120.157.53.98
# IP Intelligence Briefing: 120.157.53.98/32
Classification: Residential Endpoint (Low Risk)
Date: 2026-07-23
Analyst: IPDebrief Intelligence Team
---
## Executive Summary
IP address 120.157.53.98 is a residential mobile endpoint associated with Telstra Corporation Limited in Melbourne, Australia. The IP presents no malicious indicators, blacklist entries, or threat activity. Subnet analysis reveals zero abuse density with no neighboring threats. This endpoint is classified as benign infrastructure suitable for legitimate residential use.
---
## Network Profile
| Attribute | Value |
|---|---|
| **Risk Score** | 0 (Low Risk) |
| **Reputation** | Low Risk |
| **ASN** | 1221 |
| **Organization** | Telstra Internet Address Registry |
| **Network** | TELSTRAINTERNET47-AU |
| **CIDR Block** | 120.144.0.0/12 |
| **RIR** | APNIC |
| **Country** | Australia (AU) |
| **Region** | Victoria (VIC) |
| **City** | Melbourne |
---
## Network Classification
- Infrastructure Type: Residential
- Connection Type: Mobile (LTE/5G)
- Mobile Carrier: Telstra Corporation Ltd. (MCC: 505, MNC: 01)
- Cloud/CDN/Proxy: No
- Tor/Exit Node: No
- Open Ports: None detected
- TLS Certificates: None
- Hosted Domains: None
---
## Threat Intelligence
| Indicator | Status |
|---|---|
| **Abuse Confidence Score** | Not Available |
| **Blacklist Count** | 0 |
| **Known Attacker** | No |
| **Spam Source** | No |
| **Tor Exit Node** | No |
| **Threat Feeds** | None |
| **Known Campaigns** | None |
| **DNSBL Listed** | 0/8 lists |
---
## Neighborhood Analysis
- Subnet: 120.157.53.0/24
- Abuse Density: 0%
- High Risk Neighbors: 0
- Medium Risk Neighbors: 0
- Low Risk Neighbors: 0
- Active Siblings: 0
- Threat Siblings: 0
The surrounding subnet shows no malicious activity or abuse patterns.
---
## Observation History
Analysis of 11 historical observations from 2026-07-23 indicates:
- Consistent Classification: Residential endpoint classification maintained across all observations
- Geolocation Signals: Multiple geolocation probes confirming Melbourne, AU location with confidence levels ranging from 0.30 to 0.95
- Ownership Stability: No ownership changes detected
- Threat Persistence: Zero threat observation days
- Operator Score: 0.1304 (Minimal)
---
## Relationship Graph
- Same Network: TELSTRAINTERNET47-AU
- No additional relationships detected (subnets, hostnames, organizations, certificates)
---
## Recommended Security Actions
No immediate action required. This IP address presents no security threats and is classified as legitimate residential infrastructure.
Firewall Rules: Not required. If blocking is necessary for policy reasons, standard residential IP filtering may be applied, though no security justification exists.
---
## Conclusion
IP 120.157.53.98 is a benign residential mobile endpoint in Melbourne, Australia, operated by Telstra. No malicious indicators, threat activity, or abuse patterns were detected across all available intelligence sources. The IP exhibits stable ownership, consistent geolocation, and zero neighborhood threat density. SOC analysts may treat this address as low-priority residential traffic with no special handling required.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Telstra Limited |
| ASN | AS1221 |
| Network Name | TELSTRAINTERNET47-AU |
| CIDR Block | 120.144.0.0/12 |
| RIR | APNIC |
| Country | AU |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 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 | AS1221 |
| Network Prefix | 120.156.0.0/15 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-03 10:48:33 UTC |
| Last Seen | 2026-08-29 02:28:27 UTC |
| Profile Built | 2026-08-29 02:28:34 UTC |
| Data Freshness | Live |
| Signal Types | 15 |
| Total Observations | 17 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 120.157.53.98
Who owns the IP address 120.157.53.98?
120.157.53.98 is registered to Telstra Limited. The address falls within the 120.144.0.0/12 network block. Registration is held at APNIC.
Where is 120.157.53.98 located?
Geolocation data places 120.157.53.98 in Melbourne, Victoria, Australia. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 120.157.53.98 malicious or safe?
120.157.53.98 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
Is 120.157.53.98 a VPN, proxy, or data center address?
120.157.53.98 is classified as a mobile network and a residential network based on network ownership and behavioural analysis.