Robtex

Up: 81.140.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 81.140.144.0/21
Down right: 81.140.152.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.140.145.228	A+PTR	dsl-np-81-140-145-228.in-addr.broadbandscope.com
81.140.145.230	A+PTR	dsl-np-81-140-145-230.in-addr.broadbandscope.com
81.140.146.86	A+PTR	dsl-np-81-140-146-86.in-addr.broadbandscope.com
81.140.146.97	A+PTR	dsl-np-81-140-146-97.in-addr.broadbandscope.com
81.140.146.98	A+PTR	dsl-np-81-140-146-98.in-addr.broadbandscope.com
81.140.146.100	A+PTR	dsl-np-81-140-146-100.in-addr.broadbandscope.com
81.140.146.252	A	dsl-np-81-140-146-252.in-addr.broadbandscope.com
81.140.147.25	A+PTR	dsl-np-81-140-147-25.in-addr.broadbandscope.com
81.140.147.242	A+PTR	dsl-np-81-140-147-242.in-addr.broadbandscope.com
81.140.149.193	A+PTR	dsl-np-81-140-149-193.in-addr.broadbandscope.com
81.140.149.234	A	mail2.decora.co.uk
81.140.149.237	A+PTR	dsl-np-81-140-149-237.in-addr.broadbandscope.com
81.140.150.50	A	mail.profire.co.uk
81.140.151.83	A	meadhome.com
81.140.151.83	A	dsl-np-81-140-151-83.in-addr.broadbandscope.com
81.140.151.131	A	vs001.lifestyleit.net
81.140.151.137	A+PTR	dsl-np-81-140-151-137.in-addr.broadbandscope.com
81.140.151.202	A+PTR	dsl-np-81-140-151-202.in-addr.broadbandscope.com
81.140.151.202	A	horsey.equinespa.com
81.140.152.110	PTR	dsl-np-81-140-152-110.in-addr.broadbandscope.com
81.140.152.154	PTR	dsl-np-81-140-152-154.in-addr.broadbandscope.com
81.140.152.157	A+PTR	dsl-np-81-140-152-157.in-addr.broadbandscope.com
81.140.152.157	A	eosmailproxy.co.uk
81.140.152.158	A	mail.dunlopdesign.com
81.140.152.170	A+PTR	dsl-np-81-140-152-170.in-addr.broadbandscope.com
81.140.152.233	A+PTR	dsl-np-81-140-152-233.in-addr.broadbandscope.com
81.140.153.226	A+PTR	dsl-np-81-140-153-226.in-addr.broadbandscope.com
81.140.153.226	A	mail.rpgroupdirect.com
81.140.153.226	A	mail.rpsealingtechnology.com
81.140.155.42	A+PTR	dsl-np-81-140-155-42.in-addr.broadbandscope.com
81.140.155.50	A+PTR	dsl-np-81-140-155-50.in-addr.broadbandscope.com
81.140.155.199	A+PTR	dsl-np-81-140-155-199.in-addr.broadbandscope.com
81.140.155.202	A	dsl-np-81-140-155-202.in-addr.broadbandscope.com
81.140.155.207	A	dsl-np-81-140-155-207.in-addr.broadbandscope.com
81.140.155.209	A+PTR	dsl-np-81-140-155-209.in-addr.broadbandscope.com
81.140.155.238	A+PTR	dsl-np-81-140-155-238.in-addr.broadbandscope.com
81.140.155.244	A+PTR	dsl-np-81-140-155-244.in-addr.broadbandscope.com
81.140.155.244	A	smtp.bmsnotts.co.uk
81.140.155.244	A	smtp.ithealth.co.uk
81.140.156.3	A+PTR	dsl-np-81-140-156-3.in-addr.broadbandscope.com
81.140.156.3	A	smtp.bms-it.co.uk
81.140.156.3	A	mail.ithealth.co.uk
81.140.156.5	PTR	dsl-np-81-140-156-5.in-addr.broadbandscope.com
81.140.156.54	A+PTR	dsl-np-81-140-156-54.in-addr.broadbandscope.com
81.140.156.63	A	dsl-np-81-140-156-63.in-addr.broadbandscope.com
81.140.156.73	A+PTR	dsl-np-81-140-156-73.in-addr.broadbandscope.com
81.140.156.185	A+PTR	dsl-np-81-140-156-185.in-addr.broadbandscope.com
81.140.156.218	A	mailhost2.tablets2buy.com
81.140.157.11	PTR	dsl-np-81-140-157-11.in-addr.broadbandscope.com
81.140.157.11	A	mailgate.wghc1.co.uk
81.140.158.155	A+PTR	dsl-np-81-140-158-155.in-addr.broadbandscope.com
81.140.158.157	A	mail.proteus-ni.org
81.140.158.177	A+PTR	dsl-np-81-140-158-177.in-addr.broadbandscope.com
81.140.159.19	A	dsl-np-81-140-159-19.in-addr.broadbandscope.com
81.140.159.105	A+PTR	dsl-np-81-140-159-105.in-addr.broadbandscope.com