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CIDR
/27 · 32 IPs
ASN
Armstrong
Reverse DNS
southbutler.net
Last scanned 11 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)
southbutler.net
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
86400 s
Reverse DNS last checked
2026-07-23 14:14 UTC
Forward DNS last checked
2026-07-23 14:14 UTC

Forward DNS records for southbutler.net

TypeValuePriorityTTL
A 207.54.156.1 172800s
MX alt1.aspmx.l.google.com 5
MX alt2.aspmx.l.google.com 5
MX alt3.aspmx.l.google.com 10
MX alt4.aspmx.l.google.com 10
MX aspmx.l.google.com 1
NS ns17.domaincontrol.com
NS ns18.domaincontrol.com
TXT v=DMARC1;p=reject; rua=mailto:zearottb@knochsd.net
TXT duo_sso_verification=wW9jfyBwn2nEgw6FYBT8hzSVQi6cfNEThXvnqvsHAqBmPHF0bBpDZJjen8aB8Lnb
TXT google-site-verification=-1uE9OPVKnbRjgMSw6DVwHQZzj_MAPA5bjzl8ueowa4
TXT v=DMARC1; p=none; rua=mailto:techstaff@southbutler.net
TXT v=spf1 a mx ip4:66.195.143.26 ip4:8.12.72.20 include:_spf.google.com ~all
TXT v=spf1 include:_spf.google.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 72.23.31.139

CIDR range
72.23.31.0/27
IP range (int)
1,209,474,816 — 1,209,474,847
Prefix length
/27
Organization
Armstrong
ASN
AS27364
ASN name
Armstrong
Location
Connellsville, Pennsylvania, United States
Coordinates
40.017900, -79.589500
Accuracy radius
5 km
Postal code
15425
Regional Internet Registry
ARIN
Allocated
2004-12-06
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-07-21 04:06:20

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

Announced prefix
Origin AS
Announcement samples
7,878
Last seen
2026-07-24 00:48:19

Frequently Asked Questions

Who owns 72.23.31.139?

72.23.31.139 is allocated to Armstrong (AS27364), registered in Connellsville, United States.

Where is 72.23.31.139 located?

The geolocation for 72.23.31.139 maps to Connellsville, 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 72.23.31.139 on?

72.23.31.139 belongs to the 72.23.31.0/27 network block announced by AS27364. This range contains 32 addresses.

Does 72.23.31.139 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: 2026-07-24 00:29:38 UTC
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