Network topology

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

AS3620

Currently announcedSnapshot awaiting refresh

Verizon Business · MCIASN-BLK

Last observed9/29/2026, 10:55:26Open ASN profile →

AS3620 relationship topology

Showing 1 / 1

AS3620Verizon Business

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS703UUNET - Verizon Business

Relationship: Upstream
Observed weight: 263
ASN registration country: United States
Latest RIS data: 10/5/2026, 00:00:00

Open AS703 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
AS703Observed weight 263	UUNET - Verizon Business	Upstream	United States	8/19/2019, 00:00:00	10/5/2026, 00:00:00	331	0

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