AS393383
Spring Independent School District
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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 66.60.236.0/24 | 256 |
91.4%
|
Spring Independent School District | US | — | — |
| 216.227.248.0/24 | 256 |
71.5%
|
Spring Independent School District | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS393383 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 |
|---|---|---|
| 66.60.236.0/24 | 17,013 | 2026-07-24 15:23:18 |
| 216.227.248.0/24 | 7,806 | 2026-07-24 15:25:35 |
Frequently Asked Questions
What is AS393383?
AS393383 is an Autonomous System Number assigned to Spring Independent School District. 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 AS393383 announce?
AS393383 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.
Who operates AS393383?
AS393383 is operated by Spring Independent School District. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS393383 registered in?
AS393383 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
