Robtex

Up: 92.43.136.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 92.43.136.0/23
Down right: 92.43.138.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
92.43.136.0	PTR	host-0.136.43.92.ucom.am
92.43.136.1	PTR	host-1.136.43.92.ucom.am
92.43.136.14	A+PTR	rdns.ucom.am
92.43.136.134	A+PTR	host-134.136.43.92.ucom.am
92.43.136.137	A+PTR	host-137.136.43.92.ucom.am
92.43.136.153	A+PTR	host-153.136.43.92.ucom.am
92.43.137.1	PTR	ns.ucom.am
92.43.137.3	PTR	hosting.ucom.am
92.43.137.3	A	alexserv.am
92.43.137.3	A	mail.gals.am
92.43.137.5	PTR	sip.ucom.am
92.43.137.6	A+PTR	billing.ucom.am
92.43.137.9	PTR	mail.galaxyconcern.am
92.43.137.9	A	galaxyconcern.am
92.43.137.12	A+PTR	ns1.ucom.am
92.43.137.12	A+PTR	ns.ucom.am
92.43.137.12	A	host-12.137.43.92.ucom.am
92.43.137.17	PTR	host-17.137.43.92.ucom.am
92.43.137.19	A+PTR	mail.slavtour.co
92.43.137.19	A	mail.tibalt.co
92.43.137.19	A	mx.slavstroy.com
92.43.137.21	A+PTR	host-21.137.43.92.ucom.am
92.43.137.23	PTR	host-23.137.43.92.ucom.am
92.43.137.25	PTR	host-25.137.43.92.ucom.am
92.43.137.25	A	uradio.am
92.43.137.27	A+PTR	mail.armwater.am
92.43.137.27	A	mx.armwater.am
92.43.137.50	PTR	hometel.am
92.43.137.70	PTR	host-70.137.43.92.ucom.am
92.43.137.197	PTR	host-197.137.43.92.ucom.am
92.43.137.233	PTR	host-233.137.43.92.ucom.am
92.43.137.237	PTR	host-237.137.43.92.ucom.am
92.43.138.1	PTR	ns2.ucom.am
92.43.138.8	A+PTR	host-8.138.43.92.ucom.am
92.43.138.8	A	linux.am
92.43.138.8	A	cybersec.am
92.43.138.12	A+PTR	host-12.138.43.92.ucom.am
92.43.138.12	A	ns2.ucom.am
92.43.138.20	A	sp1.ucom.am
92.43.138.185	A+PTR	mx.iunetworks.am
92.43.138.194	PTR	host-194.138.43.92.ucom.am
92.43.138.194	A	mail.fgrabsky.com
92.43.138.194	A	fgrabsky.com
92.43.138.205	PTR	host-205.138.43.92.ucom.am
92.43.138.205	A	ns2.3mac.ru
92.43.138.207	PTR	host-207.138.43.92.ucom.am
92.43.138.229	A+PTR	host-229.138.43.92.ucom.am
92.43.139.0	A+PTR	host-0.139.43.92.ucom.am
92.43.139.255	PTR	host-255.139.43.92.ucom.am