Network topology

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

AS20545

Currently announcedSnapshot awaiting refresh

GRENA-AS Georgian Research and Educational Networking Association (GRENA) · GRENA-AS

Last observed10/1/2026, 05:28:36Open ASN profile →

AS20545 relationship topology

Showing 6 / 6

AS20545GRENA-AS Georgian Resea…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS174COGENT-174 - Cogent Communications, LLC

Relationship: Upstream
Observed weight: 1,029
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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6 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS174Observed weight 1,029	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	9/30/2026, 00:00:00	7,119	305
AS29289Observed weight 255	Georgian Technical University	Downstream	Georgia	8/21/2019, 00:00:00	9/30/2026, 00:00:00	329	0
AS47575Observed weight 255	Ivane Javakhishvili Tbilisi State University	Downstream	Georgia	8/21/2019, 00:00:00	9/30/2026, 00:00:00	329	0
AS35805Observed weight 37	SILKNET-AS JSC "Silknet"	Upstream	Georgia	8/21/2019, 00:00:00	9/30/2026, 00:00:00	49	0
AS20965Observed weight 29	GEANT GEANT Vereniging	Upstream	Netherlands	8/21/2019, 00:00:00	9/30/2026, 00:00:00	182	7
AS47810Observed weight 17	Proservice Proservice LLC	Downstream	Georgia	8/21/2019, 00:00:00	9/30/2026, 00:00:00	83	0

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