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Data as of Nov 5, 2026

81.31.87.0/25

No anonymizer space · no proxy exits in 30 days

TDC Holding A/S

Announcement
81.31.80.0/20
RPKI valid
Announced by
AS3292
Type
Residential
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
81.31.80.0/204,096DK-TELEDANMARK-20060406TDC Holding A/S (ORG-TD1-RIPE) · DKALLOCATED PAApr 6, 2006postmaster@abuse.mail.dk
└ 81.31.87.0/25128TDC-TELEDANMARK-BREDBAANDSADSL-NETTDC BB-ADSL usersASSIGNED PAFeb 7, 2012postmaster@abuse.mail.dk
via DK-TELEDANMARK-20060406

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 81.31.80.0/20

Prefix
81.31.80.0/20
Announced by
AS3292 TDC Holding A/S
Type
Residential
Proxy exits
4
RPKI
RPKI valid
Netname
DK-TELEDANMARK-20060406
Registrant
TDC Holding A/S
RIR
RIPE NCC
Origin network

AS3292

DK
Name
TDC Holding A/S
Type
Internet provider
Registered
Jan 17, 1995
Domain
tdcgroup.com
Website
www.tdcgroup.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed