194.223.128.0/21 - COLT Technology Services Group Limited (AS8220)
CIDR
194.223.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇸🇬 Singapore
City
Singapore
RIR
RIPE NCC
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 |
|---|---|---|---|---|
| 194.223.128.0/21 | AS8220 COLT COLT Technology Services Group Limited | Valid | RIPE | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 194.223.128.0/21 | AS8220 | /21 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS8220 | RIPE | COLT-UK | 2022-04-28 |
More Specific Prefixes
Transfer History
Registry transfers of 194.223.128.0/21, blocks inside it, or blocks containing it.
- 194.223.128.0/19Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 194.223.128.0/19 | TELSTRA LIMITED | COLT Technology Services Group Limited | Transfer |
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 RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/194.223.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/194.223.128.0/21" | jq
External Links