17.prg
212.20.124.105	+	ge0-27.c17.prg.vol.cz
212.20.124.107	+	ge0-28.c17.prg.vol.cz

		cr2.prg
195.122.207.119	+	ge4-1.cr2.prg.vol.cz
212.20.124.59	+	ge4-8.cr2.prg.vol.cz

		o2.prg1
195.122.209.38	+	gw1.o2.prg1.vol.cz
82.99.181.212		dsl-to2.bluetone.cz

		tr1.prg2
212.20.124.60	+	te2-1.tr1.prg2.vol.cz
82.119.252.146	+	te2-3.tr1.prg2.vol.cz

88.146.109.165	~	bras4-prg1-plus.ctc.prg.vol.cz
88.146.110.165	~	bras4-prg1-profi.ctc.prg.vol.cz
85.70.189.101		101.189.broadband3.iol.cz
85.70.189.189		189.189.broadband3.iol.cz
85.70.189.69		69.189.broadband3.iol.cz
195.47.11.5		195.47.11.5.adsl.nextra.cz

88.146.109.18	o	bras1-brn1-plus.ctc.prg.vol.cz
195.47.11.34		195.47.11.34.adsl.nextra.cz
212.90.229.50		primbraspe3.brno20.tiscali.cz

88.146.109.98	o	bras1-ost1-plus.ctc.prg.vol.cz
78.142.81.66		066-081-142-078.ascus.at
195.47.11.178		195.47.11.178.adsl.nextra.cz
195.47.11.50		195.47.11.50.adsl.nextra.cz

88.146.109.162	o	bras1-prg1-plus.ctc.prg.vol.cz
85.70.189.186		186.189.broadband3.iol.cz
85.70.189.42		42.189.broadband3.iol.cz
85.70.189.66		66.189.broadband3.iol.cz
85.70.189.98		98.189.broadband3.iol.cz
195.47.11.2		195.47.11.2.adsl.nextra.cz
212.90.228.162		primbraspe2.praha50.tiscali.cz
212.90.229.194		primbraspe3.praha20.tiscali.cz

88.146.109.167	o	bras6-prg1-plus.ctc.prg.vol.cz
85.70.189.103		103.189.broadband3.iol.cz
85.70.189.185		185.189.broadband3.iol.cz
85.70.189.71		71.189.broadband3.iol.cz
195.47.11.135		195.47.11.135.adsl.nextra.cz
195.47.11.7		195.47.11.7.adsl.nextra.cz
212.90.228.167		primbraspe7.praha50.tiscali.cz

88.146.110.99	o	bras2-ost1-profi.ctc.prg.vol.cz
195.47.11.51		195.47.11.51.adsl.nextra.cz
212.90.228.99		primbraspe3.ostrava50.tiscali.cz
212.90.229.131		primbraspe4.ostrava20.tiscali.cz

195.250.149.90	o	astelnet2.customer.vol.cz
87.245.246.74		gw-astelnet.retn.net