Network topology

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

AS16399

Currently announcedSnapshot awaiting refresh

FIRSTCOMM-AS2 - First Communications LLC · FIRSTCOMM-AS2

Last observed9/30/2026, 17:03:12Open ASN profile →

AS16399 relationship topology

Showing 7 / 7

AS16399First Communications LLC

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS174COGENT-174 - Cogent Communications, LLC

Relationship: Upstream
Observed weight: 266
ASN registration country: United States
Latest RIS data: 9/30/2026, 00:00:00

Open AS174 profile →

All adjacent autonomous systems

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7 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS174Observed weight 266	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	1,112	532
AS22214Observed weight 251	Medela Inc	Downstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	323	0
AS3356Observed weight 247	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	1,070	644
AS6461Observed weight 222	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	2,797	1,162
AS40264Observed weight 118	TWC-40264-WI-MN-UPPERMI-C3 - Charter Communications LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	2,449	28
AS10796Observed weight 114	TWC-10796-MIDWEST - Charter Communications Inc	Downstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	158	0
AS55089Observed weight 22	THE SEGERDAHL CORP.	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	36	0

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