Robtex

Up: 166.123.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 166.123.32.0/20
Down right: 166.123.48.0/20

IP	Type	Hostname
166.123.32.17	A	ns2.vpn.oig.treas.gov
166.123.34.12	A	pubpooleast12.treas.gov
166.123.34.25	A	idcashvasm05.tnet.treas.gov
166.123.34.25	A	idcashvasm01.tnet.treas.gov
166.123.34.25	A	idcashvasm04.tnet.treas.gov
166.123.34.53	A+PTR	ns11.treas.gov
166.123.34.54	A+PTR	forwarder11.treas.gov
166.123.39.211	A	www.dropmefiles2.pw
166.123.39.211	A	dropmefiles2.pw
166.123.39.211	A	mail.dropmefiles2.pw
166.123.50.1	A	pubpoolwest1.treas.gov
166.123.50.6	A	pubpoolwest6.treas.gov
166.123.50.7	A	pubpoolwest7.treas.gov
166.123.50.8	A	pubpoolwest8.treas.gov
166.123.50.53	A+PTR	ns12.treas.gov
166.123.50.54	A+PTR	forwarder12.treas.gov