Robtex

Up: 63.245.6.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 63.245.7.0/25
Down right: 63.245.7.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
63.245.7.2	A	meet.columbus-networks.com
63.245.7.3	A+PTR	alerts.columbus.co
63.245.7.3	A	mail.columbus-networks.com
63.245.7.3	A	exchangedb.columbus-networks.com
63.245.7.6	A	mail2.columbus-networks.com
63.245.7.15	A+PTR	mail.kenpolegacy.com