Robtex

Up: 159.255.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 159.255.128.0/21
Down right: 159.255.136.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
159.255.128.0	A+PTR	ip-159-255-128-0.in-addr.ntrnet.it
159.255.128.24	A	ip-159-255-128-24.in-addr.ntrnet.it
159.255.128.30	A	ip-159-255-128-30.in-addr.ntrnet.it
159.255.128.193	A+PTR	ip-159-255-128-193.in-addr.ntrnet.it
159.255.129.70	A	ip-159-255-129-70.in-addr.ntrnet.it
159.255.129.130	PTR	ip-159-255-129-130.in-addr.ntrnet.it
159.255.129.130	A	mail2.filmar.it
159.255.129.172	A	mx1.cirillostore.com
159.255.129.172	A	ip-159-255-129-172.in-addr.ntrnet.it
159.255.129.190	A	mail.gpsrl.net
159.255.130.67	A+PTR	ip-159-255-130-67.in-addr.ntrnet.it
159.255.130.111	A	utm9cuscusa.dyndns.org
159.255.130.141	A	mail2.filaticolor.it
159.255.131.103	A	ip-159-255-131-103.in-addr.ntrnet.it
159.255.131.105	A	ip-159-255-131-105.in-addr.ntrnet.it
159.255.131.117	A	ip-159-255-131-117.in-addr.ntrnet.it
159.255.132.161	PTR	ip-159-255-132-161.in-addr.ntrnet.it
159.255.133.91	A	smtp2.axevo.it
159.255.133.91	A	smtp2.axevohitech.com
159.255.133.91	A	smtp2.expotent.it
159.255.133.244	A	ip-159-255-133-244.in-addr.ntrnet.it
159.255.135.3	PTR	ip-159-255-135-3.in-addr.ntrnet.it
159.255.135.27	A	mx.dakatrading.com
159.255.137.6	A	ip-159-255-137-6.in-addr.ntrnet.it
159.255.137.164	A	mx2.dmpack.it
159.255.137.200	A	posta.fondsilvestri.com
159.255.138.27	A	webmail.schib.it
159.255.138.27	A	mail.schib.it
159.255.138.27	A	schib.it
159.255.138.82	A+PTR	ip-159-255-138-82.in-addr.ntrnet.it
159.255.138.82	A	mail2.sisma.com
159.255.138.122	A	ip-159-255-138-122.in-addr.ntrnet.it
159.255.138.122	A	mail.renzi.it
159.255.138.138	A	mx1.feba.it
159.255.138.138	A	www.feba.it
159.255.138.138	A	ip-159-255-138-138.in-addr.ntrnet.it
159.255.138.205	A	mail.centropaghe.it
159.255.138.205	A	centropaghe.it
159.255.138.205	A	www.centropaghe.it
159.255.138.234	A	remote.compagniasiderurgica.com
159.255.138.234	A	compagniasiderurgica.com
159.255.138.234	A	ip-159-255-138-234.in-addr.ntrnet.it
159.255.139.43	A	mail.valplastick.com
159.255.139.43	A	mail.vesticolor.it
159.255.139.43	A	mail.atispa.it
159.255.141.65	PTR	ip-159-255-141-65.in-addr.ntrnet.it