Robtex

Up: 213.161.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 213.161.96.0/20
Down right: 213.161.112.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.161.96.0	A+PTR	213-161-96-0.itsa.net.pl
213.161.96.217	A+PTR	213-161-96-217.itsa.net.pl
213.161.98.1	A+PTR	213-161-98-1.itsa.net.pl
213.161.98.2	PTR	webserv.itsa.com.pl
213.161.98.2	A	www.aforte.pl
213.161.98.2	A	itsatest.pl
213.161.98.3	PTR	poczta.itsa.pl
213.161.98.32	A	213-161-98-32.itsa.net.pl
213.161.98.33	A+PTR	213-161-98-33.itsa.net.pl
213.161.98.34	A	213-161-98-34.itsa.net.pl
213.161.98.35	A	213-161-98-35.itsa.net.pl
213.161.98.64	A	213-161-98-64.itsa.net.pl
213.161.98.65	A	213-161-98-65.itsa.net.pl
213.161.98.66	A	213-161-98-66.itsa.net.pl
213.161.98.67	A	213-161-98-67.itsa.net.pl
213.161.98.96	A+PTR	213-161-98-96.itsa.net.pl
213.161.98.97	A+PTR	213-161-98-97.itsa.net.pl
213.161.98.98	A+PTR	213-161-98-98.itsa.net.pl
213.161.98.99	A+PTR	213-161-98-99.itsa.net.pl
213.161.98.128	A+PTR	213-161-98-128.itsa.net.pl
213.161.98.130	A+PTR	213-161-98-130.itsa.net.pl
213.161.98.131	A+PTR	213-161-98-131.itsa.net.pl
213.161.98.133	A	213-161-98-133.itsa.net.pl
213.161.98.160	A+PTR	213-161-98-160.itsa.net.pl
213.161.98.169	A	213-161-98-169.itsa.net.pl
213.161.98.177	A	213-161-98-177.itsa.net.pl
213.161.98.179	A	213-161-98-179.itsa.net.pl
213.161.98.197	A	213-161-98-197.itsa.net.pl
213.161.98.198	A	213-161-98-198.itsa.net.pl
213.161.98.202	A	213-161-98-202.itsa.net.pl
213.161.98.206	A	213-161-98-206.itsa.net.pl
213.161.98.231	A	213-161-98-231.itsa.net.pl
213.161.98.234	A	213-161-98-234.itsa.net.pl
213.161.98.237	A	213-161-98-237.itsa.net.pl
213.161.98.243	A	213-161-98-243.itsa.net.pl
213.161.99.50	A	intelligenttechnologies.pl
213.161.99.99	A+PTR	ns3.itsa.pl
213.161.100.17	A	as1.itsa.pl
213.161.100.18	A	as2.itsa.pl
213.161.100.33	A	fs1.itsa.pl
213.161.100.34	A	fs2.itsa.pl
213.161.100.65	A	ms.itsa.pl
213.161.101.0	PTR	213-161-101-0.itsa.net.pl
213.161.101.1	PTR	213-161-101-1.itsa.net.pl
213.161.101.32	PTR	213-161-101-32.itsa.net.pl
213.161.101.68	A	unifiedcommunications.pl
213.161.101.98	PTR	213-161-101-98.itsa.net.pl
213.161.101.128	PTR	213-161-101-128.itsa.net.pl
213.161.101.130	PTR	213-161-101-130.itsa.net.pl
213.161.101.161	PTR	213-161-101-161.itsa.net.pl
213.161.101.193	PTR	213-161-101-193.itsa.net.pl
213.161.101.195	PTR	213-161-101-195.itsa.net.pl
213.161.102.29	A	mail.worldglamourphoto.com
213.161.102.38	A	ns.unifiedcommunications.pl
213.161.107.0	A+PTR	213-161-107-0.itsa.net.pl
213.161.107.1	A+PTR	213-161-107-1.itsa.net.pl
213.161.107.2	A+PTR	waw-eql-sw1.net.itsa.pl
213.161.107.18	A	waw-zau-sw3.net.itsa.pl
213.161.107.36	A	213-161-107-36.itsa.net.pl
213.161.107.38	A	213-161-107-38.itsa.net.pl
213.161.107.40	A	213-161-107-40.itsa.net.pl
213.161.107.41	A	213-161-107-41.itsa.net.pl
