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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

25,273 blocks match, ordered by prefix.

Allocated but unannounced blocks, 21001 to 21050 of 25273
PrefixAddressesRegistryCountryAllocated
2a13:2ac0::/2934.4B × /64RIPE NCCCZ11th Nov 2022
2a13:2b00::/2934.4B × /64RIPE NCCGB4th Jul 2022
2a13:2b80::/2934.4B × /64RIPE NCCGB18th Aug 2022
2a13:2d00::/2934.4B × /64RIPE NCCIL4th Jul 2022
2a13:2d80::/2934.4B × /64RIPE NCCRO18th Aug 2022
2a13:2e80::/2934.4B × /64RIPE NCCTR18th Aug 2022
2a13:2f00::/2934.4B × /64RIPE NCCTR5th Jul 2022
2a13:2f80::/2934.4B × /64RIPE NCCLB19th Aug 2022
2a13:300::/2934.4B × /64RIPE NCCPL27th Jun 2022
2a13:30c0::/2934.4B × /64RIPE NCCTR14th Nov 2022
2a13:3100::/324.3B × /64RIPE NCCNO5th Jul 2022
2a13:3180::/2934.4B × /64RIPE NCCCZ19th Aug 2022
2a13:3200::/2934.4B × /64RIPE NCCES17th Jun 2022
2a13:3280::/2934.4B × /64RIPE NCCSI13th Mar 2026
2a13:340::/2934.4B × /64RIPE NCCPL12th Oct 2022
2a13:3580::/2934.4B × /64RIPE NCCMK16th Mar 2026
2a13:35c0::/2934.4B × /64RIPE NCCAZ15th Nov 2022
2a13:3740::/2934.4B × /64RIPE NCCKW16th Nov 2022
2a13:37c0::/2934.4B × /64RIPE NCCAZ16th Nov 2022
2a13:3800::/2934.4B × /64RIPE NCCGB7th Jun 2022
2a13:380::/2934.4B × /64RIPE NCCIL3rd Aug 2022
2a13:3900::/2934.4B × /64RIPE NCCGR6th Jul 2022
2a13:3940::/2934.4B × /64RIPE NCCKZ18th Nov 2022
2a13:39c0::/324.3B × /64RIPE NCCOM21st Nov 2022
2a13:3a00::/2934.4B × /64RIPE NCCAM17th Jun 2022
2a13:3a40::/2934.4B × /64RIPE NCCIR21st Nov 2022
2a13:3b40::/2934.4B × /64RIPE NCCIT21st Nov 2022
2a13:3b80::/2934.4B × /64RIPE NCCRU24th Aug 2022
2a13:3bc0::/2934.4B × /64RIPE NCCHU22nd Nov 2022
2a13:3c00::/2934.4B × /64RIPE NCCDE9th Jun 2022
2a13:3c40::/2934.4B × /64RIPE NCCNO22nd Nov 2022
2a13:3c80::/2934.4B × /64RIPE NCCRU24th Aug 2022
2a13:3e00::/324.3B × /64RIPE NCCIT20th Jun 2022
2a13:3e40::/2934.4B × /64RIPE NCCIR23rd Nov 2022
2a13:3f00::/324.3B × /64RIPE NCCAZ8th Jul 2022
2a13:3f40::/2934.4B × /64RIPE NCCMD24th Nov 2022
2a13:3fc0::/2934.4B × /64RIPE NCCPT24th Nov 2022
2a13:4000::/2934.4B × /64RIPE NCCTR2nd Jun 2022
2a13:4040::/2934.4B × /64RIPE NCCRU24th Nov 2022
2a13:4080::/2934.4B × /64RIPE NCCDE25th Aug 2022
2a13:4100::/2934.4B × /64RIPE NCCDE8th Jul 2022
2a13:4140::/2934.4B × /64RIPE NCCUA24th Nov 2022
2a13:4180::/2934.4B × /64RIPE NCCAL25th Aug 2022
2a13:4200::/2934.4B × /64RIPE NCCBG20th Jun 2022
2a13:4240::/2934.4B × /64RIPE NCCGB25th Nov 2022
2a13:4280::/2934.4B × /64RIPE NCCIT25th Aug 2022
2a13:42c0::/2934.4B × /64RIPE NCCRU17th Mar 2026
2a13:4340::/2934.4B × /64RIPE NCCDK25th Nov 2022
2a13:4380::/2934.4B × /64RIPE NCCGB25th Aug 2022
2a13:43c0::/2934.4B × /64RIPE NCCRU25th Nov 2022