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AS205544 LEASEWEB-UK-LON-11 Leaseweb UK Limited

LEASEWEB-UK-LON-11 Leaseweb UK Limited · registered in the United Kingdom

IPv4 addresses50,17655 prefixes · 0.002% of announced IPv4
Rank in United Kingdom#89largest network in GB by IPv4 space, of 2,074 · 0.07% of GB
Rank worldwide#3,910of 79,396 networks with IPv4
IPv6176 x /32 (11,534,336 x /48)26 prefixes
CountryUnited Kingdom2,261 ASNs registered there
Open AS205544 in ASN lookup Look up an IP in this network (23.19.56.1) All networks in United Kingdom

IPv4 prefixes

All 55 prefixes, in address order.

  • 23.19.56.0/22
  • 23.19.60.0/23
  • 23.19.62.0/24
  • 23.19.63.0/24
  • 23.81.32.0/21
  • 23.106.32.0/21
  • 23.106.56.0/21
  • 23.106.232.0/21
  • 31.58.18.0/24
  • 31.58.22.0/24
  • 31.58.28.0/24
  • 31.58.32.0/24
  • 31.59.15.0/24
  • 31.59.20.0/23
  • 31.59.27.0/24
  • 31.59.28.0/24
  • 31.59.33.0/24
  • 37.44.216.0/22
  • 38.246.186.0/23
  • 38.246.204.0/23
  • 38.253.124.0/23
  • 45.153.20.0/24
  • 77.216.3.0/24
  • 81.17.56.0/21
  • 82.38.198.0/24
  • 82.41.197.0/24
  • 82.47.167.0/24
  • 82.47.185.0/24
  • 82.47.249.0/24
  • 82.113.64.0/19
  • 84.75.223.0/24
  • 86.110.33.0/24
  • 86.110.46.0/24
  • 92.249.32.0/22
  • 95.168.176.0/20
  • 173.208.48.0/21
  • 173.234.16.0/21
  • 173.234.72.0/21
  • 173.234.136.0/21
  • 176.113.64.0/22
  • 178.83.88.0/24
  • 178.83.90.0/24
  • 178.83.92.0/24
  • 178.83.94.0/24
  • 178.83.97.0/24
  • 178.83.98.0/24
  • 178.83.106.0/24
  • 185.70.240.0/22
  • 185.222.24.0/22
  • 185.236.92.0/22
  • 185.245.124.0/22
  • 193.160.76.0/22
  • 194.56.232.0/24
  • 212.24.127.0/24
  • 212.135.128.0/24

IPv6 prefixes

All 26 prefixes.

  • 2001:1b88::/32
  • 2a04:88c4::/32
  • 2a04:88c6::/32
  • 2a0d:3000::/30
  • 2a0d:3004::/32
  • 2a0f:1540::/29
  • 2a0f:1640::/29
  • 2a0f:1940::/29
  • 2a0f:2840::/29
  • 2a0f:2940::/29
  • 2a0f:2a40::/29
  • 2a0f:2dc0::/29
  • 2a0f:2e40::/29
  • 2a0f:30c0::/29
  • 2a0f:3140::/29
  • 2a0f:3540::/29
  • 2a0f:3740::/29
  • 2a0f:e440::/29
  • 2a11:3240::/29
  • 2a11:4800::/29
  • 2a11:8700::/29
  • 2a11:e580::/29
  • 2a12:3f00::/29
  • 2a12:4b00::/29
  • 2a12:5900::/29
  • 2a12:cd00::/29

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses
AS15533#86 SASEUROPE Redcentric Solutions Ltd51,968
AS39356#87 Avanti-UK-AS Avanti Broadband Ltd50,944
AS44444#88 Forcepoint-Cloud-AS Forcepoint UK Limited50,688
AS48945#90 IFNL-AS OPEN FIBRE NETWORKS (WHOLESALE) LIMITED50,176
AS207957#91 ServHost-AS SERV.HOST GROUP LTD49,152
AS8419#92 HOTCHILLI Redcentric Solutions Ltd48,896

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