Robtex

Up: 91.132.4.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 91.132.4.0/24
Down right: 91.132.5.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.132.4.4	A	ns1.ontelecoms.com
91.132.4.4	A	ns1.on.gr
91.132.4.20	A	ns2.bmr.gr
91.132.4.20	A	ns2.ontelecoms.com
91.132.4.93	A	lnp-test01.ontelecoms.com
91.132.4.132	PTR	www.onwebtv.gr
91.132.4.132	A	ondigital.gr
91.132.4.132	A	webontv.gr
91.132.4.133	A	www2.on.gr
91.132.4.134	A+PTR	www3.on.gr
91.132.4.134	A	onbroadband.gr
91.132.4.134	A	www.on.gr
91.132.5.10	A+PTR	hosting.ontelecoms.com
91.132.5.11	PTR	hosting1.ontelecoms.com
91.132.5.11	A	mail.mediatec.gr
91.132.5.11	A	mail.rkitekts.gr
91.132.5.12	A	hosting2.ontelecoms.com
91.132.5.13	A	hosting3.ontelecoms.com
91.132.5.13	A	ns.keramos.gr
91.132.5.13	A	mail.keramos.gr
91.132.5.14	A	hosting4.ontelecoms.com
91.132.5.15	A	hosting5.ontelecoms.com
91.132.5.20	A	smtp01.ontelecoms.com
91.132.5.21	A+PTR	smtp02.ontelecoms.com
91.132.5.25	A	pop.ontelecoms.gr
91.132.5.30	A+PTR	mrelay01.ontelecoms.gr
91.132.5.33	A	owa.ontelecoms.com
91.132.5.34	A	mail.ontelecoms.com
91.132.5.198	A+PTR	speedtest.ontelecoms.gr