204.12.188.0/22 - Nebius (AS53428)
CIDR
204.12.188.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Kansas City (Downtown Kansas City)
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 |
|---|---|---|---|---|
| 204.12.188.0/22 | AS53428 KCS-US-NEBIUS - Nebius Inc. | Valid | ARIN | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 204.12.188.0/22 | AS53428 | /24 | arin |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS53428 | ARIN | MNT-NB-374 | 2026-06-24 |
Transfer History
Registry transfers of 204.12.188.0/22, blocks inside it, or blocks containing it.
- 204.12.160.0/19Transfer ·
- 204.12.160.0/19M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 204.12.160.0/19 | Transfer | |||
| 204.12.160.0/19 | M&A |
Origin ASN
AS53428
KCS-US-NEBIUS - Nebius Inc.
Related Prefixes
Geolocation
Country🇺🇸United StatesUS
RegionMissouri
CityKansas City (Downtown Kansas City)
Coordinates39.1008, -94.5811 ↗
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/204.12.188.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.12.188.0/22" | jq
External Links