Robtex

Up: 213.248.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 213.248.232.0/23
Down right: 213.248.234.0/23

IP	Type	Hostname
213.248.232.148	PTR	bbcwhoxlb02.localnet
213.248.233.82	A+PTR	beta-testbed-surf.whois.nominet.uk
213.248.233.82	A+PTR	beta-testbed-surf.epp.nominet.uk
213.248.233.135	PTR	ukxmidwld03.localnet
213.248.234.68	A+PTR	nomrocawp01.nominet.org.uk
213.248.234.85	PTR	nomdfshwp01.localnet
213.248.235.22	PTR	www-mysql.localnet