Router Naming Convention for star.net.uk, 201207

Regular Expressions:

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

Statistics:

Training routers with at least two clustered interfaces: 36
Positive Predictive Value: 0.986
True Positives (green): 73
False Positives (red): 1
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 14
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:

		bar007
212.125.88.190	+	ge2-1.bar007.star.net.uk
212.125.88.246	+	ge6-1.bar007.star.net.uk
212.125.78.178	+	gig2-5.bar007.star.net.uk

		lon001
212.125.78.10	+	fe2-0.lon001.star.net.uk
212.125.78.6	+	ge0-1.lon001.star.net.uk

		lon002
212.125.88.226	+	fe0-0.lon002.star.net.uk
212.125.78.2	+	ge0-2.lon002.star.net.uk

		lon003
212.125.78.170	+	ge0-1.lon003.star.net.uk
212.125.78.174	+	ge0-2.lon003.star.net.uk

		lon004
212.125.76.106	+	ge0-1.lon004.star.net.uk
212.125.76.206	+	ge0-2.lon004.star.net.uk

		lon005
212.125.76.110	+	ge0-1.lon005.star.net.uk
212.125.76.102	+	ge0-2.lon005.star.net.uk

		lon009
212.125.76.114	+	ge0-1.lon009.star.net.uk
212.125.76.118	+	ge0-2.lon009.star.net.uk

		lon010
212.125.76.42	+	fe0-0.lon010.star.net.uk
212.125.76.46	+	ge0-2.lon010.star.net.uk

		lon011
212.125.74.254	+	ge0-1.lon011.star.net.uk
212.125.75.254	+	ge0-2.lon011.star.net.uk

		lon012
212.125.76.122	+	fe2-0.lon012.star.net.uk
212.125.76.126	+	ge0-1.lon012.star.net.uk

		lon014
212.125.76.58	+	ge0-1.lon014.star.net.uk
212.125.76.62	+	ge0-2.lon014.star.net.uk

		lon016
212.125.76.50	+	fe0-1.lon016.star.net.uk
212.125.76.54	+	ge0-1.lon016.star.net.uk

		lon017
212.125.64.26	+	fe0-0.lon017.star.net.uk
212.125.64.18	+	fe2-0.lon017.star.net.uk

		lon018
212.125.64.210	+	ge0-1.lon018.star.net.uk
212.125.64.194	+	ge0-2.lon018.star.net.uk

		lon026
212.125.75.166	+	fe2-0.lon026.star.net.uk
212.125.74.238	+	ge0-1.lon026.star.net.uk

		lon027
212.125.79.90	+	g0-1.lon027.star.net.uk
212.125.79.94	+	ge0-2.lon027.star.net.uk

		lon028
212.125.80.102	+	ge0-2.lon028.star.net.uk
212.125.80.198		lon028.star.net.uk.80.125.212.in-addr.arpa

		lon035
212.125.67.250	+	ge0-1.lon035.star.net.uk
212.125.67.234	+	ge0-2.lon035.star.net.uk

		lon037
212.125.64.46	+	ge0-1.lon037.star.net.uk
212.125.64.50	+	ge0-2.lon037.star.net.uk

		lon038
212.125.78.190	+	ge0-1.lon038.star.net.uk
212.125.78.194	+	ge0-2.lon038.star.net.uk

		lon040
212.125.80.113	+	ten0-0-0-0.lon040.star.net.uk
212.125.80.125	+	ten0-0-0-1.lon040.star.net.uk

		lon050
212.125.64.229	+	portch3.lon050.star.net.uk
212.125.78.166	+	tengig2-3.lon050.star.net.uk

		lon051
212.125.69.205	+	tengig2-3.lon051.star.net.uk

		lon303
212.125.64.186	+	ge0-1.lon303.star.net.uk
212.125.64.190	+	ge0-2.lon303.star.net.uk

		lon307
212.125.94.146	+	ge10-47.lon307.star.net.uk
212.125.94.150	+	ge10-48.lon307.star.net.uk

		lon308
212.125.94.154	+	ge10-47.lon308.star.net.uk
212.125.94.158	+	ge10-48.lon308.star.net.uk

		lon309
212.125.80.210	+	ge0-1.lon309.star.net.uk
212.125.80.214	+	ge0-2.lon309.star.net.uk

		lon311
212.125.78.254	+	gi3-4.lon311.star.net.uk
212.125.78.162	+	gig3-5.lon311.star.net.uk

		lon313
212.125.75.110	+	ge0-2.lon313.star.net.uk
212.125.64.214	+	gi0-1.lon313.star.net.uk

		lon314
212.125.75.114	+	ge0-1.lon314.star.net.uk
212.125.75.118	+	ge0-2.lon314.star.net.uk

		lon315
212.125.75.122	+	ge0-1.lon315.star.net.uk
212.125.75.126	+	ge0-2.lon315.star.net.uk

		lon316
212.125.75.58	+	ge0-1.lon316.star.net.uk
212.125.75.62	+	ge0-2.lon316.star.net.uk

		lon319
212.125.78.14	+	ge0-1.lon319.star.net.uk
212.125.78.118	+	ge0-2.lon319.star.net.uk

		lon320
212.125.78.198	+	ge0-1.lon320.star.net.uk
212.125.78.202	+	ge0-2.lon320.star.net.uk

		lon321
212.125.75.134	+	ge0-1.lon321.star.net.uk
212.125.75.138	+	ge0-2.lon321.star.net.uk

		lon340
212.125.79.186	+	ten0-0-0-0.lon340.star.net.uk
212.125.79.206	+	ten0-0-0-1.lon340.star.net.uk

		lon350
212.125.79.97	+	portch3.lon350.star.net.uk
212.125.69.206	+	tengig2-3.lon350.star.net.uk

		lon350
212.125.94.145	!	ge9-15.lon350.star.net.uk
212.113.14.98		star-intern.edge4.london1.level3.net

		lon351
212.125.79.98	+	portch3.lon351.star.net.uk
212.125.78.165	+	tengig2-3.lon351.star.net.uk

89.206.147.123	~	unallocated.star.net.uk
89.206.148.131	~	unallocated.star.net.uk
89.206.160.75	~	unallocated.star.net.uk
89.206.160.251	~	unallocated.star.net.uk
89.206.168.219	~	unallocated.star.net.uk
89.206.171.107	~	unallocated.star.net.uk
89.206.177.235	~	unallocated.star.net.uk
89.206.242.91	~	unallocated.star.net.uk
89.206.163.107		mail2.bbfc.co.uk

62.173.69.54	~	unallocated.star.net.uk
62.231.141.241	~	unallocated.star.net.uk

195.216.3.194	~	unallocated.star.net.uk
195.216.3.202	~	unallocated.star.net.uk

195.216.3.198	~	unallocated.star.net.uk
195.216.3.206	~	unallocated.star.net.uk

89.206.233.251	o	unallocated.star.net.uk
81.171.195.235		rdns.augeanplc.com