Network topology

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

AS203365

Currently announcedSnapshot awaiting refresh

OPTETNETWORK Optet network, s. r. o. · OPTETNETWORK

Last observed10/10/2026, 13:44:49Open ASN profile →

AS203365 relationship topology

Showing 2 / 2

AS203365OPTETNETWORK Optet netw…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS28725CETIN-AS CETIN a.s.

Relationship: Upstream
Observed weight: 511
ASN registration country: Czechia
Latest RIS data: 10/10/2026, 00:00:00

Open AS28725 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS28725Observed weight 511	CETIN-AS CETIN a.s.	Upstream	Czechia	8/28/2019, 00:00:00	10/10/2026, 00:00:00	328	339
AS202979Observed weight 17	NGA Services, spol. s r.o.	Upstream	Czechia	8/28/2019, 00:00:00	10/10/2026, 00:00:00	20	6

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