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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 the most unannounced blocks, largest first.

Unannounced blocks

85,108 blocks match, ordered by prefix.

Allocated but unannounced blocks, 72751 to 72800 of 85108
PrefixAddressesRegistryCountryAllocated
2a0a:42c0::/2934.4B × /64RIPE NCCIT10th Mar 2017
2a0a:4300::/2934.4B × /64RIPE NCCNL23rd Sept 2016
2a0a:4340::/2934.4B × /64RIPE NCCIQ13th Jan 2020
2a0a:43c0::/2934.4B × /64RIPE NCCES13th Mar 2017
2a0a:4480::/2934.4B × /64RIPE NCCIT15th Nov 2016
2a0a:45c0::/2934.4B × /64RIPE NCCTR16th Jul 2026
2a0a:4600::/2934.4B × /64RIPE NCCNL31st Aug 2016
2a0a:46c0::/2934.4B × /64RIPE NCCIR13th Mar 2017
2a0a:4700::/2934.4B × /64RIPE NCCUS23rd Sept 2016
2a0a:4740::/2934.4B × /64RIPE NCCAT14th Mar 2017
2a0a:4800::/2934.4B × /64RIPE NCCAT11th Aug 2016
2a0a:480::/2934.4B × /64RIPE NCCIR1st Nov 2016
2a0a:4880::/2934.4B × /64RIPE NCCRU15th Nov 2016
2a0a:4a00::/2934.4B × /64RIPE NCCCH20th Jun 2019
2a0a:4a80::/2934.4B × /64RIPE NCCPL16th Nov 2016
2a0a:4b00::/2934.4B × /64RIPE NCCIL23rd Sept 2016
2a0a:4b40::/2934.4B × /64RIPE NCCFR15th Mar 2017
2a0a:4b80::/2934.4B × /64RIPE NCCIR2nd Jan 2020
2a0a:4bc0::/2934.4B × /64RIPE NCCUS15th Mar 2017
2a0a:4c40::/324.3B × /64RIPE NCCGR15th Mar 2017
2a0a:4c80::/2934.4B × /64RIPE NCCDE16th Nov 2016
2a0a:4d40::/324.3B × /64RIPE NCCFR15th Mar 2017
2a0a:4e00::/2934.4B × /64RIPE NCCIR31st Aug 2016
2a0a:4e40::/2934.4B × /64RIPE NCCES15th Mar 2017
2a0a:4f00::/2934.4B × /64RIPE NCCNO23rd Sept 2016
2a0a:4f40::/324.3B × /64RIPE NCCRU16th Mar 2017
2a0a:4fc0::/2934.4B × /64RIPE NCCIT16th Mar 2017
2a0a:500::/2934.4B × /64RIPE NCCLB16th Sept 2016
2a0a:5040::/324.3B × /64RIPE NCCES16th Mar 2017
2a0a:50c0::/2934.4B × /64RIPE NCCFR16th Mar 2017
2a0a:5100::/2934.4B × /64RIPE NCCFR26th Sept 2016
2a0a:5140::/2934.4B × /64RIPE NCCES16th Mar 2017
2a0a:5180::/2934.4B × /64RIPE NCCGB17th Nov 2016
2a0a:5200::/324.3B × /64RIPE NCCSE31st Aug 2016
2a0a:5240::/2934.4B × /64RIPE NCCIL16th Mar 2017
2a0a:5280::/2934.4B × /64RIPE NCCDE17th Nov 2016
2a0a:52c0::/2934.4B × /64RIPE NCCNL16th Mar 2017
2a0a:5300::/2934.4B × /64RIPE NCCGB26th Sept 2016
2a0a:5380::/2934.4B × /64RIPE NCCFI17th Nov 2016
2a0a:5440::/2934.4B × /64RIPE NCCNL16th Jul 2026
2a0a:5500::/2934.4B × /64RIPE NCCIT26th Sept 2016
2a0a:5540::/2934.4B × /64RIPE NCCIR20th Mar 2017
2a0a:55c0::/2934.4B × /64RIPE NCCUS20th Mar 2017
2a0a:5700::/2934.4B × /64RIPE NCCLT26th Jan 2021
2a0a:5740::/2934.4B × /64RIPE NCCES20th Mar 2017
2a0a:57c0::/2934.4B × /64RIPE NCCDE15th Jul 2025
2a0a:580::/2934.4B × /64RIPE NCCDE2nd Nov 2016
2a0a:58c0::/2934.4B × /64RIPE NCCRU21st Mar 2017
2a0a:5940::/2934.4B × /64RIPE NCCGB21st Mar 2017
2a0a:5a40::/2934.4B × /64RIPE NCCGB21st Mar 2017