2a05:1c44::/31 - CTU AS4 2 Czech Telecommunication Office (AS203208)
CIDR
2a05:1c44::/31
IP Version
IPv6
Addresses
158456.3Y
Mask
/31
Country
🇨🇿 Czech Republic
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a05:1c44::/31 | AS203208 CTU_AS4_2 Czech Telecommunication Office | No ROA | RIPE | 2026-10-12 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS203208 | RIPE | SUPER-CTU | 2016-03-11 |
Related Prefixes
More prefixes of AS203208
All prefixes of AS203208 →Geolocation
Country🇨🇿Czech RepublicCZ
Coordinates49.8175, 15.4730 ↗
Abuse Contact
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/2a05:1c44::/31Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2a05:1c44::/31" | jq
External Links