Network topology

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

AS199541

Currently announcedSnapshot awaiting refresh

EUROCONTROL, the European Organisation for the Safety of Air Navigation · EUROCONTROL-AS

Last observed11/8/2026, 09:19:54Open ASN profile →

AS199541 relationship topology

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AS199541EUROCONTROL, the Europe…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS5400BT British Telecommunications Limited

Relationship: Upstream
Observed weight: 527
ASN registration country: India
Latest RIS data: 10/12/2026, 16:00:00

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All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS5400Observed weight 527	BT British Telecommunications Limited	Upstream	India	8/28/2019, 00:00:00	10/12/2026, 16:00:00	13,614	0

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