Network topology

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

AS54530

Currently announcedSnapshot awaiting refresh

SPRINGFIELD-PUBLIC-SCHOOL-MA - Springfield Public Schools · SPRINGFIELD-PUBLIC-SCHOOL-MA

Last observed10/5/2026, 03:22:50Open ASN profile →

AS54530 relationship topology

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AS54530Springfield Public Scho…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC

Relationship: Upstream
Observed weight: 347
ASN registration country: United States
Latest RIS data: 10/4/2026, 00:00:00

Open AS46887 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
AS46887Observed weight 347	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/25/2019, 00:00:00	10/4/2026, 00:00:00	332	333

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