Robtex

Up: 185.109.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.109.40.0/23
Down right: 185.109.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.109.40.21	A+PTR	srv07-man02.vive.uk.net
185.109.40.21	A	vive.email
185.109.40.26	A+PTR	srv13-man02.vive.uk.net
185.109.40.26	A	www.vive.tech
185.109.40.35	A+PTR	ns0.vive.tech
185.109.40.35	A	ns0.vive.uk.net
185.109.40.36	A+PTR	ns1.vive.tech
185.109.40.36	A	ns1.vive.uk.net
185.109.40.41	A+PTR	srv09-man01.vive.uk.net
185.109.40.42	A+PTR	srv10-man01.vive.uk.net
185.109.40.67	A	www.cardenpark.co.uk
185.109.40.84	A	cardenpark.co.uk
185.109.40.97	A+PTR	185-109-40-97.vive.uk.net
185.109.40.98	A	smtp.vive-technologies.com
185.109.40.147	A+PTR	185-109-40-147.vive.uk.net
185.109.40.155	A+PTR	185-109-40-155.vive.uk.net
185.109.40.155	A	arr.omegamat.co.uk
185.109.40.155	A	omegamat.co.uk
185.109.40.156	A+PTR	185-109-40-156.vive.uk.net
185.109.40.156	A	mx1.omegamat.co.uk
185.109.40.162	A+PTR	web1.cgihosting.co.uk
185.109.40.162	A	mytechnicalguy.com
185.109.40.163	A+PTR	web2.cgihosting.co.uk
185.109.40.163	A	web1.cgihosting.co.uk
185.109.40.169	PTR	cgihosting.co.uk
185.109.40.169	A	othermail.co.uk
185.109.40.169	A	testpad.net
185.109.40.171	PTR	bang-olufsen.tv
185.109.40.176	PTR	185-109-40-176.vive.uk.net
185.109.40.176	A	aquacubeit.com
185.109.40.176	A	retroacorn.org
185.109.43.38	A	ns2.cgifactory.co.uk
185.109.43.53	A+PTR	host1.jsmmail.co.uk
185.109.43.53	A	jsmmail.co.uk
185.109.43.90	A	jsmbars.online
185.109.43.251	PTR	webserver.jsmbars.online
185.109.43.251	A	soholiverpool.co.uk
185.109.43.251	A	erics-live.com