AS23489
Marin 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 |
|---|---|---|---|---|---|---|
| 137.164.118.0/23 | 512 |
0.0%
|
Marin County Office of Education | US | California | Rohnert Park |
| 137.164.120.0/23 | 512 |
0.0%
|
Marin County Office of Education | US | California | San Anselmo |
| 199.88.94.0/23 | 512 |
1.8%
|
Marin County Office of Education | US | California | Novato |
| 199.88.96.0/23 | 512 |
0.6%
|
Marin County Office of Education | US | — | — |
| 199.88.124.0/23 | 512 |
1.0%
|
Marin County Office of Education | US | — | — |
| 137.164.143.0/24 | 256 |
0.0%
|
Marin County Office of Education | US | California | San Rafael |
| 199.88.99.0/24 | 256 |
0.0%
|
Marin County Office of Education | US | — | — |
| 199.88.100.0/24 | 256 |
0.0%
|
Marin County Office of Education | US | — | — |
| 199.88.112.0/24 | 256 |
7.0%
|
Marin County Office of Education | US | — | — |
| 199.88.119.0/24 | 256 |
0.0%
|
Marin County Office of Education | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS23489 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 |
|---|---|---|
| 199.88.119.0/24 | 4,604 | 2026-07-23 22:25:15 |
| 199.88.99.0/24 | 4,595 | 2026-07-23 22:25:15 |
| 199.88.95.0/24 | 4,590 | 2026-07-23 22:25:15 |
| 199.88.100.0/24 | 4,585 | 2026-07-23 22:25:15 |
| 199.88.125.0/24 | 4,585 | 2026-07-23 22:25:15 |
| 199.88.97.0/24 | 4,582 | 2026-07-23 22:25:15 |
| 199.88.124.0/24 | 4,582 | 2026-07-23 22:25:15 |
| 199.88.94.0/24 | 4,581 | 2026-07-23 22:25:15 |
| 199.88.96.0/24 | 4,560 | 2026-07-23 22:25:15 |
| 199.88.112.0/24 | 4,560 | 2026-07-23 22:25:15 |
| 137.164.119.0/24 | 938 | 2026-07-23 09:35:44 |
| 137.164.143.0/24 | 938 | 2026-07-23 09:35:44 |
| 137.164.121.0/24 | 937 | 2026-07-23 09:35:44 |
| 137.164.118.0/24 | 934 | 2026-07-23 09:35:44 |
| 137.164.120.0/24 | 934 | 2026-07-23 09:35:44 |
Frequently Asked Questions
What is AS23489?
AS23489 is an Autonomous System Number assigned to Marin 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 AS23489 announce?
AS23489 announces 3.8K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in United States.
Who operates AS23489?
AS23489 is operated by Marin 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 AS23489 registered in?
AS23489 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
