AS21233 ASN-C2INTERNET Atlas Business Group of Companies Ltd

ASN-C2INTERNET Atlas Business Group of Companies Ltd · registered in the United Kingdom

IPv4 addresses1,5363 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#821largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#25,789of 79,396 networks with IPv4

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

CountryUnited Kingdom2,261 ASNs registered there

Open AS21233 in ASN lookup Look up an IP in this network (85.113.80.1) All networks in United Kingdom

IPv4 prefixes

All 3 prefixes, in address order.

85.113.80.0/22
85.113.85.0/24
85.113.89.0/24

IPv6 prefixes

All 1 prefix.

2001:be7::/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