Network topology

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

AS16489

Currently announcedSnapshot awaiting refresh

Webster University · WEBSTER

Last observed9/30/2026, 17:23:36Open ASN profile →

AS16489 relationship topology

Showing 4 / 4

AS16489Webster University

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7018ATT-INTERNET4 - AT&T Enterprises, LLC

Relationship: Upstream
Observed weight: 272
ASN registration country: United States
Latest RIS data: 10/31/2026, 00:00:00

Open AS7018 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS7018Observed weight 272	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	10/31/2026, 00:00:00	1,160
AS13335Observed weight 271	CLOUDFLARENET - Cloudflare, Inc.	Upstream	United States	8/19/2019, 00:00:00	10/31/2026, 00:00:00	1,098
AS22677Observed weight 265	CHARTER-22677-MO-IL-C3 - Charter Communications LLC	Upstream	United States	8/19/2019, 00:00:00	10/31/2026, 00:00:00	328
AS7029Observed weight 256	WINDSTREAM - Windstream Communications LLC	Upstream	United States	8/19/2019, 00:00:00	10/31/2026, 00:00:00	485

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