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CIDR
/17 · 32.8K IPs
ASN
pair Networks
Reverse DNS
rightrez.com
Last scanned 15 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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
rightrez.com
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
7200 s
Reverse DNS last checked
2026-09-17 18:15 UTC

Forward DNS records for rightrez.com

TypeValuePriorityTTL
A 141.193.213.10 172800s
A 141.193.213.11 172800s
MX rightrez-com.mail.protection.outlook.com 0
NS ns0000.ns0.com
NS ns564.pair.com
TXT 1password-site-verification=D2O5ZTYGNZFODLHVZHP7ZKTJCQ
TXT _7zow12dcztxvkgiws936u4axpf9qqky
TXT _bk7duhl8cl67vurrn924bynacluh1ye
TXT atlassian-domain-verification=IDeJ1vaC/9wQcSzAAPVJHcyGndudL0xVS7wsjb24zsquIjj2dvt3uJOPoIR3h0aW
TXT atlassian-domain-verification=uGcVl0fh2rRrCRjINI6Lt6LZaEF99k2eGoAjkhHCU6feIinkRz8j6rl2f2xRn5dB
TXT atlassian-sending-domain-verification=36ccde83-3abb-4dcc-9a67-a40963cec603
TXT google-site-verification=xiIaHeP-tF34at32hNRGEJIpGdaqOkth6IvS1uQjHP0
TXT jclmw671m3p0933lylhzt9x81169swh7
TXT ms-domain-verification=b48353a4-7af0-4dc3-80cf-e9408deda68b
TXT rrez-web-api.azurewebsites.net
TXT rrez-web-itin.azurewebsites.net
TXT rrez-web-sbt.azurewebsites.net
TXT v=DMARC1; p=quarantine; rua=mailto:dmarc@rightrez.com; ruf=mailto:dmarc@rightrez.com; fo=1; pct=100; adkim=r; aspf=s
TXT v=spf1 mx ip4:52.255.195.121 ip4:50.31.61.196 ip4:50.77.129.137 ip4:13.90.158.14 ip4:168.62.164.21 include:spf.protection.outlook.com include:22703532.spf10.hubspotemail.net ~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 66.39.4.203

CIDR range
66.39.0.0/17
IP range (int)
1,109,852,160 — 1,109,884,927
Prefix length
/17
Organization
pair Networks
ASN
AS7859
ASN name
pair Networks
Location
Pittsburgh, Pennsylvania, United States
Coordinates
40.442200, -79.992700
Accuracy radius
20 km
Postal code
15212
Regional Internet Registry
ARIN
Allocated
2000-10-27
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-17 05:21:54

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

Announced prefix
Origin AS
Announcement samples
321,709
Last seen
2026-09-18 09:05:27

Frequently Asked Questions

Who owns 66.39.4.203?

66.39.4.203 is allocated to pair Networks (AS7859), registered in Pittsburgh, United States.

Where is 66.39.4.203 located?

The geolocation for 66.39.4.203 maps to Pittsburgh, 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 66.39.4.203 on?

66.39.4.203 belongs to the 66.39.0.0/17 network block announced by AS7859. This range contains 32,768 addresses.

Does 66.39.4.203 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: 2026-09-18 03:14:04 UTC
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