AS12390 KINGSTON-UK-AS KCOM Group Limited

KINGSTON-UK-AS KCOM Group Limited · registered in the United Kingdom

IPv4 addresses249,85622 prefixes · 0.008% of announced IPv4

Rank in United Kingdom#25largest network in GB by IPv4 space, of 2,074 · 0.37% of GB

Rank worldwide#934of 79,396 networks with IPv4

IPv62 x /32 (131,072 x /48)2 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS12390 in ASN lookup Look up an IP in this network (5.198.0.1) All networks in United Kingdom

IPv4 prefixes

All 22 prefixes, in address order.

5.198.0.0/17
77.86.0.0/17
83.100.128.0/17
87.102.0.0/17
94.72.192.0/19
94.72.224.0/20
94.72.240.0/21
159.253.64.0/23
159.253.68.0/22
159.253.72.0/21
178.78.64.0/19
178.78.96.0/21
178.78.104.0/23
185.188.232.0/22
194.207.64.0/18
194.207.128.0/17
212.50.160.0/19
213.249.128.0/19
213.249.160.0/20
213.249.176.0/21
213.249.184.0/22
213.249.192.0/18

IPv6 prefixes

All 2 prefixes.

2a00:4900::/32
2a00:4902::/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