Network topology

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

AS16503

Currently announcedSnapshot awaiting refresh

Zayo Bandwidth · ZAYO-16503

Last observed9/30/2026, 17:23:57Open ASN profile →

AS16503 relationship topology

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AS16503Zayo Bandwidth

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS19092Zayo Bandwidth

Relationship: Upstream
Observed weight: 262
ASN registration country: United States
Latest RIS data: 11/2/2026, 00:00:00

Open AS19092 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
AS19092Observed weight 262	Zayo Bandwidth	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	1,332	0

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