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Data as of Nov 9, 2026

81.31.169.0/24

No anonymizer space · no proxy exits in 30 days

Sharif University Of Technology

Announcement
this exact prefix
No RPKI
Announced by
AS12660
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
81.31.168.0/23
since Oct 2019
AS12660BusinessSharif University Of Technology
81.31.160.0/19
since May 2005
AS12660Business2Sharif 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
└ 81.31.168.0/221,024SHARIF-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

AnnouncementRouting historyWhois & abuse
Registry

Holder

Organization
Sharif University Of Technology
Handle
ORG-SUOT1-RIPE
Range
81.31.160.0/19
Registration type
ALLOCATED PA
Record created
Dec 8, 2003
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