Network topology

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

AS54063

Currently announcedSnapshot awaiting refresh

Memorial Hermann Health System · MHHS-AS

Last observed10/5/2026, 02:09:46Open ASN profile →

AS54063 relationship topology

Showing 4 / 4

AS54063Memorial Hermann Health…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 245
ASN registration country: United States
Latest RIS data: 10/4/2026, 00:00:00

Open AS3356 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS3356Observed weight 245	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/25/2019, 00:00:00	10/4/2026, 00:00:00	587
AS33662Observed weight 217	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/25/2019, 00:00:00	10/4/2026, 00:00:00	281
AS7018Observed weight 186	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/25/2019, 00:00:00	10/4/2026, 00:00:00	403
AS46887Observed weight 134	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/25/2019, 00:00:00	10/4/2026, 00:00:00	391

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