Router Naming Convention for messagelabs.net, 201412

Regular Expressions:

^[a-z]+-\d+-\d+-[^\.]+\.(er\d+\..+)\.messagelabs\.net$

Statistics:

Training routers with at least two clustered interfaces: 3
Positive Predictive Value: 1.000
True Positives (green): 7
False Positives (red): 0
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 0
Training routers with a single interface in suffix: 5

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:

		er1.am1.nl
95.131.107.245	+	xe-2-3-0-104.er1.am1.nl.messagelabs.net
94.31.33.2	+	xe-2-3-0-802.er1.am1.nl.messagelabs.net
212.72.33.174		unknown.level3.net
95.131.109.245		xe-2-3-0-100.er1.amsterdam-am1.symsaas.net

		er1.co1.us
4.28.17.182	+	xe-2-3-0-802.er1.co1.us.messagelabs.net
64.125.194.214		64.125.194.214.t00847-01.above.net
67.219.251.10		ae0-51.er1.denver-co1.symsaas.net

		er1.ff1.de
79.141.44.2	+	ge-2-1-8.er1.ff1.de.messagelabs.net
95.131.107.246		xe-2-3-0-104.er1.frankfurt-ff1.symsaas.net
46.226.50.222		xe-2-3-0-106.er1.frankfurt-ff1.symsaas.net
67.219.255.234		xe-2-3-0-306.er1.frankfurt-ff1.symsaas.net

		er1.ld3.uk
94.31.32.118	+	ge-2-0-3.er1.ld3.uk.messagelabs.net
95.131.109.246	+	ge-2-0-8-100.er1.ld3.uk.messagelabs.net
95.131.107.254	+	ge-2-0-8-102.er1.ld3.uk.messagelabs.net
5.57.80.166		ae1-0.er1.london-ld3.symsaas.net
95.131.104.1		ge-2-0-8-110.er1.london-ld3.symsaas.net
67.219.255.242		ge-2-1-8-304.er1.london-ld3.symsaas.net
95.131.105.33		xe-1-3-0.er1.london-ld3.symsaas.net

		er2.co1.us
4.28.17.178	+	xe-2-3-0-803.er2.co1.us.messagelabs.net
64.125.194.218		64.125.194.218.t00847-02.above.net
67.219.251.11		ae0-51.er2.denver-co1.symsaas.net
67.219.251.19		ae1-52.er2.denver-co1.symsaas.net
67.219.255.206		xe-2-3-0-212.er2.denver-co1.symsaas.net

		er2.sy1.au
165.228.148.142	+	ge-1-1-0.er2.sy1.au.messagelabs.net
139.130.105.26		azz1251542.lnk.telstra.net

		er2.to2
67.219.254.246	+	ge-0-0-0-465.er2.to2.messagelabs.net
67.219.254.230	+	ge-0-0-0.er2.to2.messagelabs.net

		er2.va1.us
67.219.251.30	+	xe-2-3-0-203.er2.va1.us.messagelabs.net
173.205.63.170		xe-4-2-5.bcr2.ash4.us.bb.symantec.net
67.219.255.222		xe-5-0-0-208.bcr2.ash4.us.bb.symantec.net
63.245.207.107		xe-5-3-7.bcr2.ash4.us.bb.symantec.net