Data as of Nov 5, 2026

81.31.80.0/20

4 residential-proxy exits · 30 days

TDC Holding A/S

Announcement

this exact prefix

RPKI valid

Announced by

AS3292

Type

Residential

99% of it

Residential-proxy exits

Proxy exits

0.10% of its addresses · 30 days

Spread

3 of 16

/24s with at least one exit

Providers

selling exits here

Oct 6, 2026 – Nov 4, 2026

Exits seen per day

217 observations

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
81.31.84.0/24	0	2
81.31.88.0/24	0	1
81.31.92.0/24	0	1

Proxy providers listing exits

AnyIP
BottingTools
Decodo
LemonBright
Oxylabs
Thordata

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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
81.31.80.0/20	4,096	DK-TELEDANMARK-20060406	TDC Holding A/S (ORG-TD1-RIPE) · DK	ALLOCATED PA	Apr 6, 2006	postmaster@abuse.mail.dk
└ 81.31.81.0/24	256	TDC-BREDBAANDSADSL-STATIC-NET	TDC BB-ADSL users	ASSIGNED PA	Dec 23, 2011	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.82.0/24	256	TDC-IPTV-NET	TDC VOD/IPTV service	ASSIGNED PA	Dec 23, 2011	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.83.0/24	256	TDC-TELEDANMARK-BREDBAANDSADSL-NET	TDC BB-ADSL users	ASSIGNED PA	Jan 5, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.84.0/24	256	TDC-TELEDANMARK-BREDBAANDSADSL-NET	TDC BB-ADSL users	ASSIGNED PA	Aug 17, 2026	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.85.0/24	256	TDC-BREDBAANDSADSL-STATIC-NET	TDC BB-ADSL users	ASSIGNED PA	Jan 17, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.86.0/24	256	TDC-BREDBAANDSADSL-STATIC-NET	TDC BB-ADSL users	ASSIGNED PA	Jan 31, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.87.0/25	128	TDC-TELEDANMARK-BREDBAANDSADSL-NET	TDC BB-ADSL users	ASSIGNED PA	Feb 7, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.87.128/25	128	TDC-TELEDANMARK-BREDBAANDSADSL-NET	TDC BB-ADSL users	ASSIGNED PA	May 30, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.88.128/26	64	TDC-TELEDANMARK-BREDBAANDSADSL-NET	TDC BB-ADSL users	ASSIGNED PA	Sep 16, 2025	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.88.192/27	32	TDC-IPTV-NET	TDC VOD-IPTV service	ASSIGNED PA	Sep 16, 2025	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.88.224/27	32	TDC-BREDBAANDS-TELEFONI	TDC IP telephony users	ASSIGNED PA	Sep 16, 2025	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.89.0/24	256	TDC-BREDBAANDSADSL-STATIC-NET	TDC BB-ADSL users	ASSIGNED PA	Dec 23, 2011	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.90.0/24	256	TDC-BREDBAANDSADSL-STATIC-NET	TDC BB-ADSL users	ASSIGNED PA	Jan 4, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.91.0/24	256	TDC-BREDBAANDS-TELEFONI	TDC IP telephony users	ASSIGNED PA	Jan 6, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.92.0/24	256	TDC-TELEDANMARK-BREDBAANDSADSL-NET	TDC BB-ADSL users	ASSIGNED PA	Jan 9, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.93.0/24	256	TDC-BREDBAANDSADSL-STATIC-NET	TDC BB-ADSL users	ASSIGNED PA	Jan 9, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.32/30	4	TDC-BREDBAANDSADSL-PROF-NET	TDC Bredbaand Professionel users	ASSIGNED PA	Feb 27, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.56/29	8	ICP-DENMARK-A-S-NET	Icp Denmark A-S	ASSIGNED PA	Mar 2, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.64/30	4	TDC-BREDBAANDSADSL-PROF-NET	TDC Bredbaand Professionel users	ASSIGNED PA	Mar 7, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.68/30	4	TDC-BREDBAANDSADSL-PROF-NET	TDC Bredbaand Professionel users	ASSIGNED PA	Mar 9, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.84/30	4	TDC-BREDBAANDSADSL-PROF-NET	TDC Bredbaand Professionel users	ASSIGNED PA	Mar 15, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.136/30	4	TDC-BREDBAANDSADSL-PROF-NET	TDC Bredbaand Professionel users	ASSIGNED PA	Mar 23, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.148/30	4	TDC-BREDBAANDSADSL-PROF-NET	TDC Bredbaand Professionel users	ASSIGNED PA	Mar 25, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.160/30	4	TDC-BREDBAANDSADSL-PROF-NET	TDC Bredbaand Professionel users	ASSIGNED PA	Mar 22, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.168/29	8	MARKETING-CONSULT-NET	Marketing Consult	ASSIGNED PA	Mar 27, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.184/30	4	TDC-BREDBAANDSADSL-PROF-NET	TDC Bredbaand Professionel users	ASSIGNED PA	Mar 28, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.204/30	4	TDC-BREDBAANDSADSL-PROF-NET	TDC Bredbaand Professionel users	ASSIGNED PA	Sep 2, 2013	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.212/30	4	TDC-CUSTOMER-NET	TDC IP Customers	ASSIGNED PA	Jan 21, 2026	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.216/30	4	TDC-BREDBAANDSADSL-PROF-NET	TDC Bredbaand Professionel users	ASSIGNED PA	Apr 1, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.94.248/30	4	TDC-BREDBAANDSADSL-PROF-NET	TDC Bredbaand Professionel users	ASSIGNED PA	Apr 9, 2012	postmaster@abuse.mail.dk via DK-TELEDANMARK-20060406
└ 81.31.95.0/25	128	TDC-BREDBAANDSADSL-STATIC-NET	TDC BB-ADSL users	ASSIGNED PA	Jan 11, 2012	postmaster@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.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses

Type	Addresses	Share	Ranges
Residential	4,036	99%	12
Business	60	1.5%	13

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS3292

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

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
81.31.80.0/20	AS3292	/20	RIPE	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS3292	RIPE	DK-TELEDANMARK-20060406	AS3292-MNT	Apr 27, 2011

81.31.80.0/20

Residential-proxy exits

Exits seen per day

/24s with the most always-on exits

Proxy providers listing exits

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS3292

Who has announced this prefix

Routing history

Route origin authorizations

Route objects on the exact prefix

Registration for this announcement

Abuse contact