LAYER3 INTEL
Get started
Sign in
Data as of Nov 7, 2026

194.225.53.0/24

No anonymizer space · no proxy exits in 30 days

Tehran University of Medical Science · space held by Institute for Research in Fundamental Sciences

Announcement
this exact prefix
RPKI valid
Announced by
AS43965
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Oct 10, 2026
from AS43965 Tehran University of Medical Science, after 12.1 years unannounced

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
194.225.48.0/21
since Aug 2016
AS43965Business2Institute for Research in Fundamental Sciences
194.225.48.0/20
since Aug 2016
AS43965Business62
1 always on
Institute for Research in Fundamental Sciences
194.225.0.0/17
since Jun 2011
AS6736Business122
1 always on
Institute for Research in Fundamental Sciences
194.225.0.0/16
since May 2005
AS6736Business407
1 always on
Institute for Research in Fundamental Sciences

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
194.225.0.0/1665,536IR-IRANET-951229Institute for Research in Fundamental Sciences (ORG-IA30-RIPE) · IRALLOCATED PAMar 15, 2002abuse@ipm.ir
└ 194.225.48.0/204,096TUMSTehran University of Medical SciencesASSIGNED PAJun 18, 2003abuse@sina.tums.ac.ir

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Institute for Research in Fundamental Sciences
Handle
ORG-IA30-RIPE
Range
194.225.0.0/16
Registration type
ALLOCATED PA
Record created
Mar 15, 2002
Origin network

AS43965

IR
Name
Tehran University of Medical Science
Type
Education
Registered
Oct 29, 2007
Domain
tums.ac.ir
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed