Robtex

Up: 80.77.244.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 80.77.245.0/25
Down right: 80.77.245.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.77.245.0	PTR	80-77-245-0.dsl.xifos.net
80.77.245.64	PTR	80-77-245-64.dsl.xifos.net
80.77.245.70	A+PTR	corp.xifos.net
80.77.245.70	A	mars.corp.xifos.net
80.77.245.71	PTR	news.xifos.net
80.77.245.72	A+PTR	news.xifos.net
80.77.245.73	PTR	mail.xifos.net
80.77.245.79	A+PTR	mailout1.the.xifos.net
80.77.245.79	A	pop.xifos.net
80.77.245.79	A	mailserver.xifos.net
80.77.245.80	PTR	mail.xifos.net
80.77.245.80	A	www.xifos.co.uk
80.77.245.80	A	boswellsgroup.com
80.77.245.81	PTR	secure.xifos.net
80.77.245.82	A+PTR	rb.xifos.net
80.77.245.85	PTR	mail.xifos.co.uk
80.77.245.86	A+PTR	web1.amatisnetworks.com
80.77.245.86	A	ernest-schneider.com
80.77.245.86	A	nationalcalvadosweek.com
80.77.245.90	PTR	smtp.positiveit.com
80.77.245.91	PTR	sed001.amatisnetworks.com
80.77.245.91	A	mail2.the.xifos.net
80.77.245.93	PTR	80-77-245-93.dsl.xifos.net
80.77.245.93	A	ferrysavers.mobi
80.77.245.172	PTR	80-77-246-172.no-dns-yet.xifos.net
80.77.245.207	PTR	80-77-244-207.no-dns-yet.xifos.net
80.77.245.218	PTR	80-77-244-218.no-dns-yet.xifos.net
80.77.245.234	PTR	80-77-246-234.no-dns-yet.xifos.net
80.77.245.248	PTR	80-77-246-248.no-dns-yet.xifos.net