Network topology

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

AS29312

Currently announcedSnapshot awaiting refresh

Comune di Milano · COMUNEMILANO-AS

Last observed10/2/2026, 04:16:35Open ASN profile →

AS29312 relationship topology

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AS29312Comune di Milano

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS12874FASTWEB Fastweb SpA

Relationship: Upstream
Observed weight: 263
ASN registration country: Italy
Latest RIS data: 10/1/2026, 00:00:00

Open AS12874 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
AS12874Observed weight 263	FASTWEB Fastweb SpA	Upstream	Italy	8/21/2019, 00:00:00	10/1/2026, 00:00:00	4,975	0
AS3269Observed weight 258	ASN-IBSNAZ Telecom Italia S.p.A.	Upstream	Italy	8/21/2019, 00:00:00	10/1/2026, 00:00:00	802	0

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