Robtex

Up: 203.76.96.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.76.96.0/23
Down right: 203.76.98.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.76.96.4	A+PTR	dns1.neksus.com
203.76.96.4	A	barracuda.forethoughtpr.com
203.76.96.4	A	dns1.link3.net
203.76.96.5	PTR	dns4.neksus.com
203.76.96.7	PTR	mail1.link3.net
203.76.96.10	A+PTR	barracuda.link3.net
203.76.96.10	A	mailscan.link3.net
203.76.96.10	A	mailscan.neksus.com
203.76.96.11	A+PTR	bcuda.link3.net
203.76.96.12	A+PTR	bcuda2.link3.net
203.76.96.26	A	nx.link3.net
203.76.96.38	A+PTR	mailx2.link3.net
203.76.96.38	A	cybergate.com.bd
203.76.96.38	A	www.cybergate.com.bd
203.76.96.42	PTR	email.link3.net
203.76.96.45	A	mail.rnd-link3.net
203.76.96.46	A+PTR	www.cinehub24.com
203.76.96.46	A	cinehub24.com
203.76.96.85	A+PTR	sip.link3.net
203.76.96.86	A+PTR	icx.link3.net
203.76.96.90	A+PTR	sip2.link3.net
203.76.96.95	PTR	tacacs.link3.net
203.76.96.100	PTR	mail.link3.net
203.76.96.100	A	www.rnd-link3.net
203.76.96.101	A	backup.link3.net
203.76.96.111	A	cybergate.com.bd
203.76.96.112	A+PTR	www.link3.net
203.76.96.112	A	link3.net
203.76.96.112	A	www.neksus.com
203.76.97.6	A	ftp.link3.net
203.76.97.37	PTR	97.37.nuclear.link3.net
203.76.97.54	A	amaze-tv.com
203.76.97.54	A	www.amaze-tv.com
203.76.97.121	A	occ-0-2880-64.1.nflxso.net
203.76.97.121	A	occ-0-2880-58.1.nflxso.net
203.76.97.121	A	ipv4-c001-dac001-link3-isp.1.oca.nflxvideo.net
203.76.97.123	A	occ-0-2880-64.1.nflxso.net
203.76.97.123	A	occ-0-2880-58.1.nflxso.net
203.76.97.145	A	external.fdac6-1.fna.fbcdn.net
203.76.97.145	A	scontent.fdac6-1.fna.fbcdn.net
203.76.97.146	A	video.fdac6-1.fna.fbcdn.net
203.76.97.160	PTR	97.160.nuclear.link3.net
203.76.97.160	A	z-p3-scontent.fdac6-1.fna.fbcdn.net
203.76.97.161	A	instagram.fdac6-1.fna.fbcdn.net
203.76.97.162	PTR	97.162.nuclear.link3.net
203.76.97.162	A	media.fdac6-1.fna.whatsapp.net
203.76.97.168	A	z-1-scontent.fdac6-1.fna.fbcdn.net
203.76.97.220	PTR	mail.cm-bd.com
203.76.98.1	PTR	router.link3.net
203.76.98.165	A	saconnectplus.com
203.76.98.166	A	saconnectplus.com
203.76.98.166	A	sblsalesforce.com
203.76.98.194	A+PTR	mail.jcil.com.bd
203.76.98.194	A	jcil.com.bd
203.76.98.211	PTR	hobr.pubalibankbd.com
203.76.98.214	A	www.pubalibankbd.com
203.76.98.243	A	mail.riltd.org
203.76.99.9	A	nsho.link3.net
203.76.99.27	A	galaxy.link3.net
203.76.99.29	A+PTR	noc.link3.net
203.76.99.30	A	st.link3.net
203.76.99.40	A	vod.link3.net
203.76.99.122	A+PTR	bvgate.link3.net
203.76.99.178	A+PTR	rvgate.link3.net
203.76.99.179	A+PTR	cache.link3.net
203.76.99.210	PTR	mail.ibais.edu.bd