Robtex

Up: 185.12.136.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.12.136.0/23
Down right: 185.12.138.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.12.136.3	A	lfp.uk.com
185.12.136.4	A	abtecps.com
185.12.136.4	A	abtecnet.com
185.12.136.4	A	abtecgrp.com
185.12.136.11	A	ns1.abtecisp.net
185.12.136.68	A	ambrosetti.co.uk
185.12.136.68	A	ns2.ambrosetti.co.uk
185.12.136.88	A	mail.ghalivigunn.com
185.12.136.88	A	owa.ghalivigunn.com
185.12.136.229	A	mail.screensystems.tv
185.12.136.255	A	mail.thecslgroup.com
185.12.137.45	A+PTR	mail.arevarmc.com
185.12.137.74	A	gw-srv1.tebl.com
185.12.137.74	A	tebl.co.uk
185.12.137.74	A	thewaterbuyers.com
185.12.137.75	A	thewaterbuyers.com
185.12.137.76	A	thewaterbuyers.com
185.12.137.168	A+PTR	mail.monarchknitting.co.uk
185.12.137.178	A	booking.saeuk.com
185.12.137.196	A	mail.storycontracting.com
185.12.137.233	A	mail2.hallco1812.co.uk
185.12.138.68	A	sbs-ip-mail-ho.sbs.co.uk
185.12.138.71	A	sbs-ip-mail-dr.sbs.co.uk
185.12.139.11	A+PTR	ns2.abtecisp.net