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Data as of Nov 14, 2026

81.90.53.0/24

1 residential-proxy exit · 30 days

IP Telecom, Servicos de Telecomunicacoes S.A.

Announcement
81.90.48.0/20
RPKI valid
Announced by
AS29003
Type
Internet provider
63% of it

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 15, 2026 – Nov 13, 2026

Exits seen per day

2 observations

Proxy providers listing exits

  • AnyIP

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
81.90.48.0/204,096PT-REFERTELECOM-20081118IP Telecom, Servicos de Telecomunicacoes S.A. (ORG-RTSD1-RIPE) · PTALLOCATED PANov 18, 2008csirt@iptelecom.pt
└ 81.90.53.0/2664REFERTELECOM-INFRA-REFER1Internal REFER infrastructure 1ASSIGNED PAFeb 13, 2013csirt@iptelecom.pt
via PT-REFERTELECOM-20081118
└ 81.90.53.64/2732REFERTELECOM-INFRA-RAVEInternal infrastructure RAVEASSIGNED PAFeb 13, 2013csirt@iptelecom.pt
via PT-REFERTELECOM-20081118
└ 81.90.53.96/2732OFFICELAN-NETunknownASSIGNED PAJan 14, 2019csirt@iptelecom.pt
via PT-REFERTELECOM-20081118
└ 81.90.53.128/2732CP-NETCP - Comboios de PortugalASSIGNED PAAug 6, 2009csirt@iptelecom.pt
via PT-REFERTELECOM-20081118
└ 81.90.53.160 - 81.90.53.17314REFERTELECOM-VIRTUAL-CHKunknownASSIGNED PAApr 14, 2015csirt@iptelecom.pt
via PT-REFERTELECOM-20081118
└ 81.90.53.176/2816REFERTELECOM-VIRTUAL-CHKIPT-Infra NGCS 2 PORASSIGNED PAApr 14, 2015csirt@iptelecom.pt
via PT-REFERTELECOM-20081118
└ 81.90.53.192/2816BORGSTENA-NETBorgstena Textile PortugalASSIGNED PAMar 19, 2010csirt@iptelecom.pt
via PT-REFERTELECOM-20081118
└ 81.90.53.224/298DE-CIX_NetunknownASSIGNED PADec 18, 2024csirt@iptelecom.pt
via PT-REFERTELECOM-20081118
└ 81.90.53.232/298SOCEM-NETSOCEMASSIGNED PAFeb 15, 2013csirt@iptelecom.pt
via PT-REFERTELECOM-20081118
└ 81.90.53.240/298REFERTELECOM-INFRA-REFER2unknownASSIGNED PAFeb 13, 2013csirt@iptelecom.pt
via PT-REFERTELECOM-20081118
└ 81.90.53.248/298REFERTELECOM-INFRA5Internal infrastructure 5ASSIGNED PAFeb 13, 2013csirt@iptelecom.pt
via PT-REFERTELECOM-20081118

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

256 addresses
TypeAddressesShareRanges
Internet provider16063%4
Business9638%5

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 81.90.48.0/20

81.90.48.0/20

Routing history

Pattern
Stable
First seen
May 2006
Current origin since
Nov 2008 · 18 yr
Origin networks
2
Last change of origin
Nov 2008
Recorded history

History

Handoffs
1