Router Naming Convention for ncren.net, 201304

Regular Expressions:

^([a-z]+)-[a-z\d]+-(to)-[a-z\d]+-[^\.]+\.ncren\.net$
^([a-z\d]+-[a-z\d]+)-[a-z\d]+-.+-(gw)\.ncren\.net$

Statistics:

Training routers with at least two clustered interfaces: 12
Positive Predictive Value: 0.971
True Positives (green): 34
False Positives (red): 1
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 2
False Negatives, not matched: 7
Training routers with a single interface in suffix: 16

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:

		asu\|to
128.109.246.114	+	asu-gw2-to-chlt7600-gw.ncren.net

		barton\|to
128.109.18.18	+	barton-gw-to-rtp7600-gw.ncren.net

		brunswick-lea\|gw
128.109.16.174	+	brunswick-lea-gw-to-gb7600-gw.ncren.net
216.99.112.10		su-216-99-112-10.dsl.atmc.net

		chlt7600-gw\|gw
128.109.9.10	+	chlt7600-gw-pri-to-chltcrs-gw.ncren.net
128.109.9.14	+	chlt7600-gw-sec-to-chltcrs-gw.ncren.net
128.109.9.17	+	chlt7600-gw-to-rtp7600-gw.ncren.net
128.109.9.21	+	chlt7600-gw-to-ws7600-a1a-gw.ncren.net

		chltcrs\|to
128.109.9.9	+	chltcrs-gw-to-chlt7600-gw-pri.ncren.net
128.109.9.13	+	chltcrs-gw-to-chlt7600-gw-sec.ncren.net
198.86.17.65	+	chltcrs-gw-to-internet2-atl.ncren.net
128.109.212.2	+	chltcrs-gw-to-rtpcrs-gw.ncren.net
128.109.212.5	+	chltcrs-gw-to-wscrs-gw.ncren.net
4.71.126.6		mcnc.car2.charlotte1.level3.net

		clinton-lea\|gw
128.109.2.90	+	clinton-lea-gw-to-fay7600-gw.ncren.net
66.207.227.250		ccs-state-r1-f0-0.intrstar.net

		dep7600-gw2\|gw
198.86.17.85	~	dep7600-gw2-to-nlr-atl.ncren.net
128.109.75.10	+	dep7600-gw2-to-rlgh7600-gw.ncren.net
128.109.70.138	+	dep7600-gw2-to-rtp7600-gw.ncren.net

		ecsu\|to
128.109.58.154	+	ecsu-gw-to-rkmt7600-gw.ncren.net

		ecu7600-gw\|gw
128.109.9.50	+	ecu7600-gw-to-rkmt7600-gw.ncren.net
128.109.9.66	+	ecu7600-gw-to-wil7600-gw.ncren.net

		guilford-cc\|gw
128.109.248.202	+	guilford-cc-gw-to-chlt7600-gw.ncren.net

		guilford-county\|gw
128.109.16.134	+	guilford-county-schools-to-guilford-gw.ncren.net

		hickory7600-gw2\|gw
128.109.9.58	+	hickory7600-gw2-to-ash7600-gw.ncren.net
128.109.9.54	+	hickory7600-gw2-to-ws7600-a1a-gw.ncren.net

		jcsu\|to
128.109.246.50	+	jcsu-gw-to-chlt3750-gw.ncren.net
128.109.248.174	+	jcsu-gw2-to-chlt7600-gw.ncren.net

		jones-lea\|gw
128.109.58.254	+	jones-lea-gw-to-rkmt7600-gw.ncren.net

		naan\|to
128.109.70.14	+	naan-gw-to-rtp7600-gw.ncren.net
152.3.48.238		art1-sp-vl4085.netcom.duke.edu
152.3.219.118		art1sp-tel1sp.netcom.duke.edu

		randolph-lea\|gw
128.109.16.158	+	randolph-lea-gw-to-gb7600-gw.ncren.net
216.237.224.2		fe-0-ncren.nstel.com

		roti\|to
128.109.70.18	+	roti-gw-to-rlgh7600-gw.ncren.net
152.3.219.117		tel1sp-art1sp.netcom.duke.edu

