Network topology

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

AS3371

Currently announcedSnapshot awaiting refresh

MCI-ASN - Verizon Business · MCI-ASN

Last observed10/16/2026, 00:00:00Open ASN profile →

AS3371 relationship topology

Showing 6 / 6

AS3371Verizon Business

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3378MCI-ASN - Verizon Business

Relationship: Upstream
Observed weight: 1,715
ASN registration country: United States
Latest RIS data: 10/16/2026, 00:00:00

Open AS3378 profile →

All adjacent autonomous systems

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

6 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	Visible prefixes	Collectors
AS3378Observed weight 1,715	MCI-ASN - Verizon Business	Upstream	United States	8/19/2019, 00:00:00	10/16/2026, 00:00:00	31	1
AS3374Observed weight 260	Verizon Business	Downstream	United States	8/19/2019, 00:00:00	10/16/2026, 00:00:00	2	1
AS3373Observed weight 259	Verizon Business	Downstream	United States	8/19/2019, 00:00:00	10/16/2026, 00:00:00	1	1
AS3376Observed weight 259	Verizon Business	Downstream	United States	8/19/2019, 00:00:00	10/16/2026, 00:00:00	4	1
AS3377Observed weight 259	MCI-ASN - Verizon Business	Downstream	United States	8/19/2019, 00:00:00	10/16/2026, 00:00:00	2	1
AS3372Observed weight 257	Verizon Business	Upstream	United States	8/19/2019, 00:00:00	10/16/2026, 00:00:00	2	1

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