Robtex

Up: 138.0.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 138.0.152.0/23
Down right: 138.0.154.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.0.152.81	A	scontent.fpra1-1.fna.fbcdn.net
138.0.152.82	A	video.fpra1-1.fna.fbcdn.net
138.0.152.94	A	sonar.fpra1-1.fna.fbcdn.net
138.0.152.96	A	instagram.fpra1-1.fna.fbcdn.net
138.0.152.97	A	media.fpra1-1.fna.whatsapp.net
138.0.152.98	A	z-p3-scontent.fpra1-1.fna.fbcdn.net
138.0.152.141	A	permisoprovincial.chaco.gob.ar
138.0.152.211	PTR	web01-prod-par-ar.siglocero.net
138.0.152.211	A	portalsaucedeluna.com.ar
138.0.152.211	A	conectarcrespo.com.ar
138.0.152.212	A	iapv.gov.ar
138.0.152.212	A	lacultural.coop
138.0.152.213	PTR	web03-prod-par-ar.siglocero.net
138.0.152.213	A	cristianferrera.com
138.0.152.213	A	politic-server.com.ar
138.0.152.214	PTR	mta01-prod-par-ar.siglocero.net
138.0.152.215	PTR	mta02-prod-par-ar.siglocero.net
138.0.152.216	A+PTR	mta03-prod-par-ar.siglocero.net
138.0.152.216	A	mx.locosporpatronato.com.ar
138.0.152.216	A	mx.conectarcrespo.com.ar
138.0.152.217	PTR	srv01-prod-par-ar.siglocero.net
138.0.152.219	PTR	srv03-prod-par-ar.siglocero.net
138.0.152.220	PTR	srv04-prod-par-ar.siglocero.net
138.0.152.220	A	escribanos-er.org.ar
138.0.152.222	A+PTR	srv06-prod-par-ar.siglocero.net
138.0.152.222	A	interapp.com.ar
138.0.152.222	A	mx.interapp.com.ar
138.0.153.161	A	instagram.fpss2-1.fna.fbcdn.net
138.0.153.204	A	r1.sn-bpb5gxq-gxne.c.youtube.com
138.0.153.204	A	r1.sn-bpb5gxq-gxne.c.2mdn.net
138.0.153.204	A	r1.sn-bpb5gxq-gxne.gvt1.com
138.0.155.8	A	www.pagina12.com
138.0.155.8	A	xn--pgina12-hwa.com.ar
138.0.155.8	A	mailer.pagina12.com.ar
138.0.155.11	A	dns1.pagina12.com.ar
138.0.155.12	A	dns2.pagina12.com.ar
138.0.155.26	A	occ-1-1893-28.1.nflxso.net
138.0.155.26	A	occ-2-1893-27.1.nflxso.net
138.0.155.26	A	occ-2-1893-28.1.nflxso.net
138.0.155.81	A	scontent.fcnq1-1.fna.fbcdn.net
138.0.155.82	A	video.fcnq1-1.fna.fbcdn.net
138.0.155.94	A	sonar.fcnq1-1.fna.fbcdn.net
138.0.155.96	A	instagram.fcnq1-1.fna.fbcdn.net
138.0.155.98	A	z-p3-scontent.fcnq1-1.fna.fbcdn.net
138.0.155.222	A	seguridadmuni.ddns.net