Robtex

Up: 89.248.112.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 89.248.120.0/22
Down right: 89.248.124.0/22

IP	Type	Hostname
89.248.120.0	PTR	89.248.120.0
89.248.120.0	A	0.120.248.89.in-addr.arpa
89.248.120.167	A+PTR	167.120.248.89.in-addr.arpa
89.248.120.201	PTR	201.120.248.89.in-addr.arpa
89.248.121.0	A+PTR	0.121.248.89.in-addr.arpa
89.248.121.161	PTR	89.248.121.161
89.248.121.161	A	ns2.linux16.net
89.248.122.0	A+PTR	0.122.248.89.in-addr.arpa
89.248.122.165	A	mail.del-ko.ru
89.248.122.165	PTR	89.248.122.165
89.248.123.0	A+PTR	0.123.248.89.in-addr.arpa
89.248.124.0	A+PTR	0.124.248.89.in-addr.arpa
89.248.124.5	PTR	autodiscover.rostar.biz
89.248.124.5	A+PTR	mail2.rostar.biz
89.248.124.5	A	5.124.248.89.in-addr.arpa
89.248.124.51	A+PTR	51.124.248.89.in-addr.arpa
89.248.125.0	A+PTR	0.125.248.89.in-addr.arpa
89.248.125.7	A+PTR	7.125.248.89.in-addr.arpa
89.248.125.17	A+PTR	17.125.248.89.in-addr.arpa
89.248.125.30	A+PTR	30.125.248.89.in-addr.arpa
89.248.125.46	A+PTR	46.125.248.89.in-addr.arpa
89.248.125.50	A+PTR	50.125.248.89.in-addr.arpa
89.248.125.51	A+PTR	51.125.248.89.in-addr.arpa
89.248.125.70	A+PTR	70.125.248.89.in-addr.arpa
89.248.125.77	A+PTR	77.125.248.89.in-addr.arpa
89.248.125.97	A+PTR	97.125.248.89.in-addr.arpa
89.248.125.116	A+PTR	116.125.248.89.in-addr.arpa
89.248.125.119	A+PTR	119.125.248.89.in-addr.arpa
89.248.125.129	A+PTR	129.125.248.89.in-addr.arpa
89.248.125.132	A+PTR	132.125.248.89.in-addr.arpa
89.248.125.139	A+PTR	139.125.248.89.in-addr.arpa
89.248.125.151	A+PTR	151.125.248.89.in-addr.arpa
89.248.125.163	A+PTR	163.125.248.89.in-addr.arpa
89.248.125.167	A+PTR	167.125.248.89.in-addr.arpa
89.248.125.169	A+PTR	169.125.248.89.in-addr.arpa
89.248.125.172	A+PTR	172.125.248.89.in-addr.arpa
89.248.125.189	A+PTR	189.125.248.89.in-addr.arpa
89.248.125.192	A+PTR	192.125.248.89.in-addr.arpa
89.248.125.199	A+PTR	199.125.248.89.in-addr.arpa
89.248.125.200	A+PTR	200.125.248.89.in-addr.arpa
89.248.125.214	A+PTR	214.125.248.89.in-addr.arpa
89.248.125.217	A+PTR	217.125.248.89.in-addr.arpa
89.248.125.219	A+PTR	219.125.248.89.in-addr.arpa
89.248.125.224	A+PTR	224.125.248.89.in-addr.arpa
89.248.125.231	A+PTR	231.125.248.89.in-addr.arpa
89.248.125.234	A+PTR	234.125.248.89.in-addr.arpa
89.248.125.241	A+PTR	241.125.248.89.in-addr.arpa
89.248.125.250	A+PTR	250.125.248.89.in-addr.arpa
89.248.126.0	A+PTR	0.126.248.89.in-addr.arpa
89.248.126.206	A+PTR	206.126.248.89.in-addr.arpa
89.248.127.0	A+PTR	0.127.248.89.in-addr.arpa