Robtex

Up: 81.12.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.12.216.0/22
Down right: 81.12.220.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.12.220.82	A+PTR	mx.selec.org
81.12.220.82	A	www.selec.org
81.12.220.82	A	selec.org
81.12.220.90	PTR	mail1.aisb.ro
81.12.220.90	PTR	students.aisb.ro
81.12.220.91	PTR	ironport.aisb.ro
81.12.220.129	PTR	www.open.ro
81.12.220.134	PTR	posta.open.ro
81.12.220.137	PTR	ns.osd.ro
81.12.220.162	PTR	deroni.ro
81.12.220.162	A	ns1.deroni.ro
81.12.221.44	A+PTR	g4f44.g4f.ro
81.12.221.74	PTR	em.asiban.ro
81.12.221.81	A	www.pumac.ro
81.12.221.83	PTR	mail.montero.ro
81.12.222.10	PTR	mail.electroarges.ro
81.12.222.10	PTR	mx.electroarges.ro
81.12.222.10	PTR	www.electroarges.ro
81.12.222.74	A+PTR	mx2.scania.ro
81.12.222.82	PTR	mail.elsid.ro
81.12.222.82	A	mail.elsid-service.ro
81.12.222.82	A	mail.nobilis.ro
81.12.222.83	A	www.elsid-service.ro
81.12.222.83	A	elsid-service.ro
81.12.222.98	A+PTR	mail1.caroli.ro
81.12.222.98	A	ns1.carolifoods.ro
81.12.222.98	A	ns1.campofrio.ro
81.12.222.122	PTR	mail.ahr.ro
81.12.222.203	PTR	mail.caroli.ro
81.12.222.204	A	mail.carolifoods.ro
81.12.222.210	A+PTR	mail.salrom.ro
81.12.222.210	A	ns2.salrom.ro
81.12.222.210	A	www.salinaocnadej.ro
81.12.222.219	A+PTR	mail.alcedoltd.ro
81.12.222.219	A	ns.alcedoltd.ro
81.12.222.222	A	mx01.alcedoltd.ro
81.12.222.222	A	mx02.alcedoltd.ro
81.12.223.1	A	host1.atlasgip.ro
81.12.223.2	A	relay1.atlasgip.ro
81.12.223.2	A	host2.atlasgip.ro
81.12.223.2	A	main.atlasgip.ro
81.12.223.10	A	mail.titanmar.ro
81.12.223.35	PTR	gw01.mechel-tgv.ro
81.12.223.85	PTR	mail.uzinexport.ro
81.12.223.89	PTR	uzinexport.ro
81.12.223.90	A+PTR	ns2.uzinexport.ro
81.12.223.90	A	uzinexport.ro
81.12.223.91	PTR	ns2.uzinexport.ro
81.12.223.92	PTR	ns2.uzinexport.ro
81.12.223.140	PTR	mail.ibisaccor.ro
81.12.223.140	PTR	mail.ibishotels.ro
81.12.223.147	PTR	ftp.continentalhotels.ro
81.12.223.148	PTR	fsecure.continentalhotels.ro
81.12.223.148	PTR	fsecure.hellohotels.ro