Robtex

Up: 206.46.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 206.46.80.0/23
Down right: 206.46.82.0/23

IP	Type	Hostname
206.46.80.13	A	zxa20333.lanisdn-gte.net
206.46.80.40	A	zxa20360.lanisdn-gte.net
206.46.80.88	A	zxa20408.lanisdn-gte.net
206.46.80.223	A	zxa20543.lanisdn-gte.net
206.46.80.225	A	zxa20545.lanisdn-gte.net
206.46.80.227	A+PTR	zxa20547.lanisdn-gte.net
206.46.83.18	A	zxa21100.lanisdn-gte.net