		rtp7600-gw\|gw
128.109.9.69	+	rtp7600-gw-sec-to-rtpcrs-gw.ncren.net
128.109.9.2	+	rtp7600-gw-tg4-2-to-rtp-crs-gw.ncren.net
128.109.9.18	+	rtp7600-gw-to-chlt7600-gw.ncren.net
128.109.70.137	~	rtp7600-gw-to-dep7600-gw2.ncren.net
128.109.18.153	~	rtp7600-gw-to-pfdi-gw2.ncren.net

		rtpcrs\|to
128.109.9.5	-	rtp-crs-gw-to-rlgh7600-gw.ncren.net
128.109.9.1	~	rtp-crs-gw-to-rtp7600-gw-tg4-2.ncren.net
128.109.9.70	-	rtpcrs-gw-sec-to-rtp7600-gw.ncren.net
128.109.212.1	+	rtpcrs-gw-to-chltcrs-gw.ncren.net
198.86.17.77	+	rtpcrs-gw-to-internet2-wash.ncren.net
128.109.212.9	+	rtpcrs-gw-to-wscrs-gw.ncren.net
4.71.162.18		mcnc.car2.raleigh1.level3.net

		sprint-pvt\|gw
128.109.58.178	+	sprint-pvt-peer-to-ecu7600-gw.ncren.net
67.238.93.217		67-238-93-217.centurylinkservices.net
184.7.23.117		nc-184-7-23-117.sta.centurylinkservices.net
184.7.23.145		nc-184-7-23-145.sta.centurylinkservices.net
184.7.23.25		nc-184-7-23-25.sta.centurylinkservices.net
208.17.72.109		nc-208-17-72-109.sta.embarqhsd.net
208.17.72.121		nc-208-17-72-121.sta.embarqhsd.net
71.2.233.65		fl-71-2-233-65.static.embarqnow.net
67.77.236.121		crncrcmt03.embarqservices.net
67.77.236.125		crncrcmt04.embarqservices.net
76.7.66.189		host76-7-66-189.static.embarqservices.net

		uncg1-gw\|gw
128.109.16.14	+	uncg1-gw-to-gb7600-gw.ncren.net
152.13.254.1		ncren-video-gw.uncg.edu

		uncp\|to
128.109.2.22	+	uncp-gw2-to-uncp-gw.ncren.net
128.109.3.18	+	uncp-gw2-to-wil7600-gw.ncren.net

		uncp\|to
128.109.2.14	!	uncp-gw-to-fay7600-gw.ncren.net

		wil7600-gw\|gw
128.109.9.46	+	wil7600-gw-to-fay7600-gw.ncren.net

		ws7600-a1a\|gw
128.109.21.25	+	ws7600-a1a-gw-to-asu-gw.ncren.net
128.109.9.22	+	ws7600-a1a-gw-to-chlt7600-gw.ncren.net
128.109.9.37	+	ws7600-a1a-gw-to-gb7600-gw.ncren.net
128.109.1.106	~	ws7600-a1a-gw-to-wscrs-gw-sec.ncren.net

		wscrs\|to
128.109.212.6	+	wscrs-gw-to-chltcrs-gw.ncren.net
128.109.212.10	+	wscrs-gw-to-rtpcrs-gw.ncren.net
128.109.1.105	+	wscrs-gw-to-ws7600-a1a-gw-sec.ncren.net
128.109.1.101	+	wscrs-gw-to-ws7600-a1a-gw.ncren.net

		wssu\|to
128.109.1.38	+	wssu-gw2-to-ws7600-a1a-gw.ncren.net
128.109.1.46	+	wssu-gw2-to-wssu-gw.ncren.net

128.109.70.89	~	rtp3750-gw-to-warren-co-schools.ncren.net
128.109.70.226	~	warren-lea-gw-to-rtp7600-gw-via-tw.ncren.net

128.109.3.17	o	wil7600-gw-to-uncp-gw2.ncren.net

128.109.70.198	o	redhat-to-rtp7600-gw.ncren.net
66.187.233.252		vrrp1-edge-prod-rdu2.redhat.com