Network topology

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

AS199711

Currently announcedSnapshot awaiting refresh

NCISA-AS National Cyber and Information Security Agency · NCISA-AS

Last observed10/9/2026, 15:35:28Open ASN profile →

AS199711 relationship topology

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AS199711NCISA-AS National Cyber…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2852CESNET2 CESNET z.s.p.o.

Relationship: Upstream
Observed weight: 508
ASN registration country: Czechia
Latest RIS data: 10/20/2026, 00:00:00

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS2852Observed weight 508	CESNET2 CESNET z.s.p.o.	Upstream	Czechia	8/28/2019, 00:00:00	10/20/2026, 00:00:00	649	750
AS15935Observed weight 48	HA-VEL-LOCAL-AS ha-vel internet s.r.o.	Upstream	Czechia	8/28/2019, 00:00:00	10/20/2026, 00:00:00	59	0

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