Robtex

Up: 87.238.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 87.238.76.0/23
Down right: 87.238.78.0/23

IP	Type	Hostname
87.238.76.3	PTR	mjimtl.magrathea.net
87.238.76.17	PTR	gb-tle-3650-01.magrathea.net
87.238.76.21	PTR	rdg-west-7204-01.magrathea.net
87.238.76.34	PTR	mjimtl-3.magrathea.net
87.238.76.35	PTR	mjimtl-4.magrathea.net
87.238.76.38	PTR	lgsmtl-3.magrathea.net
87.238.77.65	PTR	ire-dub-mux-01.magrathea.net.uk
87.238.77.66	PTR	ire-dub-mux-02.magrathea.net.uk
87.238.77.67	PTR	ire-dub-apc-01.magrathea.net.uk
87.238.77.68	PTR	ire-dub-apc-02.magrathea.net.uk
87.238.77.69	PTR	ire-dub-2960-01.magrathea.net.uk
87.238.77.70	PTR	ire-dub-2960-02.magrathea.net.uk
87.238.77.71	PTR	ire-dub-hpilo1.magrathea.net.uk
87.238.77.75	PTR	ire-dub-dhcp1.magrathea.net.uk
87.238.77.76	PTR	ire-dub-dhcp2.magrathea.net.uk
87.238.77.77	PTR	ire-dub-7204-01.magrathea.net.uk
87.238.77.78	PTR	ire-dub-7204-02.magrathea.net.uk
87.238.77.156	PTR	ire-dub-neptune-02.magrathea.net.uk
87.238.77.161	PTR	ire-dub-tdmip-161.magrathea.net.uk
87.238.77.249	PTR	ire-dub-7204-01.magrathea.net.uk
87.238.77.250	PTR	gbr-lon-7606-02.magrathea.net.uk
87.238.78.9	A	olipot.com
87.238.78.18	A	voip-3.white-label.com
87.238.78.18	A	voip-3.server.white-label.com