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AS31151
AS31151 PHG-AS PERFORMANCE HORIZON GROUP LIMITED
PHG-AS PERFORMANCE HORIZON GROUP LIMITED · registered in the United Kingdom
IPv4 addresses 2,304 3 prefixes · <0.001% of announced IPv4
Rank in United Kingdom #679 largest network in GB by IPv4 space, of 2,074 · <0.01% of GB
Rank worldwide #20,934 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 3 prefixes, in address order.
5.150.168.0/22 5.150.172.0/24 134.90.192.0/22
Similar-sized networks in United Kingdom
ASN Name IPv4 addresses
AS213495 #676 SERVITRO-LTD SERVITRO LTD2,304
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AS21301 #678 UK-NATWEST-AS21301 Natwest Markets PLC2,304
AS47582 #681 ansonnet-as-uk ANSON NETWORK LIMITED2,304
AS48549 #682 BRINGOGROUP Bringo Group Ltd2,304
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