Robtex

Up: 165.112.14.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 165.112.15.0/25
Down right: 165.112.15.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
165.112.15.46	A+PTR	iam.csr.nih.gov
165.112.15.73	A	public.csr.nih.gov
165.112.15.107	A+PTR	citcsrprod.nih.gov
165.112.15.107	A+PTR	csr.nih.gov
165.112.15.107	A+PTR	www.csr.nih.gov
165.112.15.186	A	access2.nih.gov
165.112.15.190	A+PTR	extnihlyncfespool.nih.gov