IMRS
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ICANN Managed Root Server (IMRS) is the name for the Root Server instance operated by ICANN. IMRS DNS system operates at L.ROOT-SERVERS.NET, IPv4 address 199.7.83.42 from the ranges 199.7.83.0/24 and 199.7.82.0/23, IPv6 address 2001:500:9f::42 from the ranges 2001:500:9f::/48 and 2001:500:9e::/47; all the prefix ranges are announced from AS20144.[1]
Locations
In November 2019, there were three IMRS clusters, located in the US, near Los Angeles and near Washington, D.C., and in Prague, Czech Republic.[2] By November 2022, ICANN had added IMRS clusters in Singapore and Nairobi, Kenya.[3]