Robtex

Up: 212.152.38.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.152.38.0/25
Down right: 212.152.38.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.152.38.2	PTR	pdlsk63-0-1.inetcomm.net
212.152.38.50	A	domoadm-gw.ll4.inetcomm.ru
212.152.38.110	PTR	svs-gw.ll4.inetcomm.ru
212.152.38.110	A	ns3.visotka.ru
212.152.38.110	A	ns3.vysotka.ru
212.152.38.142	A+PTR	smtp-out.inetcomm.ru
212.152.38.146	PTR	ktorg-gw.ll4.inetcomm.ru
212.152.38.149	A+PTR	host38-149.ip.pdlsk.cifra1.ru