HomePrefix Lookup140.221.0.0/18

140.221.0.0/18

🇺🇸
IPv4ARINannouncedAS683ARGONNE-AS - Argonne National Laboratory RPKI Valid
CIDR
140.221.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
Lemont
RIR
ARIN
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
140.221.0.0/18AS683ARGONNE-AS - Argonne National Laboratory Valid
ARINRADB
5/31/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
140.221.0.0/18AS683/18arin

IRR Route Objects

2
OriginRegistryMaintainerModified
AS683ARINMNT-ANL-13-Z2/5/2025
AS683RADBMAINT-AS6833/4/2024
Origin ASN
AS683
ARGONNE-AS - Argonne National Laboratory
Geolocation
Country🇺🇸United StatesUS
RegionIllinois
CityLemont
Coordinates41.7183, -87.9789 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/140.221.0.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/140.221.0.0/18" | jq
External Links
RIPEstat Hurricane Electric BGP