Robtex

Up: 89.140.128.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 89.140.128.0/24
Down right: 89.140.129.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.140.128.0	PTR	89.140.128.0.static.user.ono.com
89.140.128.7	A	89.140.128.7.static.user.ono.com
89.140.128.8	PTR	89.140.128.8.static.user.ono.com
89.140.128.8	A	geosistur.com
89.140.128.8	A	geosistur.es
89.140.128.11	A+PTR	89.140.128.11.static.user.ono.com
89.140.128.11	A	www.onneu.es
89.140.128.11	A	euromontyres.com
89.140.128.12	A	descubrecampodebelchite.com
89.140.128.12	A	descubrecampodebelchite.es
89.140.128.56	A	89.140.128.56.static.user.ono.com
89.140.128.95	A+PTR	89.140.128.95.static.user.ono.com
89.140.128.109	A+PTR	correo.gabrielrojas.com
89.140.128.109	A	gabrielrojas.es
89.140.128.109	A	srvcom.gabrielrojas.com
89.140.128.110	PTR	correo2.gabrielrojas.com
89.140.128.144	A	89.140.128.144.static.user.ono.com
89.140.128.175	A+PTR	89.140.128.175.static.user.ono.com
89.140.128.196	A+PTR	89.140.128.196.static.user.ono.com
89.140.128.200	A	correo.laboratorios-argenol.com
89.140.128.200	A	89.140.128.200.static.user.ono.com
89.140.128.202	PTR	89.140.128.202.static.user.ono.com
89.140.128.202	A	fundosva.org
89.140.128.213	PTR	89.140.128.213.static.user.ono.com
89.140.128.213	A	tuemail.es
89.140.128.234	PTR	89.140.128.234.static.user.ono.com
89.140.128.234	A	mail2.alcornordeman.es
89.140.128.234	A	mail.alcornordeman.es
89.140.128.239	A	89.140.128.239.static.user.ono.com
89.140.128.240	A	89.140.128.240.static.user.ono.com
89.140.128.252	A+PTR	89.140.128.252.static.user.ono.com
89.140.128.252	A	mx1.estesa.com
89.140.128.252	A	www.estesa.com
89.140.129.1	A+PTR	89.140.129.1.static.user.ono.com
89.140.129.7	A+PTR	89.140.129.7.static.user.ono.com
89.140.129.20	A+PTR	89.140.129.20.static.user.ono.com
89.140.129.22	A+PTR	89.140.129.22.static.user.ono.com
89.140.129.30	A+PTR	89.140.129.30.static.user.ono.com
89.140.129.31	A+PTR	89.140.129.31.static.user.ono.com
89.140.129.34	A+PTR	89.140.129.34.static.user.ono.com
89.140.129.38	A+PTR	89.140.129.38.static.user.ono.com
89.140.129.43	A+PTR	89.140.129.43.static.user.ono.com
89.140.129.46	A+PTR	89.140.129.46.static.user.ono.com
89.140.129.57	A+PTR	89.140.129.57.static.user.ono.com
89.140.129.59	A+PTR	89.140.129.59.static.user.ono.com
89.140.129.62	A+PTR	89.140.129.62.static.user.ono.com
89.140.129.64	A+PTR	89.140.129.64.static.user.ono.com
89.140.129.72	A+PTR	89.140.129.72.static.user.ono.com
89.140.129.73	A+PTR	89.140.129.73.static.user.ono.com
89.140.129.83	A+PTR	89.140.129.83.static.user.ono.com
89.140.129.85	A+PTR	89.140.129.85.static.user.ono.com
89.140.129.87	A+PTR	89.140.129.87.static.user.ono.com
89.140.129.88	A+PTR	89.140.129.88.static.user.ono.com
89.140.129.90	A+PTR	89.140.129.90.static.user.ono.com
89.140.129.92	A+PTR	89.140.129.92.static.user.ono.com
89.140.129.97	A+PTR	89.140.129.97.static.user.ono.com
89.140.129.100	A+PTR	89.140.129.100.static.user.ono.com
89.140.129.109	A+PTR	89.140.129.109.static.user.ono.com
89.140.129.113	A+PTR	89.140.129.113.static.user.ono.com
89.140.129.119	A+PTR	89.140.129.119.static.user.ono.com
89.140.129.120	A+PTR	89.140.129.120.static.user.ono.com
89.140.129.123	A+PTR	89.140.129.123.static.user.ono.com
89.140.129.124	A+PTR	89.140.129.124.static.user.ono.com
89.140.129.130	A+PTR	89.140.129.130.static.user.ono.com
89.140.129.140	A+PTR	89.140.129.140.static.user.ono.com
89.140.129.142	A+PTR	89.140.129.142.static.user.ono.com
89.140.129.143	A+PTR	89.140.129.143.static.user.ono.com
89.140.129.152	A+PTR	89.140.129.152.static.user.ono.com
89.140.129.154	A+PTR	89.140.129.154.static.user.ono.com
89.140.129.156	A+PTR	89.140.129.156.static.user.ono.com
89.140.129.161	A+PTR	89.140.129.161.static.user.ono.com
89.140.129.174	A+PTR	89.140.129.174.static.user.ono.com
89.140.129.176	A+PTR	89.140.129.176.static.user.ono.com
89.140.129.185	A+PTR	89.140.129.185.static.user.ono.com
89.140.129.193	A+PTR	89.140.129.193.static.user.ono.com
89.140.129.196	A+PTR	89.140.129.196.static.user.ono.com
89.140.129.201	A+PTR	89.140.129.201.static.user.ono.com
89.140.129.204	A+PTR	89.140.129.204.static.user.ono.com
89.140.129.215	A+PTR	89.140.129.215.static.user.ono.com
89.140.129.217	A+PTR	89.140.129.217.static.user.ono.com
89.140.129.218	A+PTR	89.140.129.218.static.user.ono.com
89.140.129.221	A+PTR	89.140.129.221.static.user.ono.com
89.140.129.225	A+PTR	89.140.129.225.static.user.ono.com
89.140.129.232	A+PTR	89.140.129.232.static.user.ono.com
89.140.129.239	A+PTR	89.140.129.239.static.user.ono.com
89.140.129.252	A+PTR	89.140.129.252.static.user.ono.com