Robtex

Up: 83.143.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 83.143.244.0/23
Down right: 83.143.246.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.143.244.5	PTR	no-mans-land.m247.com
83.143.244.13	PTR	no-mans-land.m247.com
83.143.244.14	PTR	no-mans-land.m247.com
83.143.244.22	PTR	no-mans-land.m247.com
83.143.244.26	A+PTR	gateway.cockermouthschool.org
83.143.244.57	PTR	no-mans-land.m247.com
83.143.244.76	PTR	no-mans-land.m247.com
83.143.244.81	PTR	no-mans-land.m247.com
83.143.244.90	PTR	no-mans-land.m247.com
83.143.244.98	PTR	mx-out-5.rpsend.com
83.143.244.147	PTR	no-mans-land.m247.com
83.143.244.166	PTR	no-mans-land.m247.com
83.143.244.230	PTR	no-mans-land.m247.com
83.143.244.251	PTR	linux-node-90.zequnda.com
83.143.245.1	PTR	vlan70.ar1.bru3.be.gbxs.net
83.143.245.3	PTR	host3.wadejaded.eu
83.143.245.4	PTR	misspiggy.coreserver.be
83.143.245.5	PTR	mail003.coreserver.be
83.143.245.6	PTR	mail004.coreserver.be
83.143.245.8	PTR	radius002.coreserver.be
83.143.245.9	PTR	mail001.coreserver.be
83.143.245.11	PTR	rizzo.coreserver.be
83.143.245.14	PTR	83-143-245-14.unknown.be.gbxs.net
83.143.245.21	PTR	mx-out.mail001.coreserver.be
83.143.245.22	PTR	mx-out.mail002.coreserver.be
83.143.245.28	PTR	mx-proxy.mail002.coreserver.be
83.143.245.33	A	ns01.fulladsl.be
83.143.245.34	PTR	host34.piscle.com
83.143.245.34	A	de.mullvad.net
83.143.245.34	A	ns02.fulladsl.be
83.143.245.35	A	webmail.coreserver.be
83.143.245.42	PTR	host42.piscle.com
83.143.245.42	A	de.mullvad.net
83.143.245.43	PTR	host43.piscle.com
83.143.245.49	PTR	vlan28.as01.fra2.de.m247.com
83.143.245.49	A	users.coreserver.be
83.143.245.50	A	dc-295.ptoserver.com
83.143.245.52	PTR	83-143-245-52.unknown.be.gbxs.net
83.143.245.55	PTR	83-143-245-55.unknown.be.gbxs.net
83.143.245.56	PTR	83-143-245-56.unknown.be.gbxs.net
83.143.245.58	PTR	83-143-245-58.unknown.be.gbxs.net
83.143.245.61	PTR	83-143-245-61.unknown.be.gbxs.net
83.143.245.73	PTR	xe-3-2-3-0.core1.fra2.de.m247.com
83.143.245.218	A+PTR	nfsfra.thinkhuge.net
83.143.245.249	PTR	vlan190.as07.fra4.de.m247.com
83.143.246.19	A	ns4.zaracp.ro
83.143.246.19	A	ns4.dece-ana-nu-are-gutui.info
83.143.246.20	A	ns3.epager.info
83.143.246.20	A	ns3.lashy.info
83.143.246.20	A	ns4.noroc.info
83.143.246.21	A	freni.info
83.143.246.22	A	news.flebarsa.ro
83.143.246.34	PTR	ny-host8.fxvm.net
83.143.246.66	PTR	no-rdns.madrivo.com
83.143.246.66	A	mail.extendedwarrantynow.com
83.143.246.66	A	ns1.ispyinsurance.com
83.143.246.68	PTR	no-rdns.madrivo.com
83.143.246.68	A	ns1.madrivo-offers.com
83.143.246.68	A	ns1.affiliateplayoffs.com
83.143.246.69	A	ns2.affiliateplayoffs.com
83.143.246.69	A	ns2.madrivo-offers.com
83.143.246.70	PTR	no-rdns.madrivo.com
83.143.246.72	PTR	vlan15.bb1.lax1.us.m247.com
83.143.246.72	A	sioaoapnnl.com
83.143.246.76	PTR	sirzion.com
83.143.246.76	A	ns1.netcontact.ro
83.143.246.76	A	*.sirzion.com
83.143.246.81	A	mail.dnaspectrum.com
83.143.246.85	PTR	no-rdns.madrivo.com
83.143.246.86	PTR	no-rdns.madrivo.com
83.143.246.86	A	ns2.dnaspectrum.com
83.143.246.87	PTR	no-rdns.madrivo.com
83.143.246.87	A	mail.dnaspectrum.com
83.143.246.87	A	dnaspectrum.com
83.143.246.90	A	mail.chefach.com
83.143.246.90	A	ns1.affiliateappointments.com
83.143.246.90	A	chefach.com
83.143.246.91	PTR	bengen.net
83.143.246.91	A	ns1.bengenapps.com
83.143.246.92	A+PTR	benevolentgeneration.com
83.143.246.92	A	ns2.benevolentgeneration.com
83.143.246.92	A	ns2.chefach.com
83.143.246.93	PTR	smtp.madrivo.com
83.143.246.115	A	dhcp115.corp.be.gbxs.net
83.143.246.122	PTR	dhcp122.corp.be.gbxs.net
83.143.246.156	PTR	so12.orgoatenn.eu
83.143.246.168	PTR	83-143-246-168.dsl.be.gbxs.net
83.143.247.16	PTR	irb-0.agg1.lax1.us.m247.com
83.143.247.20	A	ns1.zaracp.ro
83.143.247.21	A	ns1.citad.info
83.143.247.21	A	ns1.catbat.info
83.143.247.21	A	ns1.khame.info
83.143.247.23	A	ns4.noroc.info
83.143.247.23	A	noban.info
83.143.247.23	A	client-30-20-75.unsly.ro
83.143.247.24	A	ns1.cloudproviders.ro
83.143.247.24	A	ns1.maticentomology.ro
83.143.247.24	A	ns1.asily.info
83.143.247.27	A	ns4.noroc.info
83.143.247.27	A	noban.info
83.143.247.28	A	news.flebarsa.ro
83.143.247.28	A	ns2.flebarsa.ro
83.143.247.28	A	cloudproviders.ro
83.143.247.32	A	ns3.lifelon.info
83.143.247.32	A	ns3.lifesty.info
83.143.247.33	A	ns3.wonda.info
83.143.247.33	A	ns3.yanga.info
83.143.247.36	A	ns3.maticentomology.ro
83.143.247.36	A	ns3.cloudproviders.ro