Network topology

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

AS20077

Currently announcedSnapshot awaiting refresh

IPNetZone · IPNETZONE-ASN

Last observed10/1/2026, 04:17:07Open ASN profile →

AS20077 relationship topology

Showing 4 / 4

AS20077IPNetZone

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS5580GTT-ASIA GTT Communications Netherlands B.V.

Relationship: Upstream
Observed weight: 17
ASN registration country: Netherlands
Latest RIS data: 9/30/2026, 00:00:00

Open AS5580 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
AS5580Observed weight 17	GTT-ASIA GTT Communications Netherlands B.V.	Upstream	Netherlands	8/21/2019, 00:00:00	9/30/2026, 00:00:00	23
AS26651Observed weight 15	CareFusion Corporation	Downstream	United States	8/21/2019, 00:00:00	9/30/2026, 00:00:00	27
AS3257Observed weight 14	GTT-BACKBONE GTT Communications Inc.	Upstream	Germany	8/21/2019, 00:00:00	9/30/2026, 00:00:00	26
AS286Observed weight 1	KPN GTT Communications Inc.	Upstream	Germany	8/21/2019, 00:00:00	9/30/2026, 00:00:00	1

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