Robtex

Up: 187.189.250.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 187.189.250.0/25
Down right: 187.189.250.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
187.189.250.164	A+PTR	fixed-187-189-250-164.totalplay.net
187.189.250.179	A	dns1.secomex.com.mx
187.189.250.181	A+PTR	mail.gmnet.mx
187.189.250.211	PTR	tuk.com.mx
187.189.250.211	A	barracuda.tuk.com.mx
187.189.250.212	PTR	fixed-189-250-187-189-250-212.iusacell.net
187.189.250.212	A	tuk.com.mx
187.189.250.212	A	medicel.com.mx
187.189.250.214	PTR	fixed-189-250-187-189-250-214.iusacell.net
187.189.250.214	A	tuk-stik.mx
187.189.250.214	A	tukstik.com.mx
187.189.250.236	PTR	fixed-189-250-236.iusacell.net