Network topology

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

AS8221

Currently announcedSnapshot awaiting refresh

ISABEL ISABEL N.V. · ISABEL

Last observed10/20/2026, 23:57:46Open ASN profile →

AS8221 relationship topology

Showing 3 / 3

AS8221ISABEL ISABEL N.V.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS39686AS-EUROFIBER Eurofiber Nederland BV

Relationship: Upstream
Observed weight: 268
ASN registration country: Netherlands
Latest RIS data: 10/20/2026, 00:00:00

Open AS39686 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
AS39686Observed weight 268	AS-EUROFIBER Eurofiber Nederland BV	Upstream	Netherlands	8/19/2019, 00:00:00	10/20/2026, 00:00:00	680
AS6848Observed weight 151	TELENET-AS Telenet BV	Upstream	Belgium	8/19/2019, 00:00:00	10/20/2026, 00:00:00	2,465
AS5488Observed weight 117	Proximus NV	Upstream	Belgium	8/19/2019, 00:00:00	10/20/2026, 00:00:00	2,033

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