Router Naming Convention for iptransit.com, 201307

Regular Expressions:

^[^\.]+\.(r\d+\..+)\.iptransit\.com$

Statistics:

Training routers with at least two clustered interfaces: 9
Positive Predictive Value: 0.973
True Positives (green): 36
False Positives (red): 1
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 2
False Negatives, not matched: 4
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:

		r1.dal.us
204.26.60.49	+	te2-4.r1.dal.us.iptransit.com
204.26.61.1	+	te3-3.r1.dal.us.iptransit.com
204.26.61.5	+	te3-4.r1.dal.us.iptransit.com
204.26.61.9	+	te3-8.r1.dal.us.iptransit.com
204.26.61.13	+	te5-1.r1.dal.us.iptransit.com
199.59.205.173	+	te9-3.r1.dal.us.iptransit.com
64.215.28.206		customer.tengigabitethernet2-3.ar2.dal2.gblx.net
4.28.42.90		avn.car1.dallas1.level3.net

		r1.de
199.59.206.125	+	ae2.r1.de.iptransit.com
204.26.60.45	+	xe-0-0-3.r1.de.iptransit.com
62.115.9.50		ipt-ic-157235-ffm-b11.c.telia.net
62.115.9.54		webzilla-ic-157236-ffm-b11.c.telia.net

		r1.la.us
199.59.205.145	+	te3-1.r1.la.us.iptransit.com
204.26.60.74	+	te5-3.r1.la.us.iptransit.com

		r1.la.us
206.223.123.74	~	peering.la.us.iptransit.com
204.26.60.54	!	te1-1.r1.la.us.iptransit.com
62.115.9.98		webzilla-ic-157246-las-bb1.c.telia.net

		r1.lon
199.59.206.109	+	xe-1-1-0.r1.lon.iptransit.com
89.221.43.93		iptransit.londra32.lon.seabone.net
89.221.43.95		iptransit.londra32.lon.seabone.net

		r1.lux
199.59.206.134	+	te2-1.r1.lux.iptransit.com
199.59.206.130	+	te4-1.r1.lux.iptransit.com

		r1.ny.us
198.32.118.43	~	paix.ny.us.iptransit.com
199.59.206.138	+	xe-0-0-3.r1.ny.us.iptransit.com
204.26.60.210	+	xe-0-1-1.r1.ny.us.iptransit.com
199.59.206.178	+	xe-0-1-2.r1.ny.us.iptransit.com
204.26.60.201	+	xe-0-2-1.r1.ny.us.iptransit.com
204.26.60.69	+	xe-0-3-1.r1.ny.us.iptransit.com
199.59.205.146	+	xe-0-3-2.r1.ny.us.iptransit.com
204.26.60.57	+	xe-1-0-0.r1.ny.us.iptransit.com
199.59.205.141	+	xe-1-2-0.r1.ny.us.iptransit.com
62.115.9.90		webzilla-ic-157244-nyk-b5.c.telia.net

		r2.ams.tc2.nl
199.59.206.150	+	ae3.r2.ams.tc2.nl.iptransit.com
199.59.206.126	+	ae5.r2.ams.tc2.nl.iptransit.com
199.59.206.177	+	xe-0-2-3.r2.ams.tc2.nl.iptransit.com
199.59.206.137	+	xe-0-3-0.r2.ams.tc2.nl.iptransit.com
212.72.41.50		ip-transit.edge5.amsterdam1.level3.net
212.72.41.54		ip-transit.edge5.amsterdam1.level3.net
212.72.41.18		webazilla-l.edge5.amsterdam1.level3.net
62.115.9.234		webzilla-ic-157241-adm-b4.c.telia.net
62.115.9.230		webzilla-ic-157242-adm-b4.c.telia.net

		r2.lux
204.26.60.9	+	te1-2.r2.lux.iptransit.com
204.26.60.13	+	te1-4.r2.lux.iptransit.com

		r3.ams.sara.nl
204.26.60.2	+	te2-2.r3.ams.sara.nl.iptransit.com
204.26.60.6	+	te2-4.r3.ams.sara.nl.iptransit.com

		r3.dal.us
206.223.118.25	~	peering.dfw.us.iptransit.com
204.26.61.6	+	te2-1.r3.dal.us.iptransit.com
204.26.61.2	+	te2-3.r3.dal.us.iptransit.com
204.26.60.70	+	te3-1.r3.dal.us.iptransit.com
204.26.61.14	+	te3-2.r3.dal.us.iptransit.com
204.26.61.10	+	te4-1.r3.dal.us.iptransit.com
204.26.60.58	+	te5-3.r3.dal.us.iptransit.com
204.26.60.62	+	te8-8.r3.dal.us.iptransit.com
199.59.205.161	+	te9-4.r3.dal.us.iptransit.com
89.221.40.137		iptransit.dallas2.dal.seabone.net
84.16.7.178		webzilla-3-0-3-grtdaleq4.red.telefonica-wholesale.net

198.32.176.37	~	paix2.pa.us.iptransit.com
204.26.63.185	-	ptc-pni.r1.ash.us.iptransit.com
199.59.205.162	-	te2-2.r1.pa.us.iptransit.com

206.223.115.75	o	peering.ash.us.iptransit.com
213.248.84.14		webzilla-ic-157243-ash-bb1.c.telia.net