Robtex

Up: 50.120.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 50.120.96.0/20
Down right: 50.120.112.0/20

IP	Type	Hostname
50.120.96.208	PTR	50-120-96-208.drr01.athn.oh.frontiernet.net
50.120.97.175	A+PTR	50-120-97-175.drr01.athn.oh.frontiernet.net
50.120.98.186	A+PTR	50-120-98-186.drr01.athn.oh.frontiernet.net
50.120.99.181	A+PTR	50-120-99-181.drr01.athn.oh.frontiernet.net
50.120.99.203	A+PTR	50-120-99-203.drr01.athn.oh.frontiernet.net
50.120.99.234	A+PTR	50-120-99-234.drr01.athn.oh.frontiernet.net
50.120.100.137	A+PTR	50-120-100-137.drr01.athn.oh.frontiernet.net
50.120.100.180	A+PTR	50-120-100-180.drr01.athn.oh.frontiernet.net
50.120.100.222	A+PTR	50-120-100-222.drr01.athn.oh.frontiernet.net
50.120.102.37	A+PTR	50-120-102-37.drr01.athn.oh.frontiernet.net
50.120.103.39	A+PTR	50-120-103-39.drr01.athn.oh.frontiernet.net
50.120.103.117	A+PTR	50-120-103-117.drr01.athn.oh.frontiernet.net
50.120.103.145	A+PTR	50-120-103-145.drr01.athn.oh.frontiernet.net
50.120.104.151	A+PTR	50-120-104-151.athn.oh.frontiernet.net
50.120.105.56	A+PTR	50-120-105-56.athn.oh.frontiernet.net
50.120.105.177	A+PTR	50-120-105-177.athn.oh.frontiernet.net
50.120.105.188	A+PTR	50-120-105-188.athn.oh.frontiernet.net
50.120.105.190	A	50-120-105-190.athn.oh.frontiernet.net
50.120.105.194	A+PTR	50-120-105-194.athn.oh.frontiernet.net
50.120.105.220	A+PTR	50-120-105-220.athn.oh.frontiernet.net
50.120.106.144	A+PTR	50-120-106-144.athn.oh.frontiernet.net
50.120.106.246	A+PTR	50-120-106-246.athn.oh.frontiernet.net
50.120.107.140	A+PTR	50-120-107-140.athn.oh.frontiernet.net
50.120.108.92	A+PTR	50-120-108-92.athn.oh.frontiernet.net
50.120.108.184	A+PTR	50-120-108-184.athn.oh.frontiernet.net
50.120.109.21	A+PTR	50-120-109-21.athn.oh.frontiernet.net
50.120.109.82	A+PTR	50-120-109-82.athn.oh.frontiernet.net