143.124.0.0/15

🇺🇸

IPv4RIPEassignedNo ROA

CIDR

143.124.0.0/15

IP Version

IPv4

Addresses

131K

Mask

/15 (255.254.0.0)

Country

🇺🇸 United States

City

Montgomery

RIR

RIPE

Status

assigned

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not currently announced in BGP. See covering prefix below.

12 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
143.124.128.0/17	AS749DNIC-AS-00749 - United States Department of Defense (DoD)	No ROA	—	6/15/2026
143.125.0.0/17	AS2497IIJ - Internet Initiative Japan Inc.	No ROA	—	6/15/2026
143.124.64.0/18	AS749DNIC-AS-00749 - United States Department of Defense (DoD)	No ROA	—	6/15/2026
143.125.128.0/18	AS2497IIJ - Internet Initiative Japan Inc.	No ROA	—	6/15/2026
143.124.32.0/19	AS749DNIC-AS-00749 - United States Department of Defense (DoD)	No ROA	—	6/15/2026
143.125.224.0/19	AS2514InfoSphere - NTT PC Communications, Inc.	Valid	—	6/15/2026
143.125.192.0/20	AS2497IIJ - Internet Initiative Japan Inc.	No ROA	—	6/15/2026
143.124.24.0/21	AS749DNIC-AS-00749 - United States Department of Defense (DoD)	No ROA	—	6/15/2026
143.125.216.0/21	AS2514InfoSphere - NTT PC Communications, Inc.	Valid	—	6/15/2026
143.124.20.0/22	AS749DNIC-AS-00749 - United States Department of Defense (DoD)	No ROA	—	6/15/2026
143.125.208.0/22	AS2497IIJ - Internet Initiative Japan Inc.	No ROA	—	6/15/2026
143.125.212.0/22	AS2514InfoSphere - NTT PC Communications, Inc.	Valid	—	6/15/2026

Prefix	AS	Country	Status
143.124.0.0/16		🇺🇸US	allocated
143.125.0.0/17	AS2497	🇯🇵JP	allocated
143.125.128.0/18	AS2497	🇯🇵JP	allocated
143.125.224.0/19	AS2514	🇯🇵JP	allocated
143.125.192.0/20	AS2497	🇯🇵JP	allocated
143.125.216.0/21	AS2514	🇯🇵JP	allocated
143.125.208.0/22	AS2497	🇯🇵JP	allocated
143.125.212.0/22	AS2514	🇯🇵JP	allocated

Geolocation

Country🇺🇸United StatesUS

RegionAlabama

CityMontgomery

API

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

curl -s "https://api.ipctl.io/v1/prefix/143.124.0.0/15" | jq

External Links