Robtex

Up: 134.159.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 134.159.4.0/23
Down right: 134.159.6.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
134.159.4.0	PTR	unknown.telstraglobal.net
134.159.4.1	A+PTR	hht09.telstraglobal.net
134.159.4.6	A+PTR	hk-webserver.telstraglobal.net
134.159.4.6	A	hk-webserver.net.reach.com
134.159.4.8	PTR	hk-mediator.telstraglobal.net
134.159.4.8	A	hk-mediator.net.reach.com
134.159.4.9	PTR	unknown.telstraglobal.net
134.159.4.9	A	hk-newstransit.net.reach.com
134.159.4.9	A	hk-newstransit.telstraglobal.net
134.159.4.10	PTR	hk-netops.telstraglobal.net
134.159.4.10	PTR	rr.telstraglobal.net
134.159.4.10	A	hk-netops.net.reach.com
134.159.4.70	PTR	unknown.telstraglobal.net
134.159.4.135	A+PTR	hk-postoffice.telstraglobal.net
134.159.4.135	A	postoffice.telstraglobal.net
134.159.4.135	A	hk-postoffice.net.reach.com
134.159.4.136	A+PTR	hk-newstransit.telstraglobal.net
134.159.4.136	A	hk-newstransit.net.reach.com
134.159.4.137	A+PTR	hk-newstransit.telstraglobal.net
134.159.4.137	A	hk-newstransit.net.reach.com
134.159.4.144	A+PTR	ns2.telstraglobal.net
134.159.4.144	A	ns2.net.reach.com
134.159.4.211	PTR	unknown.telstraglobal.net
134.159.4.252	PTR	unknown.telstraglobal.net
134.159.7.1	PTR	unknown.telstraglobal.net
134.159.7.187	PTR	unknown.telstraglobal.net