Data as of Nov 5, 2026
Autonomous system
AS26211
Proofpoint, Inc.
Announces 14,592 addresses in 52 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 66.159.227.0/24 since May 2023 | Business | ||
| 66.159.240.0/24 since Mar 2024 | Business | ||
| 66.159.241.0/24 since Mar 2024 | Business | ||
| 66.159.248.0/23 since Aug 2024 | Business | ||
| 67.231.144.0/24 since Jun 2009 | Business | ||
| 67.231.145.0/24 since Oct 2010 | Business | ||
| 67.231.146.0/24 since Nov 2011 | Business | ||
| 67.231.147.0/24 since Oct 2010 | Business | ||
| 67.231.148.0/24 since Feb 2013 | Business | ||
| 67.231.149.0/24 since Nov 2013 | Business | ||
| 67.231.150.0/24 since Jun 2018 | Business | ||
| 67.231.151.0/24 since Sep 2016 | Business | ||
| 67.231.158.0/24 since Aug 2016 | Business | ||
| 67.231.159.0/24 since Jun 2018 | Business | ||
| 148.163.132.0/24 since Nov 2018 | Business | ||
| 148.163.133.0/24 since Oct 2018 | Business | ||
| 148.163.134.0/24 since Oct 2018 | Business | ||
| 148.163.135.0/24 since Sep 2018 | Business | ||
| 148.163.144.0/24 since Jun 2018 | Business | ||
| 148.163.145.0/24 since May 2018 | Business | ||
| 148.163.146.0/24 since Jan 2018 | Business | ||
| 148.163.147.0/24 since Nov 2017 | Business | ||
| 148.163.148.0/22 since Jan 2017 | Business | ||
| 148.163.156.0/23 since Nov 2014 | Business | ||
| 205.220.160.0/24 since Mar 2019 | Business | ||
| 205.220.161.0/24 since Mar 2019 | Business | ||
| 205.220.162.0/24 since Mar 2019 | Business | ||
| 205.220.163.0/24 since Mar 2019 | Business | ||
| 205.220.164.0/24 since Mar 2019 | Business | ||
| 205.220.165.0/24 since Mar 2019 | Business | ||
| 205.220.166.0/24 since Mar 2019 | Business | ||
| 205.220.167.0/24 since Mar 2020 | Business | ||
| 205.220.168.0/24 since Feb 2020 | Business | ||
| 205.220.169.0/24 since Feb 2020 | Business | ||
| 205.220.170.0/24 since Jan 2022 | Business | ||
| 205.220.171.0/24 since Jan 2022 | Business | ||
| 205.220.186.0/24 since Dec 2020 | Business | ||
| 205.220.190.0/24 since Feb 2020 | Business | ||
| 205.220.191.0/24 since Feb 2020 | Business | ||
| 208.56.8.0/24 since Jun 2025 | Business | Meta Networks Inc | |
| 208.56.9.0/24 since Jun 2025 | Business | Meta Networks Inc | |
| 208.56.10.0/24 since Jun 2025 | Business | Meta Networks Inc | |
| 208.56.11.0/24 since Jun 2025 | Business | Meta Networks Inc | |
| 208.56.16.0/24 since Jul 2025 | Business | Meta Networks Inc | |
| 208.56.56.0/24 since Jul 2026 | Business | Meta Networks Inc | |
| 208.56.57.0/24 since Jul 2026 | Business | Meta Networks Inc | |
| 208.56.58.0/24 since Jul 2026 | Business | Meta Networks Inc | |
| 208.56.59.0/24 since Jul 2026 | Business | Meta Networks Inc | |
| 208.84.65.0/24 since Apr 2010 | Business | ||
| 208.84.66.0/24 since Jun 2009 | Business | ||
| 208.86.202.0/24 since Dec 2016 | Business | ||
| 208.86.203.0/24 since Dec 2016 | Business |
Network & history
Profile
- Registered
- Oct 31, 2007
- Domain
- proofpoint.com
- Industry
- Software Development
Routing patterns
How its announcements have moved
Arrivals