Data as of Nov 3, 2026
Autonomous system
AS3477
National Oceanic and Atmospheric Administration
Announces 323,840 addresses in 84 prefixes. None of it is anonymizer space.
Type
Education
US
Proxy activity, 30 days
3 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 137.75.64.0/18 since Nov 2022 | Business | 2 | ||
| 137.75.68.0/22 since Feb 2016 | Business | 1 | ||
| 137.75.72.0/22 since Feb 2017 | Business | 1 | ||
| 137.75.76.0/22 since Nov 2016 | Business | |||
| 137.75.80.0/22 since Feb 2019 | Business | |||
| 137.75.82.0/24 since Feb 2023 | Business | |||
| 137.75.88.0/21 since Oct 2020 | Business | |||
| 137.75.96.0/22 since Apr 2021 | Business | |||
| 137.75.100.0/22 since Jan 2022 | Business | |||
| 137.75.106.0/24 since Aug 2024 | Business | |||
| 137.75.108.0/22 since Aug 2018 | Business | |||
| 137.75.112.0/22 since Aug 2020 | Business | |||
| 137.75.116.0/22 since Jul 2019 | Business | |||
| 137.75.120.0/24 since Jun 2023 | Business | |||
| 137.75.224.0/22 since Jan 2024 | Business | |||
| 140.90.0.0/16 since Aug 2025 | Business | |||
| 140.90.28.0/24 since Mar 2022 | Business | |||
| 140.90.101.0/24 since Feb 2023 | Business | |||
| 140.90.190.0/24 since Jan 2017 | Business | |||
| 140.172.0.0/16 since Apr 2021 | Business | 1 | ||
| 140.208.192.0/20 since Aug 2016 | Business | Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory | ||
| 140.208.252.0/22 since Dec 2016 | Business | |||
| 140.208.253.0/24 since Aug 2025 | Business | |||
| 151.207.8.0/24 since Feb 2021 | Business | United States Patent and Trademark Office | ||
| 151.207.9.0/24 since Jul 2021 | Business | United States Patent and Trademark Office | ||
| 151.207.12.0/24 since Feb 2021 | Business | United States Patent and Trademark Office | ||
| 151.207.13.0/24 since Jul 2021 | Business | United States Patent and Trademark Office | ||
| 155.206.0.0/16 since Sep 2020 | Business | |||
| 161.55.0.0/16 since May 2015 | Business | |||
| 161.55.56.0/23 since Feb 2024 | Business | |||
| 161.55.224.0/24 since Jul 2020 | Business | |||
| 165.92.182.0/24 since Mar 2026 | Business | |||
| 165.92.184.0/24 since Mar 2026 | Business | |||
| 165.92.186.0/24 since Mar 2026 | Business | |||
| 165.92.187.0/24 since Mar 2026 | Business | |||
| 165.92.188.0/24 since Jul 2026 | Business | |||
| 165.92.222.0/24 since Aug 2023 | Business | |||
| 192.35.128.0/24 since Aug 2025 | Business | |||
| 192.35.129.0/24 since Aug 2025 | Business | |||
| 192.58.1.0/24 since Jun 2020 | Business | |||
| 192.58.2.0/24 since Jun 2020 | Business | |||
| 192.58.3.0/24 since Jun 2020 | Business | |||
| 192.67.97.0/24 since Feb 2021 | Business | |||
| 192.67.134.0/24 since Sep 2022 | Business | |||
| 192.94.173.0/24 since Mar 2015 | Business | Great Lakes Environmental Research Laboratory | ||
| 192.111.123.0/24 since Aug 2016 | Business | Atlantic Oceanographic and Meteorological Laboratory | ||
| 192.133.29.0/24 since Jul 2020 | Business | |||
| 192.153.129.0/24 since Sep 2022 | Business | |||
| 198.51.11.0/24 since Sep 2023 | Business | National Telecommunications and Information Administration | ||
| 198.180.147.0/24 since Aug 2024 | Business | |||
| 198.206.32.0/19 since Jun 2017 | Business | National Weather Service Eastern Region Headquarters | ||
| 199.104.104.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 199.242.231.0/24 since Aug 2016 | Business | |||
| 199.242.232.0/23 since Aug 2016 | Business | |||
| 204.145.202.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.193.241.0/24 since Apr 2026 | Business | U.S. Department of Commerce | ||
| 204.193.242.0/24 since Apr 2026 | Business | U.S. Department of Commerce | ||
| 204.193.243.0/24 since Jul 2026 | Business | U.S. Department of Commerce | ||
| 204.193.244.0/24 since Nov 2023 | Business | U.S. Department of Commerce | ||
| 204.193.245.0/24 since Jul 2021 | Business | U.S. Department of Commerce | ||
| 204.193.246.0/23 since Jul 2021 | Business | U.S. Department of Commerce | ||
| 204.228.175.0/24 since Jun 2025 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.176.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.177.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.178.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.179.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.180.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.181.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.182.0/24 since Feb 2025 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.183.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.184.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.185.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.186.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.187.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.188.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.189.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.190.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 204.228.191.0/24 since Jul 2020 | Business | National Weather Service Western Region Headquarters | ||
| 205.156.0.0/18 since Jun 2022 | Business | |||
| 205.159.118.0/24 since Feb 2022 | Business | U.S. Department of Commerce | ||
| 205.166.33.0/24 since Aug 2024 | Business | |||
| 205.167.24.0/24 since Sep 2022 | Business | |||
| 205.167.25.0/24 since Sep 2022 | Business | |||
| 206.197.238.0/24 since Feb 2022 | Business | U.S. Department of Commerce |
Residential-proxy exposure
Spread
3
/24s with at least one exit
Providers
12
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 137.75.68.0/24 | 0 | 1 | |
| 137.75.72.0/24 | 0 | 1 | |
| 140.172.112.0/24 | 0 | 1 |
Proxy providers listing exits
- AnyIP
- Byteful
- FloppyData
- GSocks
- Geonix
- Infatica
- LemonLabs
- MangoProxy
- NodeProxy
- Proxy-Seller
- Shifter
- VitalExclusive
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS3477, day by day
17 observations
Network & history
Profile
- Registered
- Mar 8, 1994
- Domain
- noaa.gov
- Industry
- Service
Routing patterns
How its announcements have moved
Arrivals