Robtex

Up: 5.83.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 5.83.8.0/22
Down right: 5.83.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.83.8.5	A+PTR	ns2.b4rn.org.uk
5.83.8.5	A	speedtest.b4rn.org.uk
5.83.8.6	A+PTR	ns0.b4rn.org.uk
5.83.8.10	A+PTR	ns1.b4rn.org.uk
5.83.8.65	A+PTR	vpn.b4rn.org.uk
5.83.8.78	PTR	trigger.b4rn.org.uk
5.83.8.99	A+PTR	mail.carronlodge.com
5.83.8.154	A	mail1.liketechnologies.co.uk
5.83.8.155	A	liketechnologies.co.uk
5.83.8.157	A+PTR	hal-gw-05.liketechnologies.co.uk
5.83.8.157	A	likecomputing.com
5.83.8.170	A+PTR	mail.swsuk.co.uk
5.83.8.210	A+PTR	router.cottageonthegreen.net
5.83.8.217	PTR	217-8.83.5.reverse.b4rn.org.uk
5.83.8.217	A	wmy-srv.wmy-systems.co.uk
5.83.8.217	A	mail.corohall.co.uk
5.83.8.218	PTR	218-8.83.5.reverse.b4rn.org.uk
5.83.9.51	PTR	51-9.83.5.reverse.b4rn.org.uk
5.83.9.51	A	wispcottage.com
5.83.9.51	A	phildurow.com
5.83.9.63	PTR	63-9.83.5.reverse.b4rn.org.uk
5.83.9.63	A	mail.walsh-mail.net
5.83.9.63	A	wmy-srv2.wmy-systems.co.uk
5.83.9.71	A	mail.jarrard.co.uk
5.83.11.56	A	mx1.couparconsultants.com
5.83.11.56	A	*.couparconsultants.com
5.83.11.56	A	remote.couparconsultants.com
5.83.11.152	A	mail.capernwray.org
5.83.12.48	A	wkenyon.net
5.83.12.89	PTR	89-12.83.5.reverse.b4rn.org.uk
5.83.13.200	A+PTR	nat.cottageonthegreen.net
5.83.15.102	A	burnmoor.com
5.83.15.102	A	northernpaladin.com