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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

2,838 blocks match, ordered by prefix.

Allocated but unannounced blocks, 2001 to 2050 of 2838
Prefix	Addresses	Registry	Country	Allocated
2001:df6:9240::/48	65.5k × /64	APNIC	ID	13th Jan 2026
2001:df6:940::/48	65.5k × /64	APNIC	ID	26th Aug 2025
2001:df6:9540::/48	65.5k × /64	APNIC	ID	15th Jan 2026
2001:df6:95c0::/48	65.5k × /64	APNIC	ID	15th Jan 2026
2001:df6:9600::/48	65.5k × /64	APNIC	ID	16th Nov 2016
2001:df6:9700::/48	65.5k × /64	APNIC	ID	12th Sept 2018
2001:df6:9740::/48	65.5k × /64	APNIC	ID	15th Jan 2026
2001:df6:97c0::/48	65.5k × /64	APNIC	ID	15th Jan 2026
2001:df6:9840::/48	65.5k × /64	APNIC	ID	18th Jan 2026
2001:df6:99c0::/48	65.5k × /64	APNIC	ID	20th Jan 2026
2001:df6:9ac0::/48	65.5k × /64	APNIC	ID	20th Jan 2026
2001:df6:9bc0::/48	65.5k × /64	APNIC	ID	20th Jan 2026
2001:df6:9c0::/48	65.5k × /64	APNIC	ID	27th Aug 2025
2001:df6:9c40::/48	65.5k × /64	APNIC	ID	21st Jan 2026
2001:df6:9cc0::/48	65.5k × /64	APNIC	ID	21st Jan 2026
2001:df6:9d00::/48	65.5k × /64	APNIC	ID	13th Sept 2018
2001:df6:9d40::/48	65.5k × /64	APNIC	ID	21st Jan 2026
2001:df6:9f00::/48	65.5k × /64	APNIC	ID	13th Sept 2018
2001:df6:9f40::/48	65.5k × /64	APNIC	ID	23rd Jan 2026
2001:df6:9fc0::/48	65.5k × /64	APNIC	ID	23rd Jan 2026
2001:df6:a00::/48	65.5k × /64	APNIC	ID	28th Oct 2016
2001:df6:a140::/48	65.5k × /64	APNIC	ID	26th Jan 2026
2001:df6:a240::/48	65.5k × /64	APNIC	ID	26th Jan 2026
2001:df6:a2c0::/48	65.5k × /64	APNIC	ID	27th Jan 2026
2001:df6:a340::/48	65.5k × /64	APNIC	ID	27th Jan 2026
2001:df6:a5c0::/48	65.5k × /64	APNIC	ID	29th Jan 2026
2001:df6:a740::/48	65.5k × /64	APNIC	ID	29th Jan 2026
2001:df6:a7c0::/48	65.5k × /64	APNIC	ID	30th Jan 2026
2001:df6:a9c0::/48	65.5k × /64	APNIC	ID	2nd Feb 2026
2001:df6:abc0::/48	65.5k × /64	APNIC	ID	3rd Feb 2026
2001:df6:ae40::/48	65.5k × /64	APNIC	ID	5th Feb 2026
2001:df6:afc0::/48	65.5k × /64	APNIC	ID	5th Feb 2026
2001:df6:b00::/48	65.5k × /64	APNIC	ID	1st Aug 2018
2001:df6:b040::/48	65.5k × /64	APNIC	ID	8th Feb 2026
2001:df6:b440::/48	65.5k × /64	APNIC	ID	11th Feb 2026
2001:df6:b480::/48	65.5k × /64	APNIC	ID	24th May 2021
2001:df6:b640::/48	65.5k × /64	APNIC	ID	13th Feb 2026
2001:df6:b700::/48	65.5k × /64	APNIC	ID	19th Sept 2018
2001:df6:b8c0::/48	65.5k × /64	APNIC	ID	16th Feb 2026
2001:df6:bc0::/48	65.5k × /64	APNIC	ID	27th Aug 2025
2001:df6:bc40::/48	65.5k × /64	APNIC	ID	19th Feb 2026
2001:df6:bcc0::/48	65.5k × /64	APNIC	ID	20th Feb 2026
2001:df6:bf00::/48	65.5k × /64	APNIC	ID	21st Sept 2018
2001:df6:c100::/48	65.5k × /64	APNIC	ID	21st Sept 2018
2001:df6:c2c0::/48	65.5k × /64	APNIC	ID	25th Feb 2026
2001:df6:c300::/48	65.5k × /64	APNIC	ID	21st Sept 2018
2001:df6:c440::/48	65.5k × /64	APNIC	ID	27th Feb 2026
2001:df6:c8c0::/48	65.5k × /64	APNIC	ID	5th Mar 2026
2001:df6:c940::/48	65.5k × /64	APNIC	ID	5th Mar 2026
2001:df6:c9c0::/48	65.5k × /64	APNIC	ID	6th Mar 2026