Network topology

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

AS19899

Currently announcedSnapshot awaiting refresh

Miami Dade College · MDC-EDU

Last observed10/1/2026, 03:52:04Open ASN profile →

AS19899 relationship topology

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AS19899Miami Dade College

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC

Relationship: Upstream
Observed weight: 287
ASN registration country: United States
Latest RIS data: 10/9/2026, 08:00:00

Open AS46887 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
AS46887Observed weight 287	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/21/2019, 00:00:00	10/9/2026, 08:00:00	1,378	0
AS20214Observed weight 268	COMCAST-20214 - Comcast Cable Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	10/9/2026, 08:00:00	641	0

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