Router Naming Convention for yndx.net, 201803

Regular Expressions:

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

Statistics:

Training routers with at least two clustered interfaces: 14
Positive Predictive Value: 1.000
True Positives (green): 44
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: 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:

		ams1-b1
213.180.213.194	+	ams1-b1-ae4.yndx.net
213.180.213.129	+	ams1-b1-et-4-1-0.yndx.net
213.180.213.94	+	ams1-b1-et-9-1-0.yndx.net
213.180.213.96	+	ams1-b1-et-9-3-0.yndx.net
80.249.211.200		ams-ix-am1.yandex.net

		ash
213.180.213.184	+	ash-b1-ae3.yndx.net
213.180.213.195	+	ash-b1-ae4.yndx.net
62.115.54.166		yandex-ic-314398-ash-b1.c.telia.net

		fra1-b1
213.180.213.105	+	fra1-b1-et-4-1-0.yndx.net
213.180.213.97	+	fra1-b1-et-4-3-0.yndx.net

		jansson
213.180.213.90	+	jansson-ae0.yndx.net
213.180.213.34	+	jansson-ae1.yndx.net
213.180.213.128	+	jansson-et-2-1-0.yndx.net
213.180.213.95	+	jansson-et-4-1-0.yndx.net
213.248.75.251		yandex-ic-325960-hls-b1.c.telia.net

		korova
87.250.239.41	+	korova-ae3.yndx.net
87.250.239.137	+	korova-ae4.yndx.net
77.75.156.57		y-gw-ugre2-vlan105.yamoney.ru

		m9-p1
213.180.213.88	+	m9-p1-be11.yndx.net
87.250.239.113	+	m9-p1-be15.yndx.net
87.250.239.51	+	m9-p1-be6.yndx.net
87.250.239.54	+	m9-p1-be7.yndx.net
213.180.213.121	+	m9-p1-hu0-2-0-1.yndx.net

		m9-p2
87.250.239.115	+	m9-p2-eth-trunk1.yndx.net
87.250.239.134	+	m9-p2-eth-trunk2.yndx.net
87.250.239.50	+	m9-p2-eth-trunk6.yndx.net
87.250.239.127	+	m9-p2-eth-trunk8.yndx.net

		man1-d1
84.201.142.233	+	man1-d1-po8-1211.yndx.net
84.201.142.235	+	man1-d1-po9-1221.yndx.net

		marionetka
87.250.239.76	+	marionetka-ae1.yndx.net
213.180.213.89	+	marionetka-ae11.yndx.net
87.250.239.64	+	marionetka-ae12.yndx.net

		red
87.250.239.5	+	red-c1-ae2.yndx.net
213.180.213.15	+	red-c1-ae4.yndx.net
77.75.156.17		y-fw-brd-rr1-vlan105.yamoney.ru

		sibelius
213.180.213.35	+	sibelius-ae2.yndx.net
213.180.213.104	+	sibelius-et-4-1-0.yndx.net
213.180.213.120	+	sibelius-et-5-1-0.yndx.net
149.6.58.90		yandex.demarc.cogentco.com
213.242.69.250		ti3002b400-ae20-0.ti.telenor.net
213.248.90.187		yandex-ic-327925-hls-b2.c.telia.net

		std
87.250.239.133	+	std-p2-be1.yndx.net
87.250.239.65	+	std-p2-be12.yndx.net
87.250.239.62	+	std-p2-be14.yndx.net
87.250.239.135	+	std-p2-be2.yndx.net
87.250.239.3	+	std-p2-be6.yndx.net

		styri
87.250.239.82	+	styri-ae0.yndx.net
87.250.239.132	+	styri-ae1.yndx.net
87.250.239.126	+	styri-ae8.yndx.net
213.180.213.18	+	styri-et-10-3-0-901.yndx.net
195.208.208.116	~	styri.yndx.net

		sverdlov
87.250.239.77	+	sverdlov-ae1.yndx.net
213.180.213.19	+	sverdlov-ae2.yndx.net