Robtex

Up: 80.64.48.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 80.64.48.0/24
Down right: 80.64.49.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.64.48.2	A+PTR	cc-uk-sov-01-r-01-v-1.controlcircle.com
80.64.48.10	A+PTR	ns0.networkoverview.com
80.64.48.10	A	ns0.controlcircle.com
80.64.48.12	PTR	80.64.48.12.controlcircle.com
80.64.48.12	A	zuul.networkoverview.com
80.64.48.33	A+PTR	cc-uk-sov-01-r-01-v-415.controlcircle.com
80.64.48.34	A+PTR	cc-uk-thn-01-r-01-v-415.controlcircle.com
80.64.48.35	A	cc-uk-lhc-01-s-01-v-415.controlcircle.com
80.64.48.36	A	cc-uk-lhc-01-s-02-v-415.controlcircle.com
80.64.48.37	A	cc-uk-gsw-01-s-01-v-415.controlcircle.com
80.64.48.38	A	cc-uk-ix-01-s-01-v-415.controlcircle.com
80.64.48.39	A	cc-uk-ix-01-s-02-v-415.controlcircle.com
80.64.48.65	A+PTR	cc-uk-sov-01-r-01-v-463.controlcircle.com
80.64.48.66	A	cc-uk-thn-01-r-01-v-463.controlcircle.com
80.64.48.67	A	cc-uk-vsnl-01-s-01-v-463.controlcircle.com
80.64.48.68	A	cc-uk-vsnl-01-s-02-v-463.controlcircle.com
80.64.48.129	PTR	80.64.48.129.controlcircle.com
80.64.48.131	A	cc-uk-sov-01-r-01.controlcircle.com
80.64.48.133	A	cc-fr-par-01-r-01.controlcircle.com
80.64.48.136	A	cc-uk-thn-01-r-01.controlcircle.com
80.64.48.138	A+PTR	cc-uk-gs2-03-s-01.controlcircle.com
80.64.48.139	A	cc-uk-gs2-03-s-02.controlcircle.com
80.64.48.146	A+PTR	cc-uk-vsnl-01-s-02.controlcircle.com
80.64.48.147	A	cc-uk-vsnl-01-s-01.controlcircle.com
80.64.48.149	A	cc-uk-ix-01-s-01.controlcircle.com
80.64.48.150	A+PTR	cc-uk-gsw-01-s-01.controlcircle.com
80.64.48.151	A	cc-uk-lhc-01-s-01.controlcircle.com
80.64.48.152	A	cc-uk-ix-01-s-02.controlcircle.com
80.64.48.153	A	cc-uk-lhc-01-s-02.controlcircle.com
80.64.48.154	A+PTR	cc-uk-gs2-01-s-01.controlcircle.com
80.64.48.155	A	cc-uk-gs2-01-s-02.controlcircle.com
80.64.48.156	A	cc-uk-gs2-02-s-01.controlcircle.com
80.64.48.161	A	cc-uk-sov-01-r-01-hsrp-506.controlcircle.com
80.64.48.162	A	cc-uk-sov-01-r-01-v-506.controlcircle.com
80.64.48.174	A	cc-uk-gsw-01-s-01-e25.controlcircle.com
80.64.48.177	A	cc-uk-gsw-01-s-01-e26.controlcircle.com
80.64.48.193	A	offsec.networkoverview.com
80.64.48.194	A+PTR	secgw.networkoverview.com
80.64.48.195	A	crypto.networkoverview.com
80.64.48.196	A	monitor.networkoverview.com
80.64.48.198	PTR	old-monitor.networkoverview.com
80.64.48.198	A	networkoverview.com
80.64.48.212	A	exchange.networkoverview.com
80.64.48.220	A+PTR	access.networkoverview.com
80.64.48.226	PTR	cc-uk-thn-01-r-01-gi-0-2.controlcircle.com
