Network topology

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

AS399

Currently announcedSnapshot awaiting refresh

Air Force Systems Networking · AFCONC-BLOCK1-AS

Last observed9/29/2026, 06:36:02Open ASN profile →

AS399 relationship topology

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AS399Air Force Systems Netwo…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS27066DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)

Relationship: Upstream
Observed weight: 265
ASN registration country: United States
Latest RIS data: 9/28/2026, 00:00:00

Open AS27066 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS27066Observed weight 265	DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	2,648	0

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