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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

945 blocks match, ordered by prefix.

Allocated but unannounced blocks, 451 to 500 of 945
PrefixAddressesRegistryCountryAllocated
2a04:7b00::/2934.4B × /64RIPE NCCIT31st Mar 2015
2a04:8200::/2934.4B × /64RIPE NCCIT11th Nov 2013
2a04:a200::/2934.4B × /64RIPE NCCIT16th Jan 2014
2a04:b180::/2934.4B × /64RIPE NCCIT7th Jun 2021
2a04:b200::/2934.4B × /64RIPE NCCIT18th Feb 2014
2a04:b8c0::/2934.4B × /64RIPE NCCIT4th Mar 2014
2a04:bec0::/2934.4B × /64RIPE NCCIT14th Mar 2014
2a04:c1c0::/2934.4B × /64RIPE NCCIT20th Mar 2014
2a04:c640::/2934.4B × /64RIPE NCCIT27th Mar 2014
2a04:cb00::/2934.4B × /64RIPE NCCIT7th Apr 2014
2a04:d40::/2934.4B × /64RIPE NCCIT13th Feb 2013
2a04:dc40::/2934.4B × /64RIPE NCCIT8th May 2014
2a04:e480::/2934.4B × /64RIPE NCCIT2nd Jun 2014
2a04:ef40::/2934.4B × /64RIPE NCCIT25th Jun 2014
2a04:f4c0::/2934.4B × /64RIPE NCCIT13th Jul 2015
2a04:fc00::/2934.4B × /64RIPE NCCIT23rd Jul 2014
2a05:23c0::/2934.4B × /64RIPE NCCIT10th Sept 2014
2a05:2780::/2934.4B × /64RIPE NCCIT18th Jan 2016
2a05:2f80::/2934.4B × /64RIPE NCCIT24th Sept 2014
2a05:3780::/2934.4B × /64RIPE NCCIT14th Jun 2018
2a05:3880::/2934.4B × /64RIPE NCCIT13th Apr 2026
2a05:40::/2934.4B × /64RIPE NCCIT4th Jan 2016
2a05:42c0::/2934.4B × /64RIPE NCCIT16th Oct 2014
2a05:4a00::/2934.4B × /64RIPE NCCIT23rd Oct 2014
2a05:6080::/2934.4B × /64RIPE NCCIT14th Nov 2014
2a05:6180::/2934.4B × /64RIPE NCCIT17th Nov 2014
2a05:6800::/2934.4B × /64RIPE NCCIT21st Nov 2014
2a05:7380::/2934.4B × /64RIPE NCCIT5th Jan 2026
2a05:8000::/2934.4B × /64RIPE NCCIT25th May 2021
2a05:a440::/2934.4B × /64RIPE NCCIT16th Jan 2015
2a05:a540::/2934.4B × /64RIPE NCCIT16th Jan 2015
2a05:ae00::/2934.4B × /64RIPE NCCIT26th Jan 2015
2a05:b240::/2934.4B × /64RIPE NCCIT28th Jan 2015
2a05:bb00::/2934.4B × /64RIPE NCCIT4th Feb 2015
2a05:bdc0::/2934.4B × /64RIPE NCCIT6th Feb 2015
2a05:bf80::/2934.4B × /64RIPE NCCIT9th Feb 2015
2a05:bfc0::/2934.4B × /64RIPE NCCIT9th Feb 2015
2a05:ca00::/2934.4B × /64RIPE NCCIT16th Feb 2015
2a05:dd40::/2934.4B × /64RIPE NCCIT25th May 2021
2a05:ed00::/2934.4B × /64RIPE NCCIT13th Mar 2015
2a05:fcc0::/2934.4B × /64RIPE NCCIT14th Apr 2015
2a05:fe00::/2934.4B × /64RIPE NCCIT15th Apr 2015
2a06:1f00::/2934.4B × /64RIPE NCCIT26th May 2015
2a06:38c0::/2934.4B × /64RIPE NCCIT22nd Jun 2015
2a06:4500::/2934.4B × /64RIPE NCCIT6th Jul 2015
2a06:5140::/2934.4B × /64RIPE NCCIT16th Jul 2015
2a06:5c0::/2934.4B × /64RIPE NCCIT22nd Apr 2015
2a06:6300::/2934.4B × /64RIPE NCCIT5th Aug 2015
2a06:65c0::/2934.4B × /64RIPE NCCIT10th Aug 2015
2a06:6840::/2934.4B × /64RIPE NCCIT31st Dec 2019