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AS15395 RACKSPACE-LON Rackspace Ltd.

RACKSPACE-LON Rackspace Ltd. · registered in the United Kingdom

IPv4 addresses402,17649 prefixes · 0.013% of announced IPv4
Rank in United Kingdom#19largest network in GB by IPv4 space, of 2,074 · 0.59% of GB
Rank worldwide#669of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)1 prefixes
CountryUnited Kingdom2,261 ASNs registered there

IPv4 prefixes

All 49 prefixes, in address order.

  • 5.79.0.0/18
  • 31.222.128.0/18
  • 37.188.96.0/19
  • 46.38.160.0/19
  • 46.227.46.0/24
  • 65.61.188.0/24
  • 72.13.112.0/23
  • 72.21.40.0/21
  • 77.246.32.0/20
  • 78.136.0.0/18
  • 82.211.66.0/23
  • 83.138.128.0/18
  • 89.234.0.0/18
  • 92.52.64.0/18
  • 94.236.0.0/17
  • 95.138.128.0/18
  • 134.0.72.0/23
  • 134.0.74.0/23
  • 134.0.76.0/22
  • 134.8.0.0/24
  • 134.213.0.0/16
  • 146.177.0.0/20
  • 146.177.16.0/22
  • 146.177.22.0/23
  • 146.177.24.0/21
  • 146.177.32.0/20
  • 146.177.48.0/21
  • 146.177.57.0/24
  • 146.177.58.0/23
  • 146.177.60.0/22
  • 146.177.64.0/21
  • 146.177.72.0/23
  • 146.177.75.0/24
  • 146.177.76.0/22
  • 146.177.80.0/20
  • 146.177.96.0/19
  • 146.177.128.0/17
  • 147.75.20.0/22
  • 162.13.0.0/16
  • 164.138.226.0/24
  • 164.177.128.0/19
  • 185.55.189.0/24
  • 185.144.228.0/22
  • 193.138.122.0/24
  • 193.142.244.0/24
  • 209.18.112.0/22
  • 212.64.128.0/19
  • 212.100.224.0/19
  • 217.72.240.0/20

IPv6 prefixes

All 1 prefix.

  • 2a00:1a48::/32

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses
AS3300#16 BT British Telecommunications Limited513,280
AS42689#17 Glide Glide Student & Residential Limited499,200
AS8851#18 EDGE GCI Network Solutions Limited417,792
AS20860#20 IOMART-AS IOMART CLOUD SERVICES LIMITED379,136
AS8468#21 ENTANET Cityfibre Limited358,400
AS62240#22 Clouvider Clouvider Limited339,968

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