Robtex

Up: 212.0.142.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.0.142.0/25
Down right: 212.0.142.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.0.142.3	PTR	shq_srv_ebank.sudatel.net
212.0.142.5	PTR	sslvpn.sudatel.net
212.0.142.5	A+PTR	sslvpn.sudatel.sd
212.0.142.9	A+PTR	sudanimerchantportal.sudatel.sd
212.0.142.16	A+PTR	dns1.sudatel.sd
212.0.142.21	A+PTR	noc.sudatel.sd
212.0.142.29	A+PTR	mybackup.sudani.sd
212.0.142.30	A+PTR	mail.sudatel.sd
212.0.142.31	A+PTR	smtp.sudani.sd
212.0.142.31	A+PTR	smtp.sudatel.sd
212.0.142.31	PTR	smtp.sudabill.sd
212.0.142.32	A+PTR	smtp1.sudatel.sd
212.0.142.32	A+PTR	smtp1.sudabill.sd
212.0.142.32	A	smtp1.sudatel.net
212.0.142.33	PTR	sudatel.sd
212.0.142.33	A+PTR	thabit.sd
212.0.142.33	A+PTR	trasul.sd
212.0.142.34	A+PTR	eservices.sudatel.sd
212.0.142.34	A	www.sudani.sd
212.0.142.34	A	www.eservices.sudatel.sd
212.0.142.37	A+PTR	sudacad.sd
212.0.142.37	A+PTR	www.sudacad.sd
212.0.142.42	A+PTR	expert.sudacad.sd
212.0.142.42	A+PTR	khabeer.sudacad.sd
212.0.142.43	A+PTR	m.myportal.sudani.sd
212.0.142.43	A+PTR	m.selfcare.sudani.sd
212.0.142.44	A+PTR	myportal.sudani.sd
212.0.142.44	A+PTR	selfcare.sudani.sd
212.0.142.44	A+PTR	www.myportal.sudani.sd
212.0.142.51	A+PTR	av.sudatel.sd
212.0.142.52	A+PTR	av.sudatel.sd
212.0.142.53	A+PTR	lyncdiscover.sudatel.sd
212.0.142.53	A+PTR	meet.sudatel.sd
212.0.142.53	A+PTR	fepool01.sudatel.sd
212.0.142.54	A+PTR	sip.sudatel.sd
212.0.142.55	A+PTR	sip.sudatel.sd
212.0.142.56	A+PTR	webconf.sudatel.sd
212.0.142.57	A+PTR	webconf.sudatel.sd
212.0.142.145	A	bein.sudani.sd
212.0.142.221	A+PTR	sudani.sd
212.0.142.221	A+PTR	www.sudani.sd