AS21443 CH_ATT_11 AT&T Global Network Services Nederland B.V.

CH_ATT_11 AT&T Global Network Services Nederland B.V. · registered in the Netherlands

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Netherlands#920largest network in NL by IPv4 space, of 1,026 · <0.01% of NL

Rank worldwide#64,206of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryNetherlands1,098 ASNs registered there

Open AS21443 in ASN lookup Look up an IP in this network (193.41.106.1) All networks in Netherlands

IPv4 prefixes

All 1 prefix, in address order.

193.41.106.0/24

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ASNNameIPv4 addresses

AS15840#917 ATT-INF001-A11 AT&T Global Network Services Nederland B.V.256

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AS20492#919 ATT-CH-0G AT&T Global Network Services Nederland B.V.256

AS25497#921 ATT-INF002-A11 AT&T Global Network Services Nederland B.V.256

AS25599#922 Atos-MEV-AS Eviden Netherlands B.V.256

AS31537#923 ReformatorischDagblad-AS Erdee Media B.V.256

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources