Router Naming Convention for xs4all.net, 201104

Regular Expressions:

^.+\.([a-z]+\d+\.[a-z\d]+1\d+)\.xs4all\.net$
^.+\.([a-z\d]+)\.xs4all\.net$

Statistics:

Training routers with at least two clustered interfaces: 12
Positive Predictive Value: 0.956
True Positives (green): 43
False Positives (red): 2
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 3
Training routers with a single interface in suffix: 2

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:

		1d12
194.109.11.14	+	netco-1.1d12.xs4all.net
194.109.11.58	+	netco-2.1d12.xs4all.net

		cr3.3d12
194.109.5.62	+	0.ge-0-1-0.cr3.3d12.xs4all.net
194.109.5.94	+	0.ge-0-1-1.cr3.3d12.xs4all.net

		dmn
194.109.5.66	+	0.ge-0-3-0.xr1.dmn.xs4all.net
194.109.5.70	+	0.ge-1-3-0.xr1.dmn.xs4all.net

		eh1
194.109.5.18	+	0.10ge-2-2-0.xr1.eh1.xs4all.net
194.109.5.53	+	0.ge-0-3-9.xr1.eh1.xs4all.net
194.109.5.222	+	lo0.xr1.eh1.xs4all.net

		eh1
194.109.7.218	~	rizaya.xs4all.net
82.94.252.113	!	vlan111.swcolo1.eh1.xs4all.net

		fia
194.109.5.114	+	42.10ge14-0-0.pe20.fia.xs4all.net
139.156.113.66		static.kpn.net

		nr1.1d12
194.109.5.122	+	10ge8-1.nr1.1d12.xs4all.net
194.109.5.126	+	10ge9-1.nr1.1d12.xs4all.net

		sara
194.109.5.2	+	0.ge-0-2-0.xr1.sara.xs4all.net
194.109.5.6	+	0.ge-1-2-0.xr1.sara.xs4all.net
194.109.7.5	+	7.ge-1-0-0.xr1.sara.xs4all.net
195.69.144.48	+	ams-ix.sara.xs4all.net

		swcolo1.pv16
194.109.12.26	+	ge6-1.swcolo1.pv16.xs4all.net
194.109.12.22	+	te9-1.swcolo1.pv16.xs4all.net

		swcolo2.1d12
194.109.12.6	+	te5-4.swcolo2.1d12.xs4all.net
194.109.12.9	+	vlan5.swcolo2.1d12.xs4all.net

		tc2
145.145.166.58	!	0.ge-0-2-0.xr1.sara.xs4all.net
194.109.5.54	+	0.ge-0-3-9.xr1.tc2.xs4all.net
194.109.5.10	+	0.so-0-2-0.xr1.tc2.xs4all.net
194.109.5.14	+	0.so-1-2-0.xr1.tc2.xs4all.net
195.69.144.166	+	ams-ix.tc2.xs4all.net
194.109.5.252	+	lo0.xr1.tc2.xs4all.net
77.67.74.210		xs4all-internet-gw.ip4.tinet.net

		ws6
194.109.11.94	+	gi1-1.ar1.ws6.xs4all.net
194.109.11.102	+	gi2-1.ar1.ws6.xs4all.net

		xr3.3d12
194.109.5.81	+	0.ae2.xr3.3d12.xs4all.net
194.109.12.29	+	0.ge-1-2-0.xr3.3d12.xs4all.net
194.109.5.17	+	0.ge-2-2-0.xr3.3d12.xs4all.net
194.109.5.5	+	0.ge-4-0-0.xr3.3d12.xs4all.net
194.109.5.13	+	0.so-2-0-0.xr3.3d12.xs4all.net
194.109.7.125	+	1313.ae3.xr3.3d12.xs4all.net
194.109.7.161	+	1315.ae3.xr3.3d12.xs4all.net
194.109.11.33	+	29.ae0.xr3.3d12.xs4all.net
194.109.5.113	+	42.ge-2-1-0.xr3.3d12.xs4all.net
194.109.5.244	+	lo0.xr3.3d12.xs4all.net

		xr4.1d12
194.109.5.82	+	0.ae2.xr4.1d12.xs4all.net
194.109.12.33	+	0.ge-1-2-0.xr4.1d12.xs4all.net
194.109.5.1	+	0.ge-4-0-0.xr4.1d12.xs4all.net
194.109.5.9	+	0.so-2-0-0.xr4.1d12.xs4all.net
194.109.7.121	+	1413.ae3.xr4.1d12.xs4all.net
194.109.5.49	+	42.ge-1-1-0.xr4.1d12.xs4all.net
194.109.5.231	+	lo0.xr4.1d12.xs4all.net

194.109.11.178	~	kpn-mobile2.xs4all.net
194.109.11.210	~	kpn-mobile3.xs4all.net

194.109.11.158	o	high5-3-1.xs4all.net
82.94.220.2		220-hr1-1.3d12.high5.net