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Data as of Nov 9, 2026

193.140.83.0/24

No anonymizer space · no proxy exits in 30 days

National Academic Network and Information Center

Announcement
this exact prefix
RPKI valid
Announced by
AS8517
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Sep 18, 2026
from AS8517 National Academic Network and Information Center, after 4.7 years unannounced

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
193.140.0.0/16
since May 2005
AS8517Business588
9 always on
National Academic Network and Information Center

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
193.140.0.0/1665,536TR-ULAKBIM-930901National Academic Network and Information Center (ORG-NANA1-RIPE) · TRALLOCATED PA—abuse@ulakbim.gov.tr
└ 193.140.83.0/24256ULAK-NETNational Academic Network and Information CenterASSIGNED PAMay 11, 2007abuse@ulakbim.gov.tr
via TR-ULAKBIM-930901

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
Registry

Holder

Organization
National Academic Network and Information Center
Handle
ORG-NANA1-RIPE
Range
193.140.0.0/16
Registration type
ALLOCATED PA
Origin network

AS8517

TR
Name
National Academic Network and Information Center
Type
Education
Registered
Oct 21, 1997
Domain
ulakbim.gov.tr
Website
www.ulakbim.gov.tr
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed