Robtex

Up: 152.231.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 152.231.24.0/22
Down right: 152.231.28.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
152.231.24.1	PTR	noc.colombiatel.co
152.231.24.5	A	ns2.paipaisas.com
152.231.25.2	A	n8tivs.com
152.231.25.2	A	mail.n8tivs.com
152.231.25.3	A	gomattermore.com
152.231.25.3	A	mail.gomattermore.com
152.231.25.9	A	pametrocast.com
152.231.25.9	A	mail.pametrocast.com
152.231.25.10	A	mail.trustscolliers.com
152.231.25.10	A	trustscolliers.com
152.231.25.17	A	telisor.com
152.231.25.17	A	mail.telisor.com
152.231.25.21	A	mail.things-simple.com
152.231.25.21	A	things-simple.com
152.231.25.25	A	shiraselab.com
152.231.25.26	A	maintnance.com
152.231.25.26	A	mail.maintnance.com
152.231.25.74	A	bandyfriends.com
152.231.25.88	A	mail.byronbaymanor.com
152.231.25.92	A	mail.chikara-rom.com
152.231.25.92	A	chikara-rom.com
152.231.25.96	A	mail.com-freegrocerys.com
152.231.25.96	A	com-freegrocerys.com
152.231.25.101	A	mail.falova.com
152.231.25.129	A	mail.noordinarymode.com
152.231.25.129	A	noordinarymode.com
152.231.25.131	A	mail.patio-builders.com
152.231.25.131	A	patio-builders.com
152.231.25.138	A	noelmosepticservice.com
152.231.25.138	A	mail.noelmosepticservice.com
152.231.25.148	A	lashiple.com
152.231.25.148	A	mail.lashiple.com
152.231.25.155	A	mail.robotfresh.com
152.231.25.155	A	robotfresh.com
152.231.25.156	A	mail.lveritascollarborative.com
152.231.25.156	A	lveritascollarborative.com
152.231.25.227	A	anademdecor.com
152.231.25.227	A	mail.anademdecor.com
152.231.25.247	A	mail.hardingbrook.com
152.231.25.247	A	hardingbrook.com
152.231.25.254	A	mail.gilrnorebell.com
152.231.25.254	A	gilrnorebell.com
152.231.26.231	A	colombiatel.co
152.231.26.242	A+PTR	cali1.colombiatel.co
152.231.26.242	A	guajiranet.com
152.231.30.5	A	ns1.paipaisas.com
152.231.30.100	PTR	server1.colombiatel.co
152.231.30.100	A	elviejomolinorestaurante.com
152.231.30.100	A	llenadosyservicios.com
152.231.30.103	PTR	colombiatel.co