AS21915
Merced County Office of Education
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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 206.78.128.0/19 | 8.2K |
56.5%
|
Merced County Office of Education | US | California | Merced |
| 206.78.224.0/21 | 2.0K |
56.2%
|
Merced County Office of Education | US | California | Merced |
| 206.78.232.0/22 | 1.0K |
51.2%
|
Merced County Office of Education | US | California | Merced |
| 137.164.222.0/23 | 512 |
0.0%
|
Merced County Office of Education | US | — | — |
| 137.164.224.0/23 | 512 |
0.0%
|
Merced County Office of Education | US | California | Dos Palos |
| 137.164.221.0/24 | 256 |
0.0%
|
Merced County Office of Education | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS21915 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 |
|---|---|---|
| 206.78.128.0/19 | 14,520 | 2026-09-15 18:58:45 |
| 206.78.232.0/22 | 14,468 | 2026-09-15 18:58:45 |
| 206.78.224.0/21 | 13,279 | 2026-09-15 18:58:45 |
| 137.164.223.0/24 | 1,414 | 2026-09-10 11:28:05 |
| 137.164.222.0/24 | 1,413 | 2026-09-10 11:28:05 |
| 137.164.221.0/24 | 1,411 | 2026-09-10 11:28:05 |
| 137.164.225.0/24 | 1,411 | 2026-09-10 11:28:05 |
| 137.164.224.0/24 | 1,407 | 2026-09-10 11:28:05 |
Frequently Asked Questions
What is AS21915?
AS21915 is an Autonomous System Number assigned to Merced County Office of Education. 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 AS21915 announce?
AS21915 announces 12.5K IPv4 addresses distributed across 6 routed CIDR prefixes. The network is registered in United States.
Who operates AS21915?
AS21915 is operated by Merced County Office of Education. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS21915 registered in?
AS21915 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
