Robtex

Up: 77.244.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 77.244.128.0/21
Down right: 77.244.136.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.244.128.4	A+PTR	sip.freewirevoice.com
77.244.128.4	A	freewirevoice.com
77.244.128.45	PTR	resolver-02.ixn.as42689.net
77.244.128.61	A+PTR	proxy1.ixn.inuknetworks.com
77.244.128.69	PTR	www-lb.ixn.inuknetworks.com
77.244.128.69	A	inuknetworks.com
77.244.128.69	A	www.inuknetworks.com
77.244.128.70	PTR	www0.ixn.inuknetworks.com
77.244.128.71	PTR	www1.ixn.inuknetworks.com
77.244.128.84	A+PTR	zig0.ixn.inuknetworks.com
77.244.128.119	PTR	iplex1-enc.ixn.inuknetworks.com
77.244.128.165	PTR	auth1.ixn.as42689.net
77.244.128.172	PTR	fs-01.ixn.as424689.net
77.244.128.172	A	ftp.inuknetworks.com
77.244.128.198	PTR	smdb0.ixn.inuknetworks.com
77.244.128.230	A	tacacs-01.ixn.as42689.net
77.244.128.231	A+PTR	tacacs-02.ixn.as42689.net
77.244.129.1	PTR	csw0.rbsov.as42689.net
77.244.129.1	A	csw0.rbsov.inuknetworks.com
77.244.129.109	PTR	po3.csw0.rbsov.as42689.net
77.244.129.224	A+PTR	cs-01.tcwil.as42689.net
77.244.130.2	A+PTR	ns0.rbsov.as42689.net
77.244.130.2	A	ns0.s00ty.net
77.244.130.2	A	ns0.rbsov.inuknetworks.com
77.244.130.10	PTR	ns0.thdo.as42689.net
77.244.130.70	PTR	v293.lns0.ixn.as42689.net
77.244.130.240	A	cablecomnetworking.co.uk
77.244.130.240	A	studentcom.co.uk
77.244.130.240	A	www.studentcom.co.uk
77.244.130.249	A	studentcom.co.uk
77.244.130.249	A	www.studentcom.co.uk
77.244.131.43	A+PTR	wism9.ixn.as42689.net
77.244.132.220	A	smtp.cablecomnetworking.co.uk
77.244.132.222	A+PTR	smtpn.cablecomnetworking.co.uk
77.244.133.0	PTR	d1-dsl.wr-01.assam.lon.gonative.as42689.net
77.244.133.63	PTR	d1-dsl.wr-01.green.lon.britannia.as42689.net
77.244.133.64	PTR	d2-dsl.wr-01.green.lon.britannia.as42689.net
77.244.133.229	PTR	mx1.unite-group.co.uk
77.244.134.110	PTR	v418.cs-01.bloom.lon.unite.as42689.net
77.244.134.114	PTR	gig0-4.cs-01.green.col.millenium.as42689.net
77.244.134.126	PTR	v1622.cs-01.bishop.exe.campbell.as42689.net
77.244.134.194	A+PTR	wism14.ixn.as42689.net
77.244.134.200	A	wism20.ixn.as42689.net
77.244.134.205	A	wism25.ixn.as42689.net
77.244.134.226	PTR	v220.cs-01.tcams.as42689.net
77.244.134.238	PTR	v315.cs-01.railyard.liv.unite.as42689.net
77.244.139.139	PTR	cs-01.tcwil.as42689.net
77.244.139.215	A	ipv4-c003-lhr001-cablecom-isp.1.oca.nflxvideo.net
77.244.139.219	A	ipv4-c004-lhr001-cablecom-isp.1.oca.nflxvideo.net
77.244.140.255	PTR	sw0.tor.inuknetworks.com
77.244.142.50	A	ipv4-c001-lhr001-cablecom-isp.1.oca.nflxvideo.net
77.244.142.50	A	ipv4-c001-lhr001-cablecom-isp.ftl.nflxvideo.net
77.244.143.17	A	scontent.flcy1-1.fna.fbcdn.net
77.244.143.17	A	external.flcy1-1.fna.fbcdn.net
77.244.143.18	A	video.flcy1-1.fna.fbcdn.net
77.244.143.32	A	instagram.flcy1-1.fna.fbcdn.net
77.244.143.33	A	media.flcy1-1.fna.whatsapp.net