AS39767 SARGASSO-AS Sargasso N1 Limited

SARGASSO-AS Sargasso N1 Limited · registered in the United Kingdom

IPv4 addresses7,6805 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#353largest network in GB by IPv4 space, of 2,074 · 0.01% of GB

Rank worldwide#11,077of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS39767 in ASN lookup Look up an IP in this network (78.158.72.1) All networks in United Kingdom

IPv4 prefixes

All 5 prefixes, in address order.

78.158.72.0/21
78.158.80.0/21
78.158.88.0/21
185.90.140.0/22
194.88.12.0/23

IPv6 prefixes

All 1 prefix.

2a05:e200::/29

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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