Autonomous System
AS204383 SPCom s.r.o.
ISPActiveCzechiaRIPE
AS204383 (CZ-SPCOM-AS) is an ISP network operated by SPCom s.r.o. in Czechia, registered with RIPE. It has 19 IPv4 prefixes with 11,264 addresses and 1 IPv6 prefix, which makes it the 9,607th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses11,264in 19 prefixes
IPv6 prefixes1≈ 6.3 × 10²⁹ addresses
Size rank#9,607of 82,200 active ASNs
Details
OrganizationSPCom s.r.o.
AS nameCZ-SPCOM-AS
Websitespcom.cz
Country Czechia (CZ)
Network typeISP
RegistryRIPE
Abuse contactabuse@spcom.cz
Registered2018-03-21
Last updated2024-03-09
IPv4 prefixes
19 prefixes · 11,264 addresses| Network | Addresses | First – last address |
|---|---|---|
| 91.245.8.0/21 | 2,048 | 91.245.8.0 – 91.245.15.255 |
| 77.78.112.0/22 | 1,024 | 77.78.112.0 – 77.78.115.255 |
| 82.208.60.0/22 | 1,024 | 82.208.60.0 – 82.208.63.255 |
| 185.250.172.0/22 | 1,024 | 185.250.172.0 – 185.250.175.255 |
| 77.78.78.0/23 | 512 | 77.78.78.0 – 77.78.79.255 |
| 77.78.116.0/23 | 512 | 77.78.116.0 – 77.78.117.255 |
| 81.0.242.0/23 | 512 | 81.0.242.0 – 81.0.243.255 |
| 82.208.4.0/23 | 512 | 82.208.4.0 – 82.208.5.255 |
| 82.208.32.0/23 | 512 | 82.208.32.0 – 82.208.33.255 |
| 109.123.206.0/23 | 512 | 109.123.206.0 – 109.123.207.255 |
| 109.123.208.0/23 | 512 | 109.123.208.0 – 109.123.209.255 |
| 217.11.232.0/23 | 512 | 217.11.232.0 – 217.11.233.255 |
| 217.11.246.0/23 | 512 | 217.11.246.0 – 217.11.247.255 |
| 77.78.77.0/24 | 256 | 77.78.77.0 – 77.78.77.255 |
| 77.78.94.0/24 | 256 | 77.78.94.0 – 77.78.94.255 |
| 81.0.230.0/24 | 256 | 81.0.230.0 – 81.0.230.255 |
| 82.208.26.0/24 | 256 | 82.208.26.0 – 82.208.26.255 |
| 85.239.253.0/24 | 256 | 85.239.253.0 – 85.239.253.255 |
| 217.11.243.0/24 | 256 | 217.11.243.0 – 217.11.243.255 |
91.245.8.0/21 77.78.112.0/22 82.208.60.0/22 185.250.172.0/22 77.78.78.0/23 77.78.116.0/23 81.0.242.0/23 82.208.4.0/23 82.208.32.0/23 109.123.206.0/23 109.123.208.0/23 217.11.232.0/23 217.11.246.0/23 77.78.77.0/24 77.78.94.0/24 81.0.230.0/24 82.208.26.0/24 85.239.253.0/24 217.11.243.0/24
IPv6 prefixes
1 prefix- 2a0c:fc0::/29
2a0c:fc0::/29
Query AS204383 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS204383&key=YOUR_API_KEY"Any address in its prefixes resolves to AS204383, with or without a key:
curl "https://api.ipapi.is/?q=91.245.8.1"Largest networks in Czechia
AS5610 O2 Czech Republic, a.s.2,327,808 IPv4 addressesAS16019 Vodafone Czech Republic a.s.1,210,368 IPv4 addressesAS13036 T-Mobile Czech Republic a.s.992,256 IPv4 addressesAS2852 CESNET z.s.p.o.858,112 IPv4 addressesAS44546 ALFA TELECOM s.r.o.527,616 IPv4 addressesAS2571 DHL Information Services (Europe) s.r.o438,528 IPv4 addresses