Robtex

Up: 212.50.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 212.50.64.0/23
Down right: 212.50.66.0/23

IP	Type	Hostname
212.50.64.9	PTR	npax.telnet.bg
212.50.64.101	A+PTR	101.uma.het.ot.telnet.bg
212.50.64.153	A+PTR	153.uma.het.ot.telnet.bg
212.50.64.187	A	students.mafia.team.tyrnovo.com
212.50.65.63	A+PTR	317.uma.het.ot.telnet.bg
212.50.65.71	PTR	325.uma.het.ot.telnet.bg
212.50.65.100	PTR	354.uma.het.ot.telnet.bg
212.50.65.116	PTR	370.uma.het.ot.telnet.bg
212.50.65.178	A+PTR	432.uma.het.ot.telnet.bg
212.50.66.1	A	509.uma.het.ot.telnet.bg
212.50.66.98	PTR	606.uma.het.ot.telnet.bg
212.50.67.113	PTR	875.uma.het.ot.telnet.bg