Autonomous system profile

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

AS28203

Announcement observedUnknown RIR

AS28203 - Webcenter Sist Prest de Servicos de Informatica · AS28203

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

Last active10/2/2026, 01:02:48Snapshot expired

View network topology RDAP registration

ASN: AS28203
Registration country: Registration country pending sync
Name: AS28203 - Webcenter Sist Prest de Servicos de Informatica
Abbreviation: AS28203
Registration date: Not recorded
Status: Announcement observed
RIR: Not recorded

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
189.91.32.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Historical record
189.91.34.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Historical record
189.91.36.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Historical record
189.91.40.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Historical record
189.91.43.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Historical record
189.91.44.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Historical record

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

Registration and sources

Organization: AS28203 - Webcenter Sist Prest de Servicos de Informatica
RIR: Not recorded
Registration country: Registration country pending sync
Registration date: Not recorded
Abuse contact: Not recorded

Snapshot trend

10/2/2026, 01:02:486 v40 v62 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