Robtex

Up: 192.230.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 192.230.32.0/20
Down right: 192.230.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.230.34.2	A+PTR	mail.cosherr.com
192.230.34.2	A	cosherr.com
192.230.34.3	A+PTR	mail.curryr.com
192.230.34.3	A	curryr.com
192.230.34.34	A	mail.boxhaulr.com
192.230.34.34	A	boxhaulr.com
192.230.34.35	A	coexistr.com
192.230.34.35	A	mail.coexistr.com
192.230.34.36	PTR	mail.jettedly.com
192.230.34.66	A	anelely.com
192.230.34.66	A	mail.anelely.com
192.230.34.67	A	boppedr.com
192.230.34.67	A	mail.boppedr.com
192.230.34.68	PTR	mail.hearkenr.com
192.230.34.98	A+PTR	mail.fillety.com
192.230.34.98	A	fillety.com
192.230.34.98	A	fzsc457387.grarat.com
192.230.34.99	A	mail.happingly.com
192.230.34.100	PTR	mail.smutchly.com
192.230.34.130	A	mail.aculag.com
192.230.34.130	A	aculag.com
192.230.34.131	A	mail.nosunburns.com
192.230.34.132	PTR	mail.kopbop.com
192.230.34.132	A	kopbop.com
192.230.34.162	A+PTR	mail.mesayhesay.com
192.230.34.162	A	mesayhesay.com
192.230.34.162	A	reseedly.com
192.230.34.163	PTR	mail.shirtshrift.com
192.230.34.164	PTR	mail.normwtda.com
192.230.34.194	A	mail.darkenly.com
192.230.34.194	A	darkenly.com
192.230.34.195	A	deigny.com
192.230.34.195	A	mail.deigny.com
192.230.34.226	A	dwelledly.com
192.230.34.226	A	mail.dwelledly.com
192.230.34.227	A	mail.entrustly.com
192.230.34.227	A	entrustly.com
192.230.35.2	PTR	fertilize11.toysstuffedanimals.com
192.230.35.67	A	mi-ex-ca-mon-1.northghost.com
192.230.35.67	A	ext-mi-ex-ca-mon-pr-p-1.northghost.com
192.230.35.68	A	ext-mi-ex-ca-mon-pr-p-2.northghost.com
192.230.35.68	A	mi-ex-ca-mon-2.northghost.com
192.230.35.154	A	mi-ex-ca-tor-5.northghost.com
192.230.35.154	A	ext-mi-ex-ca-tor-pr-p-5.northghost.com
192.230.36.3	A+PTR	mail.ridgelandhills.com
192.230.36.3	A	ridgelandhills.com
192.230.36.9	A+PTR	mail.ridgelandbeach.com
192.230.36.9	A	ridgelandbeach.com
192.230.36.16	PTR	mail.ridgelandcenter.com
192.230.36.30	PTR	mail.ridgelandcorner.com
192.230.39.18	A	newssim.com
192.230.39.18	A	mail.newssim.com
192.230.39.20	A	mail.findholdings.com
192.230.39.20	A	findholdings.com
192.230.41.2	A	nuhealthinsurance.com
192.230.41.2	A	mail.nuhealthinsurance.com
192.230.41.3	A	mail.hinsure-mailer.com
192.230.41.4	A	mail.careplan-mailer.com
192.230.41.38	PTR	kay67.com
192.230.46.103	A	forgtv.com
192.230.46.135	A	fr177.nordvpn.com
192.230.47.2	A+PTR	mail.specialcalmwallet.com
192.230.47.2	A	specialcalmwallet.com
192.230.47.2	A	www.specialcalmwallet.com
192.230.47.3	A+PTR	mail.idealsimplewealth.com
192.230.47.4	PTR	mail.primeserenewealth.com
192.230.47.5	PTR	mail.honestrightwallet.com
192.230.52.1	PTR	52-1-reverse.formulahost.com
192.230.52.2	PTR	52-2-reverse.formulahost.com
192.230.52.38	PTR	52-38-reverse.formulahost.com
192.230.52.65	PTR	52-65-reverse.formulahost.com
192.230.52.96	PTR	52-96-reverse.formulahost.com
192.230.52.98	PTR	52-98-reverse.formulahost.com
192.230.52.128	PTR	52-128-reverse.formulahost.com
192.230.52.132	PTR	52-132-reverse.formulahost.com
192.230.52.161	PTR	52-161-reverse.formulahost.com
192.230.52.192	PTR	52-192-reverse.formulahost.com
192.230.52.226	PTR	52-226-reverse.formulahost.com
192.230.55.2	A+PTR	mail.brightprimewealth.com
192.230.55.2	A	brightprimewealth.com
192.230.55.3	A+PTR	mail.brightrightinvest.com
192.230.55.3	A	brightrightinvest.com
192.230.55.4	PTR	mail.calmclarityinvest.com
192.230.55.5	PTR	mail.calmclaritywealth.com
192.230.56.238	PTR	56-238-reverse.monicadesk.net
192.230.61.2	A+PTR	mail.chosslin.com
192.230.61.3	A+PTR	mail.deweyew.com
192.230.61.4	A+PTR	mail.feudigi.com
192.230.61.5	A	foxserfe.com