Robtex

Up: 201.149.254.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 201.149.255.0/25
Down right: 201.149.255.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.149.255.22	A	ns4.interfactura.com
201.149.255.22	A	ns4.wansoft.net
201.149.255.26	A	mail.backtrend.com
201.149.255.26	A	mail.ditobusiness.com
201.149.255.26	A	mail.ifel.com.mx
201.149.255.27	A	mail2.interfactura.com
201.149.255.28	A	mail.casacompara.com.mx
201.149.255.28	A	mail.nocnok.com
201.149.255.28	A	mail.casacompara.com
201.149.255.29	A	mail.e-si.com.mx
201.149.255.29	A	mail.dito.mx
201.149.255.30	A+PTR	fix-201-149-255-30.totalplay.net
201.149.255.34	PTR	fix-201-149-255-34.totalplay.net
201.149.255.34	A	arsis.com.mx
201.149.255.34	A	ns1.ifel.com.mx
201.149.255.35	PTR	fix-201-149-255-35.totalplay.net
201.149.255.35	A	arsis.com.mx
201.149.255.35	A	interenlaces.com.mx
201.149.255.41	PTR	fix-201-149-255-41.totalplay.net
201.149.255.41	A	ifel.com.mx
201.149.255.46	A	op.interfactura.com
201.149.255.46	A	mail.facturaelectronica.mx
201.149.255.49	PTR	fix-201-149-255-49.totalplay.net
201.149.255.49	A	mz-49.interfactura.com
201.149.255.60	A	ejemplopro2.com
201.149.255.60	A	outletdeinmuebles.com
201.149.255.148	PTR	mail.technosteel.com.mx
201.149.255.255	PTR	fix-201-149-255.iusacell.net