Network topology

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

AS400559

Currently announcedSnapshot awaiting refresh

Boston Broadband · BOSTON-BROADBAND

Last observed11/1/2026, 17:11:54Open ASN profile →

AS400559 relationship topology

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AS400559Boston Broadband

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS394548GIGSTREEM-BOS - GiGstreem

Relationship: Upstream
Observed weight: 255
ASN registration country: United States
Latest RIS data: 11/1/2026, 00:00:00

Open AS394548 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS394548Observed weight 255	GIGSTREEM-BOS - GiGstreem	Upstream	United States	9/19/2019, 00:00:00	11/1/2026, 00:00:00	332	0

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