AS203516 AltunHOST AltunHOST LTD

AltunHOST AltunHOST LTD · registered in the United Kingdom

IPv4 addresses2,0488 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#725largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#22,731of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS203516 in ASN lookup Look up an IP in this network (5.83.131.1) All networks in United Kingdom

IPv4 prefixes

All 8 prefixes, in address order.

5.83.131.0/24
5.83.135.0/24
5.175.136.0/24
5.175.206.0/24
5.230.9.0/24
89.144.10.0/24
89.144.20.0/24
194.146.47.0/24

IPv6 prefixes

All 1 prefix.

2a02:2fc0:12::/48

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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