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CIDR
/21 · 2.0K IPs
ASN
New York City Board of Education
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 165.155.40.144

CIDR range
165.155.40.0/21
IP range (int)
2,778,408,960 — 2,778,411,007
Prefix length
/21
Organization
New York City Board of Education
ASN
AS21704
ASN name
New York City Board of Education
Location
Staten Island, New York, United States
Coordinates
40.638100, -74.118800
Accuracy radius
10 km
Postal code
10310
Regional Internet Registry
ARIN
Allocated
1993-06-18
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-06-09 06:07:45

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

Announced prefix
Origin AS
Announcement samples
8,761
Last seen
2026-07-24 15:46:36

Frequently Asked Questions

Who owns 165.155.40.144?

165.155.40.144 is allocated to New York City Board of Education (AS21704), registered in Staten Island, United States.

Where is 165.155.40.144 located?

The geolocation for 165.155.40.144 maps to Staten Island, 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 165.155.40.144 on?

165.155.40.144 belongs to the 165.155.40.0/21 network block announced by AS21704. This range contains 2,048 addresses.

Does 165.155.40.144 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: 2026-07-24 18:20:18 UTC
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