AS21672
Customized Energy Solutions, Ltd.
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 |
|---|---|---|---|---|---|---|
| 204.77.153.0/24 | 256 |
59.0%
|
Customized Energy Solutions, Ltd. | US | New Jersey | Haddonfield |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS21672 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 |
|---|---|---|
| 204.77.153.0/24 | 6,341 | 2026-07-25 06:06:24 |
Frequently Asked Questions
What is AS21672?
AS21672 is an Autonomous System Number assigned to Customized Energy Solutions, Ltd.. 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 AS21672 announce?
AS21672 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.
Who operates AS21672?
AS21672 is operated by Customized Energy Solutions, Ltd.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS21672 registered in?
AS21672 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
