Robtex

Up: 77.240.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 77.240.56.0/22
Down right: 77.240.60.0/22

IP	Type	Hostname
77.240.56.4	A	line2.co.uk
77.240.56.4	A	mail.line2.co.uk
77.240.56.66	A	dns3.sipworld.org
77.240.56.67	A	dns4.sipworld.org
77.240.56.70	A	iax.voiptalk.org
77.240.56.70	A	iax5.voiptalk.org
77.240.56.89	A	www.voiptalk.org
77.240.56.92	A	www.telappliant.com
77.240.56.92	A	www.unitel.co.uk
77.240.56.92	A	unitel.co.uk
77.240.56.99	A	dns5.sipworld.org
77.240.56.99	A	www.draytel.org
77.240.59.225	A	vo1726.voipoffice.org
77.240.61.24	A	flocash.com
77.240.61.29	A	www.delaphone.com
77.240.61.34	A	afrofone.com
77.240.63.98	A	exchange.telappliant.com