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Data as of Nov 8, 2026

31.133.104.0/21

5 residential-proxy exits · 30 days

Federal State Budgetary Educational Institution of Higher Education 'Novosibirsk State Architectural and Construction University (Sibstrin)'

Announcement
this exact prefix
RPKI valid
Announced by
AS197768
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
5
0.24% of its addresses · 30 days
Spread
4 of 8
/24s with at least one exit
Providers
25
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

701 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
31.133.104.0/2401
31.133.109.0/2401
31.133.110.0/2401
31.133.111.0/2401

Proxy providers listing exits

  • BartProxies
  • BirdProxies
  • ByteProxies
  • Byteful
  • CliProxy
  • EnigmaProxy
  • FlexyProxies
  • GSocks
  • Geonix
  • GonzoProxy
  • IPFly
  • IPPeak
  • Infatica
  • LemonPrime
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • Proxyma
  • RainProxy
  • Shifter
  • VantageProxies
  • VitalExclusive

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS197768

RU
Name
Federal State Budgetary Educational Institution of Higher Education 'Novosibirsk State Architectural and Construction University (Sibstrin)'
Type
Education
Registered
Apr 21, 2011
Domain
sibstrin.ru
Website
sibstrin.ru
Industry
Freight, Shipment, and Postal Services
Spamhaus ASN-DROP
not listed