Skip to main content
CIDR
/24 · 256 IPs
ASN
Aptum Technologies
Reverse DNS
No PTR record
Blocklisted
Checking…
Scanning blocklists

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.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network Allocation for 209.15.40.228

CIDR range
209.15.40.0/24
IP range (int)
3,507,431,424 — 3,507,431,679
Prefix length
/24
Organization
Aptum Technologies
ASN
AS13768
ASN name
Aptum Technologies
Location
Herndon, Virginia, United States
Coordinates
38.974400, -77.392500
Accuracy radius
20 km
Postal code
20172
Regional Internet Registry
ARIN
Allocated
1999-03-17
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-10 05:25:21

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
18,560
Last seen
2026-09-10 20:47:55

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 New Allocation CA

See the full history for 209.15.40.0/23.

Frequently Asked Questions

Who owns 209.15.40.228?

209.15.40.228 is allocated to Aptum Technologies (AS13768), registered in Herndon, United States.

Where is 209.15.40.228 located?

The geolocation for 209.15.40.228 maps to Herndon, United States based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 209.15.40.228 on?

209.15.40.228 belongs to the 209.15.40.0/24 network block announced by AS13768. This range contains 256 addresses.

Does 209.15.40.228 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-09-10 19:13:59 UTC
Share