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Allocated but unannounced space

Every block here was allocated or assigned by a regional internet registry, and none of them appeared in any routing table we collected at our last snapshot — neither as a route of their own, nor covered by a larger announcement, nor carved up into more specifics.

“Unannounced” does not mean “unused”

Plenty of allocated space is deliberately kept off the public internet: private interconnects, lab and lawful-intercept ranges, networks reachable only inside one operator, and space held in reserve. Some of it is announced somewhere our collectors cannot see, which is a limit of our vantage points rather than a fact about the block.

It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today. Nothing on this page means a block is unallocated, available, or free to announce.

Browse by registry

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Countries with unannounced space registered through RIPE NCC, largest first.

Unannounced blocks in Russia

2,050 blocks match, ordered by prefix.

Allocated but unannounced blocks, 301 to 350 of 2050
PrefixAddressesRegistryCountryAllocated
193.232.232.0/23512RIPE NCCRU9th Jun 1993
193.232.242.0/24256RIPE NCCRU9th Jun 1993
193.232.244.0/24256RIPE NCCRU9th Jun 1993
193.232.71.0/24256RIPE NCCRU9th Jun 1993
193.232.76.0/24256RIPE NCCRU9th Jun 1993
193.232.78.0/24256RIPE NCCRU9th Jun 1993
193.232.87.0/24256RIPE NCCRU9th Jun 1993
193.232.92.0/24256RIPE NCCRU9th Jun 1993
193.238.116.0/24256RIPE NCCRU11th Mar 2005
193.238.45.0/24256RIPE NCCRU11th May 2018
193.239.229.0/24256RIPE NCCRU27th Nov 2024
193.242.106.0/24256RIPE NCCRU19th Nov 2019
193.242.109.0/24256RIPE NCCRU19th Nov 2019
193.242.153.0/24256RIPE NCCRU19th Nov 2019
193.243.161.0/24256RIPE NCCRU19th Nov 2019
193.243.182.0/24256RIPE NCCRU19th Nov 2019
193.246.153.0/24256RIPE NCCRU19th Nov 2019
193.246.206.0/24256RIPE NCCRU19th Nov 2019
193.246.245.0/24256RIPE NCCRU19th Nov 2019
193.246.51.0/24256RIPE NCCRU19th Nov 2019
193.27.230.0/23512RIPE NCCRU20th Jan 2004
193.27.36.0/221kRIPE NCCRU10th Jul 2018
193.28.186.0/24256RIPE NCCRU12th Jul 2023
193.28.6.0/24256RIPE NCCRU8th Dec 2008
193.30.108.0/24256RIPE NCCRU23rd Mar 2022
193.32.196.0/23512RIPE NCCRU18th Oct 2018
193.32.200.0/23512RIPE NCCRU18th Oct 2018
193.34.200.128/25128RIPE NCCRU3rd Dec 2009
193.34.203.0/25128RIPE NCCRU6th Apr 2010
193.35.109.0/24256RIPE NCCRU16th Sept 2011
193.36.56.0/221kRIPE NCCRU12th Sept 2018
193.37.141.0/24256RIPE NCCRU17th Oct 2006
193.43.146.0/23512RIPE NCCRU9th Oct 2019
193.43.72.0/24256RIPE NCCRU14th Nov 2019
193.46.207.0/24256RIPE NCCRU20th Aug 2007
193.56.188.0/24256RIPE NCCRU15th Nov 2019
193.56.190.0/24256RIPE NCCRU15th Nov 2019
193.56.30.0/24256RIPE NCCRU4th Jul 2025
193.93.192.0/221kRIPE NCCRU26th Mar 2010
193.93.61.0/24256RIPE NCCRU27th Feb 2006
194.0.121.0/24256RIPE NCCRU30th Oct 2006
194.110.223.0/24256RIPE NCCRU12th Apr 2007
194.110.71.0/24256RIPE NCCRU3rd Feb 2026
194.110.80.0/221kRIPE NCCRU25th Sept 2018
194.113.209.0/24256RIPE NCCRU22nd Nov 2019
194.116.162.0/23512RIPE NCCRU20th Jan 2005
194.116.190.0/23512RIPE NCCRU30th Oct 2019
194.116.214.0/23512RIPE NCCRU30th Oct 2019
194.116.216.0/23512RIPE NCCRU30th Oct 2019
194.117.50.128/25128RIPE NCCRU10th Mar 2005