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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

Browse by country

Countries with the most unannounced blocks, largest first.

Unannounced blocks

85,346 blocks match, ordered by prefix.

Allocated but unannounced blocks, 36151 to 36200 of 85346
PrefixAddressesRegistryCountryAllocated
2001:67c:1b54::/4865.5k × /64RIPE NCCNO13th Feb 2018
2001:67c:1b60::/4865.5k × /64RIPE NCCDE4th Jul 2013
2001:67c:1b68::/4865.5k × /64RIPE NCCSE27th May 2015
2001:67c:1b6c::/4865.5k × /64RIPE NCCDE4th Jul 2013
2001:67c:1b74::/4865.5k × /64RIPE NCCSE27th May 2015
2001:67c:1b78::/4865.5k × /64RIPE NCCUA21st Aug 2024
2001:67c:1b7c::/4865.5k × /64RIPE NCCRU8th Jul 2013
2001:67c:1b80::/4865.5k × /64RIPE NCCRU8th Jul 2013
2001:67c:1b88::/4865.5k × /64RIPE NCCPL6th Jun 2017
2001:67c:1b90::/4865.5k × /64RIPE NCCPL16th Jul 2013
2001:67c:1b98::/4865.5k × /64RIPE NCCSE19th Jul 2013
2001:67c:1b9c::/4865.5k × /64RIPE NCCNL22nd Jul 2013
2001:67c:1bb0::/4865.5k × /64RIPE NCCFI21st Dec 2015
2001:67c:1bb4::/4865.5k × /64RIPE NCCAT1st Dec 2016
2001:67c:1bd0::/4865.5k × /64RIPE NCCCH30th Jul 2013
2001:67c:1bd8::/4865.5k × /64RIPE NCCDE31st Jul 2013
2001:67c:1be4::/4865.5k × /64RIPE NCCFR5th Aug 2013
2001:67c:1bf0::/4865.5k × /64RIPE NCCSE29th May 2015
2001:67c:1bf8::/4865.5k × /64RIPE NCCUA9th Aug 2013
2001:67c:1c0::/4865.5k × /64RIPE NCCRU8th Nov 2023
2001:67c:1c4::/4865.5k × /64RIPE NCCGB6th Apr 2010
2001:67c:1d0::/4865.5k × /64RIPE NCCAT9th Apr 2010
2001:67c:1d8::/4865.5k × /64RIPE NCCDE16th Apr 2010
2001:67c:1dc::/4865.5k × /64RIPE NCCGB16th Apr 2010
2001:67c:1e4::/4865.5k × /64RIPE NCCDE3rd Mar 2021
2001:67c:1f0::/4865.5k × /64RIPE NCCNL4th May 2010
2001:67c:1f8::/4865.5k × /64RIPE NCCDE10th May 2010
2001:67c:1fc::/4865.5k × /64RIPE NCCSI14th May 2010
2001:67c:2008::/4865.5k × /64RIPE NCCFR14th Jan 2011
2001:67c:2014::/4865.5k × /64RIPE NCCSI18th Jan 2011
2001:67c:201c::/4865.5k × /64RIPE NCCPL2nd Jun 2015
2001:67c:2020::/4865.5k × /64RIPE NCCNO21st Jan 2011
2001:67c:202c::/4865.5k × /64RIPE NCCSE2nd Jun 2015
2001:67c:2030::/4865.5k × /64RIPE NCCCH20th Feb 2026
2001:67c:2034::/4865.5k × /64RIPE NCCRU18th May 2017
2001:67c:2040::/4865.5k × /64RIPE NCCAE27th Jan 2011
2001:67c:2060::/4865.5k × /64RIPE NCCSE3rd Feb 2011
2001:67c:2078::/4865.5k × /64RIPE NCCAT4th Feb 2011
2001:67c:2080::/4865.5k × /64RIPE NCCNO8th Feb 2011
2001:67c:2090::/4865.5k × /64RIPE NCCAT8th Sept 2015
2001:67c:2094::/4865.5k × /64RIPE NCCRU8th Sept 2015
2001:67c:209c::/4865.5k × /64RIPE NCCBE28th Oct 2020
2001:67c:20a8::/4865.5k × /64RIPE NCCNL11th Feb 2011
2001:67c:20b0::/4865.5k × /64RIPE NCCRU15th Feb 2011
2001:67c:20b4::/4865.5k × /64RIPE NCCGB16th Feb 2011
2001:67c:20c0::/4865.5k × /64RIPE NCCFI16th Feb 2011
2001:67c:20c::/4865.5k × /64RIPE NCCRU19th Jul 2019
2001:67c:20cc::/4865.5k × /64RIPE NCCPL19th Nov 2024
2001:67c:20e4::/4865.5k × /64RIPE NCCUA21st Feb 2011
2001:67c:20e8::/4865.5k × /64RIPE NCCGB21st Feb 2011