Robtex

Up: 192.193.200.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 192.193.204.0/23
Down right: 192.193.206.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.193.204.42	A+PTR	ns1.banamex.com
192.193.204.42	A	ns1.banamex.com.mx
192.193.204.69	A+PTR	lmx1747j-egsl01.nsroot1.com
192.193.204.74	A+PTR	nmxjar-edns01.banamex.com
192.193.204.74	A	nmxjar-edns01.micredito.com
192.193.204.74	A	nmxjar-edns01.credicard.com.br
192.193.204.176	A	uat.mispagosaldia.com
192.193.205.34	A+PTR	citibanamexassetmanagement.com.mx
192.193.205.61	A	mifuturobanamex.fondosbanamex.com
192.193.205.70	A+PTR	www.segurosbanamex.com
192.193.205.70	A	www.segurosbanamex.com.mx
192.193.205.71	A+PTR	solucionesbanamex.com
192.193.205.71	A	solucionesbanamex.com.mx
192.193.205.96	A	boveda.banamex.com.mx
192.193.205.104	A	www.accitrade.com.mx
192.193.205.121	A+PTR	webregionalcob.uat.bancocuscatlan.com
192.193.205.162	A	uat.citibank.com.pa
192.193.205.163	A	uat.citibank.com.gt
192.193.205.164	A	uat.citibank.com.hn
192.193.205.165	A	uat.citibank.com.ni
192.193.205.166	A	uat.citibank.cr
192.193.205.167	A+PTR	uat.citibank.com.sv
192.193.205.174	A+PTR	mispagosaldia.com
192.193.205.199	A+PTR	accigame.banamex.com.mx
192.193.205.203	A	www.accival.com.mx
192.193.205.204	A+PTR	citibanamexassetmanagement.com.mx
192.193.205.204	A	www.fondoshorizontes.com.mx
192.193.205.236	PTR	blink.mx
192.193.205.237	A+PTR	www.uat.brasil.citibank.com
192.193.205.241	A+PTR	citigold.com.br
192.193.206.22	A	citibanamex.com
192.193.206.100	A	portal.banamex.com.mx
192.193.206.152	A+PTR	mailcpx01.banamex.com
192.193.206.154	A+PTR	mailcpx02.banamex.com
192.193.206.175	A+PTR	sicob.banamex.com.mx
192.193.207.41	A+PTR	nmxmty-edns01.banamex.com
192.193.207.41	A	nmxmty-edns01.credicard.com.br
192.193.207.41	A	nmxmty-edns01.banamex.com.mx
192.193.207.42	PTR	ns2.banamex.com