Network topology

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

AS213154

Currently announcedSnapshot awaiting refresh

DAVIDC David Costantino · DAVIDC

Last observed10/12/2026, 23:42:17Open ASN profile →

AS213154 relationship topology

Showing 4 / 4

AS213154DAVIDC David Costantino

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS397423TIER-NET - Tier.Net Technologies LLC

Relationship: Upstream
Observed weight: 321
ASN registration country: United States
Latest RIS data: 10/15/2026, 00:00:00

Open AS397423 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS397423Observed weight 321	TIER-NET - Tier.Net Technologies LLC	Upstream	United States	8/28/2019, 00:00:00	10/15/2026, 00:00:00	131	1,127
AS20473Observed weight 186	The Constant Company, LLC	Upstream	United States	8/28/2019, 00:00:00	10/15/2026, 00:00:00	205	198
AS34872Observed weight 40	Servperso_Systems Sarah Rossius trading as Servperso Systems	Upstream	Belgium	8/28/2019, 00:00:00	10/15/2026, 00:00:00	0	86
AS53356Observed weight 13	FREE RANGE CLOUD - Free Range Cloud Hosting Inc.	Upstream	Canada	8/28/2019, 00:00:00	10/15/2026, 00:00:00	0	52

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