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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

85,356 blocks match, ordered by prefix.

Allocated but unannounced blocks, 36951 to 37000 of 85356
PrefixAddressesRegistryCountryAllocated
2001:67c:e1c::/4865.5k × /64RIPE NCCDE29th Feb 2024
2001:67c:e24::/4865.5k × /64RIPE NCCGB1st Mar 2024
2001:67c:e30::/4865.5k × /64RIPE NCCIT6th Mar 2024
2001:67c:e34::/4865.5k × /64RIPE NCCNL13th Mar 2024
2001:67c:e38::/4865.5k × /64RIPE NCCRU18th Mar 2024
2001:67c:e48::/4865.5k × /64RIPE NCCRU27th Mar 2024
2001:67c:e4::/4865.5k × /64RIPE NCCBG30th Mar 2021
2001:67c:e4c::/4865.5k × /64RIPE NCCCH2nd Apr 2024
2001:67c:e58::/4865.5k × /64RIPE NCCFR8th Apr 2024
2001:67c:e64::/4865.5k × /64RIPE NCCEE12th Aug 2025
2001:67c:e84::/4865.5k × /64RIPE NCCPL23rd Apr 2024
2001:67c:e88::/4865.5k × /64RIPE NCCNO30th Apr 2024
2001:67c:e8::/4865.5k × /64RIPE NCCRU24th Dec 2009
2001:67c:eac::/4865.5k × /64RIPE NCCRU5th Jun 2024
2001:67c:ebc::/4865.5k × /64RIPE NCCCN13th Jun 2024
2001:67c:ec8::/4865.5k × /64RIPE NCCPW24th Jun 2024
2001:67c:eec::/4865.5k × /64RIPE NCCSE1st Jul 2024
2001:67c:ef0::/4865.5k × /64RIPE NCCFR3rd Jul 2024
2001:67c:ef8::/4865.5k × /64RIPE NCCZA9th Jul 2024
2001:67c:efc::/4865.5k × /64RIPE NCCCH10th Jul 2024
2001:67c:f08::/4865.5k × /64RIPE NCCAT28th Aug 2024
2001:67c:f0::/4865.5k × /64RIPE NCCGB30th Jun 2026
2001:67c:f0c::/4865.5k × /64RIPE NCCAT28th Aug 2024
2001:67c:f10::/4865.5k × /64RIPE NCCAT28th Aug 2024
2001:67c:f24::/4865.5k × /64RIPE NCCEE26th Sept 2024
2001:67c:f28::/4865.5k × /64RIPE NCCDE27th Sept 2024
2001:67c:f2c::/4865.5k × /64RIPE NCCHK1st Oct 2024
2001:67c:f40::/4865.5k × /64RIPE NCCRU16th Oct 2024
2001:67c:f4::/4865.5k × /64RIPE NCCDE31st Aug 2021
2001:67c:f50::/4865.5k × /64RIPE NCCDE21st Oct 2024
2001:67c:f58::/4865.5k × /64RIPE NCCRU25th Oct 2024
2001:67c:f5c::/4865.5k × /64RIPE NCCDE30th Oct 2024
2001:67c:f60::/4865.5k × /64RIPE NCCGB30th Oct 2024
2001:67c:f64::/4865.5k × /64RIPE NCCRU30th Oct 2024
2001:67c:f80::/4865.5k × /64RIPE NCCAT8th Nov 2024
2001:67c:f88::/4865.5k × /64RIPE NCCRU11th Nov 2024
2001:67c:f94::/4865.5k × /64RIPE NCCME15th Nov 2024
2001:67c:fa0::/4865.5k × /64RIPE NCCRU22nd Nov 2024
2001:67c:fa8::/4865.5k × /64RIPE NCCBE22nd Nov 2024
2001:67c:fb4::/4865.5k × /64RIPE NCCRU17th Dec 2024
2001:67c:fcc::/4865.5k × /64RIPE NCCRU20th Dec 2024
2001:67c:fdc::/4865.5k × /64RIPE NCCDE26th Aug 2026
2001:6c0::/324.3B × /64RIPE NCCFR14th Mar 2006
2001:6e0::/2934.4B × /64RIPE NCCNL7th Mar 2001
2001:790::/324.3B × /64RIPE NCCIR14th Jun 2005
2001:7f8:100::/4865.5k × /64RIPE NCCRU17th Dec 2025
2001:7f8:101::/4865.5k × /64RIPE NCCIT24th Aug 2020
2001:7f8:102::/4865.5k × /64RIPE NCCSA23rd Aug 2021
2001:7f8:103::/4865.5k × /64RIPE NCCDE11th Sept 2020
2001:7f8:104::/4865.5k × /64RIPE NCCNL18th Sept 2020