Robtex

Up: 12.111.222.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 12.111.223.0/25
Down right: 12.111.223.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
12.111.223.15	A	us03.yellhosting.com
12.111.223.33	A	partner-sami.hibu.com
12.111.223.43	A	kpcm.yellowbook.com
12.111.223.50	A+PTR	mx01.yellglobal.com
12.111.223.50	A	mx01.yellowbook.com
12.111.223.51	A+PTR	mx03.yellglobal.com
12.111.223.51	A	mx03.yellowbook.com
12.111.223.64	A	encoreconsignmentwayland.com
12.111.223.64	A	zieglerconst.net
12.111.223.64	A	missoulaarchitectgroup.com
12.111.223.65	A+PTR	smtp0.ybsitecenter.com
12.111.223.69	A	yelladworks.com
12.111.223.69	A	corporate.yellowbook.com
12.111.223.69	A	emarketplace.com
12.111.223.70	A	gregorywallerdpm.com
12.111.223.70	A	precisionsportspt.com
12.111.223.70	A	stellamnicholson-il.com
12.111.223.71	A	analytics.ybsitecenter.com
12.111.223.71	A	analytics.fw2.ybsitecenter.net
12.111.223.73	A	typeahead.yellowbook.com
12.111.223.74	A+PTR	dns09.yellowbook.com
12.111.223.75	A	us01.yellhosting.com
12.111.223.91	A	business.yellowbook360.com
12.111.223.92	A	chatterhub.yellowbook360.com
12.111.223.96	A	origin-mf.yellhosting.com
12.111.223.98	A	mft.yellowbook.com
12.111.223.114	A	ns1.clickforward.com
12.111.223.132	A+PTR	dns03.yellowbook.com
12.111.223.133	A	dns05.yellowbook.com
12.111.223.140	A+PTR	dns01.yellowbook.com
12.111.223.142	A	weforia.net
12.111.223.142	A	db3.wpz.com
12.111.223.142	A	*.yellowpages-ads.com
12.111.223.143	A	meeting2.yellowbook.com
12.111.223.144	A+PTR	meeting.yellowbook.com
12.111.223.145	A	dns07.yellowbook.com
12.111.223.148	A	clicktracking.yellowbook.com
12.111.223.150	PTR	cmr.yellowbookdirect.com
12.111.223.151	A	atlantic-pest-control.clickforward.com
12.111.223.151	A	americanwastecontrol.clickforward.com
12.111.223.151	A	hearsaviours.clickforward.com
12.111.223.152	A	webreach.yellowbook.com
12.111.223.152	A	yellowbookleads.com
12.111.223.152	A	clickforward.com
12.111.223.162	A	nationalsales.yellowbook.com
12.111.223.227	A	mobileus.yellowbook.com
12.111.223.236	A	estoreadmin.us.com
12.111.223.236	A	estoreadmin.uk.com
12.111.223.236	A	estoreadmin.com
12.111.223.247	A	tshirtandsilkscreeningnewportrickeyfl.com
12.111.223.247	A	secondstreetironandmetalco.com
12.111.223.247	A	bparkscpa.com
12.111.223.250	A	ypeek.yellowbook.com
12.111.223.251	A	api.yellowbook.com