HomePrefix Lookup138.108.16.0/21

138.108.16.0/21

🇺🇸
IPv4ARINannouncedAS396290NCL-203-396290 - Nielsen Consumer LLCNo ROA
CIDR
138.108.16.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Chicago (Loop)
RIR
ARIN
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
138.108.16.0/21AS396290NCL-203-396290 - Nielsen Consumer LLCNo ROA
RADB
6/1/2026

IRR Route Objects

2
OriginRegistryMaintainerModified
AS16477RADBMAINT-AS164774/3/2024
AS396290RADBMAINT-AS164774/3/2024
Origin ASN
AS396290
NCL-203-396290 - Nielsen Consumer LLC
Geolocation
Country🇺🇸United StatesUS
RegionIllinois
CityChicago (Loop)
Coordinates41.8782, -87.6342 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/138.108.16.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/138.108.16.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP