Network topology

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

AS3783

Currently announcedSnapshot awaiting refresh

AIU-ALLEGHENY-CONNECT-RWAN - Allegheny Intermediate Unit · AIU-ALLEGHENY-CONNECT-RWAN

Last observed9/29/2026, 10:58:12Open ASN profile →

AS3783 relationship topology

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AS3783Allegheny Intermediate …

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC

Relationship: Upstream
Observed weight: 423
ASN registration country: United States
Latest RIS data: 11/1/2026, 00:00:00

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All adjacent autonomous systems

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5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS46887Observed weight 423	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/19/2019, 00:00:00	11/1/2026, 00:00:00	1,908	34
AS14773Observed weight 415	LANLEB-IU13 - Lancaster Lebanon Intermediate Unit 13	Upstream	United States	8/19/2019, 00:00:00	11/1/2026, 00:00:00	699	316
AS398894Observed weight 319	Pine-Richland School District	Downstream	United States	8/19/2019, 00:00:00	11/1/2026, 00:00:00	107	359
AS397459Observed weight 263	Upper St. Clair School District	Downstream	United States	8/19/2019, 00:00:00	11/1/2026, 00:00:00	337	0
AS5050Observed weight 56	PSC-EXT - Pittsburgh Supercomputing Center	Upstream	United States	8/19/2019, 00:00:00	11/1/2026, 00:00:00	196	9

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