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Data as of Nov 9, 2026

81.31.160.0/21

No anonymizer space · no proxy exits in 30 days

Sharif University Of Technology

Announcement
81.31.160.0/19
No RPKI
Announced by
AS12660
Type
Business

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
81.31.160.0/24
since Apr 2020
AS12660BusinessSharif University Of Technology

Registrations in this block

The registry's network records over this block, widest first, each 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

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 historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 81.31.160.0/19

Prefix
81.31.160.0/19
Announced by
AS12660 Sharif University Of Technology
Type
Business
Proxy exits
2
RPKI
No RPKI
Netname
IR-SHARIF-20020603
Registrant
Sharif University Of Technology
RIR
RIPE NCC
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