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AS21326

AT&T OpenNet-Service-AS
Announced prefixes
15
Upstreams
1
Peers
0
Downstreams
0

Adjacent ASNs

UpstreamAS25888AS25888AS21326

Neighbor nodes aren't clickable. To look up an ASN, use the ASN lookup page

All Neighbor ASNs

Upstream1

Buys transit from them

  • AS25888

Peer0

Settlement-free traffic exchange

None

Downstream0

Buys transit from this AS

None

Recent Prefix Changes

latest 20

IP prefixes this ASN started or stopped announcing (derived by diffing successive data syncs).

  • Announced15.32.72.0/242026-08-27
  • Announced15.32.87.0/242026-08-27
  • Announced15.32.103.0/242026-08-27
  • Announced15.32.111.0/242026-08-27
  • Announced15.32.112.0/242026-08-27
  • Announced15.32.116.0/222026-08-27
  • Withdrawn15.32.72.0/242026-08-14
  • Withdrawn15.32.87.0/242026-08-14
  • Withdrawn15.32.103.0/242026-08-14
  • Withdrawn15.32.111.0/242026-08-14
  • Withdrawn15.32.112.0/242026-08-14
  • Withdrawn15.32.116.0/222026-08-14
  • Announced15.32.72.0/242026-08-14
  • Announced15.32.87.0/242026-08-14
  • Announced15.32.103.0/242026-08-14
  • Announced15.32.111.0/242026-08-14
  • Announced15.32.112.0/242026-08-14
  • Announced15.32.116.0/222026-08-14
  • Announced15.40.75.0/242026-07-23
  • Withdrawn15.40.75.0/242026-07-22

Data: local · Updated 2026-09-03 03:18:48