Robtex

Up: 89.255.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 89.255.160.0/20
Down right: 89.255.176.0/20

IP	Type	Hostname
89.255.160.3	PTR	static-89-255-160-3.allcomm.co.uk
89.255.160.4	PTR	static-89-255-160-4.allcomm.co.uk
89.255.160.32	PTR	static-89-255-160-32.allcomm.co.uk
89.255.160.33	PTR	static-89-255-160-33.allcomm.co.uk
89.255.160.34	PTR	static-89-255-160-34.allcomm.co.uk
89.255.160.129	PTR	static-89-255-160-129.allcomm.co.uk
89.255.160.160	PTR	static-89-255-160-160.allcomm.co.uk
89.255.160.161	PTR	static-89-255-160-161.allcomm.co.uk
89.255.160.163	PTR	static-89-255-160-163.allcomm.co.uk
89.255.160.192	PTR	static-89-255-160-192.allcomm.co.uk
89.255.160.193	PTR	static-89-255-160-193.allcomm.co.uk
89.255.161.2	PTR	static-89-255-161-2.allcomm.co.uk
89.255.161.34	PTR	static-89-255-161-34.allcomm.co.uk
89.255.161.129	PTR	static-89-255-161-129.allcomm.co.uk
89.255.161.131	PTR	static-89-255-161-131.allcomm.co.uk
89.255.161.193	PTR	static-89-255-161-193.oosha.co.uk.161.255.89.in-addr.arpa
89.255.161.225	PTR	static-89-255-161-225.allcomm.co.uk
89.255.161.226	PTR	static-89-255-161-226.allcomm.co.uk
89.255.162.4	PTR	static-89-255-162-4.oosha.co.uk
89.255.162.64	PTR	static-89-255-162-64.oosha.co.uk
89.255.162.66	A	smtp1.mplaser.co.uk
89.255.162.106	A	mailgate.tcheungandco.co.uk
89.255.162.118	A	remote.transnorm.co.uk
89.255.162.128	PTR	static-89-255-162-128.oosha.co.uk
89.255.162.160	PTR	static-89-255-162-160.oosha.co.uk
89.255.162.163	PTR	static-89-255-162-163.oosha.co.uk
89.255.162.227	PTR	static-89-255-162-227.oosha.co.uk