Data as of Nov 9, 2026

204.85.191.0/24

3 anonymizer addresses · 1.2% · Tor exit3 residential-proxy exits · 30 days

University of North Carolina at Chapel Hill · space held by MCNC

Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
99% of it

Residential-proxy exits

Proxy exits
3
1.2% of its addresses · 30 days
Providers
18
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

9 observations

Proxy providers listing exits

  • Ake.net
  • BottingTools
  • EZProxies
  • EnigmaProxy
  • FloppyData
  • IPFly
  • Infatica
  • MoMoProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PacketStream
  • ProxyEmpire
  • PuraRoute
  • RapidProxy
  • Thordata
  • ThunderProxy
  • VitalExclusive
IPv4 market

Path

1 · Holder
record created Jun 30, 1994
2 · Leased from
not leased
3 · Announced by
AS36850 University of North Carolina at Chapel Hill
since Jul 2017 · 9.3 yr ago
4 · Use
named Tor
Business

Operators, sellers and brokers

Tor

NameParentIn 204.85.191.0/24/24s
TorThe Tor Project
31.2%
1

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

204.85.191.0/24

From the registry to its use

  1. Jun 30, 1994
    Registry record
    MCNC
    Direct Allocation (legacy, pre-1997)
    204.84.0.0/15
  2. Aug 8, 2006– Aug 22, 2015
    Announced
    AS36850 University of North Carolina at Chapel Hill
    Education
  3. Sep 1, 2015– today
    Announced
    AS36850 University of North Carolina at Chapel Hill
    as part of 204.85.176.0/20
    204.85.176.0/20
  4. Jul 29, 2017– today
    Announced
    AS36850 University of North Carolina at Chapel Hill
    Education
  5. Oct 29, 2019
    Assigned
    University of North Carolina at Chapel Hill
    Reassigned
    204.85.176.0/20
  6. Mar 4, 2022
    Route object
    AS36850 University of North Carolina at Chapel Hill
    ARIN route object for AS36850 University of North Carolina at Chapel Hill, maintainer MNT-MCNC-Z
  7. today
    Used
    Tor
    Tor

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
204.85.176.0/20
since Sep 2015
AS36850Business3MCNC
204.84.0.0/15
since May 2005
AS81Business79
2 always on
MCNC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
204.84.0.0/15131,072NCREN-CIDR3MCNC (MCNC-Z) · USDirect AllocationJun 30, 1994abuse@mcnc.org
└ 204.85.176.0/204,096UNCCH-NCREN-IPV4-3University of North Carolina at Chapel Hill (UNC-1) · USReassignedOct 29, 2019security@unc.edu

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Business25399%2
Tor exitanonymizer31.2%3

Network & registry

IPv4 market

Holder

Organization
MCNC
Handle
MCNC-Z
Range
204.84.0.0/15
Registration type
Direct Allocation
Record created
Jun 30, 1994
Legacy
yes
Origin network

AS36850

US
Name
University of North Carolina at Chapel Hill
Type
Education
Registered
May 15, 2006
Domain
unc.edu
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed
Tor exits
3