Network topology

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

AS53373

Currently announcedSnapshot awaiting refresh

MATH-INC - Mathematica, Inc. · MATH-INC

Last observed10/5/2026, 00:14:16Open ASN profile →

AS53373 relationship topology

Showing 4 / 4

AS53373Mathematica, Inc.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7046RFC2270-UUNET-CUSTOMER - Verizon Business

Relationship: Upstream
Observed weight: 260
ASN registration country: United States
Latest RIS data: 10/13/2026, 00:00:00

Open AS7046 profile →

All adjacent autonomous systems

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

4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS7046Observed weight 260	RFC2270-UUNET-CUSTOMER - Verizon Business	Upstream	United States	8/25/2019, 00:00:00	10/13/2026, 00:00:00	332
AS33657Observed weight 255	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/25/2019, 00:00:00	10/13/2026, 00:00:00	1,332
AS33287Observed weight 221	COMCAST-33287 - Comcast Cable Communications, LLC	Upstream	United States	8/25/2019, 00:00:00	10/13/2026, 00:00:00	285
AS33659Observed weight 38	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/25/2019, 00:00:00	10/13/2026, 00:00:00	49

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