Robtex

Up: 161.64.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 161.64.0.0/17
Down right: 161.64.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
161.64.3.1	PTR	umacsn1.umac.mo
161.64.3.2	PTR	umacsn2.umac.mo
161.64.3.3	A	umacacs1.umac.mo
161.64.3.5	A+PTR	umacsn3.umac.mo
161.64.5.31	PTR	umemppa2.umac.mo
161.64.5.33	A+PTR	umaclx3.umac.mo
161.64.5.34	A	www.um.edu.mo
161.64.5.34	A	um.edu.mo
161.64.5.34	A	umac.mo
161.64.5.128	A	www.um.edu.mo
161.64.5.128	A	um.edu.mo
161.64.7.1	A+PTR	umacss1.umac.mo
161.64.7.2	A+PTR	umacss2.umac.mo
161.64.7.3	A+PTR	umacss3.umac.mo
161.64.7.3	A	ns3.umac.mo
161.64.7.4	PTR	ww1.monic.net.mo
161.64.8.42	PTR	dnshost1.idq.org.mo
161.64.8.43	PTR	i-gccs.fst.umac.mo
161.64.31.5	PTR	umaclib3.umac.mo
161.64.36.9	A	notessmtp.umac.mo
161.64.36.11	A	umacmb1.umac.mo
161.64.36.11	A	notesmail1.umac.mo
161.64.36.11	A	um1.umac.mo
161.64.36.15	PTR	um3.umac.mo
161.64.38.17	A+PTR	umacsn1.umac.mo
161.64.38.18	A	umacsn2.umac.mo
161.64.38.25	A+PTR	umemgw1.umac.mo
161.64.38.26	A+PTR	umemgw2.umac.mo
161.64.45.1	PTR	inesc-macau.org.mo
161.64.55.13	PTR	um2.umac.mo
161.64.55.21	A	umaccn1.umac.mo
161.64.55.22	A	umaccn2.umac.mo
161.64.55.24	A	umaccn4.umac.mo
161.64.55.25	A	umaccn5.umac.mo
161.64.56.115	A	mail.ns1.*.dns.mail.6.umikl.com
161.64.56.128	A	umracv1.umac.mo
161.64.56.220	A	umacsk5.umac.mo
161.64.60.50	A	www.fst.umac.mo
161.64.74.1	A	www.msbme.org
161.64.74.1	A	eempl1.eee.umac.mo
161.64.74.1	A	eee.umac.mo
161.64.156.5	A	umaclib3.umac.mo
161.64.160.55	A	library.umac.mo
161.64.160.65	A	libezproxy.umac.mo
161.64.198.3	A	www.fst.umac.mo
161.64.198.3	A	fst1.fst.umac.mo
161.64.198.3	A	mail.fst.umac.mo