Network topology

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

AS18964

Currently announcedSnapshot awaiting refresh

Adventist Health System Sunbelt Healthcare Corporation · AHSSSCI

Last observed10/1/2026, 00:12:36Open ASN profile →

AS18964 relationship topology

Showing 5 / 5

AS18964Adventist Health System…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 504
ASN registration country: United States
Latest RIS data: 11/2/2026, 00:00:00

Open AS3356 profile →

All adjacent autonomous systems

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5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS3356Observed weight 504	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	2,275
AS15830Observed weight 273	Equinix Equinix (EMEA) Acquisition Enterprises B.V.	Upstream	United Kingdom	8/19/2019, 00:00:00	11/2/2026, 00:00:00	657
AS32787Observed weight 267	PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc.	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	1,080
AS7018Observed weight 260	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	359
AS33363Observed weight 257	BHN-33363 - Charter Communications, Inc	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	331

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