Robtex

Up: 31.25.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 31.25.72.0/22
Down right: 31.25.76.0/22

IP	Type	Hostname
31.25.72.0	PTR	31.25.72.0.callu.ps
31.25.72.16	PTR	pmrs.dyndns.org
31.25.72.40	PTR	31.25.72.40.callu.ps
31.25.73.161	PTR	31.25.73.161.callu.ps.73.25.31.in-addr.arpa
31.25.74.87	A	koorabook.tk
31.25.75.58	PTR	31.25.75.58.callu.ps
31.25.75.129	PTR	31.25.75.129.callu.ps
31.25.75.251	PTR	31.25.75.251.callu.ps
31.25.76.9	PTR	31.25.76.9.callu.ps.76.25.31.in-addr.arpa
31.25.76.18	PTR	31.25.76.18.callu.ps.76.25.31.in-addr.arpa
31.25.76.25	PTR	31.25.76.25.callu.ps.76.25.31.in-addr.arpa
31.25.76.80	PTR	31.25.76.80.callu.ps.76.25.31.in-addr.arpa
31.25.76.82	PTR	31.25.76.82.callu.ps.76.25.31.in-addr.arpa
31.25.76.136	PTR	31.25.76.136.callu.ps.76.25.31.in-addr.arpa
31.25.76.147	PTR	31.25.76.147.callu.ps.76.25.31.in-addr.arpa
31.25.76.200	PTR	31.25.76.200.callu.ps.76.25.31.in-addr.arpa
31.25.76.224	PTR	31.25.76.224.callu.ps.76.25.31.in-addr.arpa
31.25.77.96	PTR	31.25.77.96.callu.ps
31.25.78.2	PTR	31.25.78.2.callu.ps
31.25.78.25	PTR	31.25.78.25.callu.ps
31.25.78.35	PTR	31.25.78.35.callu.ps
31.25.78.200	PTR	31.25.78.200.callu.ps
31.25.79.0	PTR	31.25.79.0.callu.ps
31.25.79.48	PTR	31.25.79.48.callu.ps