HomePrefix Lookup131.81.0.0/16

131.81.0.0/16

🇺🇸
IPv4ARINallocatedNo ROA
CIDR
131.81.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Columbus
RIR
ARIN
Status
allocated
Allocated
10/25/1988

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

51 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
131.80.0.0/14AS721DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.44.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.20.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.24.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.28.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.32.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.36.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.40.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.48.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.52.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.56.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.60.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.64.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.92.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.104.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.108.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.112.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.116.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.120.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.124.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.128.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.132.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.136.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.140.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.144.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.148.0/22AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.164.0/23AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.2.0/23AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.162.0/23AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.90.0/23AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.202.0/23AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.206.0/23AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.228.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.230.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.232.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.234.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.249.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.224.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.253.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.170.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.89.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.191.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.99.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.103.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.199.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.251.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.5.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.9.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.10.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.17.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
131.81.226.0/24AS27046DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)No ROA—6/13/2026
Geolocation
Country🇺🇸United StatesUS
RegionOhio
CityColumbus
Coordinates39.9819, -82.9048 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/131.81.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/131.81.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP