Robtex

Up: 198.80.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 198.80.52.0/23
Down right: 198.80.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.80.52.45	A+PTR	tas-edtngw01.telus.net
198.80.52.204	A+PTR	pwd-edtnkdbx01.telus.net
198.80.53.4	A+PTR	tmstgw01.telus.net
198.80.53.4	A	ipmgw01.telus.net
198.80.53.45	A	merlin.telus.net
198.80.53.60	A+PTR	edtnlb100.telus.net
198.80.53.61	A	edtnlb101.telus.net
198.80.53.139	PTR	mx.emailqa.telus.net
198.80.53.226	A	edmrad1.telus.net
198.80.53.230	PTR	infranetsw4002.telus.net
198.80.54.116	A	nat-lp97926.telus.net
198.80.54.118	A+PTR	nat-lp97928.telus.net
198.80.55.1	A+PTR	clgrps01.agt.net
198.80.55.1	A	clgrps01.telus.net
198.80.55.1	A	clgrps01.telusplanet.net
198.80.55.4	A+PTR	clgrlb128vip.telus.net
198.80.55.5	A+PTR	clgrlb128dns.telus.net
198.80.55.5	A	registerdevice.telus.net
198.80.55.7	A	clgras06.agt.net
198.80.55.9	A	clgrps09.telusplanet.net
198.80.55.11	A	clgrps06.agt.net
198.80.55.13	A+PTR	clgrps13.telusplanet.net
198.80.55.15	A	clgrgw01.telus.net
198.80.55.63	A+PTR	cg7art21.telus.net
198.80.55.64	A+PTR	cg7art22.telus.net
198.80.55.66	PTR	cg7art11.telus.net
198.80.55.67	PTR	cg7art12.telus.net
198.80.55.192	A+PTR	cg7art11b-vlan1.agt.net
198.80.55.194	A	cg7art12b-vlan1.agt.net
198.80.55.210	A+PTR	clgrdnsout01.telus.net
198.80.55.211	A+PTR	clgrdnsout02.telus.net
198.80.55.220	A	dns1.telus.net
198.80.55.220	A	ns01.telus.net
198.80.55.241	A+PTR	cg7avpn01.telus.net
198.80.55.242	A	cg7avpn02.telus.net