Robtex

Up: 213.31.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 213.31.128.0/19
Down right: 213.31.160.0/19
(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
213.31.180.10	A	sdgddcd10.us.infonet.com
213.31.180.65	PTR	sdgddcd65.us.infonet.com
213.31.180.122	A	sdgddcd122.us.infonet.com
213.31.180.124	A	sdgddcd124.us.infonet.com
213.31.180.194	PTR	sdgddcd194.us.infonet.com
213.31.181.22	A	psdgccd22.us.infonet.com
213.31.182.147	PTR	mail.take2international.com
213.31.182.147	A	take2international.com
213.31.185.62	PTR	lleds62.us.infonet.com
213.31.185.226	A	stuttgart-tcno.ugs.com
213.31.186.82	A	pasdgcss82.us.infonet.com