Robtex

Up: 80.240.88.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 80.240.88.0/23
Down right: 80.240.90.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.240.88.2	PTR	www.ecotricity.co.uk
80.240.88.2	A	ecotricity.in
80.240.88.9	PTR	host80-240-88-9.ipv4.smartbunker.net
80.240.88.9	A	cmtbd.com
80.240.88.13	A	jkservices.biz
80.240.88.13	A	mail.bedfas.org.uk
80.240.88.13	A	mail.jkservices.biz
80.240.88.14	PTR	host80-240-88-14.ipv4.smartbunker.net
80.240.88.14	A	drewry.co.uk
80.240.88.29	PTR	host80-240-88-29.ipv4.smartbunker.net
80.240.88.35	PTR	mail.zerocarbonhosting.co.uk
80.240.88.35	A	zerocarbonhosting.co.uk
80.240.88.35	A	zerocarbonhosting.org
80.240.88.41	PTR	host80-240-88-41.ipv4.smartbunker.net
80.240.88.41	A	bigresearchprogramme.org
80.240.88.41	A	bigresearchprogramme.com
80.240.88.45	PTR	willow.ecohost.coop
80.240.88.45	A	preponline.org
80.240.88.46	A	mail.forewind.co.uk
80.240.88.46	A	windsupport.net
80.240.88.46	A	corporationpop.org
80.240.88.87	A	eco-island.org
80.240.88.91	PTR	host80-240-88-91.ipv4.smartbunker.net
80.240.88.91	A	hunterpt.com
80.240.88.91	A	moixx.net
80.240.88.96	A+PTR	mail.zerocarbonhosting.co.uk
80.240.88.96	A	mail.franchettibond.com
80.240.88.96	A	mail.ansellandclarke.co.uk
80.240.88.107	A	www.stjames-weybridge.surrey.sch.uk
80.240.88.108	PTR	host80-240-88-108.ipv4.smartbunker.net
80.240.88.120	PTR	host80-240-88-120.ipv4.smartbunker.net
80.240.88.120	A	amtrustcm.com
80.240.88.121	A+PTR	plesk.smartbunker.net
80.240.88.121	A	www.jmtsolutions.co.uk
80.240.88.121	A	www.cloudservice.co.uk
80.240.88.122	PTR	host80-240-88-122.ipv4.smartbunker.net
80.240.88.125	A	mail.william-saunders.com
80.240.88.127	PTR	host80-240-88-127.ipv4.smartbunker.net
80.240.88.127	A	vipe-x.co.uk
80.240.88.138	PTR	host80-240-88-138.ipv4.smartbunker.net
80.240.88.138	A	minipark.co.uk
80.240.88.248	PTR	host80-240-88-248.ipv4.smartbunker.net
80.240.90.2	PTR	host80-240-90-2.ipv4.smartbunker.net
80.240.90.4	PTR	host80-240-90-4.ipv4.smartbunker.net
80.240.90.6	PTR	host80-240-90-6.ipv4.smartbunker.net
80.240.90.9	PTR	host80-240-90-9.ipv4.smartbunker.net
80.240.90.11	PTR	host80-240-90-11.ipv4.smartbunker.net
80.240.90.20	PTR	host80-240-90-20.ipv4.smartbunker.net
80.240.90.21	PTR	host80-240-90-21.ipv4.smartbunker.net
80.240.90.23	PTR	host80-240-90-23.ipv4.smartbunker.net
80.240.90.25	PTR	host80-240-90-25.ipv4.smartbunker.net
80.240.90.28	PTR	host80-240-90-28.ipv4.smartbunker.net
80.240.90.30	PTR	host80-240-90-30.ipv4.smartbunker.net
80.240.90.32	PTR	host80-240-90-32.ipv4.smartbunker.net
80.240.90.40	PTR	host80-240-90-40.ipv4.smartbunker.net
80.240.90.42	PTR	host80-240-90-42.ipv4.smartbunker.net
80.240.90.68	PTR	host80-240-90-68.ipv4.smartbunker.net
80.240.90.78	PTR	host80-240-90-78.ipv4.smartbunker.net
80.240.90.82	PTR	host80-240-90-82.ipv4.smartbunker.net
80.240.90.90	PTR	host80-240-90-90.ipv4.smartbunker.net
80.240.90.91	PTR	host80-240-90-91.ipv4.smartbunker.net
80.240.90.92	PTR	host80-240-90-92.ipv4.smartbunker.net
80.240.90.96	PTR	host80-240-90-96.ipv4.smartbunker.net
80.240.90.98	PTR	host80-240-90-98.ipv4.smartbunker.net
80.240.90.104	PTR	host80-240-90-104.ipv4.smartbunker.net
80.240.90.105	PTR	host80-240-90-105.ipv4.smartbunker.net
80.240.90.111	PTR	host80-240-90-111.ipv4.smartbunker.net
80.240.90.116	PTR	host80-240-90-116.ipv4.smartbunker.net
80.240.90.120	PTR	host80-240-90-120.ipv4.smartbunker.net
80.240.90.124	PTR	host80-240-90-124.ipv4.smartbunker.net
80.240.90.128	PTR	host80-240-90-128.ipv4.smartbunker.net
80.240.90.129	PTR	host80-240-90-129.ipv4.smartbunker.net
80.240.90.130	PTR	host80-240-90-130.ipv4.smartbunker.net
80.240.90.133	PTR	host80-240-90-133.ipv4.smartbunker.net
80.240.90.157	PTR	host80-240-90-157.ipv4.smartbunker.net
80.240.90.161	PTR	host80-240-90-161.ipv4.smartbunker.net
80.240.90.165	PTR	host80-240-90-165.ipv4.smartbunker.net
80.240.90.172	PTR	host80-240-90-172.ipv4.smartbunker.net
80.240.90.179	PTR	host80-240-90-179.ipv4.smartbunker.net
80.240.90.186	PTR	host80-240-90-186.ipv4.smartbunker.net
80.240.90.187	PTR	host80-240-90-187.ipv4.smartbunker.net
80.240.90.189	PTR	host80-240-90-189.ipv4.smartbunker.net
80.240.90.193	PTR	host80-240-90-193.ipv4.smartbunker.net
80.240.90.197	PTR	host80-240-90-197.ipv4.smartbunker.net
80.240.90.206	PTR	host80-240-90-206.ipv4.smartbunker.net
80.240.90.230	PTR	host80-240-90-230.ipv4.smartbunker.net
80.240.90.231	PTR	host80-240-90-231.ipv4.smartbunker.net
80.240.90.236	PTR	host80-240-90-236.ipv4.smartbunker.net
80.240.90.237	PTR	host80-240-90-237.ipv4.smartbunker.net
80.240.90.249	PTR	host80-240-90-249.ipv4.smartbunker.net
80.240.90.251	PTR	host80-240-90-251.ipv4.smartbunker.net