Router Naming Convention for squareup.com, 201603

Regular Expressions:

^xe-\d+-\d+-[^\.]+\.([a-z\d]+\..+)\.squareup\.com$

Statistics:

Training routers with at least two clustered interfaces: 15
Positive Predictive Value: 1.000
True Positives (green): 30
False Positives (red): 0
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 0
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:

		br01.iad1
74.122.191.142	+	xe-0-2-0-0.br01.iad1.squareup.com
74.122.191.39	+	xe-0-3-0-0.br01.iad1.squareup.com

		br01.sjc1
74.122.191.38	+	xe-0-3-0-0.br01.sjc1.squareup.com
74.122.191.42	+	xe-2-0-3-0.br01.sjc1.squareup.com
62.115.57.70		square-ic-315755-sjo-b21.c.telia.net

		br02.hq
74.122.187.14	+	xe-0-0-3.br02.hq.squareup.com

		br02.iad1
74.122.191.143	+	xe-0-2-0-0.br02.iad1.squareup.com
62.115.37.34		square-ic-315753-ash-b1.c.telia.net

		br02.sjc1
74.122.191.170	+	xe-2-0-3-0.br02.sjc1.squareup.com
4.71.114.194		square-inc.car4.sanjose1.level3.net

		cs01.iad1
74.122.191.151	+	xe-0-0-2-0.cs01.iad1.squareup.com
74.122.191.155	+	xe-0-0-22-0.cs01.iad1.squareup.com

		cs01.sjc1
74.122.191.101	+	xe-0-0-2-0.cs01.sjc1.squareup.com
74.122.191.105	+	xe-0-0-22-0.cs01.sjc1.squareup.com

		cs01.sjc1b
74.122.191.119	+	xe-0-0-2-0.cs01.sjc1b.squareup.com
74.122.191.135	+	xe-0-0-22-0.cs01.sjc1b.squareup.com

		cs01a.365.corp
74.122.187.3	+	xe-0-0-36.cs01a.365.corp.squareup.com
74.122.187.7	+	xe-0-0-37.cs01a.365.corp.squareup.com

		cs02.iad1
74.122.191.153	+	xe-0-0-2-0.cs02.iad1.squareup.com
74.122.191.157	+	xe-0-0-22-0.cs02.iad1.squareup.com

		cs02.sjc1
74.122.191.103	+	xe-0-0-2-0.cs02.sjc1.squareup.com
74.122.191.107	+	xe-0-0-22-0.cs02.sjc1.squareup.com

		cs02.sjc1b
74.122.191.121	+	xe-0-0-2-0.cs02.sjc1b.squareup.com
74.122.191.137	+	xe-0-0-22-0.cs02.sjc1b.squareup.com

		dr01.iad2
74.122.191.15	+	xe-0-0-24-0.dr01.iad2.squareup.com
74.122.191.3	+	xe-0-0-26-0.dr01.iad2.squareup.com

		dr01.sjc1
74.122.191.95	+	xe-0-0-24-0.dr01.sjc1.squareup.com
74.122.191.87	+	xe-0-0-26-0.dr01.sjc1.squareup.com

		dr01.sjc2
74.122.191.49	+	xe-0-0-24-0.dr01.sjc2.squareup.com
74.122.191.45	+	xe-0-0-26-0.dr01.sjc2.squareup.com

		dr02.iad1
74.122.191.147	+	xe-0-0-24-0.dr02.iad1.squareup.com
74.122.191.141	+	xe-0-0-26-0.dr02.iad1.squareup.com

		dr02.sjc1
74.122.191.97	+	xe-0-0-24-0.dr02.sjc1.squareup.com
74.122.191.93	+	xe-0-0-26-0.dr02.sjc1.squareup.com

		dr02.sjc2
74.122.191.55	+	xe-0-0-24-0.dr02.sjc2.squareup.com
74.122.191.47	+	xe-0-0-26-0.dr02.sjc2.squareup.com