Network topology

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

AS42307

Currently announcedSnapshot awaiting refresh

Sveriges Meteorologiska och Hydrologiska Institut · SMHI-AS

Last observed10/16/2026, 04:57:12Open ASN profile →

AS42307 relationship topology

Showing 2 / 2

AS42307Sveriges Meteorologiska…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1653SUNET - Vetenskapsradet / SUNET

Relationship: Upstream
Observed weight: 273
ASN registration country: Sweden
Latest RIS data: 11/2/2026, 00:00:00

Open AS1653 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
AS1653Observed weight 273	SUNET - Vetenskapsradet / SUNET	Upstream	Sweden	8/23/2019, 00:00:00	11/2/2026, 00:00:00	254	445
AS1257Observed weight 258	SWIPNET - Tele2 Sverige AB	Upstream	Sweden	8/23/2019, 00:00:00	11/2/2026, 00:00:00	419	226

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