Data as of Nov 15, 2026

83.220.121.0/24

1 residential-proxy exit · 30 days

T-Mobile Polska S.A.

Announcement

83.220.96.0/19

RPKI valid

Announced by

AS12912

Type

Mobile

Risk

10 / 100 · Low

Shared address

Residential-proxy exits

Proxy exits

0.39% of its addresses · 30 days

Providers

selling exits here

Oct 16, 2026 – Nov 14, 2026

Exits seen per day

91 observations

Proxy providers listing exits

2Extract

Registrations in this block

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

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
83.220.96.0/19	8,192	PL-ERANET-20040402	T-Mobile Polska S.A. (ORG-EG4-RIPE) · PL	ALLOCATED PA	Apr 2, 2004	abuse@t-mobile.pl
└ 83.220.120.0/22	1,024	ERANET	BRAS user pool	ASSIGNED PA	Aug 14, 2008	abuse@t-mobile.pl via PL-ERANET-20040402

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

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced 83.220.96.0/19

83.220.96.0/19

Routing history

Pattern: Stable
First seen: May 2005
Current origin since: May 2005 · 22 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
83.220.96.0/19	AS12912	/19	RIPE	RPKI valid

IRR

Route objects on 83.220.96.0/19

Origin	Registry	Description	Maintainer	Modified
AS12912	RIPE	Eranet	AS12912-MNT	Jan 7, 2005