Network topology

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

AS57671

Currently announcedSnapshot awaiting refresh

ASTPK JSC Oil Processing Company · ASTPK

Last observed10/5/2026, 18:58:17Open ASN profile →

AS57671 relationship topology

Showing 5 / 5

AS57671ASTPK JSC Oil Processin…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3216SOVAM-AS PJSC "Vimpelcom"

Relationship: Upstream
Observed weight: 243
ASN registration country: Russia
Latest RIS data: 10/5/2026, 00:00:00

Open AS3216 profile →

All adjacent autonomous systems

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

5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS3216Observed weight 243	SOVAM-AS PJSC "Vimpelcom"	Upstream	Russia	8/25/2019, 00:00:00	10/5/2026, 00:00:00	374
AS200044Observed weight 109	stackgroup Stack Group, LLC	Upstream	Russia	8/25/2019, 00:00:00	10/5/2026, 00:00:00	242
AS57304Observed weight 93	RETNRU-AS JSC "RetnNet"	Upstream	Russia	8/25/2019, 00:00:00	10/5/2026, 00:00:00	218
AS9002Observed weight 81	RETN-AS RETN Limited	Upstream	United Kingdom	8/25/2019, 00:00:00	10/5/2026, 00:00:00	197
AS25159Observed weight 26	SONICDUO-AS PJSC MegaFon	Upstream	Russia	8/25/2019, 00:00:00	10/5/2026, 00:00:00	42

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