Robtex

Up: 161.80.0.0/16
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Down left: 161.80.0.0/18
Down right: 161.80.64.0/18

IP	Type	Hostname
161.80.0.5	PTR	unassigned.epa.gov
161.80.0.7	PTR	unassigned.epa.gov
161.80.0.69	PTR	unassigned.epa.gov
161.80.0.131	PTR	unassigned.epa.gov
161.80.0.133	PTR	unassigned.epa.gov
161.80.0.139	PTR	unassigned.epa.gov
161.80.0.162	PTR	unassigned.epa.gov
161.80.1.195	PTR	unassigned.epa.gov
161.80.2.21	PTR	unassigned.epa.gov
161.80.7.2	PTR	unassigned.epa.gov
161.80.10.12	A+PTR	rikers.epa.gov
161.80.10.12	A	rikers-gi3-1.nccr.epa.gov
161.80.10.13	A+PTR	folsom.epa.gov
161.80.10.13	A	folsom.nccr.epa.gov
161.80.10.21	PTR	unassigned.epa.gov
161.80.12.2	PTR	unassigned.epa.gov
161.80.12.69	PTR	unassigned.epa.gov
161.80.19.4	PTR	unassigned.epa.gov
161.80.19.68	PTR	unassigned.epa.gov
161.80.23.68	PTR	unassigned.epa.gov
161.80.24.2	PTR	unassigned.epa.gov
161.80.25.2	PTR	unassigned.epa.gov
161.80.27.68	PTR	unassigned.epa.gov
161.80.29.33	A+PTR	icc-reverse-proxy-pat.nccr.epa.gov
161.80.37.2	PTR	unassigned.epa.gov
161.80.37.169	PTR	unassigned.epa.gov
161.80.38.2	PTR	unassigned.epa.gov
161.80.44.247	PTR	unassigned.epa.gov
161.80.51.68	PTR	unassigned.epa.gov
161.80.51.69	PTR	unassigned.epa.gov
161.80.53.213	PTR	unassigned.epa.gov
161.80.67.68	PTR	unassigned.epa.gov
161.80.67.69	PTR	unassigned.epa.gov
161.80.70.14	PTR	unassigned.epa.gov
161.80.70.14	A	gtm-dmz-icc-1.wahmgmt.epa.gov
161.80.76.28	PTR	unassigned.epa.gov
161.80.83.64	PTR	unassigned.epa.gov
161.80.83.68	PTR	unassigned.epa.gov
161.80.83.69	PTR	unassigned.epa.gov
161.80.88.71	PTR	unassigned.epa.gov
161.80.88.238	PTR	unassigned.epa.gov
161.80.89.136	PTR	unassigned.epa.gov
161.80.89.154	PTR	unassigned.epa.gov
161.80.91.68	PTR	unassigned.epa.gov
161.80.98.183	PTR	unassigned.epa.gov
161.80.101.111	PTR	unassigned.epa.gov
161.80.107.218	PTR	unassigned.epa.gov
161.80.116.185	PTR	unassigned.epa.gov
161.80.116.247	PTR	unassigned.epa.gov