87.81.72.0/21 - BGP Prefix
IPv4RIPEassigned
CIDR
87.81.72.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇵🇱 Poland
City
Warsaw
RIR
RIPE
Status
assigned
Allocated
-
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 87.81.72.0/21 | AS834 | /24 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS834 | Other IRR | MAINT-AS834 | 2026-08-12 |
Transfer History
Registry transfers of 87.81.72.0/21, blocks inside it, or blocks containing it.
- 87.80.0.0/15Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 87.80.0.0/15 | Easynet Global Services Limited | British Sky Broadcasting Limited | Transfer |
Geolocation
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/87.81.72.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/87.81.72.0/21" | jq
External Links