Data as of Nov 3, 2026
Autonomous system
AS11452
Mount Sinai School of Medicine
Announces 55,552 addresses in 14 prefixes. None of it is anonymizer space.
Type
Education
US
Proxy activity, 30 days
6 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 146.203.0.0/18 since May 2005 | Business | |||
| 146.203.64.0/18 since May 2005 | Business | 2 | ||
| 146.203.128.0/21 since Mar 2009 | Business | 4 1 always on | ||
| 146.203.136.0/21 since Jul 2007 | Business | |||
| 146.203.138.0/24 since Nov 2023 | Business | |||
| 146.203.139.0/24 since Nov 2023 | Business | |||
| 146.203.144.0/22 since May 2014 | Business | |||
| 146.203.148.0/22 since May 2014 | Business | |||
| 146.203.148.0/24 since Nov 2023 | Business | |||
| 146.203.149.0/24 since Nov 2023 | Business | |||
| 146.203.150.0/24 since Nov 2023 | Business | |||
| 146.203.151.0/24 since Nov 2023 | Business | |||
| 146.203.192.0/18 since May 2005 | Business | |||
| 159.123.127.0/24 since Jun 2016 | Business | St. Luke's Roosevelt Hospital Center |
Residential-proxy exposure
Always-on exits
1
17% of its exits
Spread
5
/24s with at least one exit
Providers
38
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 146.203.130.0/24 | 1 | 1 | |
| 146.203.121.0/24 | 0 | 2 | |
| 146.203.129.0/24 | 0 | 1 | |
| 146.203.131.0/24 | 0 | 1 | |
| 146.203.133.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- Ake.net
- AnyIP
- BirdProxies
- BottingTools
- Bright Data
- ByteProxies
- Byteful
- EnigmaProxy
- Evomi
- FlashProxy
- FloppyData
- GSocks
- Geonode
- GonzoProxy
- IPOasis
- IPRoyal
- Infatica
- InfiniteProxies
- LemonBright
- MangoProxy
- NodeMaven
- NodeProxy
- NovaProxy
- Oxylabs
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyHat
- ProxyRack
- ProxyWing
- Proxying
- Proxyma
- Shifter
- Thordata
- ThunderProxy
- VitalExclusive
- VitalProxy
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS11452, day by day
2.9K observations
Network & history
Profile
- Registered
- Aug 27, 1998
- Domain
- mssm.edu
- Industry
- Hospitals and Medical Centers
Routing patterns
How its announcements have moved
Arrivals