Network topology

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

AS29646

Currently announcedSnapshot awaiting refresh

FFastFill-AS FFastFill Europe Limited · FFastFill-AS

Last observed10/31/2026, 18:34:59Open ASN profile →

AS29646 relationship topology

Showing 6 / 6

AS29646FFastFill-AS FFastFill …

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS6461ZAYO-6461 - Zayo Bandwidth

Relationship: Upstream
Observed weight: 256
ASN registration country: United States
Latest RIS data: 10/31/2026, 00:00:00

Open AS6461 profile →

All adjacent autonomous systems

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6 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS6461Observed weight 256	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/21/2019, 00:00:00	10/31/2026, 00:00:00	834
AS4455Observed weight 215	BSO IX Reach Ltd	Upstream	United Kingdom	8/21/2019, 00:00:00	10/31/2026, 00:00:00	284
AS3257Observed weight 205	GTT-BACKBONE GTT Communications Inc.	Upstream	Germany	8/21/2019, 00:00:00	10/31/2026, 00:00:00	492
AS31216Observed weight 50	BSOCOM BSO Network Solutions SAS	Upstream	France	8/21/2019, 00:00:00	10/31/2026, 00:00:00	59
AS43531Observed weight 6	IXREACH BSO Network Solutions SAS	Upstream	France	8/21/2019, 00:00:00	10/31/2026, 00:00:00	7
AS286Observed weight 1	KPN GTT Communications Inc.	Upstream	Germany	8/21/2019, 00:00:00	10/31/2026, 00:00:00	2

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