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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

931 blocks match, ordered by prefix.

Allocated but unannounced blocks, 401 to 450 of 931
PrefixAddressesRegistryCountryAllocated
2001:df6:1840::/4865.5k × /64APNICHK6th Sept 2025
2001:df6:1980::/4865.5k × /64APNICHK26th Feb 2021
2001:df6:1c80::/4865.5k × /64APNICHK1st Mar 2021
2001:df6:200::/4865.5k × /64APNICHK28th Oct 2016
2001:df6:2680::/4865.5k × /64APNICHK4th Mar 2021
2001:df6:400::/4865.5k × /64APNICHK8th Sept 2015
2001:df6:5140::/4865.5k × /64APNICHK14th Nov 2025
2001:df6:540::/4865.5k × /64APNICHK22nd Aug 2025
2001:df6:55c0::/4865.5k × /64APNICHK18th Nov 2025
2001:df6:5680::/4865.5k × /64APNICHK25th Mar 2021
2001:df6:5780::/4865.5k × /64APNICHK25th Mar 2021
2001:df6:6280::/4865.5k × /64APNICHK30th Mar 2021
2001:df6:740::/4865.5k × /64APNICHK25th Aug 2025
2001:df6:800::/441M × /64APNICHK23rd May 2014
2001:df6:8380::/4865.5k × /64APNICHK20th Apr 2021
2001:df6:8780::/4865.5k × /64APNICHK20th Apr 2021
2001:df6:9b00::/4865.5k × /64APNICHK13th Sept 2018
2001:df6:a780::/4865.5k × /64APNICHK17th May 2021
2001:df6:a980::/4865.5k × /64APNICHK17th May 2021
2001:df6:aa80::/4865.5k × /64APNICHK17th May 2021
2001:df6:b2c0::/4865.5k × /64APNICHK10th Feb 2026
2001:df6:bc00::/4865.5k × /64APNICHK16th Oct 2015
2001:df6:cb80::/4865.5k × /64APNICHK10th Jun 2021
2001:df6:d000::/4865.5k × /64APNICHK28th Oct 2013
2001:df6:d840::/4865.5k × /64APNICHK24th Mar 2026
2001:df6:f480::/4865.5k × /64APNICHK1st Jul 2021
2001:df7:1780::/4865.5k × /64APNICHK25th Jul 2021
2001:df7:2600::/4865.5k × /64APNICHK6th Dec 2016
2001:df7:3480::/4865.5k × /64APNICHK6th Aug 2021
2001:df7:5500::/4865.5k × /64APNICHK7th Dec 2018
2001:df7:55c0::/4865.5k × /64APNICHK7th Aug 2026
2001:df7:6280::/4865.5k × /64APNICHK24th Aug 2021
2001:df7:6680::/4865.5k × /64APNICHK25th Aug 2021
2001:df7:680::/4865.5k × /64APNICHK19th Jul 2021
2001:df7:7000::/4865.5k × /64APNICHK11th Nov 2013
2001:df7:7c0::/4865.5k × /64APNICHK12th May 2026
2001:df7:7f00::/4865.5k × /64APNICHK8th Jan 2019
2001:df7:8680::/4865.5k × /64APNICHK9th Sept 2021
2001:df7:aa80::/4865.5k × /64APNICHK29th Sept 2021
2001:df7:f680::/4865.5k × /64APNICHK1st Nov 2021
201.15.128.0/204.1kAPNICHK13th Mar 2025
201.15.160.0/204.1kAPNICHK13th Mar 2025
201.15.208.0/204.1kAPNICHK13th Mar 2025
202.123.112.0/221kAPNICHK30th Jan 2017
202.123.160.0/204.1kAPNICHK3rd May 2001
202.14.68.0/24256APNICHK1st Jan 1993
202.174.8.0/212kAPNICHK13th May 2005
202.2.80.0/212kAPNICHK9th Mar 2000
202.3.134.0/24256APNICHK14th Jan 2019
202.38.178.0/23512APNICHK24th Dec 2003