Network topology

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

AS23141

Currently announcedSnapshot awaiting refresh

DTCNET - Doylestown Communications Inc · DTCNET

Last observed10/1/2026, 11:51:22Open ASN profile →

AS23141 relationship topology

Showing 3 / 3

AS23141Doylestown Communicatio…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS19009Missouri Network Alliance, LLC

Relationship: Upstream
Observed weight: 276
ASN registration country: United States
Latest RIS data: 10/31/2026, 00:00:00

Open AS19009 profile →

All adjacent autonomous systems

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

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS19009Observed weight 276	Missouri Network Alliance, LLC	Upstream	United States	8/21/2019, 00:00:00	10/31/2026, 00:00:00	762
AS3356Observed weight 249	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/21/2019, 00:00:00	10/31/2026, 00:00:00	323
AS7018Observed weight 8	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/21/2019, 00:00:00	10/31/2026, 00:00:00	8

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