Network topology

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

AS62983

Currently announcedSnapshot awaiting refresh

The Massachusetts Port Authority · AS-MPA

Last observed10/6/2026, 11:06:27Open ASN profile →

AS62983 relationship topology

Showing 3 / 3

AS62983The Massachusetts Port …

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS398427MARKLEY-NETWORK-SERVICES - Markley Network Services, LLC

Relationship: Upstream
Observed weight: 258
ASN registration country: United States
Latest RIS data: 10/6/2026, 00:00:00

Open AS398427 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS398427Observed weight 258	MARKLEY-NETWORK-SERVICES - Markley Network Services, LLC	Upstream	United States	8/25/2019, 00:00:00	10/6/2026, 00:00:00	334
AS174Observed weight 185	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/25/2019, 00:00:00	10/6/2026, 00:00:00	892
AS46887Observed weight 69	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/25/2019, 00:00:00	10/6/2026, 00:00:00	436

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