Skip to main content
CIDR
/17 · 32.8K IPs
ASN
pair Networks
Reverse DNS
traintrailer.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)
traintrailer.com
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
7200 s
Reverse DNS last checked
2026-09-17 18:46 UTC

Forward DNS records for traintrailer.com

TypeValuePriorityTTL
A 104.18.0.78 300s
A 104.18.1.78 300s
AAAA 2606:4700::6812:14e 170894s
AAAA 2606:4700::6812:4e 170894s
MX mxa-009b7701.gslb.pphosted.com 10
MX mxb-009b7701.gslb.pphosted.com 10
NS collins.ns.cloudflare.com
NS hasslo.ns.cloudflare.com
TXT MS=ms83946082
TXT google-site-verification=eymv-sUvIpr41qPHbUawj9hCctmTw8W1Hs3xzJWBczI
TXT v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCAQ2Abklp1BVw3ac6Vcn6qf5t5WP6hhpcMb3b71mnlDtDz1ZC61c859lhVbt9fGy9YJF+V71NmnkbCPHBFu/hYky6hXKm900S3UCe+TXWDdP1eCe0a1Nn24Yb59pNYqr4SMWKK3mr9UatS7dPkSu31fwow7qIGChoITzVmCavgxQIDAQAB
TXT v=DMARC1; p=none
TXT v=spf1 include:spf.protection.outlook.com ip4:76.223.128.0/19 ip4:216.221.160.0/19 ip4:206.55.144.0/20 ip4:167.89.0.0/17 ip4:168.245.0.0/17 ip4:209.143.77.216 ip4:209.143.79.242 include:mailgun.org ip4:66.159.241.116 ip4:66.159.239.89 -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 66.39.4.146

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 66.39.4.146?

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

Where is 66.39.4.146 located?

The geolocation for 66.39.4.146 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 66.39.4.146 on?

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

Does 66.39.4.146 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
Share