89.246.80.251
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 (20y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- mailer2.lab-biss.de
- Forward-confirmed (FCrDNS)
- ✗ Mismatch
- PTR TTL
- 21600 s
- Reverse DNS last checked
- 2026-10-02 09:44 UTC
- Forward DNS last checked
- 2026-10-02 09:44 UTC
Forward DNS records for mailer2.lab-biss.de
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 89.246.80.246 | — | 172800s |
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.
This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.
Reverse-DNS changes between Sep 30, 2026 and Oct 2, 2026 were not recorded; the current PTR is shown from its earliest retained observation.
- mailer2.lab-biss.de — since at least Oct 2, 2026 → present
- 251.bisspss.net — Sep 30, 2026 → Oct 2, 2026
- mailer2.lab-biss.de — Sep 26, 2026 → Sep 30, 2026
- 251.bisspss.net — Aug 23, 2026 → Sep 26, 2026
- mailer2.lab-biss.de — Aug 18, 2026 → Aug 23, 2026
- 251.bisspss.net — Jul 7, 2026 → Aug 18, 2026
- mailer2.lab-biss.de — Jul 4, 2026 → Jul 7, 2026
- 251.bisspss.net — Jun 30, 2026 → Jul 4, 2026
- mailer2.lab-biss.de — Jun 24, 2026 → Jun 30, 2026
- 251.bisspss.net — Jun 12, 2026 → Jun 24, 2026
- mailer2.lab-biss.de — Jun 7, 2026 → Jun 12, 2026
Network Allocation for 89.246.80.251
- CIDR range
- 89.246.80.0/20
- IP range (int)
- 1,509,314,560 — 1,509,318,655
- Prefix length
- /20
- Organization
- 1&1 Versatel GmbH
- ASN
- AS8881
- ASN name
- 1&1 Versatel GmbH
- Location
- Stuttgart, Baden Wurttemberg, Germany
- Coordinates
- 48.767000, 9.182700
- Accuracy radius
- 100 km
- Postal code
- 70174
- Regional Internet Registry
- RIPE
- Allocated
- 2006-05-04
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-10-02 05:23:49
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 89.246.80.251?
89.246.80.251 is allocated to 1&1 Versatel GmbH (AS8881), registered in Stuttgart, Germany.
Where is 89.246.80.251 located?
The geolocation for 89.246.80.251 maps to Stuttgart, Germany 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 89.246.80.251 on?
89.246.80.251 belongs to the 89.246.80.0/20 network block announced by AS8881. This range contains 4,096 addresses.
Does 89.246.80.251 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.
