Network topology

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

AS63771

Currently announcedSnapshot awaiting refresh

BGPNAP - Border Gateway Protocol Network Analysis Project · BGPNAP

Last observed10/29/2026, 21:47:24Open ASN profile →

AS63771 relationship topology

Showing 3 / 3

AS63771Border Gateway Protocol…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS59105HOMENOC - Home NOC Operators Group

Relationship: Upstream
Observed weight: 656
ASN registration country: Japan
Latest RIS data: 10/31/2026, 00:00:00

Open AS59105 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
AS59105Observed weight 656	HOMENOC - Home NOC Operators Group	Upstream	Japan	8/25/2019, 00:00:00	10/31/2026, 00:00:00	3,346	13,801
AS63778Observed weight 260	BGPNAP2	Downstream	Japan	8/25/2019, 00:00:00	10/31/2026, 00:00:00	0	11,036
AS63780Observed weight 83	BIRDIE-NET	Upstream	Japan	8/25/2019, 00:00:00	10/31/2026, 00:00:00	1,610	99

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