Network topology

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

AS33345

Currently announcedSnapshot awaiting refresh

Sierra Experts · SIERRADATACENTERS

Last observed10/2/2026, 15:04:59Open ASN profile →

AS33345 relationship topology

Showing 2 / 2

AS33345Sierra Experts

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS174COGENT-174 - Cogent Communications, LLC

Relationship: Upstream
Observed weight: 288
ASN registration country: United States
Latest RIS data: 10/2/2026, 00:00:00

Open AS174 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
AS174Observed weight 288	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	991	250
AS33154Observed weight 50	DQE Communications LLC	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	0	79

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