Robtex

Up: 81.21.32.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 81.21.33.0/25
Down right: 81.21.33.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.21.33.2	A	colsw-vlan1.callsat-telecom.com
81.21.33.9	PTR	static-33-9.callsat-telecom.com
81.21.33.11	PTR	static-33-11.callsat-telecom.com
81.21.33.12	PTR	static-33-12.callsat-telecom.com
81.21.33.15	PTR	static-33-15.callsat-telecom.com
81.21.33.17	A+PTR	n7206-ge-0-3-10.callsat-telecom.com
81.21.33.18	A+PTR	static-33-18.callsat-telecom.com
81.21.33.18	A	lp.sharelink.com.cy
81.21.33.22	A+PTR	static-33-22.callsat-telecom.com
81.21.33.22	A	mail1.sharelinkonline.com
81.21.33.23	A+PTR	static-33-23.callsat-telecom.com
81.21.33.26	A+PTR	static-33-26.callsat-telecom.com
81.21.33.28	A+PTR	static-33-28.callsat-telecom.com
81.21.33.33	PTR	n7206-ge-0-3-30.callsat-telecom.com
81.21.33.37	A+PTR	static-33-37.callsat-telecom.com
81.21.33.42	A	static-33-42.callsat-telecom.com
81.21.33.43	A+PTR	static-33-43.callsat-telecom.com
81.21.33.49	A+PTR	n7206-ge-0-3-11.callsat-telecom.com
81.21.33.58	PTR	static-33-58.callsat-telecom.com
81.21.33.62	PTR	static-33-62.callsat-telecom.com
81.21.33.62	A	mediviewcy.com
81.21.33.62	A	fourth-house.com
81.21.33.67	A+PTR	static-33-67.callsat-telecom.com
81.21.33.69	PTR	static-33-69.callsat-telecom.com
81.21.33.70	PTR	static-33-70.callsat-telecom.com
81.21.33.70	A	eat365.net
81.21.33.71	A+PTR	static-33-71.callsat-telecom.com
81.21.33.78	A+PTR	static-33-78.callsat-telecom.com
81.21.33.83	A+PTR	static-33-83.callsat-telecom.com
81.21.33.84	A+PTR	static-33-84.callsat-telecom.com
81.21.33.85	A+PTR	static-33-85.callsat-telecom.com
81.21.33.89	A+PTR	static-33-89.callsat-telecom.com
81.21.33.92	A+PTR	static-33-92.callsat-telecom.com
81.21.33.106	PTR	www.irisspa.com.cy
81.21.33.106	A	kysyte.org
81.21.33.106	A	tamassos.org
81.21.33.108	PTR	static-33-108.callsat-telecom.com
81.21.33.108	A	mocassino.com.cy
81.21.33.109	PTR	static-33-109.callsat-telecom.com
81.21.33.109	A	ideas2live.com
81.21.33.109	A	cpcaccountants.com
81.21.33.111	PTR	static-33-111.callsat-telecom.com
81.21.33.116	PTR	static-33-116.callsat-telecom.com
81.21.33.117	PTR	static-33-117.callsat-telecom.com
81.21.33.118	PTR	static-33-118.callsat-telecom.com
81.21.33.119	PTR	static-33-119.callsat-telecom.com
81.21.33.126	PTR	static-33-126.callsat-telecom.com
81.21.33.126	A	freesteria.com
81.21.33.126	A	yemancy.com
81.21.33.130	A+PTR	mail.advact.org
81.21.33.130	A	ns.advact.net
81.21.33.130	A	advact.net
81.21.33.132	A+PTR	mail1.advact.org
81.21.33.132	A	ns1.advact.net
81.21.33.132	A	ns1.advact.org
81.21.33.144	PTR	static-33-144.callsat-telecom.com
81.21.33.146	PTR	static-33-146.callsat-telecom.com
81.21.33.146	A	betonfair.com
81.21.33.146	A	betonalfasports.com
81.21.33.147	PTR	static-33-147.callsat-telecom.com
81.21.33.149	PTR	static-33-149.callsat-telecom.com
81.21.33.152	PTR	static-33-152.callsat-telecom.com
81.21.33.159	PTR	static-33-159.callsat-telecom.com
81.21.33.162	PTR	static-33-162.callsat-telecom.com
81.21.33.172	PTR	static-33-172.callsat-telecom.com
81.21.33.183	PTR	static-33-183.callsat-telecom.com
81.21.33.188	PTR	static-33-188.callsat-telecom.com
81.21.33.190	PTR	static-33-190.callsat-telecom.com
81.21.33.199	PTR	static-33-199.callsat-telecom.com
81.21.33.201	PTR	static-33-201.callsat-telecom.com
81.21.33.203	PTR	static-33-203.callsat-telecom.com
81.21.33.211	PTR	static-33-211.callsat-telecom.com
81.21.33.212	PTR	static-33-212.callsat-telecom.com
81.21.33.214	PTR	static-33-214.callsat-telecom.com
81.21.33.216	PTR	static-33-216.callsat-telecom.com
81.21.33.219	PTR	static-33-219.callsat-telecom.com
81.21.33.227	PTR	static-33-227.callsat-telecom.com
81.21.33.229	PTR	static-33-229.callsat-telecom.com
81.21.33.233	PTR	static-33-233.callsat-telecom.com
81.21.33.234	PTR	static-33-234.callsat-telecom.com
81.21.33.239	PTR	static-33-239.callsat-telecom.com
81.21.33.241	PTR	static-33-241.callsat-telecom.com
81.21.33.242	PTR	static-33-242.callsat-telecom.com
81.21.33.244	PTR	static-33-244.callsat-telecom.com
81.21.33.246	PTR	static-33-246.callsat-telecom.com
81.21.33.251	PTR	static-33-251.callsat-telecom.com
81.21.33.252	PTR	static-33-252.callsat-telecom.com
81.21.33.253	PTR	static-33-253.callsat-telecom.com