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CIDR
/30 · 4 IPs
ASN
RH & Co. IT Services Ltd
Reverse DNS
course-swift391.zivologic.com
Last scanned 12 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.

69/100
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)
course-swift391.zivologic.com
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
300 s
Reverse DNS last checked
2026-09-14 14:34 UTC
Forward DNS last checked
2026-09-14 04:18 UTC
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 13.143.207.239

CIDR range
13.143.207.0/30
IP range (int)
227,528,448 — 227,528,451
Prefix length
/30
Organization
RH & Co. IT Services Ltd
ASN
AS205220
ASN name
RH & Co. IT Services Ltd
Location
Orem, Utah, United States
Coordinates
40.299700, -111.673700
Accuracy radius
20 km
Postal code
84097
Regional Internet Registry
RIPE
Allocated
1986-04-25
Data source(s)
ipinfo_lite, maxmind_city, maxmind_asn, maxmind_country
Last updated
2026-09-14 06:07:56

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

Announced prefix
Origin AS
⚠ 2 origins (MOAS)
Announcement samples
25,265
Last seen
2026-09-14 15:53:49

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 RIR Transfer arin ripe

See the full history for 13.142.0.0/15.

Frequently Asked Questions

Who owns 13.143.207.239?

13.143.207.239 is allocated to RH & Co. IT Services Ltd (AS205220), registered in Orem, United States.

Where is 13.143.207.239 located?

The geolocation for 13.143.207.239 maps to Orem, 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 13.143.207.239 on?

13.143.207.239 belongs to the 13.143.207.0/30 network block announced by AS205220. This range contains 4 addresses.

Does 13.143.207.239 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: 2026-09-14 12:52:42 UTC
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