178.21.0.0/16
Where this subnet is, who announces it, and what our databases hold in it. Below, every /24 inside it; open one for its addresses.
Where it is
Addresses IP Geolocation places in each country, as a share of those it places.
- The Netherlands6,144 · 9.38%
- Russia6,144 · 9.38%
- United Kingdom5,376 · 8.20%
- Denmark4,097 · 6.25%
- Germany4,096 · 6.25%
- Spain4,096 · 6.25%
- Iran4,096 · 6.25%
- Italy4,096 · 6.25%
- Sweden4,095 · 6.25%
- Poland4,080 · 6.23%
Who announces it
Each /24 counted for the AS announcing most of it, as a share of the routable addresses.
- AS20483EUROCOM Ltd.2,048 · 3.13%
- AS20574Knowit Connectivity AB2,048 · 3.13%
- AS29028DirectVPS B.V.2,048 · 3.13%
- AS34659Keyyo SA2,048 · 3.13%
- AS35454Asitur Asistencia, S.A.2,048 · 3.13%
- AS39783Webhuset AS2,048 · 3.13%
- AS39806Admax AB2,048 · 3.13%
- AS41549Elektrizitaets- und Wasserwerk der Stadt Buchs SG2,048 · 3.13%
- AS44473S.T. S.r.l.2,048 · 3.13%
- AS44671Skyline Networks & Consultancy Ltd2,048 · 3.13%
What the databases see
Addresses each address-keyed database holds in this block, as a share of its routable addresses. Counts overlap: one address can be in several.
- VPN IP7631.16%
- 0.14%
- 0.00%
- None here
- None here
- 0.01%
- None here
- Hosting IP12,54319.14%
- None here
- Carrier IP3,5845.47%
- None here
- Anycast IP2560.39%
- SSH IP1,0301.57%
- SMTP IP3990.61%
- 0.67%
- Web IP1,8292.79%
- 0.09%
Announced prefixes
Every prefix inside this block that BGP Route saw announced, with its origin and RPKI status.
| PREFIX | ORIGIN | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|---|
| 178.21.0.0/21 | AS196968Ilm-Provider UG (haftungsbeschraenkt) | Germany | Valid | 17 | 2026-10-02 |
| 178.21.8.0/24 | AS197695"Domain names registrar REG.RU", Ltd | Russia | Valid | 17 | 2026-10-02 |
| 178.21.9.0/24 | AS49352"Domain names registrar REG.RU", Ltd | Russia | Valid | 18 | 2026-10-02 |
| 178.21.10.0/24 | AS197695"Domain names registrar REG.RU", Ltd | Russia | Valid | 17 | 2026-10-02 |
| 178.21.11.0/24 | AS197695"Domain names registrar REG.RU", Ltd | Russia | Valid | 17 | 2026-10-02 |
| 178.21.12.0/22 | AS49352"Domain names registrar REG.RU", Ltd | Russia | Valid | 18 | 2026-10-02 |
| 178.21.12.0/24 | AS49352"Domain names registrar REG.RU", Ltd | Russia | Valid | 18 | 2026-10-02 |
| 178.21.13.0/24 | AS49352"Domain names registrar REG.RU", Ltd | Russia | Valid | 18 | 2026-10-02 |
| 178.21.14.0/23 | AS49352"Domain names registrar REG.RU", Ltd | Russia | Valid | 18 | 2026-10-02 |
| 178.21.16.0/21 | AS50673Serverius Holding B.V. | The Netherlands | Valid | 17 | 2026-10-02 |
