Network topology

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

AS199696

Currently announcedSnapshot awaiting refresh

MDSI MAZOWIECKI DOSTAWCA SZYBKIEGO INTERNETU SP Z O O · MDSI

Last observed11/9/2026, 13:51:16Open ASN profile →

AS199696 relationship topology

Showing 4 / 4

AS199696MDSI MAZOWIECKI DOSTAWC…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 214
ASN registration country: United States
Latest RIS data: 11/9/2026, 00:00:00

Open AS3356 profile →

All adjacent autonomous systems

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

4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS3356Observed weight 214	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/28/2019, 00:00:00	11/9/2026, 00:00:00	704
AS50606Observed weight 50	VIRTUAOPERATOR-AS Horyzont Technologie Internetowe sp.z.o.o.	Upstream	Poland	8/28/2019, 00:00:00	11/9/2026, 00:00:00	68
AS210104Observed weight 46	WAWTEL-AS Timplus sp. z o.o.	Upstream	Poland	8/28/2019, 00:00:00	11/9/2026, 00:00:00	156
AS202445Observed weight 9	HELPFUL-AS helpful sp. z o.o.	Upstream / Downstream	Poland	8/28/2019, 00:00:00	11/9/2026, 00:00:00	58

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