Network topology

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

AS2511

Currently announcedSnapshot awaiting refresh

CORE

Last observed9/29/2026, 08:59:25Open ASN profile →

AS2511 relationship topology

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AS2511CORE

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS173NTTECL-AS - Nippon Telegraph and Telephone Corporation

Relationship: Upstream
Observed weight: 266
ASN registration country: Japan
Latest RIS data: 10/11/2026, 00:00:00

Open AS173 profile →

All adjacent autonomous systems

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

1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS173Observed weight 266	NTTECL-AS - Nippon Telegraph and Telephone Corporation	Upstream	Japan	8/19/2019, 00:00:00	10/11/2026, 00:00:00	1,669	0

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