# IP Intelligence Briefing: 198.54.129.44
## Executive Summary
IP 198.54.129.44 presents low overall risk (Score: 25) but exhibits conflicting network ownership data and DNS blacklist listings. The IP is associated with TZULO-LA (ASN 11878) in New York, yet recent signals indicate association with AS46844 sharktech in Los Angeles. The subnet demonstrates low abuse density (0.0), with two neighboring IPs (198.54.129.52, 198.54.129.60) showing zero risk scores.
## Technical Profile
- Risk Score: 25 (Low Risk)
- Reputation: Low Risk
- ASN: 11878 (tzulo-la)
- Organization: TZULO-LA
- CIDR Block: 198.54.129.0/24
- Geolocation: United States, New York (US-NY)
- DNS: static-198-54-129-44.cust.tzulo.com (forward confirmed)
- Services: No open ports detected (firewalled/no services)
- TLS/Certificates: None observed
## Threat Indicators
- DNSBL Listings: 1 of 8 total lists (max severity: high)
- Recent Threat Signals: 22 pulses detected as of 2026-07-29
- Known Campaigns: None identified
- Tor/Proxy/VPN: Not detected
- ISP Classification: Residential/hosting provider (tzulo.com)
## Network Context
- Subnet Abuse Density: 0.0 (clean)
- Neighboring IPs: 2 (198.54.129.52, 198.54.129.60) - both low risk (Score: 0)
- Route Stability: Unstable (route changes: 0, isRouteStable: false)
- GeoValidation: GeoPlausible: false
- Traceroute: 30 hops via Comcast transit network
## Temporal Analysis
- Observation Count: 15 historical signals
- Ownership Stability: No ownership changes recorded
- Threat Persistence: 0 days observed
- Recent Activity: Multiple observations on 2026-07-29 indicate active monitoring
## Related Entities
- DNS Hostname: static-198-54-129-44.cust.tzulo.com
- Network: TZULO-LA (repeated relationship entries)
- Email Auth: SPF and DMARC records present
## SOC Recommendations
1. Monitor Closely: The conflicting ASN data (11878 vs AS46844) and high-severity DNSBL listings warrant continued observation.
2. Block Lists: Review and validate the single high-severity DNSBL listing.
3. Baseline Traffic: Establish traffic baselines given the residential/hosting classification.
4. Neighborhood Watch: No action required for neighboring IPs (198.54.129.52, 198.54.129.60) β both clean.
5. Firewall Rules: No immediate blocking recommended; allow with monitoring given low-risk classification.
## Conclusion
This IP operates within a low-abuse-density subnet but displays data inconsistencies typical of residential hosting services. The low risk score and clean neighboring IPs suggest benign activity, though the DNSBL listing and conflicting ASN assignments require periodic review. No immediate threat action required.
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*Generated via IPDebrief Intelligence Platform*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ Ownership & Registration
| Organization | tzulo-la |
| ASN | AS11878 |
| Network Name | TZULO-LA |
| CIDR Block | 198.54.129.0/24 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | β |
π DNS Intelligence
| PTR | static-198-54-129-44.cust.tzulo.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | static-198-54-129-44.cust.tzulo.com |
π DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
βοΈ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown β Insufficient routing data to classify |
π Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 0% | 0 | 0 |
| routing | 0% | 0 | 0 |
| services | 0% | 0 | 0 |
| ownership | 25% | 1 | 1 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 4% | 1 | 1 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-07-23 01:41:16 UTC |
| Last Seen | 2026-07-29 16:18:39 UTC |
| Profile Built | 2026-07-29 16:31:30 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 18 |
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