Network topology

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

AS29919

Currently announcedSnapshot awaiting refresh

SELECT PORTFOLIO SERVICING INC · 29919

Last observed10/2/2026, 05:50:06Open ASN profile →

AS29919 relationship topology

Showing 3 / 3

AS29919SELECT PORTFOLIO SERVIC…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 256
ASN registration country: United States
Latest RIS data: 10/18/2026, 00:00:00

Open AS3356 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
AS3356Observed weight 256	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/21/2019, 00:00:00	10/18/2026, 00:00:00	649
AS33489Observed weight 10	COMCAST-33489 - Comcast Cable Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	10/18/2026, 00:00:00	13
AS33660Observed weight 6	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	10/18/2026, 00:00:00	7

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