Skip to main content
CIDR
/23 · 512 IPs
ASN
Mainstream Fiber Networks, LLC
Reverse DNS
23-252-4-214-cstmr.msfiber.net
Last scanned 13 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.

75/100
Moderate
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)
23-252-4-214-cstmr.msfiber.net
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
3600 s
Reverse DNS last checked
2026-07-29 03:09 UTC
Forward DNS last checked
2026-07-29 03:09 UTC
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 23.252.4.214

CIDR range
23.252.4.0/23
IP range (int)
402,392,064 — 402,392,575
Prefix length
/23
Organization
Mainstream Fiber Networks, LLC
ASN
AS18615
ASN name
Mainstream Fiber Networks, LLC
Location
Newburgh, Indiana, United States
Coordinates
37.965300, -87.390200
Accuracy radius
10 km
Postal code
47630
Regional Internet Registry
ARIN
Allocated
2020-08-04
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-28 04:04:00

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

Announced prefix
Origin AS
Announcement samples
5,572
Last seen
2026-07-29 15:15:48

Frequently Asked Questions

Who owns 23.252.4.214?

23.252.4.214 is allocated to Mainstream Fiber Networks, LLC (AS18615), registered in Newburgh, United States.

Where is 23.252.4.214 located?

The geolocation for 23.252.4.214 maps to Newburgh, 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 23.252.4.214 on?

23.252.4.214 belongs to the 23.252.4.0/23 network block announced by AS18615. This range contains 512 addresses.

Does 23.252.4.214 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: 2026-07-29 16:29:18 UTC
Share