Robtex

Up: 31.210.128.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 31.210.128.0/25
Down right: 31.210.128.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.210.128.0	PTR	31-210.128-0.hns.net
31.210.128.4	PTR	31-210.128-4.hns.net
31.210.128.7	PTR	31-210.128-7.hns.net
31.210.128.18	PTR	31-210.128-18.hns.net
31.210.128.22	PTR	31-210.128-22.hns.net
31.210.128.31	PTR	31-210.128-31.hns.net
31.210.128.32	PTR	31-210.128-32.hns.net
31.210.128.36	A+PTR	amber.hns.net
31.210.128.36	A	speedtest.hns.net
31.210.128.45	PTR	31-210.128-45.hns.net
31.210.128.57	PTR	31-210.128-57.hns.net
31.210.128.57	A	quartz.hns.net
31.210.128.70	A+PTR	mail.hostedbits.net
31.210.128.71	PTR	31-210.128-71.hns.net
31.210.128.72	PTR	31-210.128-72.hns.net
31.210.128.72	A	file-share.co.uk
31.210.128.73	PTR	31-210.128-73.hns.net
31.210.128.73	A	pmx1.scanmx.com
31.210.128.75	A	bitcs26.hostedbits.net
31.210.128.75	A	careflowconnect.com
31.210.128.76	A+PTR	mailforward.hostedbits.net
31.210.128.77	A+PTR	bitcs28.hostedbits.net
31.210.128.78	A	workplay-bags.org
31.210.128.78	A	workplay-bags.info
31.210.128.78	A	workplay-bags.net
31.210.128.79	PTR	31-210.128-79.hns.net
31.210.128.79	A	bitsdesk.com
31.210.128.79	A	www.bitsdesk.com
31.210.128.80	PTR	31-210.128-80.hns.net
31.210.128.81	PTR	31-210.128-81.hns.net
31.210.128.81	A	solseal.co.uk
31.210.128.81	A	www.solseal.co.uk
31.210.128.82	PTR	bitcl6.hostedbits.net
31.210.128.82	A	goblincombe.org.uk
31.210.128.82	A	www.nepalts.org.uk
31.210.128.90	A+PTR	emailwindows.com
31.210.128.90	A	unimatrix.teknobase.com
31.210.128.90	A	www.teknobase.com
31.210.128.91	A+PTR	bitcl8.hostedbits.net
31.210.128.91	A	technologynoise.com
31.210.128.92	PTR	31-210.128-92.hns.net
31.210.128.92	A	mx2.scanmx.com
31.210.128.107	PTR	31-210.128-107.hns.net
31.210.128.111	A	mail.msgexchange.com
31.210.128.127	PTR	31-210.128-127.hns.net
31.210.128.128	PTR	31-210.128-128.hns.net
31.210.128.133	A	prsuk.co.uk
31.210.128.135	PTR	31-210.128-135.hns.net
31.210.128.136	PTR	31-210.128-136.hns.net
31.210.128.143	PTR	31-210.128-143.hns.net
31.210.128.144	PTR	31-210.128-144.hns.net
31.210.128.151	PTR	31-210.128-151.hns.net
31.210.128.152	PTR	31-210.128-152.hns.net
31.210.128.156	PTR	31-210.128-156.hns.net
31.210.128.159	PTR	31-210.128-159.hns.net
31.210.128.160	PTR	31-210.128-160.hns.net
31.210.128.167	PTR	31-210.128-167.hns.net
31.210.128.169	PTR	31-210.128-169.hns.net
31.210.128.170	A	citroen-investor-database.com
31.210.128.180	PTR	bdp.business-directory-promotions.co.uk
31.210.128.180	A	www.business-directory-uk.co.uk
31.210.128.180	A	marquee-directory.co.uk
31.210.128.184	PTR	dev.better-than-chocolate.co.uk
31.210.128.186	PTR	no-dns-yet.tiger-computing.co.uk
31.210.128.200	PTR	31-210.128-200.hns.net
31.210.128.200	A	www.shal.org
31.210.128.200	A	dunoonmugs.co.uk
31.210.128.204	PTR	31-210.128-204.hns.net
31.210.128.212	PTR	31-210.128-212.hns.net
31.210.128.233	A	classyyoyo.com
31.210.128.233	A	2cservices.co.uk