Proofpoint, Inc.

Data as of 2026-09-06
GLEIF verified
Complete entity footprint
2 linked clusters · 428 netblocks · 78,515 IPv4 addresses · 103 IPv6 prefixes
This organisation's clusters combined by evidence — shared operating domain pphosted.com — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
529900C5FODDK0WSR085
Registered name
Proofpoint, Inc.
Jurisdiction
US-DE
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks197 · 43,864 IPv4 addresses
IPv6 23 prefixes (largest 2605:b040::/32)
Registered in United States (163) · United Kingdom (7) · Netherlands (4) · Germany (3) · Israel (1)
Record ID236378381
RegistryBGP
Owner jurisdictionUS-DE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 529900C5FODDK0WSR085
Shared handles clustered on 30 shared RIR contact/maintainer handles
Registry names 8 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (197)

⬇ export CSV
CIDR Org name Registry Status Confidence
35.89.44.32/27 Proofpoint, Inc. ARIN ASSIGNMENT ● high
44.202.169.32/27 Proofpoint, Inc. ARIN ASSIGNMENT ● high
66.159.224.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.224.0/19 Proofpoint, Inc. ARIN DIRECT ALLOCATION ● high
66.159.225.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.227.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.228.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.232.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.233.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.234.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.235.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.236.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.237.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.238.0/23 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.240.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.241.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.243.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.244.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.245.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.246.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.247.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.248.0/23 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.250.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.250.0/23 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.251.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.252.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.253.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.254.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
66.159.255.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.144.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.144.0/20 Proofpoint, Inc. ARIN DIRECT ALLOCATION ● high
67.231.145.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.146.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.147.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.148.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.149.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.150.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.151.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.152.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.153.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.154.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.155.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.156.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.157.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.158.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
67.231.159.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
91.207.212.0/23 Proofpoint, Inc. RIPE ASSIGNED PI ● high
91.209.104.0/24 Proofpoint, Inc. RIPE ASSIGNED PI ● high
143.55.144.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
143.55.145.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
143.55.146.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
143.55.147.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
143.55.148.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
143.55.149.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
143.55.150.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.128.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.128.0/19 Proofpoint, Inc. ARIN DIRECT ALLOCATION ● high
148.163.129.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.130.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.132.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.133.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.134.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.135.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.136.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.137.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.138.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.139.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.140.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.141.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.142.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.143.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.144.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.145.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.146.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.147.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.148.0/22 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.152.0/22 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.156.0/23 Proofpoint, Inc. BGP ANNOUNCED ● high
148.163.158.0/23 Proofpoint, Inc. BGP ANNOUNCED ● high
185.1.102.78/32 Proofpoint PEERINGDB ASSIGNED ● high
185.1.102.86/32 Proofpoint PEERINGDB ASSIGNED ● high
185.1.112.48/32 Proofpoint PEERINGDB ASSIGNED ● high
185.1.112.49/32 Proofpoint PEERINGDB ASSIGNED ● high
185.132.180.0/22 Proofpoint, Inc. BGP ANNOUNCED ● high
185.132.180.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
185.132.181.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
185.132.182.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
185.132.183.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
185.169.148.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
185.183.28.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
185.183.28.0/22 Proofpoint, Inc. BGP ANNOUNCED ● high
185.183.29.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
185.183.30.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
185.183.31.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
199.33.143.0/24 Proofpoint, Inc. ARIN DIRECT ALLOCATION ● high
205.220.160.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.160.0/19 Proofpoint, Inc. ARIN DIRECT ALLOCATION ● high
205.220.161.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.162.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.163.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.164.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.165.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.166.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.167.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.168.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.169.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.170.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.171.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.172.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.173.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.174.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.175.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.176.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.177.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.178.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.179.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.180.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.181.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.182.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.183.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.184.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.185.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.186.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.187.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.190.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
205.220.191.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.36.134.0/24 Proofpoint, Inc. ARIN ALLOCATION ● high
208.56.0.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.4.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.5.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.6.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.8.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.9.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.10.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.11.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.12.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.13.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.14.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.15.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.16.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.17.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.56.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.57.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.58.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.59.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.60.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.61.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.62.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.56.63.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.83.136.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.83.136.0/22 Proofpoint, Inc. ARIN DIRECT ALLOCATION ● high
208.83.137.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.83.138.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.83.139.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.84.64.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.84.64.0/22 Proofpoint, Inc. ARIN DIRECT ALLOCATION ● high
208.84.65.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.84.66.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.84.67.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.86.200.0/22 Proofpoint, Inc. ARIN DIRECT ALLOCATION ● high
208.86.200.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.86.201.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.86.202.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
208.86.203.0/24 Proofpoint, Inc. BGP ANNOUNCED ● high
209.249.172.0/23 Proofpoint, Inc. ARIN ASSIGNMENT ● high
216.200.144.0/24 Proofpoint, Inc. ARIN ASSIGNMENT ● high
2001:7f8:83::5:2129:1/128 Proofpoint PEERINGDB ASSIGNED ● high
2001:7f8:83::5:2129:2/128 Proofpoint PEERINGDB ASSIGNED ● high
2001:7f8:bd::5:2129:1/128 Proofpoint PEERINGDB ASSIGNED ● high
2001:7f8:bd::5:2129:2/128 Proofpoint PEERINGDB ASSIGNED ● high
2605:1980:200:7::/64 Proofpoint, Inc. ARIN ASSIGNMENT ● high
2605:1980:200:8::/64 Proofpoint, Inc. ARIN ASSIGNMENT ● high
2605:b040::/32 Proofpoint, Inc. ARIN DIRECT ALLOCATION ● high
2620:0:2900::/48 Proofpoint, Inc. BGP ANNOUNCED ● high
2620:0:2900::/44 Proofpoint, Inc. ARIN DIRECT ALLOCATION ● high
2620:0:2901::/48 Proofpoint, Inc. BGP ANNOUNCED ● high
2620:0:2902::/48 Proofpoint, Inc. BGP ANNOUNCED ● high
2620:100:9000::/44 Proofpoint, Inc. ARIN DIRECT ALLOCATION ● high
2620:100:9000::/47 Proofpoint, Inc. BGP ANNOUNCED ● high
2620:100:9004::/47 Proofpoint, Inc. BGP ANNOUNCED ● high
2620:100:9008::/47 Proofpoint, Inc. BGP ANNOUNCED ● high
2620:100:900c::/48 Proofpoint, Inc. BGP ANNOUNCED ● high
2620:100:900d::/48 Proofpoint, Inc. BGP ANNOUNCED ● high
2a0a:2b00::/44 Proofpoint, Inc. BGP ANNOUNCED ● high
2a0a:2b00:10::/44 Proofpoint, Inc. BGP ANNOUNCED ● high
62.209.34.12/30 PROOFPOINT_GMBH RIPE ASSIGNED PA ● low
80.252.83.252/30 PROOFPOINT_INC RIPE ASSIGNED PA ● low
143.55.144.0 – 143.55.146.255 Proofpoint, Inc. RIPE ASSIGNED PA ● low
143.55.144.0/21 Proofpoint, Inc. RIPE ALLOCATED PA ● low
143.55.148.0/23 Proofpoint, Inc. RIPE ASSIGNED PA ● low
143.55.151.0/24 Proofpoint, Inc. RIPE ASSIGNED PA ● low
212.133.103.80/29 Proofpoint-Inc RIPE ASSIGNED PA ● low
217.68.146.128/30 PROOFPOINT_GMBH RIPE ASSIGNED PA ● low
2001:4d78:400:10e::/64 PROOFPOINT_GMBH RIPE ASSIGNED ● low
2001:4d78:500:52c::/64 PROOFPOINT_INC RIPE ASSIGNED ● low
2a02:20ab:8010:a5::/64 PROOFPOINT_GMBH RIPE ASSIGNED ● low
2a0a:2b00::/32 Proofpoint Limited RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (23)

