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IPv4 root -> 51.0.0.0/8

Summary for subnet 51.0.0.0/8

Subnets based on RIR allocations

SubnetDescriptionRIRCountry
51.0.0.0/16A100 ROW IncripeUS
51.1.0.0/15UK-DWPripeGB
51.3.0.0/16A100 ROW IncripeUS
51.4.0.0/15Microsoft Deutschland MCIO GmbHripeDE
51.6.0.0/15British Telecommunications PLCripeGB
51.8.0.0/16Microsoft Deutschland MCIO GmbHripeDE
51.9.0.0/16British Telecommunications PLCripeGB
51.10.0.0/14Microsoft LimitedripeGB
51.14.0.0/16British Telecommunications PLCripeGB
51.15.0.0/16ScalewayripeFR
51.16.0.0/15A100 ROW IncripeUS
51.18.0.0/16Microsoft Deutschland MCIO GmbHripeDE
51.19.0.0/16Sky UK LimitedripeGB
51.20.0.0/14A100 ROW IncripeUS
51.32.0.0/16A100 ROW IncripeUS
51.33.0.0/16Department for Work and PensionsripeGB
51.34.0.0/15A100 ROW IncripeUS
51.36.0.0/16Mobile Telecommunication Company Saudi AripeSA
51.37.0.0/16Vodafone Ireland LimitedripeIE
51.38.0.0/16OVH SASripeFR
51.39.0.0/16Mobile Telecommunication Company Saudi AripeSA
51.40.0.0/16A100 ROW IncripeUS
51.41.0.0/16UK-DWPripeGB
51.44.0.0/16A100 ROW IncripeUS
51.51.0.0/16Microsoft LimitedripeGB
51.52.0.0/16Gamma Telecom LimitedripeGB
51.53.0.0/16Microsoft LimitedripeGB
51.54.0.0/15UK-DWPripeGB
51.60.0.0/16A100-Row-IncripeUS
51.61.0.0/16UK-DWPripeGB
51.64.0.0/16UK Home Office (The Secretary of State fripeGB
51.65.0.0/16UK-DWPripeGB
51.68.0.0/16OVH SASripeFR
51.69.0.0/16A100 ROW IncripeUS
51.70.0.0/16A100 ROW IncripeUS
51.71.0.0/16Department for Work and PensionsripeGB
51.72.0.0/15A100 ROW IncripeUS
51.74.0.0/16A100 ROW IncripeUS
51.75.0.0/16OVH SASripeFR
51.76.0.0/16A100 ROW IncripeUS
51.77.0.0/16OVH SASripeFR
51.78.0.0/16A100 ROW IncripeUS
51.79.0.0/16OVH Hosting, Inc.arinCA
51.80.0.0/16A100 ROW IncripeUS
51.81.0.0/16OVH US LLCarinUS
51.82.0.0/16A100 ROW IncripeUS
51.83.0.0/16OVH SASripeFR
51.84.0.0/16A100 ROW IncripeUS
51.89.0.0/16OVH SASripeFR
51.90.0.0/16A100 ROW IncripeUS
51.91.0.0/16OVH SASripeFR
51.92.0.0/16A100 ROW IncripeUS
51.103.0.0/16Microsoft LimitedripeGB
51.106.0.0/16Department for Work and PensionsripeGB
51.107.0.0/16Microsoft LimitedripeGB
51.108.0.0/16A100 ROW IncripeUS
51.109.0.0/16Department for Work and PensionsripeGB
51.110.0.0/16A100 ROW IncripeUS
51.111.0.0/16Department for Work and PensionsripeGB
51.112.0.0/16A100 ROW IncripeUS
51.115.0.0/16Department for Work and PensionsripeGB
51.116.0.0/16Microsoft LimitedripeGB
51.117.0.0/16A100 ROW IncripeUS
51.120.0.0/16Microsoft LimitedripeGB
51.121.0.0/16A100 ROW IncripeUS
51.122.0.0/15A100 ROW IncripeUS
51.124.0.0/16Microsoft LimitedripeGB
51.125.0.0/16A100 ROW IncripeUS
51.126.0.0/16Department for Work and PensionsripeGB
51.127.0.0/16A100 ROW IncripeUS
51.128.0.0/16A100 ROW IncripeUS
51.129.0.0/16A100 ROW IncripeUS
51.130.0.0/16Department for Work and PensionsripeGB
51.131.0.0/16A100 ROW IncripeUS
51.132.0.0/16Microsoft LimitedripeGB
