Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS52129

Announcement observedRIPE NCC

Proofpoint, Inc. · PROOFPOINT-ASN-EU

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/4/2026, 19:50:36Snapshot expired

View network topology RDAP registration

ASN: AS52129
Registration country: United States
Name: Proofpoint, Inc.
Abbreviation: PROOFPOINT-ASN-EU
Registration date: 1/5/2011, 08:42:18
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
143.55.144.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
143.55.145.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
143.55.146.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
143.55.147.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
143.55.148.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
143.55.149.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
143.55.150.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
185.132.180.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
185.132.180.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
185.132.181.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
185.132.182.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
185.132.183.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
185.169.148.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
185.183.28.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
185.183.28.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
185.183.29.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
185.183.30.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
185.183.31.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
205.220.184.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
205.220.185.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.56.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.56.17.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.56.4.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.56.5.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.56.6.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.84.64.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
208.86.200.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.224.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.225.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.232.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.233.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.234.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.235.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.236.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.237.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.243.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.244.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.245.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.246.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.247.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.252.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.254.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
66.159.255.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
91.207.212.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid
91.209.104.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/17/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Proofpoint, Inc.
RIR: RIPE NCC
Registration country: United States
Registration date: 1/5/2011, 08:42:18
Abuse contact: abuse@proofpoint.com

Snapshot trend

10/4/2026, 19:50:3646 v42 v65 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn