Robtex

Up: 81.4.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 81.4.176.0/23
Down right: 81.4.178.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.4.176.3	PTR	nbl11-3.static.cytanet.com.cy
81.4.176.4	PTR	nbl11-4.static.cytanet.com.cy
81.4.176.6	A+PTR	mail.metro.com.cy
81.4.176.6	A	nbl11-6.static.cytanet.com.cy
81.4.176.11	PTR	nbl11-11.static.cytanet.com.cy
81.4.176.12	PTR	nbl11-12.static.cytanet.com.cy
81.4.176.70	PTR	nbl11-70.static.cytanet.com.cy
81.4.176.110	A+PTR	mail.kathienitis.com
81.4.176.134	A+PTR	mail.kyprianides.com
81.4.176.182	A+PTR	nbl11-182.static.cytanet.com.cy
81.4.176.182	A	mail.markoubros.com.cy
81.4.177.1	A	nbl12-1.static.cytanet.com.cy
81.4.177.7	A	nbl12-7.static.cytanet.com.cy
81.4.177.18	PTR	nbl12-18.static.cytanet.com.cy
81.4.177.18	A	solar-disk.com
81.4.177.42	A+PTR	nbl12-42.static.cytanet.com.cy
81.4.177.58	A+PTR	email-srv.ergoserve.biz
81.4.177.58	A+PTR	email-srv.cyplaw.com
81.4.177.58	A	email-srv.auditcy.com
81.4.177.66	A	nbl12-66.static.cytanet.com.cy
81.4.177.122	A+PTR	webmail.cypria.info
81.4.177.122	A	cypria.info
81.4.177.122	A	webmail.bluelane.eu
81.4.177.138	A	mail.symeonides.eu
81.4.177.138	A	symeonides.eu
81.4.177.138	A	nbl12-138.static.cytanet.com.cy
81.4.177.140	A+PTR	nbl12-140.static.cytanet.com.cy
81.4.177.143	A+PTR	nbl12-143.static.cytanet.com.cy
81.4.177.148	A	mail.catcyprus.com
81.4.177.158	A	mail.fereosgroup.com
81.4.177.178	A+PTR	limmail.limassolmunicipal.com.cy
81.4.177.186	A+PTR	mail.smcjv.com.cy
81.4.177.186	A+PTR	mail.telmen.com.cy
81.4.177.186	A	nbl12-186.static.cytanet.com.cy
81.4.177.219	A	nbl12-219.static.cytanet.com.cy
81.4.177.234	PTR	mail.dsm.org.cy
81.4.178.102	PTR	nbl13-102.static.cytanet.com.cy
81.4.178.102	A	officestar.selfip.org
81.4.178.118	PTR	nbl13-118.static.cytanet.com.cy
81.4.178.118	A	mail.navtech-supplies.com
81.4.178.118	A	mail.island-oil.com
81.4.178.158	A+PTR	nbl13-158.static.cytanet.com.cy
81.4.178.162	A+PTR	exmail.latsia.org.cy
81.4.178.198	PTR	nbl13-198.static.cytanet.com.cy
81.4.178.198	A	pn44.starkit.me
81.4.178.198	A	cb10.starkit.me
81.4.178.222	A+PTR	nbl13-222.static.cytanet.com.cy
81.4.178.222	A	odin.thepcstore.com.cy
81.4.179.2	A+PTR	mail.patriotis.com
81.4.179.26	A	mail.amathusaegeas.com.cy
81.4.179.106	A+PTR	hostel.intercol.edu
81.4.179.138	PTR	nbl14-138.static.cytanet.com.cy
81.4.179.138	A	mail.technica.com.cy
81.4.179.154	PTR	nbl14-154.static.cytanet.com.cy
81.4.179.154	A	mail.cnhc.com
81.4.179.163	A	mail.mastermind-cyprus.com
81.4.179.195	A	mail.lordosinfo.com
81.4.179.195	A	mariannalordos.org
81.4.179.195	A	mail.ortholexis.com
81.4.179.196	PTR	nbl14-196.static.cytanet.com.cy
81.4.179.196	A	cypruspolls.org
81.4.179.210	PTR	mail.demetra.com.cy