Network topology

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

AS397666

Currently announcedSnapshot awaiting refresh

HostRound LLC · HOSTROUND-LLC

Last observed10/22/2026, 16:21:37Open ASN profile →

AS397666 relationship topology

Showing 2 / 2

AS397666HostRound LLC

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS46475LIMESTONENETWORKS - Limestone Networks, Inc.

Relationship: Upstream
Observed weight: 354
ASN registration country: United States
Latest RIS data: 10/23/2026, 00:00:00

Open AS46475 profile →

All adjacent autonomous systems

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

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS46475Observed weight 354	LIMESTONENETWORKS - Limestone Networks, Inc.	Upstream	United States	8/28/2019, 00:00:00	10/23/2026, 00:00:00	2,398	2,596
AS49981Observed weight 190	WorldStream WorldStream B.V.	Upstream	Netherlands	8/28/2019, 00:00:00	10/23/2026, 00:00:00	170	161

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