Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS44143

Announcement observedRIPE NCC

A1 Srbija d.o.o. Beograd · A1SERBIA-AS

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/21/2026, 11:13:05Snapshot expired

View network topology RDAP registration

ASN: AS44143
Registration country: Serbia
Name: A1 Srbija d.o.o. Beograd
Abbreviation: A1SERBIA-AS
Registration date: 11/23/2007, 08:24:49
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
152.117.16.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/29/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
185.37.24.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
188.120.104.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
188.120.112.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
188.120.112.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
188.120.116.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
188.120.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
188.120.96.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
198.143.176.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
37.19.104.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
77.243.16.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
95.86.4.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
95.86.48.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
95.86.60.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record
95.86.8.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/21/2026, 08:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: A1 Srbija d.o.o. Beograd
RIR: RIPE NCC
Registration country: Serbia
Registration date: 11/23/2007, 08:24:49
Abuse contact: zloupotreba@a1.rs

Snapshot trend

10/21/2026, 11:13:0515 v43 v64 Upstream · 0 Uncertain

10/21/2026, 11:09:5115 v43 v65 Upstream · 0 Uncertain

10/3/2026, 20:31:4415 v43 v65 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn