AS20492 — ATT-CH-0G

AS20492 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

The AS handle ATT-CH-0G is held by AT&T Global Network Services Nederland B.V.

What it's used for

• The space carries a single IPv4 prefix, 193.149.193.0/24, with a netname of NL-ATTA-980610.
• With 256 IPv4 addresses announced against 1 observed neighbour, the ratio suggests a small, dedicated transit or peering point rather than a large access network.

Notable

• Registrants include EMEA NIC IBM, NIC AT&T, and AT&T Global Network Services Nederland B.V., indicating historical or shared ownership structures.
• The address inventory consists of a single /24 block, which is a minimal footprint for a global telecom entity.

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

Announced prefixes

• 193.149.193.0/24

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.