Robtex

Up: 31.24.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 31.24.0.0/21
Down right: 31.24.8.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.24.0.0	PTR	network-31-24-0.spitfireuk.net
31.24.0.128	PTR	31-24-0-128.spitfireuk.net
31.24.0.129	PTR	31-24-0-129.spitfireuk.net
31.24.0.160	PTR	31-24-0-160.spitfireuk.net
31.24.0.170	A	ashfordwebmail.tonygee.com
31.24.0.192	PTR	31-24-0-192.spitfireuk.net
31.24.0.198	A	nat1.rugby.propcom.co.uk
31.24.1.0	PTR	network-31-24-1.spitfireuk.net
31.24.1.1	PTR	31-24-1-1.spitfireuk.net
31.24.1.57	A	ebmsmobile.com
31.24.1.59	A	mail.tankcoffee.com
31.24.1.61	A	mailgate.tyrrellsystems.com
31.24.1.64	PTR	31-24-1-64.spitfireuk.net
31.24.1.80	PTR	31-24-1-80.spitfireuk.net
31.24.1.82	A	mail.schoolconstruct.com
31.24.1.96	PTR	31-24-1-96.spitfireuk.net
31.24.1.105	A	mail1.thumbsupproductions.tv
31.24.1.128	PTR	31-24-1-128.spitfireuk.net
31.24.1.160	PTR	31-24-1-160.spitfireuk.net
31.24.1.176	PTR	31-24-1-176.spitfireuk.net
31.24.1.192	PTR	31-24-1-192.spitfireuk.net
31.24.1.206	A	remote.nautilus.uk.com
31.24.1.206	A	orbisll.nautilus.uk.com
31.24.1.216	A	feastwoods.com
31.24.1.217	A	smtp.feastwoods.com
31.24.1.218	A	mail.4coffshore.net
31.24.1.219	A	mail2.4coffshore.net
31.24.2.0	PTR	network-31-24-2.spitfireuk.net
31.24.2.95	A	mail.decembeard.org
31.24.2.95	A	mail.beatingbowelcancer.org
31.24.2.95	A	mail.decembeard.net
31.24.3.117	A	remote.kigtek.com
31.24.4.0	PTR	network-31-24-4.spitfireuk.net
31.24.4.99	PTR	31-24-4-99.spitfireuk.net
31.24.4.99	A	old-school-house.net
31.24.4.246	A	mail.diareyes.com
31.24.6.0	PTR	network-31-24-6.spitfireuk.net
31.24.6.74	A	smtp.ingresso.co.uk
31.24.6.74	A	constantine.ingresso.co.uk
31.24.6.90	A	gateway.hailocab.com
31.24.6.101	A	mail.jppublishing.co.uk
31.24.7.66	PTR	remote.draker.co.uk
31.24.7.66	A	mail2.draker.co.uk
31.24.8.20	A	20.8.24.31.ftth.as8758.net
31.24.8.94	A	94.8.24.31.ftth.as8758.net
31.24.8.137	A	meos.tk
31.24.8.137	A	ns2.meos.tk
31.24.8.137	A	ns1.meos.tk
31.24.8.211	PTR	211.8.24.31.ftth.as8758.net
31.24.9.0	A+PTR	0.9.24.31.ftth.as8758.net
31.24.9.43	A	h.yoyorik.com
31.24.9.60	A	alwena.ch
31.24.9.213	A	sabi-ale.com
31.24.10.2	A	2.10.24.31.ftth.as8758.net
31.24.10.29	A	www.colorize.ch
31.24.10.29	A	colorize.ch
31.24.10.36	A	36.10.24.31.ftth.as8758.net
31.24.10.52	A	52.10.24.31.ftth.as8758.net
31.24.10.62	A	62.10.24.31.ftth.as8758.net
31.24.10.65	PTR	65.10.24.31.ftth.as8758.net
31.24.10.65	A	ckychu.ch
31.24.10.77	A	77.10.24.31.ftth.as8758.net
31.24.10.81	PTR	81.10.24.31.ftth.as8758.net
31.24.10.102	A	102.10.24.31.ftth.as8758.net
31.24.10.105	A	toz.ch
31.24.10.105	A	igramul.ch
31.24.10.108	A	icg-projekte.ch
31.24.10.114	A	yogabern.ch
31.24.10.140	A	mail.insieme.ch
31.24.10.146	A	mail.easycab.ch
31.24.10.148	PTR	148.10.24.31.ftth.as8758.net
31.24.10.148	A	adm01.hostname.ch
31.24.10.168	A+PTR	ns1.h1dden.net
31.24.10.168	A	n.h1dden.net
31.24.10.168	A	h1dden.net
31.24.10.169	A	mail.systemworx.ch
31.24.10.179	A	kochsystem.com
31.24.10.189	A+PTR	189.10.24.31.ftth.as8758.net
31.24.10.189	A	ns3.invoca.ch
31.24.10.190	A	mail.gcbe.ch
31.24.10.197	A+PTR	mail.naturfreunde.ch
31.24.10.197	A	mail.amisdelanature.ch
31.24.10.200	A	fugulier.ch
31.24.11.0	A	0.11.24.31.ftth.as8758.net
31.24.11.61	A+PTR	61.11.24.31.ftth.as8758.net
31.24.11.63	A	a-venue.be
31.24.11.86	A+PTR	86.11.24.31.ftth.as8758.net
31.24.12.6	A	mail.kuene.org
31.24.12.23	A	23.12.24.31.ftth.as8758.net
31.24.12.28	A	srv1.fr
31.24.12.37	A	portamento.net
31.24.12.91	A	91.12.24.31.ftth.as8758.net
31.24.12.128	PTR	128.12.24.31.ftth.as8758.net
31.24.12.128	A	mail.bcbuelach.ch
31.24.12.128	A	turniersoftware.ch
31.24.12.184	A	184.12.24.31.ftth.as8758.net
31.24.12.192	A	192.12.24.31.ftth.as8758.net
31.24.12.200	A	200.12.24.31.ftth.as8758.net
31.24.12.215	A	weilenmann.net
31.24.12.223	A	eqal.kicks-ass.net
31.24.12.229	A	www.ur-service-zh.synology.me
31.24.12.229	A	ur-service-zh.synology.me
31.24.13.0	A+PTR	0.13.24.31.ftth.as8758.net
31.24.13.28	A	28.13.24.31.ftth.as8758.net
31.24.13.42	A	42.13.24.31.ftth.as8758.net
31.24.13.61	A	61.13.24.31.ftth.as8758.net
31.24.13.86	A	86.13.24.31.ftth.as8758.net
31.24.13.145	A+PTR	145.13.24.31.ftth.as8758.net
31.24.13.252	A+PTR	252.13.24.31.ftth.as8758.net
31.24.13.252	A	pitican.duckdns.org
31.24.14.0	A	0.14.24.31.ftth.as8758.net
31.24.14.81	A+PTR	81.14.24.31.ftth.as8758.net
31.24.14.81	A	jensliedtke.dyndns.org
31.24.15.0	A	0.15.24.31.ftth.as8758.net
31.24.15.205	A	floraproject.net
31.24.15.217	A	mail.dexco.ch