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It is also a snapshot, not a history: a block announced yesterday and withdrawn this morning appears here today.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 Netherlands
1,704 blocks match, ordered by prefix.
| Prefix | Addresses | Registry | Country | Allocated |
|---|---|---|---|---|
| 193.46.80.0/24 | 256 | RIPE NCC |  NL | 2nd Aug 2007 |
| 193.46.92.0/22 | 1k | RIPE NCC | NL | 10th Aug 1994 |
| 193.46.96.0/22 | 1k | RIPE NCC | NL | 10th Aug 1994 |
| 193.47.150.0/24 | 256 | RIPE NCC | NL | 14th Nov 2019 |
| 193.47.188.0/24 | 256 | RIPE NCC | NL | 1st Aug 2005 |
| 193.47.193.0/24 | 256 | RIPE NCC | NL | 14th Nov 2019 |
| 193.47.254.0/24 | 256 | RIPE NCC | NL | 14th Nov 2019 |
| 193.5.128.0/20 | 4.1k | RIPE NCC | NL | 26th May 1997 |
| 193.53.1.0/24 | 256 | RIPE NCC | NL | 14th Nov 2019 |
| 193.57.174.0/23 | 512 | RIPE NCC | NL | 10th Oct 2019 |
| 193.57.202.0/23 | 512 | RIPE NCC | NL | 10th Oct 2019 |
| 193.58.254.0/24 | 256 | RIPE NCC | NL | 15th Nov 2019 |
| 193.84.176.0/24 | 256 | RIPE NCC | NL | 17th Feb 2006 |
| 193.84.188.0/22 | 1k | RIPE NCC | NL | 3rd May 2018 |
| 193.84.250.0/24 | 256 | RIPE NCC | NL | 15th Nov 2019 |
| 193.84.95.0/24 | 256 | RIPE NCC | NL | 6th May 2026 |
| 194.0.197.0/24 | 256 | RIPE NCC | NL | 16th Feb 2007 |
| 194.0.250.0/24 | 256 | RIPE NCC | NL | 8th Mar 2007 |
| 194.0.30.0/24 | 256 | RIPE NCC | NL | 4th Jul 2011 |
| 194.0.31.0/24 | 256 | RIPE NCC | NL | 4th Jul 2011 |
| 194.1.204.0/24 | 256 | RIPE NCC | NL | 22nd Feb 2007 |
| 194.104.150.0/23 | 512 | RIPE NCC | NL | 20th Feb 1995 |
| 194.104.159.0/24 | 256 | RIPE NCC | NL | 26th May 1995 |
| 194.104.160.0/20 | 4.1k | RIPE NCC | NL | 18th Dec 1994 |
| 194.104.176.0/21 | 2k | RIPE NCC | NL | 18th Dec 1994 |
| 194.104.184.0/24 | 256 | RIPE NCC | NL | 18th Dec 1994 |
| 194.104.185.0/24 | 256 | RIPE NCC | NL | 15th Feb 1995 |
| 194.104.88.0/23 | 512 | RIPE NCC | NL | 2nd Dec 1994 |
| 194.104.96.0/24 | 256 | RIPE NCC | NL | 2nd Dec 1994 |
| 194.109.0.0/16 | 65.5k | RIPE NCC | NL | 13th May 1996 |
| 194.11.230.0/23 | 512 | RIPE NCC | NL | 18th Oct 2019 |
| 194.11.234.0/23 | 512 | RIPE NCC | NL | 18th Oct 2019 |
| 194.110.211.0/24 | 256 | RIPE NCC | NL | 5th Apr 2007 |
| 194.110.214.0/24 | 256 | RIPE NCC | NL | 10th Apr 2007 |
| 194.113.171.0/24 | 256 | RIPE NCC | NL | 2nd Jan 1995 |
| 194.124.168.0/21 | 2k | RIPE NCC | NL | 1st Sept 1993 |
| 194.13.128.0/22 | 1k | RIPE NCC | NL | 27th Dec 1993 |
| 194.13.132.0/24 | 256 | RIPE NCC | NL | 27th Dec 1993 |
| 194.13.192.0/20 | 4.1k | RIPE NCC | NL | 10th Jan 1994 |
| 194.13.208.0/20 | 4.1k | RIPE NCC | NL | 10th Jan 1994 |
| 194.13.240.0/20 | 4.1k | RIPE NCC | NL | 2nd Feb 1994 |
| 194.13.32.0/19 | 8.2k | RIPE NCC | NL | 8th Apr 1994 |
| 194.13.88.0/21 | 2k | RIPE NCC | NL | 24th Feb 1994 |
| 194.13.96.0/21 | 2k | RIPE NCC | NL | 24th Feb 1994 |
| 194.153.155.0/24 | 256 | RIPE NCC | NL | 22nd Nov 2019 |
| 194.153.170.0/24 | 256 | RIPE NCC | NL | 22nd Nov 2019 |
| 194.153.185.0/24 | 256 | RIPE NCC | NL | 22nd Nov 2019 |
| 194.153.78.0/24 | 256 | RIPE NCC | NL | 11th Jan 2005 |
| 194.153.99.0/24 | 256 | RIPE NCC | NL | 22nd Nov 2019 |
| 194.156.144.0/24 | 256 | RIPE NCC | NL | 22nd Nov 2019 |