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Data as of Nov 3, 2026

181.91.84.0/23

1 anonymizer address · 0.20% · VPN512 residential-proxy exits · 30 days

Nucleo S.A.

Announcement
this exact prefix
RPKI valid
Announced by
AS27895
Type
Unknown
>99% of it

Residential-proxy exits

Proxy exits
512
100% of its addresses · 30 days
Always-on exits
489
96% of its exits
Spread
2 of 2
/24s with at least one exit
Providers
44
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

3.4M observations
  • VPN · anonymizer
  • Unknown

/24s with the most always-on exits

/24Always-on exitsProxy exits
181.91.85.0/24245253
181.91.84.0/24244250

Proxy providers listing exits

  • 711Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BirdProxies
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • CatProxies
  • DataImpulse
  • Decodo
  • Evomi
  • FlashProxy
  • Geonode
  • GloryCloud
  • GonzoProxy
  • IPCola
  • IPFly
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LemonBright
  • Maskify
  • NSocks
  • Novada
  • Oxylabs
  • PacketStream
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • Proxyma
  • RapidProxy
  • Shifter
  • StrikeProxy
  • Thordata
  • ThunderProxy
  • VitalExclusive
  • Webshare
IPv4 market

Path

1 · Holder
Unnamed holder
2 · Leased from
not leased
3 · Announced by
AS27895 Nucleo S.A.
since Mar 2024 · 2.6 yr ago
4 · Use
VPN servicesnamed VPN Gate
Unknown

Operators, sellers and brokers

VPN services

NameParentIn 181.91.84.0/23/24s
VPN GateUniversity of Tsukuba
10.20%
1

Lineage

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

181.91.84.0/23

From the registry to its use

  1. Sep 19, 2011
    Assigned
    Núcleo S.A.
    allocated
    181.91.84.0/22
  2. Apr 15, 2021– today
    Announced
    AS7303 Telecom Argentina S.A.
    as part of 181.90.0.0/15
    181.90.0.0/15
  3. Mar 30, 2024– today
    Announced
    AS27895 Nucleo S.A.
  4. today
    Used
    VPN Gate
    VPN

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsRPKI
181.90.0.0/15
since Apr 2021
AS7303Residential15,884
1,452 always on
181.80.0.0/12
since Apr 2021
AS7303Residential94,825
6,396 always on

Composition

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

Announced space

Address share

Announced space

Types across the prefix

512 addresses
TypeAddressesShareRanges
Unknown511>99%2
VPNanonymizer10.20%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Not stated by the registry
Origin network

AS27895

PY
Name
Nucleo S.A.
Registered
Jun 22, 2009
Domain
personal.com.py
Website
www.personal.com.py
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed