Robtex

Up: 192.193.8.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.193.8.0/25
Down right: 192.193.8.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.193.8.22	A+PTR	universalcard.mobi
192.193.8.22	A	citi.mobi
192.193.8.22	A	universalcards.mobi
192.193.8.23	A	secureaccess.nam.citigroup.com
192.193.8.35	A	studentloan.citibank.com
192.193.8.38	A	chat.banamex.com
192.193.8.43	A	secureaccessweb.nam.citigroup.com
192.193.8.49	A	disputes.accountonline.com
192.193.8.54	A	citiretailservices.load.citibankonline.com
192.193.8.56	A	globalmobilelatam.citibankonline.com
192.193.8.88	PTR	sit.remoteao.citibanamex.com
192.193.8.88	A	regionalmobilelatam.citibankonline.com
192.193.8.90	A	citibank.com.ve
192.193.8.93	A	www.brasil.citibank.com
192.193.8.94	A	www.edelivery.gts.citi.com
192.193.8.95	PTR	citi.com.uy
192.193.8.95	A	citicards.com.br
192.193.8.95	A	citibank.com.py
192.193.8.97	A+PTR	citibank.com.uy
192.193.8.97	A	www.citibank.com.uy
192.193.8.101	A+PTR	accountonline.com
192.193.8.101	A	businessaccountonline.com
192.193.8.101	A	registermyaccount.com
192.193.8.102	A+PTR	citibanamexcard.com
192.193.8.102	A	citibanamexcards.com
192.193.8.102	A	citibankcards.com
192.193.8.104	A+PTR	preprod.online.citi.com
192.193.8.104	A	myciti.com
192.193.8.104	A	citibankonline.com
192.193.8.141	PTR	citibank.com.ar
192.193.8.141	A	citigold.com.ar
192.193.8.141	A	www.citibank.com.ar
192.193.8.144	PTR	citibank.eco.br
192.193.8.144	A	www.dinersclub.com.br
192.193.8.144	A	diners.com.br
192.193.8.145	PTR	uat3.bancanet.citibanamex.com
192.193.8.145	A	citi.com.co
192.193.8.145	A	citivalores.com
192.193.8.146	A+PTR	citigold.co
192.193.8.147	PTR	citi.hn
192.193.8.147	A	citi.com.hn
192.193.8.147	A	citibank.com.ni
192.193.8.176	A+PTR	citibanamex.com
192.193.8.176	A	banamex.com.mx
192.193.8.176	A	banamex.com
192.193.8.178	A	www.emaildelivery.banamex.com.mx
192.193.8.196	A	uat.agentsite.com