Robtex

Up: 138.186.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 138.186.60.0/23
Down right: 138.186.62.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.186.60.8	PTR	host8.teisa.com.py
138.186.60.89	A	baic.com.py
138.186.60.89	A	www.baic.com.py
138.186.60.90	PTR	host90.teisa.com.py
138.186.60.90	A	mail.timbo.com.py
138.186.60.90	A	timbo.com.py
138.186.60.106	PTR	mail.bristol.com.py
138.186.60.110	PTR	mail.cofudep.coop.py
138.186.60.110	A	www.cofudep.coop.py
138.186.60.138	A+PTR	mail.workway.com.py
138.186.60.138	A	workway.com.py
138.186.60.178	PTR	host178.teisa.com.py
138.186.60.178	A	mail.ste.com.py
138.186.60.178	A	credicentro.com.py
138.186.60.179	PTR	mail.credicentro.com.py
138.186.60.238	PTR	host238.teisa.com.py
138.186.61.14	PTR	host14.teisa.com.py
138.186.61.14	A	planet-outlet.com.py
138.186.61.14	A	ns3.planet-outlet.com.py
138.186.61.26	PTR	host26.teisa.com.py
138.186.61.50	PTR	host50.teisa.com.py
138.186.61.162	PTR	svr-ex01.americana.edu.py
138.186.61.162	A	uamericana.edu.py
138.186.61.168	PTR	host168.teisa.com.py
138.186.61.171	A	ua.edu.py
138.186.62.6	PTR	host6.teisa.com.py
138.186.62.6	A	coopmer4.coop.py
138.186.62.66	PTR	host66.teisa.com.py
138.186.62.66	A	ruc.com.py
138.186.62.67	PTR	host67.teisa.com.py
138.186.62.67	A	abaco.com.py
138.186.62.67	A	www.abaco.com.py
138.186.62.102	A	mail.uninorte.edu.py
138.186.62.114	A+PTR	mail.credisolucion.com.py
138.186.62.114	A	www.credisolucion.com.py
138.186.62.138	PTR	mail2.farmaciacatedral.com.py
138.186.62.138	A	mail.farmaciacatedral.com.py
138.186.62.142	A+PTR	correo.britanico.com.py
138.186.62.142	A	www.britanico.com.py
138.186.62.182	PTR	host182.teisa.com.py
138.186.62.182	A	ns.shoppingchina.com.py
138.186.62.182	A	shoppingchina.com.py
138.186.62.206	PTR	host206.teisa.com.py
138.186.63.50	PTR	host50.teisa.com.py
138.186.63.50	A	raices.com.py
138.186.63.50	A	mail.raices.com.py
138.186.63.73	A+PTR	mail.otrimport.com.py
138.186.63.136	A	silviomeza.com
138.186.63.226	PTR	mail.imedic.com.py
138.186.63.226	A	imedic.com.py
138.186.63.234	PTR	host234.teisa.com.py
138.186.63.236	PTR	host236.teisa.com.py