PTR

ec2-18-223-13-161.us-east-2.compute.amazonaws.com

A record for

`ns-3-legacy.umn.edu`
	A	2600:1f16:75b:d100:7b11:f64f:b436:2aeb
	A	18.223.13.161
`ec2-18-223-13-161.us-east-2.compute.amazonaws.com`
	A	18.223.13.161

50%	2600:1f16:75b:d100:7b11:f64f:b436:2aeb

Columbus, Ohio, 🇺🇸 USA

^{🇺🇸 Amazon18.220.0.0/14 EC2 CMH prefix}