204.99.0.0/17 - Omnicare (AS18862)
CIDR
204.99.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇺🇸 United States
City
Scottsdale (Central Scottsdale)
RIR
ARIN
Status
allocated
Allocated
1994-07-12
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.99.0.0/17 | AS18862 NCS-HEALTHCARE - Omnicare, Inc. | No ROA | Other IRR | 2026-10-11 |
More-Specific Announcements
6 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.99.13.0/24 | AS18862 NCS-HEALTHCARE - Omnicare, Inc. | No ROA | - | 2026-10-11 |
| 204.99.18.0/24 | AS18862 NCS-HEALTHCARE - Omnicare, Inc. | No ROA | - | 2026-10-11 |
| 204.99.19.0/24 | AS18862 NCS-HEALTHCARE - Omnicare, Inc. | No ROA | - | 2026-10-11 |
| 204.99.22.0/23 | AS18862 NCS-HEALTHCARE - Omnicare, Inc. | No ROA | - | 2026-10-11 |
| 204.99.50.0/24 | AS18862 NCS-HEALTHCARE - Omnicare, Inc. | No ROA | - | 2026-10-11 |
| 204.99.118.0/24 | AS18862 NCS-HEALTHCARE - Omnicare, Inc. | No ROA | - | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS18862 | Other IRR | MAINT-AS22773 | 2024-10-22 |
Origin ASN
AS18862
NCS-HEALTHCARE - Omnicare, Inc.
Related Prefixes
Geolocation
Country🇺🇸United StatesUS
RegionArizona
CityScottsdale (Central Scottsdale)
Coordinates33.5805, -111.8770 ↗
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/204.99.0.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.99.0.0/17" | jq
External Links