United States Antarctic Program

Data as of 2026-09-06
BGP inherited
This organisation
Netblocks14 · 69,632 IPv4 addresses
IPv6 1 prefix (largest 2620:11d:3000::/44)
Also registered under this name 15,323 netblocks across 33 separate records
Record ID237143692
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 6 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
157.132.0.0/16 United States Antarctic Program ARIN DIRECT ALLOCATION ● high
192.124.160.0/24 United States Antarctic Program ARIN DIRECT ALLOCATION ● high
192.150.224.0/24 United States Antarctic Program ARIN DIRECT ALLOCATION ● high
192.207.225.0/24 United States Antarctic Program ARIN DIRECT ALLOCATION ● high
198.102.91.0/24 United States Antarctic Program ARIN DIRECT ALLOCATION ● high
199.4.250.0/23 United States Antarctic Program BGP ANNOUNCED ● high
199.184.189.0/24 United States Antarctic Program ARIN DIRECT ALLOCATION ● high
199.190.181.0 – 199.190.182.255 United States Antarctic Program ARIN DIRECT ALLOCATION ● high
199.201.248.0/23 United States Antarctic Program BGP ANNOUNCED ● high
204.89.132.0/23 United States Antarctic Program BGP ANNOUNCED ● high
204.145.215.0/24 United States Antarctic Program ARIN DIRECT ALLOCATION ● high
204.238.237.0/24 United States Antarctic Program ARIN DIRECT ALLOCATION ● high
205.159.161.0/24 United States Antarctic Program ARIN DIRECT ALLOCATION ● high
2620:11d:3000::/44 United States Antarctic Program ARIN DIRECT ALLOCATION ● high

IPv6 ranges (1)

CIDR
2620:11d:3000::/44

Footprint over time

11 weekly snapshots · JSON
24 +14 netblocks since 2026-07-05
2026-07-05 peak 24 2026-09-06

Domains hosted in this network

what's this?
usap.gov

NIC Handles

AS7872 NETWO708-ARIN NO146-ARIN NO146-ARIN NO146-ARIN USAP