Robtex

Up: 194.225.90.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 194.225.91.0/25
Down right: 194.225.91.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.225.91.4	PTR	a4.tums.ac.ir
194.225.91.10	PTR	mx1.irandoc.ac.ir
194.225.91.10	PTR	mail2.irandoc.ac.ir
194.225.91.10	A	oaw.irandoc.ac.ir
194.225.91.12	A	intranet.irandoc.ac.ir
194.225.91.20	A+PTR	mx1.irandoc.ac.ir
194.225.91.20	A+PTR	mail.irandoc.ac.ir
194.225.91.20	PTR	oaw.irandoc.ac.ir
194.225.91.27	PTR	a27.tums.ac.ir
194.225.91.30	PTR	a30.tums.ac.ir
194.225.91.36	PTR	razi.tums.ac.ir
194.225.91.44	PTR	proxy.tums.ac.ir
194.225.91.44	PTR	vakil.tums.ac.ir
194.225.91.57	PTR	a57.tums.ac.ir
194.225.91.65	PTR	ghodsi.tums.ac.ir
194.225.91.70	PTR	a70.tums.ac.ir
194.225.91.70	A	mail.irandoc.ac.ir
194.225.91.73	PTR	a73.tums.ac.ir
194.225.91.81	PTR	a81.tums.ac.ir
194.225.91.92	PTR	a92.tums.ac.ir
194.225.91.94	PTR	a94.tums.ac.ir