AS21443 — CH_ATT_11

AS21443 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

The AS handle CHATT11 is held by AT&T Global Network Services Nederland B.V.

What it's used for

• The space carries corporate infrastructure, evidenced by the netname CH-ITPRO-NET associated with the single announced prefix.
• The AS announces 256 IPv4 addresses across 1 prefix and maintains 1 observed neighbour, a ratio consistent with a small, isolated internal corporate estate rather than a transit or access network.

Notable

• The RDAP registrant matches the registry holder, confirming the space is directly owned by AT&T Global Network Services Nederland B.V.
• The address inventory consists of a single /24 block (193.41.106.0/24), indicating a finely subdivided internal network typical of large corporate entities managing site-specific segmentation.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 193.41.106.0/24

Upstream networks

• AS2686 AT&T Enterprises, LLC

Adjacent networks

• AS2686 AT&T Enterprises, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-IGNEMEA, AS-PLDT, AS-RELIANCE.