AS201004 GlobalTT-AS Global Telephone & Telecommunication S.A. (GT&T)

GlobalTT-AS Global Telephone & Telecommunication S.A. (GT&T) · registered in Belgium

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Belgium#183largest network in BE by IPv4 space, of 273 · <0.01% of BE

Rank worldwide#46,851of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryBelgium294 ASNs registered there

Open AS201004 in ASN lookup Look up an IP in this network (217.30.16.1) All networks in Belgium

IPv4 prefixes

All 1 prefix, in address order.

217.30.16.0/23

IPv6 prefixes

All 1 prefix.

2a03:a1a0::/32

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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