| 178.21.22.0/24 | AS50673Serverius Holding B.V. | The Netherlands | Valid | 17 | 2026-10-02 |
| 178.21.24.0/21 | AS20483EUROCOM Ltd. | Russia | Valid | 17 | 2026-10-02 |
| 178.21.32.0/24 | AS203258UCNS Limited | United Kingdom | Valid | 17 | 2026-10-02 |
| 178.21.33.0/24 | AS203258UCNS Limited | United Kingdom | Valid | 17 | 2026-10-02 |
| 178.21.34.0/24 | AS203258UCNS Limited | United Kingdom | Valid | 17 | 2026-10-02 |
| 178.21.38.0/24 | AS203258UCNS Limited | United Kingdom | Valid | 17 | 2026-10-02 |
| 178.21.39.0/24 | AS203258UCNS Limited | United Kingdom | Valid | 17 | 2026-10-02 |
| 178.21.40.0/23 | AS52070Parsian Bank (Public Joint-Stock) | Iran | Valid | 17 | 2026-10-02 |
| 178.21.40.0/24 | AS52070Parsian Bank (Public Joint-Stock) | Iran | Valid | 17 | 2026-10-02 |
| 178.21.41.0/24 | AS52070Parsian Bank (Public Joint-Stock) | Iran | Valid | 18 | 2026-10-02 |
| 178.21.42.0/24 | AS52070Parsian Bank (Public Joint-Stock) | Iran | Not found | 17 | 2026-10-02 |
| 178.21.45.0/24 | AS52155Caspian Applied Systems Services Supplying Company (Private Joint-Stock) | Iran | Valid | 17 | 2026-10-02 |
| 178.21.46.0/24 | AS52155Caspian Applied Systems Services Supplying Company (Private Joint-Stock) | Iran | Valid | 17 | 2026-10-02 |
| 178.21.47.0/24 | AS52155Caspian Applied Systems Services Supplying Company (Private Joint-Stock) | Iran | Valid | 1 | 2026-10-29 |
| 178.21.54.0/23 | AS44651Kalasznet Kabel TV Kft | Hungary | Valid | 17 | 2026-10-02 |
| 178.21.56.0/21 | AS35454Asitur Asistencia, S.A. | Spain | Valid | 17 | 2026-10-02 |
| 178.21.56.0/24 | AS35454Asitur Asistencia, S.A. | Spain | Valid | 1 | 2026-10-02 |
| 178.21.57.0/24 | AS35454Asitur Asistencia, S.A. | Spain | Valid | 17 | 2026-10-02 |
| 178.21.58.0/24 | AS35454Asitur Asistencia, S.A. | Spain | Valid | 1 | 2026-10-02 |
| 178.21.59.0/24 | AS35454Asitur Asistencia, S.A. | Spain | Valid | 17 | 2026-10-02 |
| 178.21.60.0/24 | AS35454Asitur Asistencia, S.A. | Spain | Valid | 1 | 2026-10-02 |
| 178.21.61.0/24 | AS35454Asitur Asistencia, S.A. | Spain | Valid | 17 | 2026-10-02 |
| 178.21.62.0/24 | AS35454Asitur Asistencia, S.A. | Spain | Valid | 1 | 2026-10-02 |
| 178.21.63.0/24 | AS35454Asitur Asistencia, S.A. | Spain | Valid | 17 | 2026-10-02 |
| 178.21.64.0/21 | AS50713LLC Forward Telecom LTD | Russia | Not found | 18 | 2026-10-02 |
| 178.21.72.0/21 | AS39806Admax AB | Sweden | Not found | 17 | 2026-10-02 |
| 178.21.72.0/24 | AS39806Admax AB | Sweden | Not found | 17 | 2026-10-02 |
| 178.21.73.0/24 | AS39806Admax AB | Sweden | Not found | 17 | 2026-10-02 |
| 178.21.74.0/24 | AS39806Admax AB | Sweden | Not found | 17 | 2026-10-02 |
| 178.21.75.0/24 | AS39806Admax AB | Sweden | Not found | 17 | 2026-10-02 |
