Robtex

Up: 213.31.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 213.31.160.0/21
Down right: 213.31.168.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.31.164.198	PTR	198.164.31.213.dyn.plus.net
213.31.164.198	A	c3iq.co.uk
213.31.167.90	PTR	90.167.31.213.dyn.plus.net
213.31.172.77	A	sophos-labs.co.nz
213.31.172.77	A	www.sophos.tv
213.31.172.77	A	sophos.co.in
213.31.172.193	A	mail1.enit.it
213.31.172.234	A	globfi1csgw.global.finpro.org