Router Naming Convention for squareup.com, 201901

Regular Expressions:

^xe-\d+-\d+-\d+-(0\.[a-z\d]+\.[a-z\d]+)\.squareup\.com$

Statistics:

Training routers with at least two clustered interfaces: 12
Positive Predictive Value: 1.000
True Positives (green): 26
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: 5

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.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

		0.br01.lax1
74.122.191.43	+	xe-2-2-0-0.br01.lax1.squareup.com

		0.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
173.205.43.250		ip4.gtt.net
62.115.57.70		square-ic-315755-sjo-b21.c.telia.net

		0.br02.iad1
74.122.191.143	+	xe-0-2-0-0.br02.iad1.squareup.com
74.122.191.205	+	xe-1-2-0-0.br02.iad1.squareup.com

		0.br02.sjc1
74.122.191.170	+	xe-2-0-3-0.br02.sjc1.squareup.com
62.115.144.49		square-ic-316024-palo-b1.c.telia.net

		0.cs.iad1
74.122.191.151	+	xe-0-0-2-0.cs.iad1.squareup.com
74.122.191.153	+	xe-1-0-2-0.cs.iad1.squareup.com

		0.cs.sjc1
74.122.191.105	+	xe-0-0-22-0.cs.sjc1.squareup.com
74.122.191.103	+	xe-1-0-2-0.cs.sjc1.squareup.com
74.122.191.107	+	xe-1-0-22-0.cs.sjc1.squareup.com

		0.cs.sjc1b
74.122.191.119	+	xe-0-0-2-0.cs.sjc1b.squareup.com
74.122.191.135	+	xe-0-0-22-0.cs.sjc1b.squareup.com
74.122.191.121	+	xe-1-0-2-0.cs.sjc1b.squareup.com

		0.dr01.iad1
74.122.191.145	+	xe-0-0-24-0.dr01.iad1.squareup.com
74.122.191.139	+	xe-0-0-26-0.dr01.iad1.squareup.com

		0.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

		0.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

		0.dr01.sjc2
74.122.191.49	+	xe-0-0-25-0.dr01.sjc2.squareup.com
74.122.191.129	+	xe-0-0-27-0.dr01.sjc2.squareup.com

		0.dr02.iad2
74.122.191.17	+	xe-0-0-24-0.dr02.iad2.squareup.com
74.122.191.13	+	xe-0-0-26-0.dr02.iad2.squareup.com

		0.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

74.122.191.51	o	reth0-901.trfw.iad1.squareup.com

74.122.191.109	o	xe-0-0-2-0.br01.hq.corp.squareup.com
4.35.161.146		square-inc.bar1.sanfrancisco1.level3.net

74.122.191.163	o	ge-1-1-5-0.br01.nyc.corp.squareup.com