Data as of Nov 5, 2026
128.252.0.0/16
102 residential-proxy exits · 30 daysWashington University
Residential-proxy exits
Proxy exits
102
0.16% of its addresses · 30 days
Always-on exits
2
2.0% of its exits
Spread
12 of 256
/24s with at least one exit
Providers
69
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
8.5K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 128.252.48.0/24 | 1 | 6 | |
| 128.252.83.0/24 | 1 | 1 | |
| 128.252.154.0/24 | 0 | 42 | |
| 128.252.172.0/24 | 0 | 15 | |
| 128.252.230.0/24 | 0 | 11 | |
| 128.252.229.0/24 | 0 | 9 | |
| 128.252.25.0/24 | 0 | 7 | |
| 128.252.212.0/24 | 0 | 5 | |
| 128.252.130.0/24 | 0 | 3 | |
| 128.252.13.0/24 | 0 | 1 | |
| 128.252.110.0/24 | 0 | 1 | |
| 128.252.127.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- 9Proxy
- Ake.net
- AnyIP
- BartProxies
- BirdProxies
- BottingTools
- Bright Data
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- ColaProxy
- DataImpulse
- Datarama
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GhostConnect
- GonzoProxy
- HideProxy
- HydraProxy
- IPFly
- IPPeak
- Infatica
- InfiniteProxies
- LemonBright
- LemonLabs
- LemonPrime
- LightningProxies
- MangoProxy
- NextProxy
- NodeMaven
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PSBProxy
- PacketStream
- PrivateByte
- Proxiware
- Proxmint
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyHat
- ProxyRack
- Proxying
- Proxyma
- PuraRoute
- RainProxy
- ResiProxies
- Shifter
- Thordata
- VantageProxies
- VitalData
- VitalExclusive
- VitalProxy
- WealthProxies
Network & registry
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Nov 2017 · 9.0 yr
- Origin networks
- 3
- Last change of origin
- Aug 2016
Recorded history
History
- Handoffs
- 4
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 128.252.0.0/16 | AS2552 | /16 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 128.252.25.0/24 | AS2552 | ARIN | WUSTL IPv4 Subnet | MNT-WASHIN-Z | Sep 10, 2019 |
| 128.252.48.0/24 | AS2552 | ARIN | WUSTL IPv4 Subnet | MNT-WASHIN-Z | Sep 10, 2019 |
| 128.252.182.0/24 | AS2552 | ARIN | WUSTL IPv4 Subnet | MNT-WASHIN-Z | Sep 11, 2019 |
Whois
Registration for this announcement
- Range
- 128.
252. 0. 0/ 16 - Netname
- WASHINGTON-U
- Registrant
- Washington University
- Organization
- Washington University (WASHIN-Z)
- Org address
- Network Technology Services, St. Louis, MO, 63130
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-128-252-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- Jun 3, 1987
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 3, 1987
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN