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IPv4 Address

109.105.97.120

CIDR
/31 · 2 IPs
ASN
NORDUnet
Reverse DNS
de-ffm.nordu.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)
de-ffm.nordu.net
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
86400 s
Reverse DNS last checked
2026-09-13 10:51 UTC
Forward DNS last checked
2026-09-13 10:51 UTC

Forward DNS records for de-ffm.nordu.net

TypeValuePriorityTTL
A 109.105.96.31 86400s
A 109.105.96.32 86400s
AAAA 2001:948:0:bad:c0de::10 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.

Network Allocation for 109.105.97.120

CIDR range
109.105.97.0/31
IP range (int)
1,835,622,656 — 1,835,622,657
Prefix length
/31
Organization
NORDUnet
ASN
AS2603
ASN name
NORDUnet
Location
Denmark
Coordinates
55.712300, 12.056400
Accuracy radius
500 km
Regional Internet Registry
RIPE
Allocated
2009-09-15
Data source(s)
ipinfo_lite, maxmind_city, maxmind_country, maxmind_asn
Last updated
2026-09-13 06:08:10

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

Announced prefix
Origin AS
Announcement samples
9,742
Last seen
2026-09-13 22:05:36

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 DK

See the full history for 109.105.96.0/20.

Frequently Asked Questions

Who owns 109.105.97.120?

109.105.97.120 is allocated to NORDUnet (AS2603), registered in Denmark.

Where is 109.105.97.120 located?

The geolocation for 109.105.97.120 maps to Denmark 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 109.105.97.120 on?

109.105.97.120 belongs to the 109.105.97.0/31 network block announced by AS2603. This range contains 2 addresses.

Does 109.105.97.120 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 17:08:02 UTC
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