Data as of Nov 5, 2026
Autonomous system
AS22843
Proofpoint, Inc.
Announces 12,800 addresses in 46 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 66.159.228.0/24 since May 2023 | Business | ||
| 66.159.238.0/23 since May 2024 | Business | ||
| 66.159.250.0/23 since Aug 2024 | Business | ||
| 66.159.250.0/24 since Jan 2025 | Business | ||
| 66.159.251.0/24 since Jan 2025 | Business | ||
| 67.231.152.0/24 since Sep 2009 | Business | ||
| 67.231.153.0/24 since Oct 2010 | Business | ||
| 67.231.154.0/24 since Dec 2011 | Business | ||
| 67.231.155.0/24 since Oct 2010 | Business | ||
| 67.231.156.0/24 since Feb 2013 | Business | ||
| 67.231.157.0/24 since Nov 2013 | Business | ||
| 148.163.136.0/24 since Nov 2018 | Business | ||
| 148.163.137.0/24 since Oct 2018 | Business | ||
| 148.163.138.0/24 since Oct 2018 | Business | ||
| 148.163.139.0/24 since Sep 2018 | Business | ||
| 148.163.140.0/24 since Jun 2018 | Business | ||
| 148.163.141.0/24 since May 2018 | Business | ||
| 148.163.142.0/24 since Jan 2018 | Business | ||
| 148.163.143.0/24 since Nov 2017 | Business | ||
| 148.163.152.0/22 since Jan 2017 | Business | ||
| 148.163.158.0/23 since Dec 2014 | Business | ||
| 205.220.172.0/24 since Mar 2019 | Business | ||
| 205.220.173.0/24 since Mar 2019 | Business | ||
| 205.220.174.0/24 since Mar 2019 | Business | ||
| 205.220.175.0/24 since Mar 2019 | Business | ||
| 205.220.176.0/24 since Mar 2019 | Business | ||
| 205.220.177.0/24 since Mar 2019 | Business | ||
| 205.220.178.0/24 since Mar 2019 | Business | ||
| 205.220.179.0/24 since Feb 2020 | Business | ||
| 205.220.180.0/24 since Feb 2020 | Business | ||
| 205.220.181.0/24 since Feb 2020 | Business | ||
| 205.220.182.0/24 since Jan 2022 | Business | ||
| 205.220.183.0/24 since Jan 2022 | Business | ||
| 205.220.187.0/24 since Dec 2020 | Business | ||
| 208.56.12.0/24 since Jun 2025 | Business | Meta Networks Inc | |
| 208.56.13.0/24 since Jun 2025 | Business | Meta Networks Inc | |
| 208.56.14.0/24 since Jun 2025 | Business | Meta Networks Inc | |
| 208.56.15.0/24 since Jun 2025 | Business | Meta Networks Inc | |
| 208.56.60.0/24 since Aug 2026 | Business | Meta Networks Inc | |
| 208.56.61.0/24 since Aug 2026 | Business | Meta Networks Inc | |
| 208.56.62.0/24 since Aug 2026 | Business | Meta Networks Inc | |
| 208.56.63.0/24 since Aug 2026 | Business | Meta Networks Inc | |
| 208.83.137.0/24 since Mar 2019 | Business | ||
| 208.83.139.0/24 since Mar 2019 | Business | ||
| 208.84.67.0/24 since Sep 2009 | Business | ||
| 208.86.201.0/24 since Mar 2010 | Business |
Network & history
Profile
- Registered
- Jan 4, 2008
- Domain
- proofpoint.com
- Industry
- Software Development
Routing patterns
How its announcements have moved
Arrivals