Router Naming Convention for ihug.net, 201708

Regular Expressions:

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

Statistics:

Training routers with at least two clustered interfaces: 1
Positive Predictive Value: 0.333
True Positives (green): 2
False Positives (red): 4
IP literals extracted (red): 0
False Negatives, identifier extracted (orange): 0
False Negatives, not matched: 2
Training routers with a single interface in suffix: 6

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:

		akl
203.118.188.13	+	gig4-1-0-118.akl-ldv-edge2.ihug.net
203.109.129.28	+	vl40.akl-grafton-bdr1.ihug.net
203.109.177.61		203-109-177-61.dsl.dyn.ihug.co.nz
203.109.129.34		te0-3-0-1-100.ppnzftc02.akl.vf.net.nz
203.109.134.250		unassigned.content.vf.net.nz
203.118.158.75		unassigned.core.vf.net.nz
203.118.158.101		unassigned.core.vf.net.nz

		akl
203.109.131.26	~	203-109-131-26.ihug.net
203.109.129.26	!	vl40.akl-grafton-edge1.ihug.net
203.109.254.39	~	vlan3-tig-nz-akl-core-2.ihug.net
203.109.177.60		203-109-177-60.dsl.dyn.ihug.co.nz
203.109.179.130		203-109-179-130.dsl.dyn.ihug.co.nz
203.109.129.38		be5-100.ppnzftc01.akl.vf.net.nz
203.118.158.74		unassigned.core.vf.net.nz
203.109.180.207		unassigned.vf.net.nz

		akl
203.109.130.34	!	gi1-0-0.akl-grafton-bba1.ihug.net

		akl
203.109.130.41	!	gi2-20.akl-grafton-bdr1.ihug.net
134.159.174.38		unknown.telstraglobal.net
134.159.174.42		unknown.telstraglobal.net
203.109.180.225		bvi-188.bgnzftc02.akl.vf.net.nz
203.109.180.226		bvi-400.bgnzftc02.akl.vf.net.nz
203.109.180.206		te0-0-0-3-8.bgnzftc02.akl.vf.net.nz
203.109.156.46		unassigned.core.vf.net.nz
203.109.255.1		unassigned.core.vf.net.nz

		akl
203.109.130.42	!	fa0-3.akl-sky-car1.ihug.net
203.167.201.141		b002-m003-p013.wgtn.clear.net.nz
203.97.65.17		203-97-65-17.int.primo.nz

		chc
203.109.190.12	+	vl109.chc-ctp-core1.ihug.net
203.109.129.146		be5-100.ppnzctp01.chc.vf.net.nz
203.109.180.185		unassigned.vf.net.nz

203.109.247.1	o	203-109-247-1.ihug.net
203.118.141.129		203-118-141-129.pppoe.ihug.co.nz
203.109.180.209		bvi-188.bgnzwtc02.wlg.vf.net.nz
203.109.180.210		bvi-400.bgnzwtc02.wlg.vf.net.nz
203.96.221.145		unassigned.core.vf.net.nz
203.109.156.30		unassigned.core.vf.net.nz

203.109.247.65	o	203-109-247-65.ihug.net
203.118.141.193		203-118-141-193.pppoe.ihug.co.nz
203.109.182.17		bvi-188.bgnzctp02.chc.vf.net.nz
203.109.182.18		bvi-400.bgnzctp02.chc.vf.net.nz
203.96.221.161		unassigned.core.vf.net.nz
203.109.155.253		unassigned.core.vf.net.nz
203.109.156.62		unassigned.core.vf.net.nz

203.109.250.73	o	203-109-250-73.ihug.net
203.109.244.17		unassigned.core.vf.net.nz

203.109.250.213	o	203-109-250-213.ihug.net
152.179.103.58		vodafone-gw.customer.alter.net

203.109.253.1	o	203-109-253-1.ihug.net
203.118.141.65		203-118-141-65.pppoe.ihug.co.nz
134.159.174.30		unknown.telstraglobal.net
134.159.174.34		unknown.telstraglobal.net
203.109.130.33		be10-2.bgnzldv02.akl.vf.net.nz
203.109.180.204		be2-2.bgnzldv02.akl.vf.net.nz
203.109.180.241		bvi-188.bgnzldv02.akl.vf.net.nz
203.109.180.242		bvi-400.bgnzldv02.akl.vf.net.nz
203.109.156.14		unassigned.core.vf.net.nz
203.96.208.57		unassigned.cust.vf.net.nz