Robtex

Up: 191.243.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 191.243.152.0/22
Down right: 191.243.156.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
191.243.156.90	A	156.243.191.in-addr.arpa
191.243.156.90	A	rec1.linkfull.com.br
191.243.156.94	PTR	94.156.243.191.linkfull.com.br
191.243.156.94	A	119.61.187.in-addr.arpa
191.243.156.94	A	ns1.117.61.187.in-addr.arpa
191.243.156.98	A	ns1.linkfull.com.br
191.243.156.118	A	linkfull.com.br
191.243.156.118	A	www.linkfull.com.br
191.243.156.186	PTR	static-186-156-243-191.linkfull.com.br
191.243.156.202	A	webmail.linkfull.com.br
191.243.156.210	A	srv2.linkfull.com.br
191.243.156.232	PTR	a1003.dspw41.akamai.net
191.243.156.232	A	a543.gc.akamai.net
191.243.156.232	A	a1873.g.akamai.net
191.243.156.233	A	a543.gc.akamai.net
191.243.156.233	A	a1873.g.akamai.net
191.243.156.233	A	a433.gc.akamai.net
191.243.157.76	A	r1.sn-oxun2xxq-nq0e.gvt1.com
191.243.157.76	A	r1---sn-oxun2xxq-nq0e.gvt1.com
191.243.157.76	A	r1---sn-oxun2xxq-nq0e.googlevideo.com
191.243.157.209	A	scontent.fsdu3-1.fna.fbcdn.net
191.243.157.209	A	external.fsdu3-1.fna.fbcdn.net
191.243.157.210	A	video.fsdu3-1.fna.fbcdn.net
191.243.157.222	A	sonar.fsdu3-1.fna.fbcdn.net
191.243.157.224	A	instagram.fsdu3-1.fna.fbcdn.net
191.243.157.226	A	z-p3-scontent.fsdu3-1.fna.fbcdn.net
191.243.157.232	A	z-1-video.fsdu3-1.fna.fbcdn.net
191.243.157.232	A	z-1-external.fsdu3-1.fna.fbcdn.net
191.243.157.232	A	z-1-scontent.fsdu3-1.fna.fbcdn.net
191.243.157.250	A	ipv4-c002-gig001-speednet-isp.1.oca.nflxvideo.net
191.243.159.14	A	ns3.linkfull.com.br