Robtex

Up: 68.17.32.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 68.17.32.0/25
Down right: 68.17.32.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.17.32.1	A+PTR	gateway.ud.net
68.17.32.2	PTR	srvr02.ud.net
68.17.32.3	PTR	srvr03.ud.net
68.17.32.3	PTR	www.ud.net
68.17.32.3	A	championhouse.com
68.17.32.10	A+PTR	ns.ud.net
68.17.32.10	A	ns.21307.20180407.deleted.gkg.net
68.17.32.11	A+PTR	ns2.ud.net
68.17.32.11	A	ns.21308.20180407.deleted.gkg.net
68.17.32.12	A+PTR	srvr12.ud.net
68.17.32.13	A	srvr13.ud.net
68.17.32.14	A	srvr14.ud.net
68.17.32.15	A+PTR	mail.ud.net
68.17.32.18	PTR	srvr18.ud.net
68.17.32.18	A	jucysribsbar-b-q.com
68.17.32.18	A	udevent.com
68.17.32.21	A	srvr21.ud.net
68.17.32.22	A	foyer.ud.net
68.17.32.23	PTR	alan.ud.net
68.17.32.23	A	anne.ud.net
68.17.32.25	A+PTR	listserver.ud.net
68.17.32.31	A	secure3.ud.net
68.17.32.46	A	chat.ud.net
68.17.32.49	A+PTR	laptop.ud.net
68.17.32.144	A	alchemyaromatics.com
68.17.32.144	A	robertpappas.com
68.17.32.144	A	jeanscharf.com
68.17.32.148	A	thescharfs.org
68.17.32.148	A	n3soft.com
68.17.32.148	A	itcd.io
68.17.32.149	A	intergrated.net
68.17.32.152	A	illc.io
68.17.32.155	A	essentialoil.education
68.17.32.155	A	essentialoil.university
68.17.32.155	A	essentialoils.org