213.161.107.64	A+PTR	213-161-107-64.itsa.net.pl
213.161.107.65	A+PTR	213-161-107-65.itsa.net.pl
213.161.107.67	A+PTR	213-161-107-67.itsa.net.pl
213.161.107.70	A	213-161-107-70.itsa.net.pl
213.161.107.97	A+PTR	213-161-107-97.itsa.net.pl
213.161.107.98	A+PTR	213-161-107-98.itsa.net.pl
213.161.107.103	A	213-161-107-103.itsa.net.pl
213.161.107.109	A	213-161-107-109.itsa.net.pl
213.161.107.129	A+PTR	213-161-107-129.itsa.net.pl
213.161.107.130	A+PTR	213-161-107-130.itsa.net.pl
213.161.107.131	A+PTR	213-161-107-131.itsa.net.pl
213.161.107.135	A	213-161-107-135.itsa.net.pl
213.161.107.160	A+PTR	213-161-107-160.itsa.net.pl
213.161.107.161	A+PTR	213-161-107-161.itsa.net.pl
213.161.107.165	A	213-161-107-165.itsa.net.pl
213.161.107.167	A	213-161-107-167.itsa.net.pl
213.161.107.193	A+PTR	213-161-107-193.itsa.net.pl
213.161.107.194	A+PTR	213-161-107-194.itsa.net.pl
213.161.107.204	A	213-161-107-204.itsa.net.pl
213.161.107.205	A	213-161-107-205.itsa.net.pl
213.161.107.226	A+PTR	213-161-107-226.itsa.net.pl
213.161.107.230	A	213-161-107-230.itsa.net.pl
213.161.107.239	A	213-161-107-239.itsa.net.pl
213.161.107.244	A	213-161-107-244.itsa.net.pl
213.161.111.255	PTR	213-161-111-255.itsa.net.pl
213.161.112.0	PTR	213-161-112-0.itsa.net.pl
213.161.117.17	A	213-161-117-17.itsa.net.pl
213.161.117.21	A	213-161-117-21.itsa.net.pl
213.161.117.25	A	213-161-117-25.itsa.net.pl
213.161.117.26	A	213-161-117-26.itsa.net.pl
213.161.117.39	A	213-161-117-39.itsa.net.pl
213.161.117.42	A	213-161-117-42.itsa.net.pl
213.161.117.46	A	213-161-117-46.itsa.net.pl
213.161.117.48	A	213-161-117-48.itsa.net.pl
213.161.117.64	A+PTR	213-161-117-64.itsa.net.pl
213.161.117.66	A+PTR	213-161-117-66.itsa.net.pl
213.161.117.71	A	213-161-117-71.itsa.net.pl
213.161.117.75	A	213-161-117-75.itsa.net.pl
213.161.117.97	A+PTR	213-161-117-97.itsa.net.pl
213.161.117.100	A	213-161-117-100.itsa.net.pl
213.161.117.104	A	213-161-117-104.itsa.net.pl
213.161.117.108	A	213-161-117-108.itsa.net.pl
213.161.117.129	A+PTR	213-161-117-129.itsa.net.pl
213.161.117.130	A+PTR	213-161-117-130.itsa.net.pl
213.161.117.137	A	213-161-117-137.itsa.net.pl
213.161.117.138	A	213-161-117-138.itsa.net.pl
213.161.117.160	A+PTR	213-161-117-160.itsa.net.pl
213.161.117.168	A	213-161-117-168.itsa.net.pl
213.161.117.171	A	213-161-117-171.itsa.net.pl
213.161.117.175	A	213-161-117-175.itsa.net.pl
213.161.117.192	A+PTR	213-161-117-192.itsa.net.pl
213.161.117.195	A+PTR	213-161-117-195.itsa.net.pl
213.161.117.214	A	213-161-117-214.itsa.net.pl
213.161.117.215	A	213-161-117-215.itsa.net.pl
213.161.117.230	A	213-161-117-230.itsa.net.pl
213.161.117.247	A	213-161-117-247.itsa.net.pl
213.161.117.252	A	213-161-117-252.itsa.net.pl
213.161.124.77	A+PTR	waw-pan-dsl1.net.itsa.pl
213.161.127.255	A+PTR	213-161-127-255.itsa.net.pl