Network topology

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

AS15584

Currently announcedSnapshot awaiting refresh

SIAG Informatica Alto Adige Spa · SIAG

Last observed10/22/2026, 07:36:41Open ASN profile →

AS15584 relationship topology

Showing 3 / 3

AS15584SIAG Informatica Alto A…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS12874FASTWEB Fastweb SpA

Relationship: Upstream
Observed weight: 433
ASN registration country: Italy
Latest RIS data: 10/16/2026, 00:00:00

Open AS12874 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS12874Observed weight 433	FASTWEB Fastweb SpA	Upstream	Italy	8/19/2019, 00:00:00	10/16/2026, 00:00:00	3,470
AS3269Observed weight 281	ASN-IBSNAZ Telecom Italia S.p.A.	Upstream	Italy	8/19/2019, 00:00:00	10/16/2026, 00:00:00	5,255
AS31638Observed weight 265	ASN-LEPIDA Lepida S.c.p.A.	Upstream	Italy	8/19/2019, 00:00:00	10/16/2026, 00:00:00	333

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