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CIDR
/19 · 8.2K IPs
ASN
USDA
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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network Allocation for 199.133.224.142

CIDR range
199.133.224.0/19
IP range (int)
3,347,439,616 — 3,347,447,807
Prefix length
/19
Organization
USDA
ASN
AS4155
ASN name
USDA
Location
San Francisco, California, United States
Coordinates
34.054400, -118.244000
Accuracy radius
500 km
Postal code
94133
Regional Internet Registry
ARIN
Allocated
1994-02-08
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-06-14 12:26:23

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

Announced prefix
Origin AS
Announcement samples
5,435
Last seen
2026-07-18 19:45:52

Frequently Asked Questions

Who owns 199.133.224.142?

199.133.224.142 is allocated to USDA (AS4155), registered in San Francisco, United States.

Where is 199.133.224.142 located?

The geolocation for 199.133.224.142 maps to San Francisco, 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 199.133.224.142 on?

199.133.224.142 belongs to the 199.133.224.0/19 network block announced by AS4155. This range contains 8,192 addresses.

Does 199.133.224.142 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: 2026-07-18 14:55:04 UTC
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