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CIDR
/23 · 512 IPs
ASN
Level 3 Parent, LLC
Reverse DNS
provwater.com
Last scanned 1 days 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.

81/100
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)
provwater.com
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-08-29 02:31 UTC

Forward DNS records for provwater.com

TypeValuePriorityTTL
A 135.84.124.41 172800s
MX mx-01-us-east-2.prod.hydra.sophos.com 10
MX mx-02-us-east-2.prod.hydra.sophos.com 20
NS ns23.domaincontrol.com
NS ns24.domaincontrol.com
TXT MS=9BCE48A91997994FF6D103C2201157923BB13FB7
TXT apple-domain-verification=HFbVQRGOoNy07Msk
TXT google-site-verification=Yzl9SRwD86mVgXNIBdXDWQNeoVU1Mgqul5bfr3UhTYU
TXT google-site-verification=w8RkMCuSh60s1becqTvkvjGbDkWqpo76pmB0qbxarsA
TXT include:amazonses.com
TXT sophos-domain-verification=f53cb4e20f43f8c925e9e06a6b477fdc44f42e22
TXT v=DMARC1; p=none;
TXT v=spf1 mx ip4:174.77.114.243 ip4:70.167.99.142 include:_spf_useast2.prod.hydra.sophos.com -all
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 4.2.188.3

CIDR range
4.2.188.0/23
IP range (int)
67,288,064 — 67,288,575
Prefix length
/23
Organization
Level 3 Parent, LLC
ASN
AS3356
ASN name
Level 3 Parent, LLC
Location
New Berlin, Wisconsin, United States
Coordinates
42.989600, -88.087600
Accuracy radius
500 km
Postal code
53151
Regional Internet Registry
ARIN
Allocated
1992-12-01
Data source(s)
maxmind_city, maxmind_country, ipinfo_lite, maxmind_asn
Last updated
2026-08-28 05:20:52

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

Announced prefix
Origin AS
Announcement samples
5,993
Last seen
2026-08-29 02:57:44

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 New Allocation US

See the full history for 4.0.0.0/12.

Frequently Asked Questions

Who owns 4.2.188.3?

4.2.188.3 is allocated to Level 3 Parent, LLC (AS3356), registered in New Berlin, United States.

Where is 4.2.188.3 located?

The geolocation for 4.2.188.3 maps to New Berlin, 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 4.2.188.3 on?

4.2.188.3 belongs to the 4.2.188.0/23 network block announced by AS3356. This range contains 512 addresses.

Does 4.2.188.3 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: 2026-08-28 19:24:19 UTC
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