Robtex

Up: 115.189.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 115.189.240.0/21
Down right: 115.189.248.0/21

IP	Type	Hostname
115.189.240.86	PTR	115-189-240-86.mobile.telecom.co.nz
115.189.240.156	PTR	115-189-240-156.mobile.spark.co.nz
115.189.241.64	PTR	115-189-241-64.mobile.telecom.co.nz
115.189.244.142	PTR	115-189-244-142.mobile.telecom.co.nz
115.189.251.119	A+PTR	115-189-251-119.mobile.spark.co.nz
115.189.252.56	PTR	115-189-252-56.mobile.telecom.co.nz
115.189.255.255	A+PTR	115-189-255-255.mobile.spark.co.nz