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.
- Baseline (neutral) 65
- Academic allocation +6
- Long-established allocation (17y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 87 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- gre-ndn.jib-router.jib.org
- Forward-confirmed (FCrDNS)
- ✗ Mismatch
- PTR TTL
- 86400 s
- Reverse DNS last checked
- 2026-07-24 06:14 UTC
- Forward DNS last checked
- 2026-07-24 06:14 UTC
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Network Allocation for 109.105.102.142
- CIDR range
- 109.105.102.0/31
- IP range (int)
- 1,835,623,936 — 1,835,623,937
- 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_asn, maxmind_country
- Last updated
- 2026-07-21 04:29:57
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
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 109.105.102.142?
109.105.102.142 is allocated to NORDUnet (AS2603), registered in Denmark.
Where is 109.105.102.142 located?
The geolocation for 109.105.102.142 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 109.105.102.142 on?
109.105.102.142 belongs to the 109.105.102.0/31 network block announced by AS2603. This range contains 2 addresses.
Does 109.105.102.142 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.
