Router Naming Convention for zen.net.uk, 201904

Regular Expressions:

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

Statistics:

Training routers with at least two clustered interfaces: 13
Positive Predictive Value: 1.000
True Positives (green): 29
False Positives (red): 0
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 1
False Negatives, not matched: 5
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:

		ar3.th-lon
62.3.85.194	+	xe-2-0-0.ar3.th-lon.zen.net.uk
62.3.85.198		no-dns-yet-62-3-85-198.zen.co.uk

		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.sp-roch
62.3.81.234	+	ae7-0.ar4.sp-roch.zen.net.uk
62.3.81.242		no-dns-yet-62-3-81-242.zen.co.uk

		ar5.th-lon
62.3.85.242	+	ae0-0.ar5.th-lon.zen.net.uk
62.3.85.246	+	ae1-0.ar5.th-lon.zen.net.uk

		ar5.wh-man
62.3.85.178	+	ae0-0.ar5.wh-man.zen.net.uk
62.3.85.182	+	ae1-0.ar5.wh-man.zen.net.uk

		ar6.th-lon
62.3.85.250	+	ae0-0.ar6.th-lon.zen.net.uk
62.3.85.254	+	ae1-0.ar6.th-lon.zen.net.uk

		ar6.wh-man
62.3.85.186	+	ae0-0.ar6.wh-man.zen.net.uk
62.3.85.190	+	ae1-0.ar6.wh-man.zen.net.uk

		cr1.sp-roch
62.3.81.225	+	ae0-0.cr1.sp-roch.zen.net.uk
62.3.80.90	+	ae1-0.cr1.sp-roch.zen.net.uk

		cr1.th-lon
62.3.86.145	+	ae1-136.cr1.th-lon.zen.net.uk
62.3.84.245	+	ae2.cr1.th-lon.zen.net.uk
62.3.80.45	+	ae3-0.cr1.th-lon.zen.net.uk
62.3.80.41	+	ge-2-0-0-0.cr1.th-lon.zen.net.uk
51.148.73.57	-	vl-50.ae6.cr1.th-lon.zen.net.uk

		cr1.wh-man
62.3.80.89	+	ae0-0.cr1.wh-man.zen.net.uk
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

		cr2.sp-roch
62.3.81.226	+	ae0-0.cr2.sp-roch.zen.net.uk
62.3.80.97	+	ae1-0.cr2.sp-roch.zen.net.uk

		cr2.th-lon
62.3.84.246	+	ae2.cr2.th-lon.zen.net.uk
62.3.84.157	+	ge-0-0-0-107.cr2.th-lon.zen.net.uk

		fwoffice01a.sp-roch.corp
88.98.58.68	+	eth0-2400.fwoffice01a.sp-roch.corp.zen.net.uk
212.23.9.205		fireissvcgw

		ll
88.98.161.26	+	88-98-161-26.ll.zen.net.uk
88.98.176.14	+	88-98-176-14.ll.zen.net.uk

		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

88.98.185.218	~	no-dns-yet-88-98-185-218.zen.net.uk
88.98.185.222	~	no-dns-yet-88-98-185-222.zen.net.uk
88.98.185.226	~	no-dns-yet-88-98-185-226.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