Robtex

Up: 87.101.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 87.101.68.0/23
Down right: 87.101.70.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.101.68.2	PTR	bart.nowiny.net
87.101.68.2	A	nowiny.net
87.101.68.2	A	www.portal.nowiny.net
87.101.68.20	A	host-87-101-68-20.nowiny.net
87.101.68.45	A	host-87-101-68-45.nowiny.net
87.101.68.104	A	beatahadas.com
87.101.68.109	A	host-87-101-68-109.nowiny.net
87.101.68.134	A	host-87-101-68-134.nowiny.net
87.101.68.153	A	host-87-101-68-153.nowiny.net
87.101.68.155	PTR	static-87-101-68-155.leon.com.pl
87.101.68.155	A	host-87-101-68-155.nowiny.net
87.101.68.189	A+PTR	static-87-101-68-189.leon.com.pl
87.101.68.189	A	remote.bbsoft.com.pl
87.101.68.189	A	srv1.bbsoft.com.pl
87.101.68.190	A	host-87-101-68-190.nowiny.net
87.101.68.206	A	host-87-101-68-206.nowiny.net
87.101.68.211	PTR	static-87-101-68-211.leon.com.pl.68.101.87.in-addr.arpa
87.101.68.211	A	hannibal.nowiny.net
87.101.68.245	A	host-87-101-68-245.nowiny.net
87.101.69.11	A	host-87-101-69-11.nowiny.net
87.101.69.50	A	host-87-101-69-50.nowiny.net
87.101.69.66	A	host-87-101-69-66.nowiny.net
87.101.69.73	A	host-87-101-69-73.nowiny.net
87.101.69.82	A	host-87-101-69-82.nowiny.net
87.101.69.94	A+PTR	static-87-101-69-94.leon.com.pl
87.101.69.114	A	host-87-101-69-114.nowiny.net
87.101.69.115	A	host-87-101-69-115.nowiny.net
87.101.69.130	A	host-87-101-69-130.nowiny.net
87.101.69.168	A+PTR	static-87-101-69-168.leon.com.pl
87.101.69.174	A+PTR	static-87-101-69-174.leon.com.pl
87.101.69.174	A	host-87-101-69-174.nowiny.net
87.101.69.175	A	host-87-101-69-175.nowiny.net
87.101.69.184	A	host-87-101-69-184.nowiny.net
87.101.69.192	A	host-87-101-69-192.nowiny.net
87.101.69.220	A	host-87-101-69-220.nowiny.net
87.101.69.228	PTR	static-87-101-69-228.leon.com.pl
87.101.69.232	A	host-87-101-69-232.nowiny.net
87.101.70.49	A	host-87-101-70-49.nowiny.net
87.101.70.56	A	host-87-101-70-56.nowiny.net
87.101.70.58	A	host-87-101-70-58.nowiny.net
87.101.70.88	A	host-87-101-70-88.nowiny.net
87.101.70.92	PTR	static-87-101-70-92.leon.com.pl
87.101.70.109	A	host-87-101-70-109.nowiny.net
87.101.70.138	A	host-87-101-70-138.nowiny.net
87.101.70.202	PTR	static-87-101-70-202.leon.com.pl
87.101.70.206	A	host-87-101-70-206.nowiny.net
87.101.70.213	A	host-87-101-70-213.nowiny.net
87.101.70.230	A	host-87-101-70-230.nowiny.net
87.101.70.240	A	host-87-101-70-240.nowiny.net
87.101.70.248	A	host-87-101-70-248.nowiny.net
87.101.71.1	PTR	static-87-101-71-1.leon.com.pl
87.101.71.3	PTR	static-87-101-71-3.leon.com.pl
87.101.71.7	A	host-87-101-71-7.nowiny.net
87.101.71.13	PTR	static-87-101-71-13.leon.com.pl
87.101.71.26	A	host-87-101-71-26.nowiny.net
87.101.71.37	A	host-87-101-71-37.nowiny.net
87.101.71.53	A	host-87-101-71-53.nowiny.net
87.101.71.109	A	host-87-101-71-109.nowiny.net
87.101.71.114	PTR	static-87-101-71-114.leon.com.pl
87.101.71.114	A	host-87-101-71-114.nowiny.net
87.101.71.131	A+PTR	static-87-101-71-131.leon.com.pl
87.101.71.149	PTR	static-87-101-71-149.leon.com.pl
87.101.71.149	A	host-87-101-71-149.nowiny.net