Robtex

Up: 78.100.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 78.100.80.0/23
Down right: 78.100.82.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.100.80.18	A	ibportal.qdb.qa
78.100.80.21	A+PTR	smtp2.qdb.qa
78.100.80.21	A	smtp2.eq.qa
78.100.80.60	A	mail.nkom.com.qa
78.100.80.61	A+PTR	smtp1.nkom.com.qa
78.100.80.62	A+PTR	smtp2.nkom.com.qa
78.100.80.85	A	qcrimadad.org
78.100.80.90	PTR	qatar2022.qa
78.100.80.91	PTR	mail.qatar2022.qa
78.100.80.92	PTR	smtp1.qatar2022.qa
78.100.80.157	A	master2k17.com
78.100.82.6	A+PTR	smtp1.dohabank.com.qa
78.100.82.7	A+PTR	smtp2.dohabank.com.qa
78.100.82.8	A	mymail.dohabank.com.qa
78.100.82.42	A	hassad.com
78.100.82.43	A	mail.hassadqatar.com
78.100.82.43	A	mail.hassad.com
78.100.82.43	A	hassadqatar.com
78.100.82.46	A	smtp101.hassad.com
78.100.82.47	A	smtp102.hassad.com
78.100.82.98	PTR	laverna.qa
78.100.82.98	PTR	steelmaster-co.qa
78.100.82.98	PTR	sazelikisikli.com.qa
78.100.82.100	A	khayyatqatar.com
78.100.82.101	A	ucc-projects.com
78.100.82.101	A	mail.ucc-projects.com
78.100.82.107	A	mail.mwani.com.qa
78.100.82.108	A	mwani.com.qa
78.100.82.138	PTR	mx01.aljaberengineering.com
78.100.82.226	PTR	gcc-cic.org
78.100.82.228	PTR	gcc-cic.org
78.100.82.229	PTR	gcc-cic.org
78.100.82.229	A	smtp.gcc-cic.org
78.100.83.93	A	app.karwatechnologies.com
78.100.83.124	A+PTR	dictakaful.qa
78.100.83.124	A+PTR	dohatakaful.qa
78.100.83.124	A+PTR	takaful.qa
78.100.83.235	A	qd-sbg-edge.qd-sbg.com.qa