Robtex

Up: 207.253.6.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 207.253.6.0/25
Down right: 207.253.6.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
207.253.6.2	A+PTR	static-2.nunetworx.com
207.253.6.6	A+PTR	www.nunetworx.com
207.253.6.6	A	mldyn.com
207.253.6.6	A	nunetworx.net
207.253.6.7	A+PTR	ns1.nunetworx.com
207.253.6.7	A	ns1.ipworx.ca
207.253.6.7	A	ns1.engival.com
207.253.6.9	A+PTR	ns2.nunetworx.com
207.253.6.9	A	ns2.ipworx.ca
207.253.6.9	A	ns2.engival.com
207.253.6.25	A+PTR	static-25.nunetworx.com
207.253.6.25	A	foneworx.ca
207.253.6.25	A	nuip.ca
207.253.6.26	A	engival.com