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CIDR
/17 · 32.8K IPs
ASN
Maryland Administrative Office of the Courts (AOC)
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 170.99.172.9

CIDR range
170.99.128.0/17
IP range (int)
2,858,647,552 — 2,858,680,319
Prefix length
/17
Organization
Maryland Administrative Office of the Courts AOC
ASN
AS398130
ASN name
Maryland Administrative Office of the Courts (AOC)
Location
Lusby, Maryland, United States
Coordinates
38.356600, -76.445300
Accuracy radius
100 km
Postal code
20657
Regional Internet Registry
ARIN
Allocated
1994-03-24
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-21 04:09:10

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

Announced prefix
Origin AS
Announcement samples
4,559
Last seen
2026-07-25 06:06:12

Frequently Asked Questions

Who owns 170.99.172.9?

170.99.172.9 is allocated to Maryland Administrative Office of the Courts AOC (AS398130), registered in Lusby, United States.

Where is 170.99.172.9 located?

The geolocation for 170.99.172.9 maps to Lusby, 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 170.99.172.9 on?

170.99.172.9 belongs to the 170.99.128.0/17 network block announced by AS398130. This range contains 32,768 addresses.

Does 170.99.172.9 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: 2026-07-25 07:21:44 UTC
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