Robtex

Up: 192.189.160.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.189.161.0/25
Down right: 192.189.161.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.189.161.11	A	lstc.lstc.com
192.189.161.14	A	lstc.com
192.189.161.16	A+PTR	awg.lstc.com
192.189.161.17	A+PTR	portal4.lstc.com
192.189.161.17	A	portal.lstc.com
192.189.161.18	A+PTR	www-beta.lstc.com
192.189.161.19	A+PTR	smtp-ext-3.lstc.com
192.189.161.19	A	smtp-ext.lstc.com
192.189.161.19	A	smtp-ext-2.lstc.com
192.189.161.20	A+PTR	smtp-ext-4.lstc.com
192.189.161.23	A+PTR	bell.lstc.com
192.189.161.26	A+PTR	topcrunch.lstc.com
192.189.161.26	A	www.topcrunch.org
192.189.161.27	A+PTR	ftp.lstc.com
192.189.161.28	A	ns.lstc.com