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CIDR
/20 · 4.1K IPs
ASN
FranTech Solutions
Reverse DNS
nonpareil.uchicago.edu
Last scanned 9 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.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
nonpareil.uchicago.edu
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
30 s
Reverse DNS last checked
2026-07-18 10:55 UTC
Forward DNS last checked
2026-07-18 10:55 UTC

Forward DNS records for nonpareil.uchicago.edu

TypeValuePriorityTTL
A 102.216.79.49 1800s
A 103.168.67.112 1800s
A 104.255.154.46 1800s
A 109.199.102.252 1800s
A 109.199.103.106 1553s
A 145.239.2.227 1800s
A 159.253.44.199 1800s
A 159.253.45.161 1800s
A 159.253.45.228 1800s
A 162.217.100.106 1553s
A 162.217.100.112 1800s
A 162.217.100.116 1553s
A 167.86.96.76 1800s
A 170.130.191.2 1553s
A 172.96.9.86 1800s
A 178.162.163.181 1800s
A 185.174.28.96 1800s
A 185.227.137.74 1800s
A 203.174.22.134 1800s
A 209.141.57.12 1377s
A 213.246.45.89 1800s
A 37.97.201.203 1800s
A 38.49.209.3 1800s
A 42.0.29.57 1800s
A 43.225.199.20 1553s
A 45.128.119.236 1553s
A 45.148.125.154 1800s
A 45.8.47.179 1800s
A 50.2.237.37 1800s
A 51.254.131.139 1377s
A 69.162.118.230 1776s
A 69.30.200.45 1800s
A 81.7.9.47 1553s
A 83.149.101.75 1800s
A 85.121.126.190 1553s
A 89.163.157.155 1800s
A 89.252.173.111 1800s
A 89.252.173.118 1800s
A 92.60.70.197 1800s
A 95.211.212.2 1800s
MX nonpareiluc.com 10
NS dns1.registrar-servers.com
NS dns2.registrar-servers.com
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 209.141.57.12

CIDR range
209.141.48.0/20
IP range (int)
3,515,691,008 — 3,515,695,103
Prefix length
/20
Organization
FranTech Solutions
ASN
AS53667
ASN name
FranTech Solutions
Location
Las Vegas, Nevada, United States
Coordinates
36.102000, -115.144700
Accuracy radius
20 km
Postal code
89119
Regional Internet Registry
ARIN
Allocated
2011-01-27
Data source(s)
ipinfo_lite, maxmind_city, maxmind_country, maxmind_asn
Last updated
2026-07-18 18:06:04

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

Announced prefix
Origin AS
Announcement samples
5,586
Last seen
2026-07-18 19:46:38

Frequently Asked Questions

Who owns 209.141.57.12?

209.141.57.12 is allocated to FranTech Solutions (AS53667), registered in Las Vegas, United States.

Where is 209.141.57.12 located?

The geolocation for 209.141.57.12 maps to Las Vegas, 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 209.141.57.12 on?

209.141.57.12 belongs to the 209.141.48.0/20 network block announced by AS53667. This range contains 4,096 addresses.

Does 209.141.57.12 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: 2026-07-18 20:16:26 UTC
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