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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

6,735 blocks match, ordered by prefix.

Allocated but unannounced blocks, 101 to 150 of 6735
PrefixAddressesRegistryCountryAllocated
103.101.148.0/221kAPNICCN27th Sept 2017
103.101.184.0/221kAPNICCN28th Sept 2017
103.101.60.0/221kAPNICCN19th Sept 2017
103.101.8.0/221kAPNICCN14th Sept 2017
103.102.168.0/221kAPNICCN19th Oct 2017
103.102.172.0/221kAPNICCN19th Oct 2017
103.102.180.0/221kAPNICCN23rd Oct 2017
103.102.184.0/221kAPNICCN23rd Oct 2017
103.102.188.0/221kAPNICCN23rd Oct 2017
103.102.192.0/221kAPNICCN23rd Oct 2017
103.102.208.0/221kAPNICCN23rd Oct 2017
103.102.76.0/221kAPNICCN12th Oct 2017
103.102.80.0/221kAPNICCN12th Oct 2017
103.103.16.0/221kAPNICCN27th Oct 2017
103.103.188.0/221kAPNICCN10th Nov 2017
103.103.200.0/221kAPNICCN10th Nov 2017
103.103.204.0/221kAPNICCN10th Nov 2017
103.103.220.0/221kAPNICCN13th Nov 2017
103.103.224.0/212kAPNICCN13th Nov 2017
103.103.232.0/221kAPNICCN13th Nov 2017
103.103.248.0/212kAPNICCN14th Nov 2017
103.103.72.0/221kAPNICCN2nd Nov 2017
103.104.0.0/212kAPNICCN14th Nov 2017
103.104.104.0/221kAPNICCN22nd Nov 2017
103.104.152.0/221kAPNICCN27th Nov 2017
103.104.188.0/221kAPNICCN29th Nov 2017
103.104.36.0/221kAPNICCN16th Nov 2017
103.104.40.0/221kAPNICCN16th Nov 2017
103.104.64.0/221kAPNICCN17th Nov 2017
103.105.116.0/221kAPNICCN8th Dec 2017
103.105.16.0/221kAPNICCN4th Dec 2017
103.105.204.0/221kAPNICCN13th Dec 2017
103.105.4.0/221kAPNICCN4th Dec 2017
103.106.120.0/221kAPNICCN25th Dec 2017
103.106.128.0/221kAPNICCN26th Dec 2017
103.106.132.0/221kAPNICCN26th Dec 2017
103.106.160.0/221kAPNICCN28th Dec 2017
103.106.196.0/221kAPNICCN2nd Jan 2018
103.106.212.0/221kAPNICCN4th Jan 2018
103.106.40.0/221kAPNICCN18th Dec 2017
103.106.44.0/221kAPNICCN18th Dec 2017
103.106.60.0/221kAPNICCN19th Dec 2017
103.106.68.0/221kAPNICCN20th Dec 2017
103.106.96.0/221kAPNICCN21st Dec 2017
103.107.108.0/221kAPNICCN11th Jan 2018
103.107.164.0/221kAPNICCN16th Jan 2018
103.107.168.0/221kAPNICCN16th Jan 2018
103.107.188.0/221kAPNICCN17th Jan 2018
103.107.192.0/221kAPNICCN17th Jan 2018
103.107.208.0/221kAPNICCN18th Jan 2018