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CIDR
/22 · 1.0K IPs
ASN
State of North Dakota, ITD
Reverse DNS
critn23.wsc.nodak.edu
Last scanned 8 hr ago
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.

86/100
Trusted
How this score is built

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

DNS records

Reverse DNS (PTR)
critn23.wsc.nodak.edu
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
28800 s
Reverse DNS last checked
2026-07-30 12:22 UTC
Forward DNS last checked
2026-07-30 12:22 UTC

Forward DNS records for critn23.wsc.nodak.edu

TypeValuePriorityTTL
A 165.234.176.230 172800s
TXT location=crighton hall resource room
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Network Allocation for 165.234.176.230

CIDR range
165.234.176.0/22
IP range (int)
2,783,621,120 — 2,783,622,143
Prefix length
/22
Organization
State of North Dakota, ITD
ASN
AS19530
ASN name
State of North Dakota, ITD
Location
Williston, North Dakota, United States
Coordinates
48.225700, -103.651100
Accuracy radius
10 km
Postal code
58801
Regional Internet Registry
ARIN
Allocated
1993-09-29
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-09 18:20:47

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

Announced prefix
Origin AS
Announcement samples
18,464
Last seen
2026-07-30 20:26:50

Frequently Asked Questions

Who owns 165.234.176.230?

165.234.176.230 is allocated to State of North Dakota, ITD (AS19530), registered in Williston, United States.

Where is 165.234.176.230 located?

The geolocation for 165.234.176.230 maps to Williston, 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 165.234.176.230 on?

165.234.176.230 belongs to the 165.234.176.0/22 network block announced by AS19530. This range contains 1,024 addresses.

Does 165.234.176.230 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: 2026-07-30 20:47:47 UTC
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