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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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

Unannounced blocks in Austria

556 blocks match, ordered by prefix.

Allocated but unannounced blocks, 201 to 250 of 556
PrefixAddressesRegistryCountryAllocated
195.200.197.0/24256RIPE NCCAT2nd Aug 2006
195.234.157.0/24256RIPE NCCAT13th Sept 2002
195.234.18.0/23512RIPE NCCAT2nd Nov 2009
195.242.168.0/24256RIPE NCCAT19th Jun 2008
195.250.32.0/24256RIPE NCCAT18th Jan 2006
195.34.131.0/24256RIPE NCCAT28th Oct 1996
195.35.104.32/2732RIPE NCCAT24th Sept 2001
195.47.217.0/24256RIPE NCCAT24th Apr 2003
195.5.188.0/24256RIPE NCCAT21st Apr 2008
195.54.58.0/24256RIPE NCCAT20th Jul 2022
195.60.67.0/24256RIPE NCCAT18th Apr 2006
195.60.85.192/2664RIPE NCCAT20th Mar 2026
195.64.146.0/23512RIPE NCCAT20th Dec 2006
195.64.96.0/24256RIPE NCCAT25th Jan 2022
195.7.0.0/221kRIPE NCCAT27th Sept 2018
195.78.102.0/23512RIPE NCCAT5th Oct 2009
195.80.234.0/24256RIPE NCCAT28th Jun 2005
195.85.32.0/221kRIPE NCCAT6th Feb 1997
195.85.40.0/221kRIPE NCCAT6th Feb 1997
195.85.48.0/23512RIPE NCCAT6th Feb 1997
195.85.68.0/221kRIPE NCCAT6th Feb 1997
195.88.10.0/23512RIPE NCCAT23rd Jan 2009
195.88.34.0/23512RIPE NCCAT4th Feb 2009
195.93.146.0/23512RIPE NCCAT6th Dec 2007
195.93.194.0/23512RIPE NCCAT24th Dec 2007
2.57.180.0/221kRIPE NCCAT20th Mar 2019
2.58.146.0/23512RIPE NCCAT21st Mar 2019
2.58.213.0/24256RIPE NCCAT8th Jan 2025
2.59.116.0/24256RIPE NCCAT26th Mar 2019
2.59.172.0/221kRIPE NCCAT26th Mar 2019
2001:1408::/324.3B × /64RIPE NCCAT12th May 2003
2001:4b40::/324.3B × /64RIPE NCCAT20th Jan 2005
2001:678:20c::/4865.5k × /64RIPE NCCAT7th May 2020
2001:678:5e8::/4865.5k × /64RIPE NCCAT12th Sept 2025
2001:678:710::/4865.5k × /64RIPE NCCAT7th Apr 2025
2001:678:a4::/4865.5k × /64RIPE NCCAT2nd Mar 2015
2001:678:c1c::/4865.5k × /64RIPE NCCAT24th Jan 2020
2001:678:d::/4865.5k × /64RIPE NCCAT11th Jun 2009
2001:678:ea4::/4865.5k × /64RIPE NCCAT7th Aug 2024
2001:67c:1078::/4865.5k × /64RIPE NCCAT15th Aug 2012
2001:67c:11f4::/4865.5k × /64RIPE NCCAT21st Jan 2013
2001:67c:1284::/4865.5k × /64RIPE NCCAT21st Sept 2012
2001:67c:13e8::/4865.5k × /64RIPE NCCAT12th Mar 2013
2001:67c:14bc::/4865.5k × /64RIPE NCCAT17th Oct 2012
2001:67c:14d4::/4865.5k × /64RIPE NCCAT19th Oct 2012
2001:67c:1508::/4865.5k × /64RIPE NCCAT18th Mar 2013
2001:67c:16a8::/4865.5k × /64RIPE NCCAT31st Oct 2012
2001:67c:178::/4865.5k × /64RIPE NCCAT2nd Mar 2010
2001:67c:17c::/4865.5k × /64RIPE NCCAT4th Mar 2010
2001:67c:180::/4865.5k × /64RIPE NCCAT4th Mar 2010