Robtex

Up: 198.161.156.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.161.156.0/25
Down right: 198.161.156.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.161.156.1	A+PTR	clgrps02.agt.net
198.161.156.1	A	ns2.cadvision.com
198.161.156.1	A	clgrps02.telus.net
198.161.156.2	PTR	www.telusplanet.net
198.161.156.3	A	services.telusplanet.net
198.161.156.5	A+PTR	kali.telusplanet.net
198.161.156.8	A	clgrps08.agt.net
198.161.156.10	A	clgrgw02.telus.net
198.161.156.11	A	clgrps07.agt.net
198.161.156.19	A	clgrps04.telusplanet.net
198.161.156.26	A+PTR	clgrps03.telus.net
198.161.156.26	A	ns3.cadvision.com
198.161.156.28	A	clgrgtm01.telus.net
198.161.156.29	A	clgrgtm02.telus.net
198.161.156.30	A	clgrgtm00.telus.net
198.161.156.253	A+PTR	revdns2.telus.com
198.161.156.254	A	clgrsn01.agt.net