Robtex

Up: 81.180.136.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 81.180.138.0/24
Down right: 81.180.139.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.180.138.30	A	mail.itmagic.ro
81.180.138.30	A	mail.ldg.ro
81.180.138.130	A	mail.voice-ip.ro
81.180.138.136	A	mail.micromedia.com.ro
81.180.138.157	A	mail.maycon.ro
81.180.139.0	A+PTR	storm-net.wavenet.ro
81.180.139.2	PTR	storm1.wavenet.ro
81.180.139.4	PTR	storm3.wavenet.ro
81.180.139.9	PTR	storm8.wavenet.ro
81.180.139.10	PTR	unused.wavenet.ro
81.180.139.12	PTR	storm11.wavenet.ro
81.180.139.15	PTR	storme01.wavenet.ro
81.180.139.15	A	e01.roiptv.net
81.180.139.20	PTR	unused.wavenet.ro
81.180.139.22	PTR	unused.wavenet.ro
81.180.139.31	PTR	unused.wavenet.ro
81.180.139.34	A+PTR	mail.generalsecurity.ro
81.180.139.34	A	smtp.generalsecurity.ro
81.180.139.35	A+PTR	mail.videodirect.ro
81.180.139.39	PTR	unused.wavenet.ro
81.180.139.46	PTR	unused.wavenet.ro
81.180.139.48	PTR	unused.wavenet.ro
81.180.139.49	PTR	unused.wavenet.ro
81.180.139.51	PTR	unused.wavenet.ro
81.180.139.52	PTR	unused.wavenet.ro
81.180.139.63	PTR	unused.wavenet.ro
81.180.139.69	PTR	unused.wavenet.ro
81.180.139.71	PTR	unused.wavenet.ro
81.180.139.78	PTR	unused.wavenet.ro
81.180.139.82	PTR	unused.wavenet.ro
81.180.139.91	PTR	unused.wavenet.ro
81.180.139.97	PTR	unused.wavenet.ro
81.180.139.99	PTR	unused.wavenet.ro
81.180.139.120	PTR	unused.wavenet.ro
81.180.139.137	PTR	s8-z.wavenet.ro
81.180.139.195	PTR	unused.wavenet.ro
81.180.139.195	A	srrom.ro
81.180.139.195	A	jradonco.ro
81.180.139.197	PTR	unused.wavenet.ro
81.180.139.203	PTR	unused.wavenet.ro
81.180.139.211	PTR	unused.wavenet.ro
81.180.139.220	PTR	unused.wavenet.ro
81.180.139.224	PTR	unused.wavenet.ro
81.180.139.239	PTR	unused.wavenet.ro
81.180.139.254	PTR	unused.wavenet.ro