Network topology

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

AS51139

Currently announcedSnapshot awaiting refresh

CASA ATC SERVIZI SRL · CASAATCSERVIZI-AS

Last observed10/4/2026, 16:47:27Open ASN profile →

AS51139 relationship topology

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AS51139CASA ATC SERVIZI SRL

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1267ASN-WINDTRE WIND TRE S.P.A.

Relationship: Upstream
Observed weight: 279
ASN registration country: Italy
Latest RIS data: 10/19/2026, 00:00:00

Open AS1267 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS1267Observed weight 279	ASN-WINDTRE WIND TRE S.P.A.	Upstream	Italy	8/25/2019, 00:00:00	10/19/2026, 00:00:00	658	0
AS12874Observed weight 33	FASTWEB Fastweb SpA	Upstream	Italy	8/25/2019, 00:00:00	10/19/2026, 00:00:00	42	0

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