81.172.0.0/19 - BGP Prefix
IPv4RIPE NCCallocated
CIDR
81.172.0.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
πΊπΈ United States
City
Wilmington
RIR
RIPE NCC
Status
allocated
Allocated
2003-01-14
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.172.0.0/19 | AS398781 | /24 | ripe |
Transfer History
Registry transfers of 81.172.0.0/19, blocks inside it, or blocks containing it.
- 81.172.0.0/19Transfer Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 81.172.0.0/19 | VODAFONE ONO, S.A. | steel-axis LLC | 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 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/81.172.0.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.172.0.0/19" | jq
External Links