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
- Long-established allocation (19y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- ns1.naymanli.com
- Forward-confirmed (FCrDNS)
- ✗ Mismatch
- PTR TTL
- 43200 s
- Reverse DNS last checked
- 2026-07-19 03:14 UTC
- Forward DNS last checked
- 2026-07-19 03:14 UTC
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
- ns2.naymanli.com — Jul 8, 2026 → present
- ns1.naymanli.com — Jul 4, 2026 → Jul 8, 2026
- ns2.naymanli.com — Jun 25, 2026 → Jul 4, 2026
- ns1.naymanli.com — Jun 11, 2026 → Jun 25, 2026
Network Allocation for 78.189.255.251
- CIDR range
- 78.189.240.0/20
- IP range (int)
- 1,321,070,592 — 1,321,074,687
- Prefix length
- /20
- Organization
- Turk Telekom
- ASN
- AS9121
- ASN name
- Turk Telekom
- Location
- Istanbul, Istanbul, Türkiye
- Coordinates
- 41.010800, 28.948200
- Accuracy radius
- 200 km
- Postal code
- 34096
- Regional Internet Registry
- RIPE
- Allocated
- 2007-05-01
- Data source(s)
- maxmind_city, ipinfo_lite, maxmind_country, maxmind_asn
- Last updated
- 2026-07-11 00:20:07
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 | — | TR |
See the full history for 78.176.0.0/12.
Frequently Asked Questions
Who owns 78.189.255.251?
78.189.255.251 is allocated to Turk Telekom (AS9121), registered in Istanbul, Türkiye.
Where is 78.189.255.251 located?
The geolocation for 78.189.255.251 maps to Istanbul, Türkiye 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 78.189.255.251 on?
78.189.255.251 belongs to the 78.189.240.0/20 network block announced by AS9121. This range contains 4,096 addresses.
Does 78.189.255.251 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.
