Robtex

Up: 199.48.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 199.48.72.0/22
Down right: 199.48.76.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.48.72.47	A	dsi-mail.dsiamerica.com
199.48.72.73	A+PTR	mail.nelsonwesterberg.com
199.48.72.73	A	mail.chartertransportationinc.com
199.48.72.73	A	mail.lidomoving.com
199.48.72.131	A	topyprecision.com
199.48.72.132	A+PTR	mail.topyprecision.com
199.48.72.194	A	mail-1.edlong.com
199.48.72.205	A	webmail.edlong.com
199.48.72.216	PTR	perfectionmachinery.com
199.48.72.216	PTR	mail2.perfectionmachinery.com
199.48.72.245	A	deciphr.com
199.48.72.245	A	eathealthe.com
199.48.72.245	A	castellanishooting.com
199.48.73.78	A	mail2.mizkan.com
199.48.73.150	A	newmail.wtengineering.com
199.48.73.150	A	mail.cdg-llc.com
199.48.73.150	A	mail.rac-llc.com
199.48.73.176	A	accnbilling.com
199.48.73.176	A	simbriaseniorhealth.net
199.48.73.176	A	parkwaypharmacy.com
199.48.74.37	A	mail2.benefitstalk.com
199.48.74.37	A	mail.westlakefg.com
199.48.74.38	A	mail.gadm.com
199.48.74.38	A	aspmx2.googlemail.com.theburtcollection.com
199.48.74.42	A	westlakefg.com
199.48.74.43	A	www.benefitstalk.com
199.48.74.44	A	mail2.westlakefg.com
199.48.74.67	A	mail.wachsco.com
199.48.74.67	A	mail.ehwachs.com
199.48.75.219	A	barracuda.aerodirect.com
199.48.75.221	A+PTR	mail.aerodirect.com
199.48.75.221	A	www.aerodirect.com
199.48.75.222	A	ltlmaster.com
199.48.75.227	PTR	email.metalserve.com
199.48.75.227	A	corpmail.beaconfasteners.com
199.48.75.227	A	mail.beaconfasteners.com
199.48.77.2	A	vpn1.rollprint.com
199.48.77.6	A	rollprint.com
199.48.77.6	A	vpn2.rollprint.com
199.48.77.6	A	mail.rollprint.com
199.48.77.226	A	shop.champrosports.com
199.48.79.18	A	fecslink.com
199.48.79.21	A	fecs2el.com