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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

Unannounced blocks registered through RIPE NCC

25,296 blocks match, ordered by prefix.

Allocated but unannounced blocks, 18601 to 18650 of 25296
PrefixAddressesRegistryCountryAllocated
2a0d:fe40::/324.3B × /64RIPE NCCRU30th Oct 2018
2a0d:ff80::/324.3B × /64RIPE NCCUS13th Mar 2018
2a0d:ffc0::/2934.4B × /64RIPE NCCES15th Sept 2025
2a0e:1080::/2934.4B × /64RIPE NCCCH8th May 2019
2a0e:10c0::/2934.4B × /64RIPE NCCTR10th May 2024
2a0e:1140::/2934.4B × /64RIPE NCCKW27th Jun 2019
2a0e:1180::/2934.4B × /64RIPE NCCRU17th Sept 2025
2a0e:1200::/2934.4B × /64RIPE NCCRU11th Apr 2019
2a0e:1240::/2934.4B × /64RIPE NCCIR27th Jun 2019
2a0e:1280::/324.3B × /64RIPE NCCIE8th May 2019
2a0e:12c0::/2934.4B × /64RIPE NCCIE27th Jun 2019
2a0e:1340::/2934.4B × /64RIPE NCCDE27th Jun 2019
2a0e:1380::/2934.4B × /64RIPE NCCIT9th May 2019
2a0e:1400::/2934.4B × /64RIPE NCCUA5th Apr 2019
2a0e:1440::/2934.4B × /64RIPE NCCIR5th Dec 2025
2a0e:1480::/2934.4B × /64RIPE NCCES9th May 2019
2a0e:1600::/324.3B × /64RIPE NCCRU11th Apr 2019
2a0e:1640::/2934.4B × /64RIPE NCCAT27th Jun 2019
2a0e:1680::/2934.4B × /64RIPE NCCRO9th May 2019
2a0e:1800::/2934.4B × /64RIPE NCCAT4th Apr 2019
2a0e:1840::/2934.4B × /64RIPE NCCHK28th Jun 2019
2a0e:1880::/2934.4B × /64RIPE NCCDE9th May 2019
2a0e:18c0::/2934.4B × /64RIPE NCCDE28th Jun 2019
2a0e:1900::/2934.4B × /64RIPE NCCES23rd Apr 2019
2a0e:1940::/2934.4B × /64RIPE NCCES28th Jun 2019
2a0e:1980::/2934.4B × /64RIPE NCCNL9th May 2019
2a0e:19c0::/2934.4B × /64RIPE NCCHK28th Jun 2019
2a0e:1a40::/2934.4B × /64RIPE NCCRU28th Jun 2019
2a0e:1b40::/2934.4B × /64RIPE NCCLT28th Jun 2019
2a0e:1dc0::/2934.4B × /64RIPE NCCDE1st Jul 2019
2a0e:1e00::/2934.4B × /64RIPE NCCRU11th Apr 2019
2a0e:1f00::/2934.4B × /64RIPE NCCIR23rd Apr 2019
2a0e:1f40::/2934.4B × /64RIPE NCCPT1st Jul 2019
2a0e:1f80::/324.3B × /64RIPE NCCES10th May 2019
2a0e:1fc0::/2934.4B × /64RIPE NCCES1st Jul 2019
2a0e:2040::/2934.4B × /64RIPE NCCRU1st Feb 2022
2a0e:2100::/2934.4B × /64RIPE NCCUA23rd Apr 2019
2a0e:2200::/2934.4B × /64RIPE NCCIR29th Jan 2024
2a0e:2300::/2934.4B × /64RIPE NCCIR30th Jan 2024
2a0e:23c0::/2934.4B × /64RIPE NCCNL3rd Jul 2019
2a0e:240::/2934.4B × /64RIPE NCCFR25th Jun 2019
2a0e:2480::/2934.4B × /64RIPE NCCKW10th May 2019
2a0e:24c0::/2934.4B × /64RIPE NCCNL3rd Jul 2019
2a0e:2580::/2934.4B × /64RIPE NCCDE10th May 2019
2a0e:2600::/2934.4B × /64RIPE NCCBE11th Apr 2019
2a0e:2640::/2934.4B × /64RIPE NCCFR4th Jul 2019
2a0e:2740::/2934.4B × /64RIPE NCCCZ4th Jul 2019
2a0e:27c0::/2934.4B × /64RIPE NCCPL4th Jul 2019
2a0e:280::/2934.4B × /64RIPE NCCUA7th May 2019
2a0e:2840::/2934.4B × /64RIPE NCCIT4th Jul 2019