Robtex

Up: 217.137.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 217.137.64.0/19
Down right: 217.137.96.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.137.65.73	A	mail.kozeesleep.co.uk
217.137.65.185	A	mailserver2.247blinds.co.uk
217.137.65.185	A	mail2.247blinds.ie
217.137.65.185	A	mail2.247curtains.co.uk
217.137.66.41	A	highlandretreats.org
217.137.66.41	A	schools-it.co.uk
217.137.66.41	A	highland-retreats.org
217.137.68.18	PTR	cbs2-finc11-0-0-cust17.4-2.cable.virginm.net
217.137.68.52	PTR	cbs2-finc11-0-0-cust51.4-2.cable.virginm.net
217.137.68.52	A	uniqcomputing.co.uk
217.137.68.52	A	mail.karasie.net
217.137.70.25	A	mx01.ixlproductions.net
217.137.70.25	A	mx00.ixlproductions.net
217.137.71.26	A	link.streamenviro.com
217.137.72.25	A	mailserver.andersonorr.com
217.137.72.155	A	mx3.okadirect.com
217.137.72.237	A+PTR	cbs1-oxfd10-0-0-cust12.4-3.cable.virginm.net
217.137.72.237	A	eadpost.co.uk
217.137.74.117	PTR	cbs2-nrwh7-0-0-cust20.4-4.cable.virginm.net
217.137.74.117	A	mail.richcs.co.uk
217.137.75.87	A	leisuress.com
217.137.75.162	A+PTR	cbs1-pete5-0-0-cust1.4-4.cable.virginm.net
217.137.75.162	A	remote.fulbridgesocialcare.co.uk
217.137.77.234	A+PTR	cbs1-cmbg14-0-0-cust9.5-4.cable.virginm.net
217.137.79.25	A+PTR	cbs1-cosh9-0-0-cust24.6-1.cable.virginm.net
217.137.79.25	A	server.top-yacht.com
217.137.79.25	A	mail.top-yacht.com
217.137.79.242	A	mail.mr2dc.com
217.137.79.247	A	mail2.mr2dc.com
217.137.81.1	A+PTR	cbs2-alde2-0-0-gw.6-2.cable.virginm.net
217.137.82.8	A+PTR	cbs1-cbly1-0-0-cust7.6-2.cable.virginm.net
217.137.82.8	A	mail.treateyes.com
217.137.82.8	A	mail.limehouseuk.com
217.137.87.216	A	remote.lambtontailoring.co.uk
217.137.88.165	A	hemsworthsbullion.com
217.137.88.170	A	gateway.leeds17.com
217.137.88.170	A	mail.danielrawson.com
217.137.88.170	A	mail.mc2eyewear.com
217.137.88.242	A	mail.fgfleeds.org
217.137.91.15	A	smtpin.swanseawa.org.uk
217.137.93.92	A+PTR	cbs1-leic3-0-0-cust11.8-1.cable.virginm.net
217.137.95.139	A	mail.ebscouk.com
217.137.95.139	A	email.ebscouk.com
217.137.101.125	A+PTR	cbs1-heme1-0-0-cust28.9-1.cable.virginm.net
217.137.101.125	A	joymatthews.co.uk
217.137.101.125	A	alanruffell.com
217.137.104.204	A+PTR	cbs1-stev2-0-0-cust11.9-2.cable.virginm.net
217.137.104.249	A	mail2.highlandfox.com
217.137.113.180	A+PTR	cbs1-hart2-0-0-cust19.11-3.cable.virginm.net
217.137.114.227	A	email.stbbrackets.co.uk
217.137.118.244	A	mailgate.cec-services.co.uk
217.137.118.244	A	dns.phoenixbsc.com
217.137.119.156	A+PTR	cbs1-basf2-0-0-cust27.12-3.cable.virginm.net
217.137.119.156	A	mail.mistymessages.com
217.137.120.221	A+PTR	manc-lam-4-tenge23-3787.network.virginmedia.net
217.137.121.122	A+PTR	cpc78201-warw17-2-0-cust377.3-2.cable.virginm.net
217.137.122.25	A+PTR	nott-lam-3-tenge74-588.network.virginmedia.net
217.137.123.103	A+PTR	brnt-lam-5-tenge83-934.network.virginmedia.net
217.137.123.248	A+PTR	cpc78201-warw17-2-0-cust1015.3-2.cable.virginm.net
217.137.124.249	A+PTR	cmbg-lam-3-tenge74-2576.network.virginmedia.net
217.137.126.18	PTR	cpc78203-warw17-2-0-cust529.3-2.cable.virginm.net
217.137.126.196	A+PTR	cpc78203-warw17-2-0-cust707.3-2.cable.virginm.net
217.137.126.209	A+PTR	cpc78203-warw17-2-0-cust720.3-2.cable.virginm.net
217.137.126.224	A+PTR	cpc78203-warw17-2-0-cust735.3-2.cable.virginm.net