209.99.50.0/24 - ALHAMBRA Systems (AS15450)
CIDR
209.99.50.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
πΊπΈ United States
City
Chicago
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns β
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.99.50.0/24 | AS15450 ALHAMBRA Alhambra Systems SA | No ROA | Other IRR | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.99.0.0/17 | AS23005 SWITCH-LTD - SWITCH, LTD | No ROA | - | 2026-10-11 |
Transfer History
Registry transfers of 209.99.50.0/24, blocks inside it, or blocks containing it.
- 209.99.0.0/17M&A Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 209.99.0.0/17 | YHC Corporation | SWITCH, LTD | M&A |
Origin ASN
AS15450
ALHAMBRA Alhambra Systems SA
Related Prefixes
Geolocation
Abuse Contact
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/209.99.50.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.99.50.0/24" | jq
External Links