194.223.144.0/20 - COLT Technology Services Group Limited (AS8220)
CIDR
194.223.144.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
City
Tokyo
RIR
APNIC
Status
allocated
Allocated
1995-12-21
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 194.223.144.0/20 | AS8220 COLT COLT Technology Services Group Limited | Valid | APNIC | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 194.223.144.0/20 | AS8220 | /20 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS8220 | APNIC | MAINT-CTSCL-JP | 2022-05-25 |
More Specific Prefixes
Transfer History
Registry transfers of 194.223.144.0/20, blocks inside it, or blocks containing it.
- 194.223.144.0/20inter-RIRTransfer ·
- 194.223.128.0/19Transfer ·
Related Prefixes
Geolocation
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 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/194.223.144.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/194.223.144.0/20" | jq
External Links