Robtex

Up: 12.199.28.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 12.199.28.0/25
Down right: 12.199.28.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
12.199.28.2	PTR	mailserver.forcefive.ca
12.199.28.2	A	mail.jeffryan-photography.com
12.199.28.2	A	atslink.com
12.199.28.3	PTR	mailserver.realagentmax.com
12.199.28.3	A	ns.realagentmax.com
12.199.28.3	A	homesinrussell.com
12.199.28.4	A	postmediarealestate.com
12.199.28.11	A	barbphillipsrealestatebrokerage.com
12.199.28.11	A	pmrealestatesites.com
12.199.28.12	A	myrealagentmax.com
12.199.28.15	PTR	smtpgateway.solutiontoolbox.com
12.199.28.18	A	ns2.cacnet.net
12.199.28.19	A	ns1.cacnet.net
12.199.28.42	PTR	kikocompany.com
12.199.28.42	A	kikocommercial.com
12.199.28.42	A	kikoclassified.com
12.199.28.50	A	nwmerchantservices.com
12.199.28.64	A	www.zscan.com
12.199.28.71	A	www.kagconnect.com
12.199.28.71	A	kagconnect.com
12.199.28.77	A	ftp.gtm.thekag.com
12.199.28.80	A+PTR	mail.thekag.com
12.199.28.80	A	mail.kagbilling.com
12.199.28.80	A	mail.bulkexpressinc.com
12.199.28.149	A	ipatientcare.us
12.199.28.162	PTR	smail.icovelegal.com
12.199.28.164	A	www.zscan.com
12.199.28.164	A	zscan.com
12.199.28.164	A	*.zscan.com
12.199.28.167	PTR	barracuda.cloud-51.net
12.199.28.167	A	mx1.cloud-51.net
12.199.28.254	A	smtp2.cacnet.net
12.199.28.254	A	smtp.cacnet.net