Network topology

Relationships come from RIS AS_PATH observations; direction represents path position, not a commercial contract or traffic direction.

AS28581

Currently announcedSnapshot awaiting refresh

AS28581 - Banco Santander (Brasil) S.A. · AS28581

Last observed10/2/2026, 02:15:17Open ASN profile →

AS28581 relationship topology

Showing 3 / 3

AS28581Banco Santander (Brasil…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS4230AS4230 - CLARO S.A.

Relationship: Upstream
Observed weight: 513
ASN registration country: Registration country pending sync
Latest RIS data: 10/1/2026, 00:00:00

Open AS4230 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS4230Observed weight 513	AS4230 - CLARO S.A.	Upstream	Registration country pending sync	8/21/2019, 00:00:00	10/1/2026, 00:00:00	5,509
AS10429Observed weight 55	AS10429 - TELEFONICA BRASIL S.A	Upstream	Registration country pending sync	8/21/2019, 00:00:00	10/1/2026, 00:00:00	323
AS18881Observed weight 1	AS18881 - TELEFONICA BRASIL S.A	Upstream	Registration country pending sync	8/21/2019, 00:00:00	10/1/2026, 00:00:00	1

CHA.LA ASN relationship snapshotRelationships are normalized by CHA.LA from collected routing observations and registration context.CHA.LA routing observations · registration context