Robtex

Up: 151.237.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 151.237.232.0/22
Down right: 151.237.236.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
151.237.232.130	A+PTR	sharedmail11.essensys.co.uk
151.237.232.130	A	host-151-237-232-130.essensys.co.uk
151.237.232.132	PTR	host-151-237-232-132.essensys.co.uk
151.237.232.132	A	sharedmail9.essensys.co.uk
151.237.232.133	PTR	sharedmail5.essensys.co.uk
151.237.233.118	A	mail1.trilogiecre.com
151.237.233.134	A	edinburgh.invocas.com
151.237.233.134	A	mx.dlp.org.uk
151.237.233.146	A	remote.coleridge-capital.com
151.237.233.166	A	mail.balfor.co.uk
151.237.233.210	PTR	host-151-237-233-210.essensys.co.uk
151.237.233.210	A	mail.chaseandpartners.co.uk
151.237.233.242	A+PTR	remote.roeye.com
151.237.234.34	PTR	host-151-237-234-34.essensys.co.uk
151.237.234.62	A	mail.cnhc.org.uk
151.237.234.63	A	mx01.crossrail-complaints-commissioner.org
151.237.234.64	PTR	host-151-237-234-64.essensys.co.uk
151.237.234.72	A+PTR	mail.jpmedpub.com
151.237.234.88	A	ns4.tidewayinvestment.co.uk
151.237.234.105	PTR	host-151-237-234-105.essensys.co.uk
151.237.234.105	A	exchange.entropii.com
151.237.234.105	A	exchange.wireframeworks.com
151.237.234.111	A	mail.reesoneducation.com
151.237.234.113	PTR	host-151-237-234-113.essensys.co.uk
151.237.234.113	A	mailtemp.malachitegroup.co
151.237.234.158	A	office.cropperandco.com
151.237.234.158	A	mail.cropperandco.com
151.237.235.22	A	mailserver.insure-risk.com
151.237.235.26	PTR	host-151-237-235-26.essensys.co.uk
151.237.235.177	PTR	host-151-237-235-177.essensys.co.uk
151.237.235.190	A	businessguideru.com
151.237.236.34	PTR	host-151-237-236-34.essensys.co.uk
151.237.236.34	A	mail.gibson-integration.com
151.237.236.134	A	mailgate.baker-street.co.uk
151.237.236.206	A	mail.lifesciencedynamics.com
151.237.236.206	A	mail.revelationassociates.com
151.237.236.222	A	dsl.bar2.co.uk
151.237.237.18	A	mail1.cselimited.co.uk
151.237.237.20	A	mail.cseonline.co.uk
151.237.237.35	A	mail.mandogroup.com
151.237.237.36	PTR	mailhost.mandogroup.com
151.237.237.36	A	application-01.mandogroup.com
151.237.237.40	PTR	host-151-237-237-40.essensys.co.uk
151.237.237.40	A	ipadcharityraffle.mandogroup.com
151.237.237.141	A	exchange.impressproject.org
151.237.238.1	PTR	host-151-237-238-1.essensys.co.uk
151.237.238.17	A+PTR	xsp-02.essensys.co.uk
151.237.238.82	PTR	host-151-237-238-82.essensys.co.uk
151.237.238.100	A+PTR	sharedmail2.essensys.co.uk
151.237.238.105	PTR	sharedmail.essensys.co.uk
151.237.238.107	PTR	host-151-237-238-107.essensys.co.uk
151.237.238.107	A	remote.ptarmiganbp.co.uk
151.237.238.125	PTR	sharedmail4.essensys.co.uk
151.237.238.125	A	google-big-dck-update.com
151.237.238.126	PTR	host-151-237-238-126.essensys.co.uk
151.237.239.37	A	blog.yazino.com
151.237.239.66	A+PTR	mail.alva-group.com
151.237.239.66	A	wallace.alva-group.com
151.237.239.66	A	gate.alva-group.com
151.237.239.70	A	mail.alvagroup.com
151.237.239.139	PTR	mail.zybert.co.uk
151.237.239.139	A	www.zybert.net
151.237.239.139	A	ns1.z1server.co.uk
151.237.239.140	PTR	www.mysafeware.co.uk
151.237.239.140	A	ns3.z1server.co.uk
151.237.239.142	PTR	z1server.co.uk
151.237.239.179	PTR	a.xyi.com
151.237.239.179	A	outgoingmail.xyi.com
151.237.239.179	A	*.xyi.com
151.237.239.180	PTR	b.xyi.com
151.237.239.188	A+PTR	exchange.angelsolutions.co.uk
151.237.239.188	A	mail.ncer.org
151.237.239.218	A	mail.touchstone.co.uk
151.237.239.242	A	mail.paydek.co.uk