Network topology

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

AS19901

Currently announcedSnapshot awaiting refresh

BRIGHTSPEED - Brightspeed · BRIGHTSPEED

Last observed10/15/2026, 15:14:10Open ASN profile →

AS19901 relationship topology

Showing 6 / 6

AS19901Brightspeed

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 407
ASN registration country: United States
Latest RIS data: 10/15/2026, 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.

6 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS3356Observed weight 407	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/21/2019, 00:00:00	10/15/2026, 00:00:00	416,342	16,131
AS36086Observed weight 370	TELX-LEGACY - Telx	Upstream	United States	8/21/2019, 00:00:00	10/15/2026, 00:00:00	1,437	0
AS12129Observed weight 363	123NET - 123.Net, Inc.	Upstream	United States	8/21/2019, 00:00:00	10/15/2026, 00:00:00	5,179	663
AS13335Observed weight 273	CLOUDFLARENET - Cloudflare, Inc.	Upstream	United States	8/21/2019, 00:00:00	10/15/2026, 00:00:00	1,476	0
AS49915Observed weight 197	MEGAPORT Megaport (UK) Limited	Upstream	Ireland	8/21/2019, 00:00:00	10/15/2026, 00:00:00	237	0
AS20205Observed weight 1	AMPLEX - Amplex Electric, Inc.	Uncertain relationship	United States	8/21/2019, 00:00:00	10/15/2026, 00:00:00	14	0

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