Router Naming Convention for zen.net.uk, 201702

Regular Expressions:

^.+\.([^\.]+\.[^\.]+)\.zen\.net\.uk$

Statistics:

Training routers with at least two clustered interfaces: 17
Positive Predictive Value: 1.000
True Positives (green): 38
False Positives (red): 0
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 4
Training routers with a single interface in suffix: 0

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:

		ar3.wh-man
62.3.85.210	+	xe-2-0-0-103.ar3.wh-man.zen.net.uk
62.3.85.214	+	xe-2-0-1-104.ar3.wh-man.zen.net.uk

		ar4.wh-man
62.3.85.218	+	xe-2-0-0-105.ar4.wh-man.zen.net.uk
62.3.85.222	+	xe-2-0-1-106.ar4.wh-man.zen.net.uk

		cr1.th-lon
62.3.80.36	+	ae1-176.cr1.th-lon.zen.net.uk
62.3.86.80	+	ae1-182.cr1.th-lon.zen.net.uk
62.3.84.245	+	ae2.cr1.th-lon.zen.net.uk
62.3.80.41	+	ge-2-0-0-0.cr1.th-lon.zen.net.uk

		cr1.wh-man
62.3.80.46	+	ae4-0.cr1.wh-man.zen.net.uk
62.3.80.49	+	ge-2-0-0-0.cr1.wh-man.zen.net.uk
62.3.83.65	+	ge-2-1-0-11.cr1.wh-man.zen.net.uk

		cr2.th-lon
62.3.84.246	+	ae2.cr2.th-lon.zen.net.uk
62.3.80.58	+	ae3-0.cr2.th-lon.zen.net.uk
77.67.66.226		zen-internet-gw.ip4.gtt.net

		cr2.wh-man
62.3.80.57	+	ae3-0.cr2.wh-man.zen.net.uk
62.3.80.50	+	ge-2-0-0-0.cr2.wh-man.zen.net.uk
62.3.83.97	+	ge-2-1-0-12.cr2.wh-man.zen.net.uk
77.67.66.102		zen-internet-gw.ip4.gtt.net

		dr1.sp-roch
62.3.80.90	+	ae0-0.dr1.sp-roch.zen.net.uk
62.3.80.93	+	ae1-0.dr1.sp-roch.zen.net.uk

		dr2.sp-roch
62.3.80.97	+	ae0-0.dr2.sp-roch.zen.net.uk
62.3.80.94	+	ae1-0.dr2.sp-roch.zen.net.uk

		dsl1.wh-man
62.3.80.198	+	v112.subs.dsl1.wh-man.zen.net.uk
62.3.80.230	+	v113.subs.dsl1.wh-man.zen.net.uk

		dsl2.wh-man
62.3.87.170	+	v114.subs.dsl2.wh-man.zen.net.uk
62.3.87.186	+	v115.subs.dsl2.wh-man.zen.net.uk

		dsl4.wh-man
62.3.86.2	+	v118.subs.dsl4.wh-man.zen.net.uk
62.3.86.10	+	v120.subs.dsl4.wh-man.zen.net.uk

		dsl5.wh-man
62.3.86.18	+	v122.subs.dsl5.wh-man.zen.net.uk
62.3.86.26	+	v124.subs.dsl5.wh-man.zen.net.uk

		dsl6.th-lon
62.3.86.130	+	v132.subs.dsl6.th-lon.zen.net.uk
62.3.86.134	+	v133.subs.dsl6.th-lon.zen.net.uk

		sp-roch.corp
88.98.58.68	+	eth0-2400.fwoffice01a.sp-roch.corp.zen.net.uk
88.98.58.34	+	ge-1-0-0-100.fwedge01a.sp-roch.corp.zen.net.uk
212.23.9.205		fireissvcgw

		svc1.th-lon
62.3.84.162	+	ge-0-0-0-108.svc1.th-lon.zen.net.uk
62.3.84.166	+	ge-0-0-0-109.svc1.th-lon.zen.net.uk

		svc1.wh-man
62.3.83.66	+	ae0-11.svc1.wh-man.zen.net.uk
62.3.83.98	+	ae0-12.svc1.wh-man.zen.net.uk

		svc2.th-lon
62.3.84.170	+	ge-0-0-0-110.svc2.th-lon.zen.net.uk
62.3.84.174	+	ge-0-0-0-111.svc2.th-lon.zen.net.uk

88.98.162.74	~	88-98-162-74.ll.zen.net.uk
88.98.188.58	~	no-dns-yet-88-98-188-58.zen.net.uk

88.98.177.242	~	no-dns-yet-88-98-177-242.zen.net.uk
88.98.177.246	~	no-dns-yet-88-98-177-246.zen.net.uk