Robtex

Up: 161.223.192.0/18
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Down left: 161.223.224.0/20
Down right: 161.223.240.0/20

IP	Type	Hostname
161.223.224.85	A	161-223-224-85.ihs.gov
161.223.224.227	PTR	webehrs.ihs.gov
161.223.224.227	PTR	ftp.hqe.ihs.gov
161.223.224.228	A+PTR	dataxfr.ihs.gov
161.223.224.228	A+PTR	hqecf1.hqe.ihs.gov
161.223.224.228	A+PTR	webehrs.hqe.ihs.gov
161.223.224.229	A+PTR	rahsitest.ihs.gov
161.223.224.231	PTR	ihsrckcmse1.ihs.gov