Data as of Nov 5, 2026
Autonomous system
AS52129
Proofpoint, Inc.
Announces 11,520 addresses in 46 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 66.159.224.0/24 since Nov 2024 | Business | ||
| 66.159.225.0/24 since Nov 2024 | Business | ||
| 66.159.232.0/24 since Dec 2022 | Business | ||
| 66.159.233.0/24 since Aug 2023 | Business | ||
| 66.159.234.0/24 since Aug 2023 | Business | ||
| 66.159.235.0/24 since Mar 2024 | Business | ||
| 66.159.236.0/24 since Dec 2022 | Business | ||
| 66.159.237.0/24 since Dec 2022 | Business | ||
| 66.159.243.0/24 since Mar 2025 | Business | ||
| 66.159.244.0/24 since Dec 2024 | Business | ||
| 66.159.245.0/24 since Jun 2025 | Business | ||
| 66.159.246.0/24 since Jul 2024 | Business | ||
| 66.159.247.0/24 since Oct 2025 | Business | ||
| 66.159.252.0/24 since Feb 2025 | Business | ||
| 66.159.253.0/24 since Feb 2025 | Business | ||
| 66.159.254.0/24 since Jan 2025 | Business | ||
| 66.159.255.0/24 since Jan 2025 | Business | ||
| 91.207.212.0/23 since Oct 2011 | Business | ||
| 91.209.104.0/24 since Oct 2011 | Business | ||
| 143.55.144.0/24 since Oct 2020 | Business | ||
| 143.55.145.0/24 since Jun 2021 | Business | ||
| 143.55.146.0/24 since Apr 2022 | Business | ||
| 143.55.147.0/24 since Aug 2022 | Business | ||
| 143.55.148.0/24 since Jun 2021 | Business | ||
| 143.55.149.0/24 since Jul 2022 | Business | ||
| 143.55.150.0/24 since Apr 2023 | Business | ||
| 185.132.180.0/22 since Jan 2017 | Business | Proofpoint Limited | |
| 185.132.180.0/24 since Dec 2024 | Business | Proofpoint Limited | |
| 185.132.181.0/24 since Jan 2017 | Business | Proofpoint Limited | |
| 185.132.182.0/24 since Jan 2017 | Business | Proofpoint Limited | |
| 185.132.183.0/24 since Jan 2017 | Business | Proofpoint Limited | |
| 185.169.148.0/24 since Jan 2026 | Business | Meta Networks Ltd | |
| 185.183.28.0/22 since Jan 2017 | Business | ||
| 185.183.28.0/24 since Jan 2017 | Business | ||
| 185.183.29.0/24 since Jan 2017 | Business | ||
| 185.183.30.0/24 since Jan 2017 | Business | ||
| 185.183.31.0/24 since Jan 2017 | Business | ||
| 205.220.184.0/24 since Mar 2020 | Business | ||
| 205.220.185.0/24 since Mar 2020 | Business | ||
| 208.56.0.0/24 since Oct 2025 | Business | Meta Networks Inc | |
| 208.56.4.0/24 since Dec 2025 | Business | Meta Networks Inc | |
| 208.56.5.0/24 since May 2026 | Business | Meta Networks Inc | |
| 208.56.6.0/24 since May 2026 | Business | Meta Networks Inc | |
| 208.56.17.0/24 since Oct 2025 | Business | Meta Networks Inc | |
| 208.84.64.0/24 since Dec 2013 | Business | ||
| 208.86.200.0/24 since Jul 2013 | Business |
Network & history
Profile
- Registered
- Jan 5, 2011
- Domain
- proofpoint.com
- Website
- www.proofpoint.com/
- Industry
- Software Development
Routing patterns
How its announcements have moved
Arrivals