subnet.im

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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 registered through RIPE NCC

25,269 blocks match, ordered by prefix.

Allocated but unannounced blocks, 24601 to 24650 of 25269
PrefixAddressesRegistryCountryAllocated
91.228.184.0/24256RIPE NCCRU6th Jun 2011
91.228.192.0/24256RIPE NCCIR22nd May 2025
91.228.206.0/24256RIPE NCCUS11th Nov 2019
91.228.22.0/23512RIPE NCCIR3rd Oct 2019
91.228.226.0/24256RIPE NCCRU8th Jun 2011
91.228.237.0/24256RIPE NCCPL9th Jun 2011
91.228.243.0/24256RIPE NCCDE9th Jun 2011
91.228.78.0/23512RIPE NCCGB25th May 2011
91.228.80.0/221kRIPE NCCPL25th May 2011
91.229.101.0/24256RIPE NCCUA20th Jun 2011
91.229.115.0/24256RIPE NCCUA20th Jun 2011
91.229.130.0/23512RIPE NCCFR20th Jun 2011
91.229.140.0/24256RIPE NCCCH20th Jun 2011
91.229.155.0/24256RIPE NCCUA25th Mar 2025
91.229.166.0/24256RIPE NCCGB21st Jun 2011
91.229.167.0/24256RIPE NCCIT8th Oct 2025
91.229.180.0/24256RIPE NCCGB31st May 2023
91.229.181.0/24256RIPE NCCNL23rd Jun 2011
91.229.184.0/24256RIPE NCCTR23rd Jun 2011
91.229.187.0/24256RIPE NCCGB23rd Jun 2011
91.229.2.0/24256RIPE NCCRU10th Jun 2011
91.229.201.0/24256RIPE NCCGB18th Nov 2024
91.229.204.0/221kRIPE NCCUA24th Jun 2011
91.229.211.0/24256RIPE NCCRU27th Jun 2011
91.229.225.0/24256RIPE NCCSK27th Jun 2011
91.229.232.0/24256RIPE NCCNL28th Jun 2011
91.229.248.0/24256RIPE NCCDE11th Nov 2019
91.229.4.0/24256RIPE NCCGB10th Jun 2011
91.229.40.0/221kRIPE NCCPL15th Jun 2011
91.229.49.0/24256RIPE NCCNL15th Jun 2011
91.229.96.0/221kRIPE NCCRU17th Jun 2011
91.230.104.0/23512RIPE NCCES11th Jul 2011
91.230.123.0/24256RIPE NCCRO12th Jul 2011
91.230.126.0/23512RIPE NCCSE12th Jul 2011
91.230.128.0/221kRIPE NCCSE12th Jul 2011
91.230.132.0/24256RIPE NCCSE12th Jul 2011
91.230.151.0/24256RIPE NCCIT25th Nov 2024
91.230.158.0/24256RIPE NCCSC2nd Jun 2025
91.230.162.0/23512RIPE NCCPL15th Jul 2011
91.230.189.0/24256RIPE NCCGB18th Jul 2011
91.230.190.0/24256RIPE NCCVC18th Jul 2011
91.230.214.0/24256RIPE NCCMD21st Jul 2011
91.230.216.0/24256RIPE NCCCH27th Jan 2026
91.230.228.0/23512RIPE NCCRU3rd Oct 2019
91.230.246.0/24256RIPE NCCGB28th Jul 2011
91.230.28.0/221kRIPE NCCCA1st Jul 2011
91.230.33.0/24256RIPE NCCNL1st Jul 2011
91.230.34.0/23512RIPE NCCNL1st Jul 2011
91.230.64.0/24256RIPE NCCBE6th Jul 2011
91.230.74.0/24256RIPE NCCPL6th Jul 2011