showing the 15 largest allocations
CIDR
2605:b040::/32
2a0a:2b00::/32
2620:0:2900::/44
2620:100:9000::/44
2a0a:2b00:10::/44
2a0a:2b00::/44
2620:100:9000::/47
2620:100:9004::/47
2620:100:9008::/47
2620:0:2900::/48
2620:0:2901::/48
2620:0:2902::/48
2620:100:900c::/48
2620:100:900d::/48
2001:4d78:400:10e::/64

Footprint over time

11 weekly snapshots · JSON
201 +16 netblocks since 2026-07-05
2026-07-05 peak 201 2026-09-06

Domains hosted in this network

what's this?
montecito.bank proofpoint.com cpb.bank pphosted.com ppe-hosted.com cloudmark.com svb.com bankofamerica.com gpphosted.com

Network trust

what's this?
RPKI hygiene: B how networks compare →
92.5% of checked blocks have valid RPKI ROA coverage (186 of 201)
Possible discrepancies (4)

These blocks are registered to Proofpoint, Inc. but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a0a:2b00::/32 /32 authorized for AS51219 — K2 Integration JSC
209.249.172.0/23 /23 authorized for AS6461 — Zayo Bandwidth
143.55.151.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
216.200.144.0/24 /24 authorized for AS53294 — Fox News Channel

NIC Handles

AB34802-RIPE AS13916 AS22843 AS26211 AS52129 AS52129 DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT EQUINIX-MNT LEVEL3-MNT NETWO2061-ARIN +18 more