Data as of Nov 11, 2026
152.40.31.0/24
3 residential-proxy exits · 30 daysUniversity of North Carolina at Greensboro · space held by MCNC
Residential-proxy exits
Proxy exits
3
1.2% of its addresses · 30 days
Providers
24
selling exits here
Oct 12, 2026 – Nov 10, 2026
Exits seen per day
780 observations
Proxy providers listing exits
- BirdProxies
- CatProxies
- ColaProxy
- EnigmaProxy
- FloppyData
- GSocks
- HideProxy
- IPRoyal
- Infatica
- LudaxProxy
- MangoProxy
- NodeProxy
- NovaProxy
- ProxiesVision
- ProxyEmpire
- ProxyGeo
- ProxyWing
- RainProxy
- Shifter
- TORCHPROXIES_BASIC
- TORCHPROXIES_PREMIUM
- TORCHPROXIES_X
- Thordata
- VantageProxies
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 152.40.0.0/16 since Sep 2020 | AS81 | Business | 154 2 always on | MCNC |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 152.40.0.0/16 | 65,536 | NCREN-B40 | MCNC (MCNC-Z) · US | Direct Allocation | Aug 8, 1994 | abuse@ |
| └ 152.40.0.0/18 | 16,384 | UNCG-NCREN-B40 | University of North Carolina at Greensboro (UNCAG) · US | Reassigned | Jan 31, 2011 | — |
Network & registry
Announced by
Covering announcement 152.40.0.0/18
- Prefix
- 152.40.0.0/18
- Announced by
- AS53785 University of North Carolina at Greensboro
- Type
- Business
- Proxy exits
- 154
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- UNCG-NCREN-B40
- Registrant
- University of North Carolina at Greensboro
- RIR
- ARIN
IPv4 market
Holder
- Organization
- MCNC
- Handle
- MCNC-Z
- Range
- 152.
40. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Aug 8, 1994
- Legacy
- yes
Origin network
AS53785
US
- Name
- University of North Carolina at Greensboro
- Type
- Education
- Registered
- May 25, 2011
- Domain
- uncg.edu
- Industry
- Education and Research
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
152.40.0.0/18
Routing history
- Pattern
- Stable
- First seen
- Dec 2018
- Current origin since
- Dec 2018 · 7.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 152.40.0.0/18 | AS53785 | /18 | ARIN | RPKI valid |
| 152.40.0.0/16 | AS81 | /16 | ARIN | Another network |
IRR
Route objects on 152.40.0.0/18
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS53785 | ARIN | Autogenerated route object | MNT-MCNC-Z | Feb 12, 2026 |
Whois
Registration for this announcement
- Range
- 152.
40. 0. 0/ 18 - Netname
- UNCG-NCREN-B40
- Registrant
- University of North Carolina at Greensboro
- Organization
- University of North Carolina at Greensboro (UNCAG)
- Org address
- 1000 Spring Garden Street, Greensboro, NC, 27412
- Org country
- US
- Type
- Reassigned
- Handle
- NET-152-40-0-0-2
- Parent
- NET-152-40-0-0-1
- Created
- Jan 31, 2011
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 8, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
mcnc. org - Name
- Abuse Contact
- Phone
- +1-919-248-4111
- Handle
- ABUSE3348-ARIN