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CIDR
/24 · 256 IPs
ASN
Mastersoft S.R.L.
Reverse DNS
steadfast.com
Last scanned 4 days 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.

75/100
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)
steadfast.com
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-09-20 09:49 UTC
Forward DNS last checked
2026-09-20 09:49 UTC

Forward DNS records for steadfast.com

TypeValuePriorityTTL
A 132.148.179.4 600s
MX us-smtp-inbound-1.mimecast.com 10
MX us-smtp-inbound-2.mimecast.com 10
NS pdns01.domaincontrol.com
NS pdns02.domaincontrol.com
NS pdns70.ultradns.biz
NS pdns70.ultradns.co.uk
NS pdns70.ultradns.com
NS pdns70.ultradns.info
NS pdns70.ultradns.net
NS pdns70.ultradns.org
TXT HY1nxBVPpl1heYWX6z/pMwKlP+da+Bvr8fwmK8WLaK63rtG0wzt5l88GMls4DHl1tsIfTj9fLOCbif8rjRk13Q==
TXT MS=ms97946261
TXT ZOOM_verify_hibVip70kZsdb74anAb99w
TXT adobe-idp-site-verification=1eab6fdf02b7f1c26d63971dcb1bfd12d470f7fbbabcf3b797f6ff4559b77dbc
TXT anthropic-domain-verification-a5v3y4=S5Cr0HxWeygsMNh3cxt54SCFC
TXT apple-domain-verification=24KLDcGVoC08NGdg
TXT atlassian-domain-verification=GMGcTtB7aqdn1/ef2I5h8ZPLv+K3g4C/UJfB65GHeQk5vhByYOIZ39B6NyAlHYQp
TXT openai-domain-verification=dv-smWDOGWLDWQBp2KnKZeH4FsR
TXT v=DMARC1; p=quarantine; sp=none; fo=1; pct=100; ri=3600; rua=mailto:steadfast-financial@rua.agari.com; ruf=mailto:steadfast-financial@ruf.agari.com
TXT v=DMARC1; p=quarantine; sp=none; fo=1; pct=50; ri=3600; rua=mailto:steadfast-financial@rua.agari.com; ruf=mailto:steadfast-financial@ruf.agari.com
TXT v=spf1 ip4:74.119.224.50 ip4:52.204.97.154 include:us._netblocks.mimecast.com include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:mail.zendesk.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 45.81.35.145

CIDR range
45.81.35.0/24
IP range (int)
760,292,096 — 760,292,351
Prefix length
/24
Organization
Mastersoft S.R.L.
ASN
AS215305
ASN name
Mastersoft S.R.L.
Location
Amsterdam, North Holland, The Netherlands
Coordinates
52.371600, 4.888300
Accuracy radius
20 km
Postal code
1012
Regional Internet Registry
RIPE
Allocated
2019-05-17
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-16 05:21:04

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

Announced prefix
Origin AS
Announcement samples
123,233
Last seen
2026-09-20 17:33:48

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 GB

See the full history for 45.81.35.0/24.

Frequently Asked Questions

Who owns 45.81.35.145?

45.81.35.145 is allocated to Mastersoft S.R.L. (AS215305), registered in Amsterdam, The Netherlands.

Where is 45.81.35.145 located?

The geolocation for 45.81.35.145 maps to Amsterdam, The Netherlands 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 45.81.35.145 on?

45.81.35.145 belongs to the 45.81.35.0/24 network block announced by AS215305. This range contains 256 addresses.

Does 45.81.35.145 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: 2026-09-16 05:21:49 UTC
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