Network topology

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

AS201727

Currently announcedSnapshot awaiting refresh

Blond & Brown s.r.o. · AS_BUBAKOV

Last observed10/10/2026, 03:27:10Open ASN profile →

AS201727 relationship topology

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AS201727Blond & Brown s.r.o.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS15935HA-VEL-LOCAL-AS ha-vel internet s.r.o.

Relationship: Upstream
Observed weight: 536
ASN registration country: Czechia
Latest RIS data: 10/9/2026, 08:00:00

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All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS15935Observed weight 536	HA-VEL-LOCAL-AS ha-vel internet s.r.o.	Upstream	Czechia	8/28/2019, 00:00:00	10/9/2026, 08:00:00	760	350
AS202556Observed weight 61	ASKRIVONET Blond & Brown s.r.o.	Downstream	Czechia	8/28/2019, 00:00:00	10/9/2026, 08:00:00	74	0

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