Network topology

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

AS41986

Currently announcedSnapshot awaiting refresh

Sardegna IT srl · SARDEGNAIT-AS

Last observed10/29/2026, 14:42:17Open ASN profile →

AS41986 relationship topology

Showing 3 / 3

AS41986Sardegna IT srl

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS12874FASTWEB Fastweb SpA

Relationship: Upstream
Observed weight: 223
ASN registration country: Italy
Latest RIS data: 10/29/2026, 00:00:00

Open AS12874 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS12874Observed weight 223	FASTWEB Fastweb SpA	Upstream	Italy	8/23/2019, 00:00:00	10/29/2026, 00:00:00	416
AS8612Observed weight 176	TISCALI-IT Smeraldo S.p.A.	Upstream	Italy	8/23/2019, 00:00:00	10/29/2026, 00:00:00	265
AS65507Observed weight 1	Network name pending collection	Upstream	Registration country pending sync	8/23/2019, 00:00:00	10/29/2026, 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