Robtex

Up: 192.42.112.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 192.42.112.0/22
Down right: 192.42.116.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.42.112.10	A	sa0.phi.meetup.com
192.42.112.120	A+PTR	outmail10.phi.meetup.com
192.42.112.121	A+PTR	outmail11.phi.meetup.com
192.42.112.122	A+PTR	outmail12.phi.meetup.com
192.42.112.123	A+PTR	outmail13.phi.meetup.com
192.42.112.129	A	outmail19.phi.meetup.com
192.42.113.1	PTR	forbidden-fruit.surfnet.nl
192.42.113.6	A+PTR	oxygen.ipv6.surfnet.nl
192.42.113.10	PTR	virtuoos.sec.nl
192.42.113.15	A+PTR	virtuoos.prutsnet.nl
192.42.113.40	A	zondebok.sec.nl
192.42.113.50	A	dork.surfnet.nl
192.42.113.60	A+PTR	zesbot.ipv6.surfnet.nl
192.42.113.60	A	www.ipv6.surfnet.nl
192.42.113.75	A+PTR	nrps-drac.surfnet.nl
192.42.113.80	PTR	dhcp
192.42.113.81	PTR	dhcp
192.42.113.82	PTR	dhcp
192.42.113.83	PTR	dhcp
192.42.113.88	PTR	dhcp
192.42.113.89	PTR	dhcp
192.42.113.90	A+PTR	oob.as1103.net
192.42.113.91	PTR	dhcp
192.42.113.99	A	azureus.sec.nl
192.42.113.100	A+PTR	tortest.ip-eend.nl
192.42.113.101	A	bind.sec.nl
192.42.113.102	A+PTR	freedom.ip-eend.nl
192.42.113.105	A+PTR	rbldnsd.sec.nl
192.42.113.107	A	tor.sec.nl
192.42.113.109	A	unbound.sec.nl
192.42.113.111	A	zonderling.sec.nl
192.42.113.129	PTR	forbidden-fruit.surfnet.nl
192.42.113.140	A+PTR	resolver.sec.nl
192.42.113.149	A	zonwering.sec.nl
192.42.113.160	PTR	zimbra.surfnet.nl
192.42.113.173	A+PTR	prutser.prutsnet.nl
192.42.113.180	A+PTR	drukwerk.sec.nl
192.42.113.190	A	dexter.surfnet.nl
192.42.113.193	A	lbids.surfnet.nl
192.42.113.201	A	snids.surfnet.nl
192.42.113.208	A	copycat.surfnet.nl
192.42.113.218	A	tiny.surfnet.nl
192.42.113.228	A	jumbo.surfnet.nl
192.42.113.238	A+PTR	huge.surfnet.nl
192.42.113.248	PTR	anonymous.sec.nl
192.42.113.250	A	wonk.surfnet.nl
192.42.113.252	A	blackmagic.surfnet.nl
192.42.113.254	A+PTR	spamcop.surfnet.nl
192.42.113.254	A	blns34.spamcop.net
192.42.114.1	A+PTR	nki-router.nki.nl
192.42.114.96	A	pca96.nki.nl
192.42.114.243	A+PTR	pca243.nki.nl
192.42.115.1	PTR	forbidden-fruit.prutsnet.nl
192.42.115.69	A	19386.de
192.42.115.101	A+PTR	cry.ip-eend.nl
192.42.115.102	A+PTR	onyx.ip-eend.nl
192.42.116.1	PTR	onweer.as1101.net
192.42.116.13	A+PTR	this-is-a-tor-exit-node-hviv113.hviv.nl
192.42.116.14	A+PTR	this-is-a-tor-exit-node-hviv114.hviv.nl
192.42.116.15	A+PTR	this-is-a-tor-exit-node-hviv115.hviv.nl
192.42.116.16	PTR	tor-exit.hartvoorinternetvrijheid.nl
192.42.116.17	A+PTR	this-is-a-tor-exit-node-hviv117.hviv.nl
192.42.116.18	A	this-is-a-tor-exit-node-hviv118.hviv.nl
192.42.116.19	A+PTR	this-is-a-tor-exit-node-hviv119.hviv.nl
192.42.116.20	A	this-is-a-tor-exit-node-hviv120.hviv.nl
192.42.116.24	A+PTR	this-is-a-tor-exit-node-hviv124.hviv.nl
192.42.116.25	A+PTR	this-is-a-tor-exit-node-hviv125.hviv.nl
192.42.116.26	A+PTR	this-is-a-tor-exit-node-hviv126.hviv.nl
192.42.116.27	A+PTR	this-is-a-tor-exit-node-hviv127.hviv.nl
192.42.116.41	PTR	this-domain-is-sinkholed-by.abuse.ch
192.42.116.41	A	vttrxnwupbfnuilvbkh.bz
192.42.116.41	A	phiqyasbadiadvm.pro
192.42.116.116	A+PTR	spiegel.as1101.net
192.42.116.161	A+PTR	anonymous.as1101.net
192.42.117.1	PTR	onweer.as1101.net
192.42.117.171	A+PTR	spamcop.as1101.net
192.42.117.171	A	blns79.spamcop.net
192.42.118.1	PTR	onweer.as1101.net
192.42.118.102	A	spamhauswhitelist.com
192.42.118.102	A	www.spamhauswhitelist.com
192.42.118.103	A	spamhaustech.com
192.42.118.103	A	www.spamhaustech.com
192.42.118.104	PTR	spamhaus.org
192.42.118.104	A	zsn5qtrgfpu4tmpg.onion.gq
192.42.118.104	A	mail.ssosi.ru
192.42.118.120	A	www.spamhaus.net
192.42.118.243	A	ns4.spamhaus.org
192.42.119.10	A	host156.shared-hosted.com
192.42.119.11	A+PTR	ns200.surbl.org
192.42.119.11	A	zone.surbl.org
192.42.119.11	A	ns200.surbl.com
192.42.119.20	A+PTR	rsync40.prolocation.net
192.42.119.20	A	host156.shared-hosted.com
192.42.119.21	PTR	ns201.surbl.org
192.42.119.21	A	zone.surbl.org
192.42.119.21	A	ns201.surbl.com
192.42.119.41	PTR	this-domain-is-sinkholed-by.abuse.ch
192.42.119.41	A	vttrxnwupbfnuilvbkh.bz
192.42.119.41	A	cebabsebi.com