Robtex

Up: 143.208.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 143.208.152.0/22
Down right: 143.208.156.0/22

IP	Type	Hostname
143.208.152.20	A	ns2.navenet.net.br
143.208.152.21	A	ultraconexao.com.br
143.208.152.22	PTR	143-208-152-22.ultraconexao.com.br
143.208.152.22	A	www.ultraconexao.com.br
143.208.152.24	PTR	143-208-152-24.ultraconexao.com.br
143.208.152.24	A	navecom.com.br
143.208.152.24	A	www.navecom.com.br
143.208.152.27	PTR	143-208-152-27.ultraconexao.com.br
143.208.152.27	A	www.navecom.net.br
143.208.152.29	PTR	143-208-152-29.ultraconexao.com.br
143.208.152.29	A	ultraconexao.inf.br
143.208.152.165	PTR	143-208-152-165.ultraconexao.com.br
143.208.152.186	PTR	143-208-152-186.ultraconexao.com.br
143.208.152.242	PTR	143-208-152-242.ultraconexao.com.br
143.208.152.242	A	occ-0-2935-420.1.nflxso.net
143.208.152.242	A	ipv4-c001-sdu001-ultraconexao-isp.1.oca.nflxvideo.net
143.208.152.246	PTR	143-208-152-246.ultraconexao.com.br
143.208.152.246	A	occ-1-2935-420.1.nflxso.net
143.208.152.246	A	occ-2-2935-420.1.nflxso.net
143.208.152.250	A	occ-0-2935-420.1.nflxso.net
143.208.153.145	PTR	143-208-153-145.ultraconexao.com.br
143.208.153.145	A	scontent.fsdu20-1.fna.fbcdn.net
143.208.153.158	PTR	143-208-153-158.ultraconexao.com.br
143.208.153.158	A	sonar.fsdu20-1.fna.fbcdn.net
143.208.153.160	PTR	143-208-153-160.ultraconexao.com.br
143.208.153.160	A	z-p3-scontent.fsdu20-1.fna.fbcdn.net
143.208.153.161	PTR	143-208-153-161.ultraconexao.com.br
143.208.153.161	A	instagram.fsdu20-1.fna.fbcdn.net
143.208.155.12	PTR	143-208-155-12.ultraconexao.com.br
143.208.155.12	A	r1.sn-0aug5jvoxmvcg-bpbe.googlevideo.com
143.208.155.12	A	r1.sn-0aug5jvoxmvcg-bpbe.gvt1.com
143.208.155.13	PTR	143-208-155-13.ultraconexao.com.br
143.208.155.13	A	r2.sn-0aug5jvoxmvcg-bpbe.googlevideo.com
143.208.155.13	A	r2.sn-0aug5jvoxmvcg-bpbe.gvt1.com
143.208.155.37	PTR	143-208-155-37.ultraconexao.com.br
143.208.155.37	A	speedtest.ultraconexao.com.br
143.208.155.108	PTR	143-208-155-108.ultraconexao.com.br
143.208.155.108	A	r1.sn-0aug5jvoxmvcg-bpbl.gvt1.com
143.208.155.108	A	r1.sn-0aug5jvoxmvcg-bpbl.googlevideo.com
143.208.155.109	PTR	143-208-155-109.ultraconexao.com.br
143.208.155.109	A	r2.sn-0aug5jvoxmvcg-bpbl.gvt1.com