| 178.21.79.0/24 | AS39806Admax AB | Sweden | Not found | 17 | 2026-10-02 |
| 178.21.80.0/21 | AS20574Knowit Connectivity AB | Sweden | Valid | 17 | 2026-10-02 |
| 178.21.88.0/21 | AS39642Sinal A/S | Denmark | Valid | 17 | 2026-10-02 |
| 178.21.90.0/23 | AS50490Sinal A/S | Denmark | Valid | 17 | 2026-10-02 |
| 178.21.92.0/22 | AS50490Sinal A/S | Denmark | Valid | 17 | 2026-10-02 |
| 178.21.96.0/23 | AS198471Opnet Srl | Italy | Not found | 1 | 2026-10-29 |
| 178.21.96.0/24 | AS198471Opnet Srl | Italy | Not found | 4 | 2026-10-02 |
| 178.21.98.0/23 | AS198471Opnet Srl | Italy | Not found | 1 | 2026-10-29 |
| 178.21.98.0/24 | AS198471Opnet Srl | Italy | Not found | 4 | 2026-10-02 |
| 178.21.99.0/24 | AS198471Opnet Srl | Italy | Not found | 4 | 2026-10-02 |
| 178.21.104.0/24 | AS50715Abertis Infraestructuras, S.A. | Spain | Not found | 17 | 2026-10-02 |
| 178.21.105.0/24 | AS50715Abertis Infraestructuras, S.A. | Spain | Not found | 17 | 2026-10-02 |
| 178.21.106.0/24 | AS50715Abertis Infraestructuras, S.A. | Spain | Not found | 17 | 2026-10-02 |
| 178.21.107.0/24 | AS50715Abertis Infraestructuras, S.A. | Spain | Not found | 17 | 2026-10-02 |
| 178.21.108.0/24 | AS50715Abertis Infraestructuras, S.A. | Spain | Not found | 17 | 2026-10-02 |
| 178.21.109.0/24 | AS197267Retevision I, S.A. | Spain | Not found | 17 | 2026-10-02 |
| 178.21.110.0/24 | AS197267Retevision I, S.A. | Spain | Not found | 17 | 2026-10-02 |
| 178.21.111.0/24 | AS206826ABERTIS AUTOPISTAS ESPANA, S.A | Spain | Not found | 17 | 2026-10-02 |
| 178.21.112.0/21 | AS29028DirectVPS B.V. | The Netherlands | Valid | 17 | 2026-10-02 |
| 178.21.120.0/21 | AS49909Direct One SA | Romania | Valid | 17 | 2026-10-02 |
| 178.21.128.0/21 | AS39783Webhuset AS | Norway | Valid | 17 | 2026-10-02 |
| 178.21.136.0/21 | AS197480SerczerNET Malgorzata Nienaltowska | Poland | Valid | 17 | 2026-10-02 |
| 178.21.144.0/24 | AS203560regfish GmbH | Germany | Valid | 17 | 2026-10-02 |
| 178.21.145.0/24 | AS203560regfish GmbH | Germany | Valid | 17 | 2026-10-02 |
| 178.21.146.0/24 | AS203560regfish GmbH | Germany | Valid | 17 | 2026-10-02 |
| 178.21.148.0/24 | AS16509Amazon.com, Inc. | Germany | Valid | 17 | 2026-10-02 |
| 178.21.152.0/22 | AS42656Allegro sp. z o.o. | Poland | Valid | 17 | 2026-10-02 |
| 178.21.153.0/24 | AS42656Allegro sp. z o.o. | Poland | Valid | 17 | 2026-10-02 |
| 178.21.156.0/23 | AS42656Allegro sp. z o.o. | Poland | Valid | 17 | 2026-10-02 |
| 178.21.158.0/24 | AS396982Google LLC | Poland | Valid | 17 | 2026-10-02 |
| 178.21.159.0/24 | AS396982Google LLC | Poland | Valid | 17 | 2026-10-02 |
