Robtex

Up: 78.153.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 78.153.64.0/22
Down right: 78.153.68.0/22

IP	Type	Hostname
78.153.64.0	PTR	loopback.soco.net
78.153.64.1	PTR	bbcr1-dn.soco.net
78.153.64.9	A	r6-dn.soco.net
78.153.64.10	A+PTR	r7-dn.soco.net
78.153.64.33	A+PTR	r1-dn.soco.net
78.153.64.37	A+PTR	r5-dn.soco.net
78.153.64.38	A+PTR	r6-dn.soco.net
78.153.64.39	A	r7-dn.soco.net
78.153.64.40	A+PTR	r8-dn.soco.net
78.153.65.0	PTR	transfernet.soco.net
78.153.65.1	PTR	r1-dn.soco.net
78.153.65.255	PTR	transfernet.soco.net
78.153.66.0	PTR	soco.net
78.153.66.255	PTR	soco.net
78.153.67.0	PTR	soco.net
78.153.67.255	PTR	soco.net
78.153.68.0	PTR	soco.net
78.153.69.0	PTR	soco.net
78.153.69.255	PTR	soco.net
78.153.70.0	PTR	soco.net
78.153.70.255	PTR	soco.net