Router Naming Convention for viatel.net, 201702

Regular Expressions:

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

Statistics:

Training routers with at least two clustered interfaces: 8
Positive Predictive Value: 1.000
True Positives (green): 16
False Positives (red): 0
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 1
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:

		ams-tc5-ar1.nl
89.234.82.143	+	xe-2-0-0.ams-tc5-ar1.nl.viatel.net
89.234.82.145	+	xe-2-0-1.ams-tc5-ar1.nl.viatel.net

		ams-tc5-rr1.nl
89.234.82.139	+	gi-0-0.ams-tc5-rr1.nl.viatel.net
89.234.82.141	+	gi-0-1.ams-tc5-rr1.nl.viatel.net

		dub-bdtn-ar3.ie
78.137.184.183	+	te-5-4.dub-bdtn-ar3.ie.viatel.net
78.137.184.185	+	te-5-5.dub-bdtn-ar3.ie.viatel.net
212.126.37.189		212-126-37-189.digiweb-to-dc-customer.net.digiweb.ie
212.126.58.106		ip-212-126-58-106.dedi.digiweb.ie
78.137.139.90		ip-78-137-139-90.mobile.digiweb.ie
83.147.148.85		ip-83-147-148-85.broadband.digiweb.ie
83.147.149.253		ip-83-147-149-253.broadband.digiweb.ie
83.147.149.93		ip-83-147-149-93.broadband.digiweb.ie
83.147.183.106		ip-83-147-183-106.broadband.digiweb.ie
89.234.66.226		ip-89-234-66-226.dedi.digiweb.ie
92.51.199.25		ip-92-51-199-25.broadband.digiweb.ie
83.147.160.139		vl71.dub-bdtn-ar4.net.digiweb.ie
212.126.38.146		146.128-152.38.126.212.in-addr.arpa

		dub-deg-ar1.ie
83.147.163.6	+	gi-0-0-0.dub-deg-ar1.ie.viatel.net
83.147.163.98	+	gi-0-1-1.dub-deg-ar1.ie.viatel.net

		fra-k90-rr1.de
89.234.82.155	+	gi-0-0.fra-k90-rr1.de.viatel.net
89.234.82.157	+	gi-0-1.fra-k90-rr1.de.viatel.net

		lon-thn-br1.uk
195.66.225.149	~	linx1.thn.uk.viatel.net
78.137.184.6	+	te-0-0-2-1.lon-thn-br1.uk.viatel.net
77.67.122.234		ip4.gtt.net

		lon-thn-bras1.uk
89.234.82.209	+	ge-0-0.lon-thn-bras1.uk.viatel.net
89.234.82.211	+	ge-0-1.lon-thn-bras1.uk.viatel.net

		lon-thn-ir1.uk
89.234.82.227	+	ge-1-0-0.lon-thn-ir1.uk.viatel.net
89.234.82.229	+	ge-1-1-0.lon-thn-ir1.uk.viatel.net

		lon-thn-rr1.uk
89.234.82.185	+	ge-0-0.lon-thn-rr1.uk.viatel.net
89.234.82.187	+	ge-0-1.lon-thn-rr1.uk.viatel.net

194.88.240.22	o	inex2.tcy.ie.viatel.net