205.137.79.0/24 - Sanofi (AS36291)
CIDR
205.137.79.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇺🇸 United States
City
New York
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 |
|---|---|---|---|---|
| 205.137.79.0/24 | AS36291 SANOFI - Sanofi | No ROA | ARIN | 2026-10-12 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.137.78.0/23 | AS36291 SANOFI - Sanofi | No ROA | - | 2026-10-12 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS36291 | ARIN | MNT-SUS-23 | 2025-10-29 |
Transfer History
Registry transfers of 205.137.79.0/24, blocks inside it, or blocks containing it.
- 205.137.64.0/20M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 205.137.64.0/20 | M&A |
Origin ASN
AS36291
SANOFI - Sanofi
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/205.137.79.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/205.137.79.0/24" | jq
External Links