Network topology

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

AS213557

Currently announcedSnapshot awaiting refresh

Underscore S.r.l. · Underscore

Last observed10/28/2026, 20:29:54Open ASN profile →

AS213557 relationship topology

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AS213557Underscore S.r.l.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS196874Telenet S.r.l.

Relationship: Upstream
Observed weight: 265
ASN registration country: San Marino
Latest RIS data: 10/12/2026, 00:00:00

Open AS196874 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS196874Observed weight 265	Telenet S.r.l.	Upstream	San Marino	8/28/2019, 00:00:00	10/12/2026, 00:00:00	344	0

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