Network topology

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

AS212601

Currently announcedSnapshot awaiting refresh

Calastone Calastone Limited · Calastone

Last observed10/12/2026, 20:57:51Open ASN profile →

AS212601 relationship topology

Showing 1 / 1

AS212601Calastone Calastone Lim…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS20860IOMART CLOUD SERVICES LIMITED

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

Open AS20860 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS20860Observed weight 265	IOMART CLOUD SERVICES LIMITED	Upstream	United Kingdom	8/28/2019, 00:00:00	10/12/2026, 00:00:00	684	0

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