Robtex

Up: 212.72.220.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 212.72.222.0/24
Down right: 212.72.223.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.72.222.18	A	petrich.netissat.net
212.72.222.129	A+PTR	mail.pirincom.com
212.72.222.129	A	pirincom.pirincom.com
212.72.222.129	A	goce.pirincom.com
212.72.222.143	PTR	simaks.info
212.72.223.2	PTR	ns.pirin.com