Robtex

Up: 200.57.86.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 200.57.87.0/25
Down right: 200.57.87.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.57.87.1	PTR	ptr.kionetworks.com
200.57.87.2	PTR	www.metronet.com.mx
200.57.87.3	PTR	www.metronet.com.mx
200.57.87.5	PTR	ptr.kionetworks.com
200.57.87.14	PTR	customer-14.xertix.com
200.57.87.14	A	l2b.com.mx
200.57.87.17	PTR	customer-17.xertix.com
200.57.87.32	PTR	ptr.kionetworks.com
200.57.87.33	PTR	dns.xertix.com
200.57.87.33	A	dns.harmonhall.com
200.57.87.33	A	dns.aonbanca.com
200.57.87.34	PTR	dns2.xertix.net.mx
200.57.87.34	A	dns3.citypremios.com.mx
200.57.87.34	A	dns3.empemex.com
200.57.87.38	PTR	customer-38.xertix.com
200.57.87.38	A	dns2.pseguros.com.mx
200.57.87.38	A	dns3.mtcpos.com.mx
200.57.87.39	PTR	ptr.kionetworks.com
200.57.87.39	A	garse.com
200.57.87.39	A	garse.com.mx
200.57.87.40	PTR	customer-40.xertix.com
200.57.87.45	PTR	customer-45.xertix.com
200.57.87.57	PTR	customer-57.xertix.com
200.57.87.57	A	www.disitem.com.mx
200.57.87.57	A	webxertix.disitem.com.mx
200.57.87.61	PTR	dns2.xertix.com
200.57.87.65	PTR	otan.xertix.com
200.57.87.66	PTR	ptr.kionetworks.com
200.57.87.66	A	ods.com.mx
200.57.87.66	A	www.ods.com.mx
200.57.87.73	PTR	ptr.kionetworks.com
200.57.87.77	A	mail.xertix.com.mx
200.57.87.92	PTR	customer-92.xertix.com
200.57.87.110	PTR	customer-110.xertix.com
200.57.87.116	PTR	ptr.kionetworks.com
200.57.87.120	PTR	ptr.kionetworks.com
200.57.87.129	PTR	customer-129.xertix.com
200.57.87.132	PTR	customer-132.xertix.com
200.57.87.134	PTR	customer-134.xertix.com
200.57.87.142	PTR	customer-142.xertix.com
200.57.87.148	PTR	customer-148.xertix.com
200.57.87.150	PTR	customer-150.xertix.com
200.57.87.155	PTR	ptr.kionetworks.com
200.57.87.159	PTR	ptr.kionetworks.com
200.57.87.162	PTR	customer-162.xertix.com
200.57.87.163	PTR	customer-163.xertix.com
200.57.87.164	PTR	customer-164.xertix.com
200.57.87.165	PTR	customer-165.xertix.com
200.57.87.166	PTR	customer-166.xertix.com
200.57.87.167	PTR	customer-167.xertix.com
200.57.87.176	PTR	customer-176.xertix.com
200.57.87.177	PTR	ptr.kionetworks.com
200.57.87.180	PTR	customer-180.xertix.com
200.57.87.183	PTR	customer-183.xertix.com
200.57.87.188	PTR	customer-188.xertix.com
200.57.87.190	PTR	customer-190.xertix.com
200.57.87.196	PTR	customer-196.xertix.com
200.57.87.197	PTR	customer-197.xertix.com
200.57.87.200	PTR	customer-200.xertix.com
200.57.87.202	PTR	ptr.kionetworks.com
200.57.87.206	PTR	customer-206.xertix.com
200.57.87.207	PTR	customer-207.xertix.com
200.57.87.208	PTR	customer-208.xertix.com
200.57.87.210	PTR	customer-210.xertix.com
200.57.87.213	PTR	ptr.kionetworks.com
200.57.87.247	PTR	ptr.kionetworks.com
200.57.87.250	PTR	customer-250.xertix.com
200.57.87.250	A	sally.com.mx
200.57.87.250	A	www.sallymexico.com
200.57.87.255	PTR	customer-250.xertix.com