Robtex

Up: 62.72.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 62.72.60.0/23
Down right: 62.72.62.0/23

IP	Type	Hostname
62.72.60.1	PTR	ns1.primusdatacenter.net
62.72.60.27	PTR	smtp.primusdatacenter.net
62.72.60.41	PTR	proxy2.primusdatacenter.net
62.72.60.44	PTR	proxy.primusdatacenter.net
62.72.60.78	PTR	reganam2.primusdatacenter.net
62.72.60.99	PTR	sip.primustel.co.uk
62.72.60.245	PTR	allot.primusdatacenter.net
62.72.61.10	PTR	web1.primusdatacenter.net
62.72.61.13	PTR	web4.primusdatacenter.net
62.72.61.68	PTR	web14.primusdatacenter.net
62.72.62.30	PTR	primus-dp1-uk030.primusdatacenter.net
62.72.63.139	PTR	visit.keznews.com
62.72.63.141	PTR	primus-dp2-uk141.primusdatacenter.net
62.72.63.201	PTR	primus-dp2-uk201.primusdatacenter.net
62.72.63.255	PTR	primus-dp2-uk255.primusdatacenter.net