Data as of Nov 9, 2026

81.31.160.0/19

2 residential-proxy exits · 30 days

Sharif University Of Technology

Announcement
this exact prefix
No RPKI
Announced by
Type
Business

Residential-proxy exits

Proxy exits
2
0.02% of its addresses · 30 days
Spread
1 of 32
/24s with at least one exit
Providers
23
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

52 observations

Proxy providers listing exits

  • 2Captcha
  • BirdProxies
  • ByteProxies
  • Byteful
  • FlashProxy
  • GSocks
  • Geonix
  • GonzoProxy
  • HydraProxy
  • IPOasis
  • Infatica
  • LemonLabs
  • LightningProxies
  • MangoProxy
  • NodeProxy
  • Proxy-Seller
  • ProxyEmpire
  • Proxyma
  • RainProxy
  • Shifter
  • Smartproxy
  • Thordata
  • VitalExclusive

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
81.31.160.0/24
since Apr 2020
AS12660BusinessSharif University Of Technology
81.31.168.0/23
since Oct 2019
AS12660BusinessSharif University Of Technology
81.31.168.0/24
since May 2025
AS12660BusinessSharif University Of Technology
81.31.169.0/24
since May 2025
AS12660BusinessSharif University Of Technology
81.31.170.0/24
since Nov 2020
AS12660Business2Sharif University Of Technology
81.31.171.0/24
since Jan 2021
AS12660BusinessSharif University Of Technology
81.31.172.0/24
since Jun 2026
AS12660BusinessSharif University Of Technology
81.31.173.0/24
since Sep 2026
AS12660BusinessSharif University Of Technology
81.31.176.0/22
since Dec 2018
AS12660BusinessSharif University Of Technology
81.31.180.0/22
since May 2026
AS12660BusinessSharif University Of Technology
81.31.186.0/24
since Nov 2019
AS12660BusinessSharif University Of Technology

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
81.31.160.0/198,192IR-SHARIF-20020603Sharif University Of Technology (ORG-SUOT1-RIPE) · IRALLOCATED PADec 8, 2003ripe@sharif.edu
└ 81.31.160.0/212,048SHARIF-EDU-NETSharif University Of Technology Main BlockASSIGNED PAAug 6, 2002ripe@sharif.edu
via IR-SHARIF-20020603
└ 81.31.168.0/221,024SHARIF-EDU-NETSharif University Of TechnologyASSIGNED PASep 30, 2002ripe@sharif.edu
via IR-SHARIF-20020603

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Origin network

AS12660

IR
Name
Sharif University Of Technology
Type
Education
Registered
Aug 15, 2002
Domain
sharif.ir
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed