Network topology

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

AS213471

Currently announcedSnapshot awaiting refresh

YAMAMOTO Hiroshi · IPPNOC

Last observed10/10/2026, 11:22:41Open ASN profile →

AS213471 relationship topology

Showing 6 / 6

AS213471YAMAMOTO Hiroshi

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS215467Skhron OU

Relationship: Upstream
Observed weight: 154
ASN registration country: Estonia
Latest RIS data: 10/21/2026, 00:00:00

Open AS215467 profile →

All adjacent autonomous systems

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6 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv6
AS215467Observed weight 154	Skhron OU	Upstream	Estonia	8/28/2019, 00:00:00	10/21/2026, 00:00:00	215
AS9663Observed weight 131	OTO GK	Upstream	Japan	8/28/2019, 00:00:00	10/21/2026, 00:00:00	157
AS214481Observed weight 130	wczapkowicz-as Wojciech Czapkowicz	Upstream	Poland	8/28/2019, 00:00:00	10/21/2026, 00:00:00	172
AS63798Observed weight 127	IPA-ENTERNET	Upstream	Japan	8/28/2019, 00:00:00	10/21/2026, 00:00:00	470
AS214205Observed weight 90	CRISTIAN-TUDOR-MARCUS Cristian Tudor Marcus	Upstream	RIR did not provide a registration country	8/28/2019, 00:00:00	10/21/2026, 00:00:00	114
AS212895Observed weight 11	ROUTE64_ORG Johannes Ernst	Upstream	Germany	8/28/2019, 00:00:00	10/21/2026, 00:00:00	15

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