AS42579 SARGASSO-EU-AS Comtec Enterprises Ltd

SARGASSO-EU-AS Comtec Enterprises Ltd · registered in the United Kingdom

IPv4 addresses4,0962 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#493largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#15,122of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS42579 in ASN lookup Look up an IP in this network (77.73.144.1) All networks in United Kingdom

IPv4 prefixes

All 2 prefixes, in address order.

77.73.144.0/21
78.158.64.0/21

IPv6 prefixes

All 1 prefix.

2a01:550::/32

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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