Robtex

Up: 223.224.112.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 223.224.120.0/22
Down right: 223.224.124.0/22

IP	Type	Hostname
223.224.123.9	A	epdg.epc.mnc096.mcc404.pub.3gppnetwork.org
223.224.123.10	A	epdg.epc.mnc003.mcc404.pub.3gppnetwork.org
223.224.123.11	A	epdg.epc.mnc002.mcc404.pub.3gppnetwork.org
223.224.123.12	A	epdg.epc.mnc055.mcc405.pub.3gppnetwork.org