Network topology

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

AS33879

Currently announcedSnapshot awaiting refresh

Forth Ports Public Limited Company · FORTHS-PORTS-PLC

Last observed10/23/2026, 00:43:05Open ASN profile →

AS33879 relationship topology

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AS33879Forth Ports Public Limi…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS5089NTL Virgin Media Limited

Relationship: Upstream
Observed weight: 126
ASN registration country: United Kingdom
Latest RIS data: 10/22/2026, 00:00:00

Open AS5089 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
AS5089Observed weight 126	NTL Virgin Media Limited	Upstream	United Kingdom	8/21/2019, 00:00:00	10/22/2026, 00:00:00	146	0
AS2856Observed weight 18	BT-UK-AS British Telecommunications Limited	Upstream	United Kingdom	8/21/2019, 00:00:00	10/22/2026, 00:00:00	22	0

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