HomePrefix Lookup204.137.16.0/21

204.137.16.0/21

🇺🇸
IPv4ARINallocatedAS13458
CIDR
204.137.16.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
New York
RIR
ARIN
Status
allocated
Allocated
2/17/2026
Origin ASN
AS13458
Geolocation
Country🇺🇸United StatesUS
RegionNew York
CityNew York
Coordinates40.7636, -73.9748 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/204.137.16.0/21

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/204.137.16.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP