Network topology

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

AS42908

Currently announcedSnapshot awaiting refresh

O2 Czech Republic, a.s. · CZ-NORDICTELECOMREGIONAL

Last observed10/3/2026, 16:09:32Open ASN profile →

AS42908 relationship topology

Showing 3 / 3

AS42908O2 Czech Republic, a.s.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS5610O2-CZECH-REPUBLIC O2 Czech Republic, a.s.

Relationship: Upstream
Observed weight: 650
ASN registration country: Czechia
Latest RIS data: 10/9/2026, 08:00:00

Open AS5610 profile →

All adjacent autonomous systems

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

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS5610Observed weight 650	O2-CZECH-REPUBLIC O2 Czech Republic, a.s.	Upstream	Czechia	8/23/2019, 00:00:00	10/9/2026, 08:00:00	12,021	3,297
AS202643Observed weight 274	NETSERV-AS NetSERV, s.r.o.	Downstream	Czechia	8/23/2019, 00:00:00	10/9/2026, 08:00:00	251	273
AS33442Observed weight 36	ZEBRA-TECHNOLOGIES-BGP-AS-NUMBER - Zebra Technologies Corporation	Downstream	United States	8/23/2019, 00:00:00	10/9/2026, 08:00:00	56	0

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