AS52129 · Proofpoint, Inc.

46
IPv4 prefixes
13,568
Announced IPv4 slots
2
IPv6 prefixes
🇺🇸 US
Country

Summary

AS number
AS52129
Name
Proofpoint, Inc.
Country
🇺🇸 United States
Type
RIPE
Category
business
Normalized type
business
Organization domain
proofpoint.com
Domain evidence
Source reported; ownership unverified
Last changed
Unknown
Announced
48 prefixes
Updated
2026-10-17

IPv4 prefixes on this page (46 of 46)

Prefix
66.159.224.0/24
66.159.225.0/24
66.159.232.0/24
66.159.233.0/24
66.159.234.0/24
66.159.235.0/24
66.159.236.0/24
66.159.237.0/24
66.159.243.0/24
66.159.244.0/24
66.159.245.0/24
66.159.246.0/24
66.159.247.0/24
66.159.252.0/24
66.159.253.0/24
66.159.254.0/24
66.159.255.0/24
91.207.212.0/23
91.209.104.0/24
143.55.144.0/24
143.55.145.0/24
143.55.146.0/24
143.55.147.0/24
143.55.148.0/24
143.55.149.0/24
143.55.150.0/24
185.132.180.0/22
185.132.180.0/24
185.132.181.0/24
185.132.182.0/24
185.132.183.0/24
185.169.148.0/24
185.183.28.0/22
185.183.28.0/24
185.183.29.0/24
185.183.30.0/24
185.183.31.0/24
205.220.184.0/24
205.220.185.0/24
208.56.0.0/24
208.56.4.0/24
208.56.5.0/24
208.56.6.0/24
208.56.17.0/24
208.84.64.0/24
208.86.200.0/24

IPv6 prefixes on this page (2 of 2)

Prefix
2a0a:2b00::/44
2a0a:2b00:10::/44

Address slots sum announced prefixes; overlapping routes count separately.