AS216405 MSUK-ISP Metric Systems UK LTD

MSUK-ISP Metric Systems UK LTD · registered in the United Kingdom

IPv4 addresses1,5366 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#836largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#26,248of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS216405 in ASN lookup Look up an IP in this network (51.241.49.1) All networks in United Kingdom

IPv4 prefixes

All 6 prefixes, in address order.

51.241.49.0/24
82.152.102.0/24
163.5.89.0/24
185.46.114.0/24
194.77.95.0/24
212.74.33.0/24

IPv6 prefixes

All 2 prefixes.

2a03:5840:12d::/48
2a13:9500:18d::/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