AS7872
United States Antarctic Program
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 157.132.0.0/16 | 65.5K |
59.8%
|
United States Antarctic Program | US | Colorado | Denver |
| 199.4.250.0/23 | 512 |
0.0%
|
United States Antarctic Program | US | — | — |
| 199.201.248.0/23 | 512 |
0.0%
|
United States Antarctic Program | US | — | — |
| 204.89.132.0/23 | 512 |
0.0%
|
United States Antarctic Program | US | — | — |
| 192.150.224.0/24 | 256 |
2.3%
|
United States Antarctic Program | US | — | — |
| 192.207.225.0/24 | 256 |
0.0%
|
United States Antarctic Program | US | — | — |
| 198.102.91.0/24 | 256 |
0.0%
|
United States Antarctic Program | US | — | — |
| 199.184.189.0/24 | 256 |
0.8%
|
United States Antarctic Program | US | — | — |
| 204.238.237.0/24 | 256 |
0.0%
|
United States Antarctic Program | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS7872 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 192.207.225.0/24 | 8,295 | 2026-07-18 10:52:00 |
| 157.132.0.0/16 | 3,004 | 2026-07-18 12:01:25 |
| 199.4.250.0/23 | 2,987 | 2026-07-18 12:01:25 |
| 198.102.91.0/24 | 2,982 | 2026-07-18 12:01:25 |
| 192.150.224.0/24 | 2,977 | 2026-07-18 12:01:25 |
| 199.184.189.0/24 | 2,971 | 2026-07-18 12:01:25 |
| 204.89.132.0/23 | 2,967 | 2026-07-18 12:01:25 |
| 204.238.237.0/24 | 2,963 | 2026-07-18 12:01:25 |
| 199.201.248.0/23 | 2,948 | 2026-07-18 12:01:25 |
Frequently Asked Questions
What is AS7872?
AS7872 is an Autonomous System Number assigned to United States Antarctic Program. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS7872 announce?
AS7872 announces 68.4K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in United States.
Who operates AS7872?
AS7872 is operated by United States Antarctic Program. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS7872 registered in?
AS7872 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
