Robtex

Up: 216.39.14.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.39.15.0/25
Down right: 216.39.15.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.39.15.17	A	router.exportassist.com
216.39.15.18	A	host18.exportassist.com
216.39.15.19	A+PTR	host19.exportassist.com
216.39.15.20	A	host20.exportassist.com
216.39.15.21	A	host21.exportassist.com
216.39.15.22	A	host22.exportassist.com
216.39.15.23	A	host23.exportassist.com
216.39.15.24	A	host24.exportassist.com
216.39.15.25	A	host25.exportassist.com
216.39.15.26	A	host26.exportassist.com
216.39.15.27	A	host27.exportassist.com
216.39.15.28	A	host28.exportassist.com
216.39.15.29	A	host29.exportassist.com
216.39.15.146	A+PTR	mail.rftmlaw.com
216.39.15.146	A	mail.rouda.org
216.39.15.146	A	mail.rftlaw.com
216.39.15.154	A	phone.schwartz-cera.com
216.39.15.163	PTR	pfa-163.44mont.gvad.net
216.39.15.171	A	mail.maryalexanderlaw.com
216.39.15.173	PTR	louderback-173.44mont.gvad.net
216.39.15.205	A+PTR	atriumd-205.44mont.gvad.net
216.39.15.205	A	mail.gsdllaw.com
216.39.15.205	A	mail.gsmdlaw.com
216.39.15.234	A+PTR	thsbiaic-234.44mont.gvad.net
216.39.15.234	A	nywebmail.sapphireir.com
216.39.15.242	A+PTR	mail.snllp.com
216.39.15.242	A	snllplocal.com