Robtex

Up: 196.216.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 196.216.56.0/23
Down right: 196.216.58.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
196.216.56.54	PTR	lyon.biz
196.216.56.54	A	mx3.lyon.biz
196.216.56.62	PTR	dt-services-pba-zaire-soyo-0035.cust.ao.afrisp.net
196.216.56.82	A+PTR	pbx.maxnet.ao
196.216.56.122	PTR	grd-grd-sede.cust.ao.afrisp.net
196.216.56.130	A	voip.internet.ao
196.216.56.214	A+PTR	bpa-sede-praia-bispo-plat.cust.ao.afrisp.net
196.216.56.253	A	nova-cimangola-petrangol-4.cust.ao.afrisp.net
196.216.56.253	A	ns2.cimangola.com
196.216.56.253	A	ns2.novacimangola.com
196.216.56.254	PTR	correio1.novacimangola.net
196.216.57.22	A	mail.standard-investments.com
196.216.57.72	A+PTR	www.asannet.co.ao
196.216.57.139	A+PTR	mail.unicargas.co.ao
196.216.57.142	A+PTR	portoseco.unicargas.co.ao
196.216.57.142	A	portaldocliente.unicargas.co.ao
196.216.57.142	A	ais.unicargas.globosoft.co.ao
196.216.57.172	PTR	redicom-viana-servic-prisionais.cust.ao.afrisp.net
196.216.57.172	A	redicom-angola.ddns.net
196.216.57.238	PTR	cochan-edificio-cif.cust.ao.afrisp.net
196.216.57.238	A	owa2.cochan.com
196.216.58.30	A	enad.gov.ao
196.216.58.42	A+PTR	webmail.planad.co.ao
196.216.58.195	PTR	www.medianova.co.ao
196.216.58.196	PTR	mail.medianova.co.ao
196.216.58.242	A	owa.cifangola.co.ao
196.216.58.246	PTR	mail.atlas.pheagle.com
196.216.59.2	A+PTR	proxy1.maxnet.ao
196.216.59.3	PTR	proxy3.maxnet.ao
196.216.59.10	A+PTR	noc2.maxnet.ao
196.216.59.40	A+PTR	voip-monitor1.dc1.ao.afrisp.net
196.216.59.98	PTR	africana-sede-salinas.cust.ao.afrisp.net
196.216.59.234	PTR	mail2.lisluanda.com