Data as of Nov 8, 2026
165.123.0.0/16
770 residential-proxy exits · 30 daysUniversity of Pennsylvania
Residential-proxy exits
Proxy exits
770
1.2% of its addresses · 30 days
Spread
9 of 256
/24s with at least one exit
Providers
69
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
15K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 165.123.225.0/24 | 0 | 103 | |
| 165.123.224.0/24 | 0 | 98 | |
| 165.123.226.0/24 | 0 | 98 | |
| 165.123.227.0/24 | 0 | 97 | |
| 165.123.228.0/24 | 0 | 96 | |
| 165.123.229.0/24 | 0 | 96 | |
| 165.123.230.0/24 | 0 | 91 | |
| 165.123.231.0/24 | 0 | 88 | |
| 165.123.239.0/24 | 0 | 7 |
Proxy providers listing exits
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BartProxies
- BirdProxies
- BottingTools
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- ColaProxy
- DataImpulse
- Datarama
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GhostConnect
- GloryCloud
- GonzoProxy
- HideProxy
- IPFly
- IPOasis
- IPPeak
- Infatica
- InfiniteProxies
- KocerRoxy
- LemonBright
- LemonLabs
- LemonPrime
- LudaxProxy
- MangoProxy
- NextProxy
- NodeProxy
- NovProxy
- NovaProxy
- Oxylabs
- ProxiesVision
- Proxio
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyHat
- ProxyRack
- Proxyma
- PuraRoute
- RainProxy
- RealProxy
- ResiProxies
- SPYDERPROXY_PREMIUM
- Shifter
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- WealthProxies
- ZENPROXY_LITE
- ZENPROXY_PREMIUM
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 165.123.192.0/23 since Apr 2025 | AS400653 | Business | University of Pennsylvania |
Network & registry
Origin network
AS55
US
- Name
- University of Pennsylvania
- Type
- Education
- Registered
- Dec 18, 1985
- Domain
- upenn.edu
- Website
- www.upenn.edu
- Industry
- Education Software
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 165.123.0.0/16 | AS55 | /16 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS55 | RADB | PennNet | MAINT-UPENN | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 165.123.50.0/24 | AS69 | RADB | MAINT-UPENN | Sep 4, 2024 |
Whois
Registration for this announcement
- Range
- 165.
123. 0. 0/ 16 - Netname
- UPENN
- Registrant
- University of Pennsylvania
- Organization
- University of Pennsylvania (UNIVER-8-Z)
- Org address
- 3401 Walnut Street, Philadelphia, PA, 19104-6228
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-165-123-0-0-1
- Parent
- NET-165-0-0-0-0
- Created
- May 28, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- May 28, 1993
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN