Robtex

Up: 163.5.42.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 163.5.42.0/25
Down right: 163.5.42.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
163.5.42.6	A+PTR	news.ig-iit.com
163.5.42.6	A	news.epitech.net
163.5.42.9	A+PTR	ftp.ig-iit.com
163.5.42.10	A	mx.ig-iit.com
163.5.42.10	A	mx-1.ig-iit.com
163.5.42.11	PTR	mx-1.ionis-it.com
163.5.42.12	A+PTR	mx-2.ionis-it.com
163.5.42.12	A	mx.ig-iit.com
163.5.42.12	A	mx-2.ig-iit.com
163.5.42.15	A	smtp-out.ionis-it.com
163.5.42.16	A+PTR	smtp-out-2.ionis-it.com
163.5.42.16	A	smtp-out.ionis-it.com
163.5.42.16	A	webmail.epitech.net
163.5.42.23	A+PTR	ns-server.epitech.eu
163.5.42.23	A	ns-server.epitech.net
163.5.42.23	A	ns-server.ig-iit.com
163.5.42.30	PTR	pkg-dist.ionis-it.com
163.5.42.30	A	blinux.fr
163.5.42.31	A+PTR	www-front-1.ionis-it.com
163.5.42.31	A	labeip.epitech.eu
163.5.42.31	A	intra-bocal.epitech.eu
163.5.42.32	PTR	www-front-2.ionis-it.com
163.5.42.32	A	labeip.epitech.eu
163.5.42.32	A	intra-bocal.epitech.eu
163.5.42.42	A+PTR	banjo.ionis-it.com
163.5.42.43	A+PTR	kazooie.ionis-it.com
163.5.42.61	A+PTR	proxy-socks-1.ig-iit.com
163.5.42.62	A	proxy-socks-2.ig-iit.com
163.5.42.62	A	proxy-2.ig-iit.com
163.5.42.63	A	proxy-socks-3.ig-iit.com
163.5.42.63	A	proxy-3.ig-iit.com
163.5.42.66	A+PTR	irc.ig-iit.com
163.5.42.66	A	irc.epita.fr
163.5.42.66	A	irc.epitech.net
163.5.42.101	PTR	smtp.epitech.net
163.5.42.101	A	smtp.ig-iit.com
163.5.42.142	A+PTR	vpn.ig-iit.com
163.5.42.142	A	vpn.epitech.eu
163.5.42.184	A	asterisk.ig-iit.com
163.5.42.184	A	asterisk.epitech.net
163.5.42.200	A+PTR	mx.ionis-it.com
163.5.42.200	A	mx-1.ionis-it.com
163.5.42.201	A+PTR	mx.ionis-it.com
163.5.42.201	A	mx-2.ionis-it.com