Robtex

Up: 165.112.152.0/21
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Down left: 165.112.156.0/23
Down right: 165.112.158.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
165.112.158.201	PTR	venice.cit.nih.gov
165.112.158.201	A	geneticassociationdb.nih.gov
165.112.158.201	A	rsbweb.nih.gov
165.112.158.216	A+PTR	librum.cit.nih.gov
165.112.158.220	A+PTR	maplewood.cit.nih.gov
165.112.158.237	A+PTR	wye.cit.nih.gov
165.112.158.237	A	lymphochip.nih.gov
165.112.158.237	A	llmpp.nih.gov
165.112.158.238	PTR	elk.cit.nih.gov