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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

6,735 blocks match, ordered by prefix.

Allocated but unannounced blocks, 4901 to 4950 of 6735
Prefix	Addresses	Registry	Country	Allocated
2403:d80::/32	4.3B × /64	APNIC	CN	12th Oct 2015
2403:d880::/32	4.3B × /64	APNIC	CN	8th Dec 2015
2403:d980::/32	4.3B × /64	APNIC	CN	8th Dec 2015
2403:d9c0::/32	4.3B × /64	APNIC	CN	29th Oct 2018
2403:da80::/32	4.3B × /64	APNIC	CN	8th Dec 2015
2403:dac0::/32	4.3B × /64	APNIC	CN	29th Oct 2018
2403:db00::/32	4.3B × /64	APNIC	CN	11th May 2012
2403:db80::/32	4.3B × /64	APNIC	CN	8th Dec 2015
2403:dc80::/32	4.3B × /64	APNIC	CN	8th Dec 2015
2403:dd80::/32	4.3B × /64	APNIC	CN	8th Dec 2015
2403:de80::/32	4.3B × /64	APNIC	CN	8th Dec 2015
2403:df80::/32	4.3B × /64	APNIC	CN	8th Dec 2015
2403:e080::/32	4.3B × /64	APNIC	CN	8th Dec 2015
2403:e180::/32	4.3B × /64	APNIC	CN	8th Dec 2015
2403:e280::/32	4.3B × /64	APNIC	CN	8th Dec 2015
2403:e300::/32	4.3B × /64	APNIC	CN	14th May 2012
2403:e480::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:e500::/32	4.3B × /64	APNIC	CN	14th May 2012
2403:e580::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:e640::/32	4.3B × /64	APNIC	CN	6th Nov 2018
2403:e680::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:e700::/32	4.3B × /64	APNIC	CN	15th May 2012
2403:e780::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:e80::/32	4.3B × /64	APNIC	CN	12th Oct 2015
2403:e880::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:e980::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:ea80::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:eac0::/32	4.3B × /64	APNIC	CN	9th Nov 2018
2403:eb80::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:ec80::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:ed00::/32	4.3B × /64	APNIC	CN	17th May 2012
2403:ed40::/32	4.3B × /64	APNIC	CN	12th Nov 2018
2403:ed80::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:ee80::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:ef80::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:f00::/32	4.3B × /64	APNIC	CN	7th Feb 2012
2403:f080::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:f100::/32	4.3B × /64	APNIC	CN	17th May 2012
2403:f180::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:f240::/32	4.3B × /64	APNIC	CN	15th Nov 2018
2403:f280::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:f300::/32	4.3B × /64	APNIC	CN	17th May 2012
2403:f380::/32	4.3B × /64	APNIC	CN	10th Dec 2015
2403:f580::/32	4.3B × /64	APNIC	CN	11th Dec 2015
2403:f740::/32	4.3B × /64	APNIC	CN	20th Nov 2018
2403:f80::/32	4.3B × /64	APNIC	CN	12th Oct 2015
2403:f8c0::/32	4.3B × /64	APNIC	CN	22nd Nov 2018
2403:f980::/32	4.3B × /64	APNIC	CN	14th Dec 2015
2403:fb00::/32	4.3B × /64	APNIC	CN	18th May 2012
2403:fb80::/32	4.3B × /64	APNIC	CN	15th Dec 2015