161.33.248.0/22 - Oracle Corporation (AS54253)
CIDR
161.33.248.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Ibaraki (Saitoyamabuki)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.33.248.0/22 | AS54253 ORCL-CHICAGO-PP - Oracle Corporation | Valid | Other IRR | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 161.33.248.0/22 | AS54253 | /24 | arin |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS54253 | Other IRR | MAINT-ORACLE | 2025-07-16 |
Transfer History
Registry transfers of 161.33.248.0/22, blocks inside it, or blocks containing it.
- 161.33.0.0/16Transfer ·
- 161.33.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 161.33.0.0/16 | Transfer | |||
| 161.33.0.0/16 | M&A |
Related Prefixes
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 ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/161.33.248.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/161.33.248.0/22" | jq
External Links