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CIDR
/24 · 256 IPs
ASN
Fortinet Inc.
Reverse DNS
smtpld21.fortimailcloud.com
Last scanned 22 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.

86/100
Trusted
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
smtpld21.fortimailcloud.com
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
3600 s
Reverse DNS last checked
2026-07-20 09:21 UTC
Forward DNS last checked
2026-07-20 09:21 UTC

Forward DNS records for smtpld21.fortimailcloud.com

TypeValuePriorityTTL
A 154.52.3.141 172799s
A 154.52.3.142 172795s
A 154.52.3.143 172799s
A 154.52.3.144 172799s
A 154.52.3.145 172799s
A 154.52.3.146 172794s
A 154.52.3.147 172799s
A 154.52.3.148 172795s
A 154.52.3.149 172799s
A 154.52.3.150 172799s
A 154.52.3.151 172795s
A 154.52.3.152 172795s
A 154.52.3.153 172795s
A 154.52.3.154 172799s
A 154.52.3.155 172799s
A 154.52.3.156 172795s
A 154.52.3.157 172799s
A 154.52.3.158 172799s
A 154.52.3.193 172800s
A 154.52.3.194 172799s
A 154.52.3.195 172799s
A 154.52.3.196 172797s
A 154.52.3.197 172795s
A 154.52.3.198 172798s
A 154.52.3.199 172795s
A 154.52.3.200 172800s
A 154.52.3.201 172795s
A 154.52.3.202 172799s
A 154.52.3.203 172795s
A 154.52.3.204 172794s
A 154.52.3.205 172795s
A 154.52.3.206 172795s
A 154.52.3.207 172798s
A 154.52.3.208 172799s
A 154.52.3.209 172795s
A 154.52.3.210 172799s
A 154.52.3.211 172795s
A 154.52.3.212 172799s
A 154.52.3.213 172799s
A 154.52.3.214 172799s
A 154.52.3.215 172798s
A 154.52.3.216 172799s
A 154.52.3.217 172799s
A 154.52.3.218 172799s
A 154.52.3.219 172799s
A 154.52.3.220 172799s
A 154.52.3.221 172799s
A 154.52.3.222 172794s
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 154.52.3.147

CIDR range
154.52.3.0/24
IP range (int)
2,587,099,904 — 2,587,100,159
Prefix length
/24
Organization
Fortinet Inc.
ASN
AS40934
ASN name
Fortinet Inc.
Location
City of London, England, United Kingdom
Coordinates
51.516400, -0.093000
Accuracy radius
20 km
Postal code
EC4N
Regional Internet Registry
AFRINIC
Allocated
1992-02-05
Data source(s)
maxmind_city, maxmind_country, ipinfo_lite, maxmind_asn
Last updated
2026-07-11 09:23:36

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

Announced prefix
Origin AS
Announcement samples
4,668
Last seen
2026-07-20 15:20:50

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 New Allocation US

See the full history for 154.52.0.0/20.

Frequently Asked Questions

Who owns 154.52.3.147?

154.52.3.147 is allocated to Fortinet Inc. (AS40934), registered in City of London, United Kingdom.

Where is 154.52.3.147 located?

The geolocation for 154.52.3.147 maps to City of London, United Kingdom 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 154.52.3.147 on?

154.52.3.147 belongs to the 154.52.3.0/24 network block announced by AS40934. This range contains 256 addresses.

Does 154.52.3.147 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: 2026-07-19 20:13:37 UTC
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