209.237.224.0/19
🇺🇸CIDR
209.237.224.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇺🇸 United States
City
San Francisco (South of Market)
RIR
ARIN
Status
allocated
Allocated
3/27/2002
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.237.224.0/19 | AS23342UNITEDLAYER - Unitedlayer, Inc. | No ROA | — | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.237.236.0/24 | AS23342UNITEDLAYER - Unitedlayer, Inc. | No ROA | — | 5/31/2026 |
| 209.237.239.0/24 | AS23342UNITEDLAYER - Unitedlayer, Inc. | No ROA | — | 5/31/2026 |
| 209.237.251.0/24 | AS23342UNITEDLAYER - Unitedlayer, Inc. | No ROA | — | 5/31/2026 |
Origin ASN
AS23342
UNITEDLAYER - Unitedlayer, Inc.
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Francisco (South of Market)
Coordinates37.7803, -122.4090 ↗
API
Open https://api.ipctl.io/v1/prefix/209.237.224.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.237.224.0/19" | jq
External Links