Data as of Nov 8, 2026
146.203.0.0/16
6 residential-proxy exits · 30 daysAnnounced only in parts
Announcement
14 inside
Type
Business
>99% of it
Residential-proxy exits
Proxy exits
6
<0.01% of its addresses · 30 days
Always-on exits
1
17% of its exits
Spread
5 of 256
/24s with at least one exit
Providers
38
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
3.0K observations
/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
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 146.203.0.0/16 | /24s |
|---|---|---|---|
| Zscaler | 2560.39% | 1 |
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 146.203.0.0/18 since May 2005 | AS11452 | Business | Mount Sinai School of Medicine | |||
| 146.203.64.0/18 since May 2005 | AS11452 | Business | 2 | Mount Sinai School of Medicine | ||
| 146.203.128.0/21 since Mar 2009 | AS11452 | Business | 4 1 always on | Mount Sinai School of Medicine | ||
| 146.203.136.0/21 since Jul 2007 | AS11452 | Business | Mount Sinai School of Medicine | |||
| 146.203.138.0/24 since Nov 2023 | AS11452 | Business | Mount Sinai School of Medicine | |||
| 146.203.139.0/24 since Nov 2023 | AS11452 | Business | Mount Sinai School of Medicine | |||
| 146.203.144.0/22 since May 2014 | AS11452 | Business | Mount Sinai School of Medicine | |||
| 146.203.148.0/22 since May 2014 | AS11452 | Business | Mount Sinai School of Medicine | |||
| 146.203.148.0/24 since Nov 2023 | AS11452 | Business | Mount Sinai School of Medicine | |||
| 146.203.149.0/24 since Nov 2023 | AS11452 | Business | Mount Sinai School of Medicine | |||
| 146.203.150.0/24 since Nov 2023 | AS11452 | Business | Mount Sinai School of Medicine | |||
| 146.203.151.0/24 since Nov 2023 | AS11452 | Business | Mount Sinai School of Medicine | |||
| 146.203.192.0/18 since May 2005 | AS11452 | Business | Mount Sinai School of Medicine | |||
| 146.203.254.0/24 since Aug 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Mount Sinai School of Medicine |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
55,296 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 55,040 | >99% | 14 | |
| Corporate gateway | 256 | 0.46% | 1 |