Network topology

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

AS12097

Currently announcedSnapshot awaiting refresh

Armstrong · MASSCOM

Last observed9/30/2026, 06:10:49Open ASN profile →

AS12097 relationship topology

Showing 5 / 5

AS12097Armstrong

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS27364ACS-INTERNET - Armstrong

Relationship: Upstream
Observed weight: 722
ASN registration country: United States
Latest RIS data: 9/29/2026, 00:00:00

Open AS27364 profile →

All adjacent autonomous systems

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

5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS27364Observed weight 722	ACS-INTERNET - Armstrong	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	1,875	336
AS6461Observed weight 493	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	6,754	0
AS400141Observed weight 262	Pattersonville Telephone Co	Downstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	333	0
AS18571Observed weight 258	The Western Reserve Mutual Casualty Company	Downstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	337	0
AS4922Observed weight 68	SHENTEL - Shenandoah Cable Television LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	785	0

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