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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 unannounced space registered through APNIC, largest first.

Unannounced blocks registered through APNIC

22,591 blocks match, ordered by prefix.

Allocated but unannounced blocks, 851 to 900 of 22591
PrefixAddressesRegistryCountryAllocated
103.145.188.0/23512APNICCN27th Nov 2019
103.145.200.0/23512APNICID28th Nov 2019
103.145.250.0/23512APNICVN2nd Dec 2019
103.145.89.0/24256APNICIN18th Nov 2019
103.145.98.0/23512APNICCN18th Nov 2019
103.146.107.0/24256APNICIN11th Dec 2019
103.146.108.0/23512APNICIN11th Dec 2019
103.146.114.0/23512APNICJP12th Dec 2019
103.146.138.0/23512APNICCN15th Dec 2019
103.146.164.0/23512APNICTW17th Dec 2019
103.146.172.0/23512APNICIN17th Dec 2019
103.146.192.0/23512APNICNZ18th Dec 2019
103.146.236.0/23512APNICCN20th Dec 2019
103.146.254.0/23512APNICIN23rd Dec 2019
103.146.28.0/23512APNICID3rd Dec 2019
103.146.46.0/24256APNICIN4th Dec 2019
103.146.6.0/23512APNICAU9th May 2024
103.146.68.0/23512APNICBD9th Dec 2019
103.146.70.0/23512APNICID9th Dec 2019
103.146.72.0/23512APNICCN9th Dec 2019
103.147.102.0/23512APNICID9th Jan 2020
103.147.116.0/23512APNICID10th Jan 2020
103.147.140.0/23512APNICID13th Jan 2020
103.147.142.0/23512APNICID13th Jan 2020
103.147.144.0/23512APNICID13th Jan 2020
103.147.146.0/23512APNICID13th Jan 2020
103.147.148.0/23512APNICID13th Jan 2020
103.147.164.0/23512APNICID15th Jan 2020
103.147.178.0/23512APNICIN16th Jan 2020
103.147.188.0/23512APNICVN17th Jan 2020
103.147.193.0/24256APNICIN17th Jan 2020
103.147.194.0/23512APNICFJ19th Jan 2020
103.147.20.0/23512APNICHK23rd Dec 2019
103.147.206.0/23512APNICCN20th Jan 2020
103.147.214.0/23512APNICID21st Jan 2020
103.147.253.0/24256APNICID27th Jan 2020
103.147.45.0/24256APNICHK31st Dec 2019
103.147.50.0/23512APNICID31st Dec 2019
103.147.54.0/23512APNICID31st Dec 2019
103.147.61.0/24256APNICAU3rd Jan 2020
103.147.64.0/23512APNICID3rd Jan 2020
103.147.66.0/23512APNICID3rd Jan 2020
103.147.74.0/23512APNICID6th Jan 2020
103.147.94.0/23512APNICIN8th Jan 2020
103.148.146.0/23512APNICTW15th Feb 2020
103.148.156.0/23512APNICIN17th Feb 2020
103.148.174.0/23512APNICCN19th Feb 2020
103.148.226.0/23512APNICHK25th Feb 2020
103.148.236.0/23512APNICUS26th Feb 2020
103.148.252.0/23512APNICID28th Feb 2020