Robtex

Up: 82.21.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 82.21.4.0/23
Down right: 82.21.6.0/23

IP	Type	Hostname
82.21.6.166	PTR	cpc2-ely06-2-0-cust677.5-1.cable.virginmedia.com
82.21.7.116	A	cpc2-ely06-2-0-cust883.5-1.cable.virginm.net
82.21.7.184	A+PTR	cpc82807-midd19-2-0-cust951.11-1.cable.virginm.net
82.21.7.200	A	cpc2-ely06-2-0-cust967.5-1.cable.virginm.net
82.21.7.226	A+PTR	cpc82807-midd19-2-0-cust993.11-1.cable.virginm.net