AS43428 YAHOO-ULS Yahoo-UK Limited

YAHOO-ULS Yahoo-UK Limited · registered in the United Kingdom

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#1,233largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#43,433of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS43428 in ASN lookup Look up an IP in this network (87.248.112.1) All networks in United Kingdom

IPv4 prefixes

All 2 prefixes, in address order.

87.248.112.0/24
87.248.114.0/23

IPv6 prefixes

All 1 prefix.

2a00:1288:7c::/48

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AS203070#1235 YAHOO-FRA Yahoo-UK Limited768

AS203219#1236 YAHOO-AMA Yahoo-UK Limited768

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