# IP INTELLIGENCE BRIEFING: 89.244.88.54/32
Classification: MODERATE RISK
Report Date: 2026-07-23
Analyst: Automated Intelligence System
---
## EXECUTIVE SUMMARY
IP address 89.244.88.54 is registered to 1&1 Versatel GmbH (ASN 8881) in Duesseldorf, Germany. The IP exhibits a moderate risk profile (score: 40) with no active open ports or known malicious indicators. The subnet shows low abuse density, but the IP is listed on 2 DNSBL entries out of 8 total lists. No active threat signals detected, but firewall blocking is recommended pending operational context.
---
## OWNERSHIP & GEOLOCATION
- Organization: 1&1 Versatel GmbH
- Netname: DE-VERSATEL-20060504
- ASN: 8881 (RIR: RIPE)
- CIDR Block: 89.244.0.0/14
- Location: Duesseldorf, Baden-Wurttemberg, Germany (DE)
- Coordinates: 51.17°N, 10.45°E
- Timezone: Europe/Berlin
- Geolocation Consensus: TRUE (1 source)
---
## NETWORK CLASSIFICATION
- Service Purpose: Firewalled / No Services
- Open Ports: None detected
- TLS Certificate: None
- HTTP Title: None
- PTR Hostname: i59F45836.versanet.de
- Forward Resolution: versanet.de (confirmed)
- Email Authentication: SPF configured, DMARC absent
- DNSSEC: Valid
---
## THREAT INDICATORS
- Risk Score: 40 (Moderate)
- Known Attacker: FALSE
- Spam Source: FALSE
- Tor Exit Node: FALSE
- Proxy/VPN/CDN: FALSE
- DNSBL Listings: 2 of 8 lists
- Blacklist Count: 0
- Abuse Confidence Score: Not applicable
- Known Campaigns: None identified
---
## CONTROL PLANE ANALYSIS
- Route Stability: Route changes observed in last 30 days
- BGP Prefix: 89.244.80.0/20
- RPKI State: Not evaluated
- IRR Consistency: Not evaluated
- Operator Score: 0.2609 (Basic)
- DNSSEC Validation: Valid
---
## NEIGHBORHOOD ANALYSIS (89.244.88.0/24)
- Subnet Abuse Density: 0.25
- Total Siblings: 4
- Active Siblings: 0
- Threat Siblings: 1
- Neighbor Risk Distribution: 3 low-risk, 0 medium, 0 high
- Classification: mostly_clean
Siblings:
| IP Address | Risk Score | Authority Score |
|---|---|---|
| 89.244.88.19 | 0 | 50 |
| 89.244.88.75 | 0 | 50 |
| 89.244.88.119 | 0 | 50 |
---
## OBSERVATION HISTORY (18 Observations)
Recent signals indicate stable ownership and classification patterns. The subnet has been classified as "mostly_clean" with inherited risk level of 2. ASN and geolocation signals observed with high confidence (0.90-0.95). No persistent threat behavior detected.
---
## RELATIONSHIP GRAPH
- DNS Associations: i59F45836.versanet.de (multiple references)
- Network Association: DE-VERSATEL-20060504
- Correlated IPs: None detected
---
## RECOMMENDED ACTIONS
Firewall Blocking Recommended — IPDebrief risk score 40
iptables:
```bash
iptables -A INPUT -s 89.244.88.54 -j DROP
```
nftables:
```bash
nft add rule inet filter input ip saddr 89.244.88.54 drop
```
nginx:
```nginx
deny 89.244.88.54;
```
pfSense:
```
89.244.88.54/32
```
Cloudflare WAF:
```json
{
"description": "Block 89.244.88.54 — IPDebrief risk score 40",
"action": "block",
"filter": {"expression": "ip.src eq 89.244.88.54"}
}
```
AWS WAF:
```json
{
"Addresses": ["89.244.88.54/32"],
"Description": "IPDebrief risk 40"
}
```
---
## INTELLIGENCE NARRATIVE
IP 89.244.88.54 is a German residential/business IP from 1&1 Versatel infrastructure. The lack of open ports suggests either a properly configured host or a dormant address. Two DNSBL listings indicate prior reputation issues, though no active threat indicators are currently observed. The subnet environment shows low abuse density, but the single threat sibling warrants monitoring. Operational context determines whether blocking is appropriate. Recommend blocking if the IP appears in threat feeds or correlates with malicious activity. Continuous monitoring advised given the DNSBL presence.
---
END OF BRIEFING
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | 1&1 Versatel GmbH |
| ASN | AS8881 |
| Network Name | DE-VERSATEL-20060504 |
| CIDR Block | 89.244.0.0/14 |
| RIR | RIPE |
| Country | DE |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | i59F45836.versanet.de |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | i59F45836.versanet.de |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS8881 |
| Network Prefix | 89.244.80.0/20 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 1 |
| reputation | 25% | 1 | 1 |
| geolocation | 25% | 1 | 1 |
| Overall | 26% | 7 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-04 11:16:57 UTC |
| Last Seen | 2026-08-26 19:54:08 UTC |
| Profile Built | 2026-08-29 07:36:27 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 89.244.88.54
Who owns the IP address 89.244.88.54?
89.244.88.54 is registered to 1&1 Versatel GmbH. The address falls within the 89.244.0.0/14 network block. Registration is held at RIPE.
Where is 89.244.88.54 located?
Geolocation data places 89.244.88.54 in Mannheim, Baden-Wurttemberg, Germany. The local time zone is Europe/Berlin. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 89.244.88.54 malicious or safe?
89.244.88.54 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 89.244.88.54?
The reverse DNS (PTR) record for 89.244.88.54 is i59F45836.versanet.de. This hostname is forward-confirmed, meaning it resolves back to the same address.