80.64.48.226	A	max3000.cc
80.64.48.235	A	www.networkoverview.com
80.64.48.238	A	securityanalyser.networkoverview.com
80.64.48.242	A+PTR	crl.networkoverview.com
80.64.48.249	A	cc-uk-vsnl-01-s-01-vrrp-25.controlcircle.com
80.64.48.250	A	cc-uk-vsnl-01-s-01-v-25.controlcircle.com
80.64.48.251	A	cc-uk-vsnl-01-s-02-v-25.controlcircle.com
80.64.49.12	A+PTR	ha3.www.mendeley.com
80.64.49.16	PTR	80.64.49.16.controlcircle.com
80.64.49.24	PTR	80.64.49.24.controlcircle.com
80.64.49.24	A	babyguideuk.com
80.64.49.24	A	www.babyguideuk.com
80.64.49.32	A	confettibaby.co.uk
80.64.49.60	A+PTR	cc-uk-ix-01-s-01-v-24.controlcircle.com
80.64.49.61	A	cc-uk-ix-01-s-02-v-24.controlcircle.com
80.64.49.62	A	cc-uk-ix-01-s-01-vrrp-24.controlcircle.com
80.64.49.65	A	cc-uk-ix-01-s-01-v-16.controlcircle.com
80.64.49.66	A+PTR	cc-uk-ix-01-s-02-v-16.controlcircle.com
80.64.49.67	A	cc-uk-ix-01-s-02-vrrp-16.controlcircle.com
80.64.49.77	PTR	80.64.49.77.controlcircle.com
80.64.49.116	PTR	80.64.49.116.controlcircle.com
80.64.49.116	A	couturejewellery.com
80.64.49.116	A	cooldiamonds.ro
80.64.49.117	PTR	80.64.49.117.controlcircle.com
80.64.49.118	PTR	mail.mfuse.com
80.64.49.118	A	mail.xn--baguesdefianailles-jvb.fr
80.64.49.118	A	mail.xn--baguesdefianailles-jvb.biz
80.64.49.123	A	cc-uk-ix-01-s-01-vrrp-21.controlcircle.com
80.64.49.124	A	cc-uk-ix-01-s-01-v-21.controlcircle.com
80.64.49.125	A	cc-uk-ix-01-s-02-v-21.controlcircle.com
80.64.49.175	PTR	80.64.49.175.controlcircle.com
80.64.49.176	PTR	80.64.49.176.controlcircle.com
80.64.49.181	A+PTR	mx2.gsmmou.org
80.64.49.182	A+PTR	ns1.gsmmou.org
80.64.49.185	PTR	80.64.49.185.controlcircle.com
80.64.49.185	A	webmail.gsm.org
80.64.49.186	A+PTR	infocentre.gsm.org
80.64.49.186	A	lists.gsm.org
80.64.49.186	A	infocentre.gsm.org
80.64.49.187	PTR	80.64.49.187.controlcircle.com
80.64.49.187	A	w4.gsm.org
80.64.49.190	PTR	80.64.49.190.gsmdubds02.gsm.org
80.64.49.190	A	gsmdubds02.gsm.org
80.64.49.191	PTR	80.64.49.191.controlcircle.com
80.64.49.192	PTR	80.64.49.192.controlcircle.com
80.64.49.203	PTR	80.64.49.203.controlcircle.com
80.64.49.203	A	lb0.capitaipo.com
80.64.49.219	PTR	80.64.49.219.controlcircle.com
80.64.49.219	A	lb1.capitaipo.com
80.64.49.222	A	dispatch.gsm.org
80.64.49.225	A	cc-uk-ix-01-s-01-vrrp-17.controlcircle.com
80.64.49.226	A	cc-uk-ix-01-s-01-v-17.controlcircle.com
80.64.49.227	A	cc-uk-ix-01-s-02-v-17.controlcircle.com
80.64.49.234	A	cc-uk-ix-01-s-01-v-23.controlcircle.com
80.64.49.235	A	cc-uk-ix-01-s-02-v-23.controlcircle.com