Robtex

Up: 206.47.197.0/26
Can't show all results, try to descend to a more specific CIDR
Down left: 206.47.197.0/28
Down right: 206.47.197.16/28
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.47.197.2	A	hq.aastra.com
206.47.197.8	A	aastra.ch
206.47.197.8	A	aastra.net
206.47.197.8	A	aastra.hu
206.47.197.9	A	cns2.aastra.com
206.47.197.17	A+PTR	mail.aastra.com
206.47.197.18	A+PTR	mail3.aastra.com
206.47.197.19	A+PTR	ns3.aastra.ch