Network topology

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

AS8837

Currently announcedSnapshot awaiting refresh

Arelion Sweden AB · TWELVE99-IPX

Last observed9/29/2026, 22:41:26Open ASN profile →

AS8837 relationship topology

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AS8837Arelion Sweden AB

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1299TWELVE99 Arelion Sweden AB

Relationship: Upstream
Observed weight: 249
ASN registration country: Sweden
Latest RIS data: 9/29/2026, 00:00:00

Open AS1299 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
AS1299Observed weight 249	TWELVE99 Arelion Sweden AB	Upstream	Sweden	8/19/2019, 00:00:00	9/29/2026, 00:00:00	333	0

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