Router Naming Convention for citynetwork.se, 201708

Regular Expressions:

(\d+)-\d+\.(.+2\.core)\.citynetwork\.se$
^[a-z\d]+-[^\.]+\.([a-z\d]+\.core)\.citynetwork\.se$

Statistics:

Training routers with at least two clustered interfaces: 6
Positive Predictive Value: 0.889
True Positives (green): 16
False Positives (red): 2
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 1
False Negatives, not matched: 2
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:

		0\|kna1-b2.core
91.123.207.65	+	te-0-0-0-0.kna1-b2.core.citynetwork.se
91.123.207.67	+	te-0-0-0-1.kna1-b2.core.citynetwork.se
91.123.206.225	!	te2-4-2.kna1.core.citynetwork.se

		5\|fra1b2.core
86.107.242.197	+	te5-15.fra1b2.core.citynetwork.se
86.107.242.199	+	te5-16.fra1b2.core.citynetwork.se
91.123.207.55	-	te5-3.fra1-b2.core.citynetwork.se
5.200.30.2		hosted-by.i3d.net
62.67.38.118		city-networ.ear2.frankfurt1.level3.net

		5\|sto2.core
192.121.80.20	+	sthix-te2-5-4.sto2.core.citynetwork.se
91.123.206.221	+	te2-5-12.sto2.core.citynetwork.se
91.123.207.54	+	te2-5-7.sto2.core.citynetwork.se
62.115.48.126		citynetwork-ic-307874-s-b9.c.telia.net

		fra1b1.core
86.107.242.196	+	te5-15.fra1b1.core.citynetwork.se
86.107.242.198	+	te5-16.fra1b1.core.citynetwork.se
91.123.207.27	~	te5-3.fra1-b1.core.citynetwork.se
5.200.30.86		hosted-by.i3d.net
62.115.48.130		citynetwork-ic-307875-ffm-b2.c.telia.net

		kna1.core
91.123.206.50	+	po-501.kna1.core.citynetwork.se
91.123.207.75	+	te1-4-1.kna1.core.citynetwork.se
91.123.207.71	+	te1-4-15.kna1.core.citynetwork.se
91.123.207.73	+	te2-4-15.kna1.core.citynetwork.se
91.123.207.77	+	te2-4-16.kna1.core.citynetwork.se

		kna1.core
91.123.207.76	~	te-0-0-0-2.kna1-b1.core.citynetwork.se
91.123.207.20	!	te1-4-6.kna1.core.citynetwork.se
217.10.127.77		cr1-cnh-kna.netatonce.net

		la1.core
91.123.207.39	+	te1-5-3.la1.core.citynetwork.se
192.227.244.118		192-227-244-118-host.colocrossing.com
192.227.244.122		192-227-244-122-host.colocrossing.com

		lon1.core
91.123.206.222	+	te1-5-12.lon1.core.citynetwork.se
91.123.207.26	+	te1-5-4.lon1.core.citynetwork.se
195.50.124.30		city-networ.ear1.london1.level3.net
62.115.48.142		citynetwork-ic-307873-ldn-b3.c.telia.net

		sto2.core
185.2.152.201	+	po-500.sto2.core.citynetwork.se