Robtex

Up: 203.21.112.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.21.116.0/23
Down right: 203.21.118.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.21.116.140	A+PTR	speedtest-be.vodafone.com.au
203.21.116.140	A+PTR	speedtest-be2.vodafone.com.au
203.21.116.140	A+PTR	speedtest-be1.vodafone.com.au
203.21.117.140	A	ae.speedtest.vodafone.com.au
203.21.118.140	A	ph.speedtest.vodafone.com.au