| 178.21.162.0/24 | AS21419PISHTAZE E JADID INFORMATION COMPANY (Ltd.) | Iran | Valid | 17 | 2026-10-02 |
| 178.21.163.0/24 | AS21419PISHTAZE E JADID INFORMATION COMPANY (Ltd.) | Iran | Valid | 17 | 2026-10-02 |
| 178.21.164.0/24 | AS21419PISHTAZE E JADID INFORMATION COMPANY (Ltd.) | Iran | Valid | 17 | 2026-10-02 |
| 178.21.168.0/21 | AS199081Lancom Ltd. | Greece | Valid | 17 | 2026-10-02 |
| 178.21.168.0/24 | AS199081Lancom Ltd. | Greece | Valid | 17 | 2026-10-02 |
| 178.21.169.0/24 | AS199081Lancom Ltd. | Greece | Valid | 17 | 2026-10-02 |
| 178.21.170.0/24 | AS199081Lancom Ltd. | Greece | Valid | 17 | 2026-10-02 |
| 178.21.171.0/24 | AS199081Lancom Ltd. | Greece | Valid | 17 | 2026-10-02 |
| 178.21.172.0/24 | AS199081Lancom Ltd. | Greece | Valid | 17 | 2026-10-02 |
| 178.21.173.0/24 | AS199081Lancom Ltd. | Greece | Valid | 17 | 2026-10-02 |
| 178.21.174.0/24 | AS199081Lancom Ltd. | Greece | Valid | 17 | 2026-10-02 |
| 178.21.175.0/24 | AS199081Lancom Ltd. | Greece | Valid | 17 | 2026-10-02 |
| 178.21.176.0/21 | AS34659Keyyo SA | France | Valid | 17 | 2026-10-02 |
| 178.21.184.0/21 | AS202895TFnet s.r.o. | Czechia | Not found | 17 | 2026-10-02 |
| 178.21.185.0/24 | AS202895TFnet s.r.o. | Czechia | Not found | 17 | 2026-10-02 |
| 178.21.186.0/24 | AS202895TFnet s.r.o. | Czechia | Not found | 17 | 2026-10-02 |
| 178.21.187.0/24 | AS202895TFnet s.r.o. | Czechia | Not found | 17 | 2026-10-02 |
| 178.21.189.0/24 | AS202895TFnet s.r.o. | Czechia | Not found | 17 | 2026-10-02 |
| 178.21.192.0/21 | AS49283Setera Oy | Finland | Valid | 17 | 2026-10-02 |
| 178.21.200.0/21 | AS44473S.T. S.r.l. | Italy | Not found | 17 | 2026-10-02 |
| 178.21.209.0/24 | AS43635VeriFone Systems France SAS | United Kingdom | Not found | 17 | 2026-10-02 |
| 178.21.210.0/24 | AS50845VeriFone Systems France SAS | United Kingdom | Valid | 17 | 2026-10-02 |
| 178.21.211.0/24 | AS50845VeriFone Systems France SAS | France | Valid | 17 | 2026-10-02 |
| 178.21.212.0/24 | AS50845VeriFone Systems France SAS | United Kingdom | Valid | 17 | 2026-10-02 |
| 178.21.213.0/24 | AS50845VeriFone Systems France SAS | France | Valid | 17 | 2026-10-02 |
| 178.21.216.0/22 | AS38915Solido Gemeenschappelijk Regeling | The Netherlands | Valid | 17 | 2026-10-02 |
| 178.21.220.0/23 | AS38915Solido Gemeenschappelijk Regeling | The Netherlands | Valid | 17 | 2026-10-02 |
| 178.21.224.0/21 | AS41549Elektrizitaets- und Wasserwerk der Stadt Buchs SG | Switzerland | Valid | 17 | 2026-10-02 |
| 178.21.232.0/21 | AS44671Skyline Networks & Consultancy Ltd | United Kingdom | Valid | 17 | 2026-10-02 |
Every /24 inside it
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