Network topology

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

AS51400

Currently announcedSnapshot awaiting refresh

ASSPOJENET SPOJE.NET s.r.o. · ASSPOJENET

Last observed10/4/2026, 17:34:03Open ASN profile →

AS51400 relationship topology

Showing 3 / 3

AS51400ASSPOJENET SPOJE.NET s.…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS47232ISPAlliance ISP Alliance a.s.

Relationship: Upstream
Observed weight: 300
ASN registration country: Czechia
Latest RIS data: 10/29/2026, 00:00:00

Open AS47232 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS47232Observed weight 300	ISPAlliance ISP Alliance a.s.	Upstream	Czechia	8/25/2019, 00:00:00	10/29/2026, 00:00:00	1	423
AS8251Observed weight 246	NFX_ZSPO FreeTel, s.r.o.	Upstream	Czechia	8/25/2019, 00:00:00	10/29/2026, 00:00:00	316	45
AS51800Observed weight 98	FIBER Network s.r.o.	Downstream / Upstream	Czechia	8/25/2019, 00:00:00	10/29/2026, 00:00:00	22	138

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