51.133.0.0/16Department for Work and PensionsripeGB
51.134.0.0/16A100 ROW IncripeUS
51.135.0.0/16Department for Work and PensionsripeGB
51.136.0.0/16Microsoft LimitedripeGB
51.139.0.0/16A100 ROW IncripeUS
51.140.0.0/15Microsoft LimitedripeGB
51.146.0.0/16Sky UK LimitedripeGB
51.147.0.0/16Department for Work and PensionsripeGB
51.148.0.0/16Zen Internet LtdripeGB
51.149.0.0/16Nominet UK AdminripeGB
51.150.0.0/16A100 ROW IncripeUS
51.151.0.0/16A100 ROW IncripeUS
51.154.0.0/16Salt Mobile SAripeCH
51.155.0.0/16Zen Internet RIPE AdminripeGB
51.156.0.0/15A100 ROW IncripeUS
51.158.0.0/15ScalewayripeFR
51.160.0.0/16A100 ROW IncripeUS
51.161.0.0/16OVH Hosting, Inc.arinCA
51.162.0.0/17EQUINIX (AUSTRALIA) ENTERPRISES PTY LIMIapnicAU
51.162.128.0/19Equinix (Singapore) Enterprises PTE LtdripeGB
51.163.160.0/19Digital Realty Netherlands B.V.ripeNL
51.163.192.0/18Digital Realty Netherlands B.V.ripeNL
51.164.0.0/15A100 ROW IncripeUS
51.166.0.0/15A100 ROW IncripeUS
51.168.0.0/15A100 ROW IncripeUS
51.170.0.0/16Zen Internet LtdripeGB
51.171.0.0/16Eircom LimitedripeIE
51.172.0.0/15A100 ROW IncripeUS
51.174.0.0/15Altibox ASripeNO
51.176.0.0/15A100 ROW IncripeUS
51.178.0.0/16OVH SASripeFR
51.179.0.0/17LINKEM CUSTOMERSripeIT
51.179.128.0/18M247 UK LtdripeGB
51.179.192.0/18UKCLOUD LTDripeGB
51.180.0.0/15A100 ROW IncripeUS
51.182.0.0/15Sky UK LimitedripeGB
51.184.0.0/15A100 ROW IncripeUS
51.186.0.0/15Sky UK LimitedripeGB
51.188.0.0/15A100 ROW IncripeUS
51.190.0.0/15Sky UK LimitedripeGB
51.192.0.0/15A100 ROW IncripeUS
51.194.0.0/16Sky UK LimitedripeGB
51.195.0.0/16OVH SASripeFR
51.196.0.0/15A100 ROW IncripeUS
51.198.0.0/15Sky UK LimitedripeGB
51.200.0.0/15A100 ROW IncripeUS
51.202.0.0/15A100 ROW IncripeUS
51.204.0.0/15A100 ROW IncripeUS
51.206.0.0/15A100 ROW IncripeUS
51.208.0.0/15A100 ROW IncripeUS
51.210.0.0/16OVH SASripeFR
51.211.0.0/16Saudi Telecom Company JSCripeSA
51.212.0.0/15A100 ROW IncripeUS
51.214.0.0/15A100 ROW IncripeUS
51.216.0.0/15A100 ROW IncripeUS
51.218.0.0/16Saudi Telecom Company JSCripeSA
51.219.0.0/16Gamma Telecom LimitedripeGB
51.220.0.0/15A100 ROW IncripeUS
51.222.0.0/16OVH Hosting, Inc.arinCA
51.223.0.0/16Saudi Telecom Company JSCripeSA
51.224.0.0/15A100 ROW IncripeUS
51.226.0.0/15A100 ROW IncripeUS
51.228.0.0/15A100 ROW IncripeUS
51.230.0.0/15UK-DWPripeGB
51.232.0.0/15A100 ROW IncripeUS
51.234.0.0/16Department for Work and PensionsripeGB
51.235.0.0/16Saudi Telecom Company JSCripeSA
51.236.0.0/15A100 ROW IncripeUS
51.238.0.0/15UK-DWPripeGB
51.240.0.0/16A100 ROW IncripeUS
51.241.0.0/16Sky UK LimitedripeGB
51.242.0.0/15UK-DWPripeGB
51.244.0.0/15A100 ROW IncripeUS
51.246.0.0/15UK-DWPripeGB
51.248.0.0/15A100 ROW IncripeUS
51.250.0.0/17Yandex.Cloud LLCripeRU
51.250.128.0/17YANDEX LLCripeRU
51.251.0.0/16Department for Work and PensionsripeGB
51.252.0.0/15Saudi Telecom Company JSCripeSA
51.254.0.0/15OVH SASripeFR

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