Robtex

Up: 209.28.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 209.28.172.0/23
Down right: 209.28.174.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.28.174.13	PTR	luci13.infonet.com
209.28.174.13	A	wizard.infonet.com
209.28.174.22	A	btinfonet.com
209.28.174.22	A	infonet.com
209.28.174.22	A	www.infonet.lu
209.28.174.25	A	databeam.infonet.com
209.28.174.30	PTR	luci30.infonet.com
209.28.174.56	PTR	luci56.infonet.com
209.28.174.57	A	luci57.infonet.com
209.28.174.61	A	luci61.infonet.com