AS22851
Northern State University
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
- Academic allocation +6
- Trust score 71 / 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 |
|---|---|---|---|---|---|---|
| 206.176.20.0/23 | 512 |
34.0%
|
Northern State University | US | — | — |
| 198.180.229.0/24 | 256 |
2.7%
|
Northern State University | US | — | — |
| 206.176.54.0/24 | 256 |
2.0%
|
Northern State University | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS22851 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 |
|---|---|---|
| 206.176.21.0/24 | 6,236 | 2026-07-23 15:45:18 |
| 206.176.20.0/24 | 6,236 | 2026-07-23 15:45:18 |
| 206.176.54.0/24 | 6,228 | 2026-07-23 15:45:18 |
| 198.180.229.0/24 | 6,218 | 2026-07-23 15:45:18 |
Frequently Asked Questions
What is AS22851?
AS22851 is an Autonomous System Number assigned to Northern State University. 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 AS22851 announce?
AS22851 announces 1.0K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.
Who operates AS22851?
AS22851 is operated by Northern State University. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS22851 registered in?
AS22851 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.