54.167.144.81 — Ashburn, Virginia, 🇺🇸 USA · AS14618 Amazon

PTR

ec2-54-167-144-81.compute-1.amazonaws.com

A record for

`zenweb.c15.proofpoint.com`
	A	2605:b040:0:310:1cb9:9825:c3cf:3688
	A	2605:b040:0:311:1364:2946:479a:6510
	A	54.167.144.81
	A	107.21.244.137

IP numbers used in conjunction

100%	2605:b040:0:310:1cb9:9825:c3cf:3688
100%	2605:b040:0:311:1364:2946:479a:6510
100%	107.21.244.137

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Ashburn, Virginia, 🇺🇸 USA

^{🇺🇸 Amazon54.166.0.0/15 EC2 IAD prefix}

54.167.144.81 Ashburn, Virginia, 🇺🇸 USA Courtesy of