Network topology

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

AS19148

Currently announcedSnapshot awaiting refresh

Leaseweb USA, Inc. · LEASEWEB-USA-PHX

Last observed10/1/2026, 00:59:16Open ASN profile →

AS19148 relationship topology

Showing 3 / 3

AS19148Leaseweb USA, Inc.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1299TWELVE99 Arelion Sweden AB

Relationship: Upstream
Observed weight: 294
ASN registration country: Sweden
Latest RIS data: 9/30/2026, 00:00:00

Open AS1299 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS1299Observed weight 294	TWELVE99 Arelion Sweden AB	Upstream	Sweden	8/19/2019, 00:00:00	9/30/2026, 00:00:00	6,896	3,542
AS3356Observed weight 137	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	3,625	224
AS174Observed weight 103	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	4,395	0

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