Robtex

Up: 80.248.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 80.248.4.0/23
Down right: 80.248.6.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.248.4.13	PTR	mail.nalbank.com.ng
80.248.4.90	PTR	lagsrv01.osl-securicor.com
80.248.4.90	A	mail.alvac-securicor.com
80.248.4.190	PTR	mail.broll.com.ng
80.248.4.204	A+PTR	mail.oandoholdings.com
80.248.4.204	A	mail.avantepams.com
80.248.4.204	A	mail.thepetroleumprofessional.com
80.248.4.210	A+PTR	remote.scmcapitalng.com
80.248.4.210	A	remote.sterlingcapitalng.com
80.248.4.218	PTR	agustoserver.agusto.com
80.248.4.219	PTR	server01.allianceconsulting-ng.com
80.248.4.219	PTR	server01.allianceconsulting.com.ng
80.248.4.219	PTR	server01.frontiercapital.com.ng
80.248.5.11	PTR	buggle.wemabank.com
80.248.5.35	A+PTR	mail.bdo-ng.com
80.248.5.35	PTR	owa.bdo-ng.com
80.248.5.36	PTR	mail.bdo-ng.com
80.248.5.36	A+PTR	owa.bdo-ng.com
80.248.5.82	A	mail.parallexbank.com
80.248.5.82	A	parallexbank.com
80.248.5.82	A	exchserv.parallexbank.com
80.248.5.102	A	mail.zapperforum.de
80.248.5.108	A	gisapps.lagosstate.gov.ng
80.248.5.109	A+PTR	mail.lagosstate.gov.ng
80.248.5.142	A	redstarplc.net
80.248.5.142	A	redstarplc.com
80.248.5.142	A	mail2.redstarplc.com
80.248.5.163	A	exchangemain.mrbiggsonline.com
80.248.6.5	A	flying-dove3.21ctl.com
80.248.7.1	A+PTR	flying-dove1.21ctl.com
80.248.7.1	A	firstguaranteepension.com
80.248.7.2	A+PTR	flying-dove2.21ctl.com
80.248.7.2	A	www.21ctl.com
80.248.7.4	PTR	pop.21ctl.com
80.248.7.4	A	mail.21ctl.com
80.248.7.5	A	smtp2.21ctl.com
80.248.7.6	PTR	flying-dove1.21ctl.com
80.248.7.18	A+PTR	fe1.cgp.21ctl.com
80.248.7.19	PTR	fe2.cgp.21ctl.com
80.248.7.24	PTR	pop3.21ctl.com
80.248.7.24	A+PTR	mail.lamata-ng.com
80.248.7.24	A	smtp.21ctl.com
80.248.7.25	PTR	pop3.21ctl.com
80.248.7.42	PTR	pop3.21ctl.com
80.248.7.42	A	gate.21ctl.com
80.248.7.50	PTR	mailer.21ctl.com
80.248.7.50	A	webmail.21ctl.com
80.248.7.136	A	callme.ng
80.248.7.136	A	www.callme.ng
80.248.7.157	A	webmail.21ctl.com
80.248.7.158	PTR	webhost.21ctl.com
80.248.7.158	A	capplc.com
80.248.7.158	A	www.capplc.com