Robtex

Up: 147.80.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 147.81.0.0/17
Down right: 147.81.128.0/17

IP	Type	Hostname
147.81.3.82	A	ngtasc.com
147.81.3.86	A	teamuid.com
147.81.21.53	A	stafford.tasc.com
147.81.120.8	A	vpn.tasc.com
147.81.120.12	A	apps.tasc.com
147.81.120.12	A	remote.tasc.com
147.81.121.20	PTR	mail.tasc.com
147.81.121.20	PTR	mail1.tasc.com
147.81.121.21	PTR	mail.tasc.com
147.81.121.21	PTR	mail2.tasc.com
147.81.121.143	A	benefits.tasc.com
147.81.129.20	PTR	mail.tasc.com
147.81.129.20	PTR	mail3.tasc.com
147.81.210.81	A	sos.engilitycorp.com
147.81.253.10	A	timeq.dev.engility.com