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Data as of Nov 4, 2026

89.174.75.0/24

No anonymizer space · no proxy exits in 30 days

Librum Sp. z o.o. · space held by T-Mobile Polska S.A.

Announcement
this exact prefix
RPKI valid
Announced by
AS6873
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
89.174.0.0/16
since Mar 2022
AS12912Mobile97
9 always on
T-Mobile Polska S.A.

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
89.174.0.0/1665,536PL-IT-20060327T-Mobile Polska S.A. (ORG-ITP1-RIPE) · PLALLOCATED PAMar 27, 2006[email protected]
└ 89.174.75.0/24256LIBRUM-NETWORKul. Moniuszki 7A/6ASSIGNED PAApr 24, 2025[email protected]
via PL-IT-20060327

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
T-Mobile Polska S.A.
Handle
ORG-ITP1-RIPE
Range
89.174.0.0/16
Registration type
ALLOCATED PA
Record created
Mar 27, 2006
Origin network

AS6873

PL
Name
Librum Sp. z o.o.
Type
Business
Registered
Jul 27, 2009
Domain
librum.pl
Industry
Law, Business, and Consulting Services
Spamhaus ASN-DROP
not listed