Data as of Nov 10, 2026
Autonomous system
AS3527
National Institutes of Health
Announces 336,640 addresses in 15 prefixes. None of it is anonymizer space.
Type
Business
US
Proxy activity, 30 days
6 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 128.231.0.0/16 since May 2020 | Business | |||
| 128.231.3.0/24 since Sep 2025 | Business | |||
| 128.231.245.0/24 since Sep 2025 | Business | |||
| 137.187.0.0/16 since May 2020 | Business | |||
| 156.40.0.0/16 since May 2020 | Business | |||
| 157.98.0.0/16 since May 2020 | Business | National Institute of Environmental Health Sciences | ||
| 162.99.224.0/19 since May 2005 | Business | U.S. Dept. of Health and Human Services | ||
| 165.112.0.0/16 since Feb 2020 | Business | |||
| 165.112.0.0/20 since Sep 18, 2026 | Business | |||
| 165.112.0.0/21 since Sep 18, 2026 | Business | |||
| 165.112.136.0/21 since Sep 18, 2026 | Business | |||
| 192.231.145.0/24 since May 2020 | Business | |||
| 192.231.146.0/23 since May 2020 | Business | 6 | ||
| 192.231.146.0/24 since Nov 2020 | Business | 6 | ||
| 192.231.147.0/24 since Nov 2020 | Business |
Residential-proxy exposure
Providers
37
selling exits here
Proxy providers listing exits
- AnyIP
- BirdProxies
- BottingTools
- Bright Data
- ByteProxies
- Byteful
- CliProxy
- EnigmaProxy
- FastProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GloryCloud
- GonzoProxy
- HideProxy
- Infatica
- InfiniteProxies
- LemonBright
- LudaxProxy
- MangoProxy
- NodeProxy
- NovaProxy
- Novada
- ProxiesVision
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyGeo
- ProxyWing
- Proxyma
- RainProxy
- Shifter
- Thordata
- ThunderProxy
- VitalExclusive
Proxy activity
Oct 11, 2026 – Nov 8, 2026
AS3527, day by day
1.8K observations
Network & history
Profile
- Registered
- Apr 7, 1994
- Domain
- nih.gov
- Industry
- Government and Regulatory Agencies, Administrations, Departments, and Services
Routing patterns
How its announcements have moved
Arrivals