142.228.136.0/21 - BGP Prefix
IPv4RIPE NCCassigned RPKI Valid
CIDR
142.228.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPE NCC
Status
assigned
Allocated
1992-12-30
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 142.228.136.0/22 | AS9009 M247 M247 Europe SRL | Valid | - | 2026-10-12 |
| 142.228.140.0/22 | AS9009 M247 M247 Europe SRL | Valid | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 142.228.136.0/22 | AS9009 | 🇬🇧GB | assigned |
| 142.228.140.0/22 | AS9009 | 🇮🇹IT | assigned |
Transfer History
Registry transfers of 142.228.136.0/21, blocks inside it, or blocks containing it.
- 142.228.136.0/21inter-RIRTransfer ·
Geolocation
Country🇬🇧United KingdomGB
CityLondon
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/142.228.136.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/142.228.136.0/21" | jq
External Links