Robtex

Up: 98.122.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 98.123.0.0/17
Down right: 98.123.128.0/17

IP	Type	Hostname
98.123.16.2	PTR	mta-98-123-16-2.cinci.rr.com
98.123.23.81	A	demarc-validus.nexicom.net
98.123.59.165	PTR	mta-98-123-59-165.cinci.rr.com
98.123.108.89	PTR	voip-98-123-108-89.columbus.rr.com
98.123.120.210	PTR	mta-98-123-120-210.columbus.rr.com
98.123.230.0	PTR	mta-98-123-230-0.neo.rr.com
98.123.252.66	A	soluna-create.net
98.123.255.255	PTR	mta-98-123-255-255.neo.rr.com