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CIDR
/21 · 2.0K IPs
ASN
DQE Communications LLC
Reverse DNS
smtp2.stipc.com
Last scanned 28 min 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.

78/100
Moderate
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)
smtp2.stipc.com
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-09-13 11:44 UTC

Forward DNS records for smtp2.stipc.com

TypeValuePriorityTTL
A 164.52.236.130 172800s
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.

Reverse DNS history

How this IP's reverse DNS (PTR) has changed over time, from our scans.

  1. stigw.stipc.com — Jul 8, 2026 → present
  2. smtp2.stipc.com — Jul 1, 2026 → Jul 8, 2026
  3. stigw.stipc.com — Jun 13, 2026 → Jul 1, 2026
  4. smtp2.stipc.com — Jun 12, 2026 → Jun 13, 2026
  5. stigw.stipc.com — Jun 11, 2026 → Jun 12, 2026

Network Allocation for 164.52.236.130

CIDR range
164.52.232.0/21
IP range (int)
2,754,930,688 — 2,754,932,735
Prefix length
/21
Organization
DQE Communications LLC
ASN
AS33154
ASN name
DQE Communications LLC
Location
Pittsburgh, Pennsylvania, United States
Coordinates
40.502000, -79.914300
Accuracy radius
50 km
Postal code
15215
Regional Internet Registry
ARIN
Allocated
2016-04-19
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-13 05:28:48

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

Announced prefix
Origin AS
Announcement samples
6,847
Last seen
2026-09-13 10:36:23

Frequently Asked Questions

Who owns 164.52.236.130?

164.52.236.130 is allocated to DQE Communications LLC (AS33154), registered in Pittsburgh, United States.

Where is 164.52.236.130 located?

The geolocation for 164.52.236.130 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 164.52.236.130 on?

164.52.236.130 belongs to the 164.52.232.0/21 network block announced by AS33154. This range contains 2,048 addresses.

Does 164.52.236.130 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: 2026-09-13 12:13:09 UTC
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