AS215320 AlncomAS2 ALNWICK COMPUTERWARE LTD.

AlncomAS2 ALNWICK COMPUTERWARE LTD. · registered in the United Kingdom

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#1,344largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#46,408of 79,396 networks with IPv4

IPv62 x /32 (131,072 x /48)1 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS215320 in ASN lookup Look up an IP in this network (5.172.183.1) All networks in United Kingdom

IPv4 prefixes

All 2 prefixes, in address order.

5.172.183.0/24
89.47.246.0/24

IPv6 prefixes

All 1 prefix.

2a0d:3c80::/31

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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