181.23.113.121
IP Intelligence Briefing: 181.23.113.121
Date: 2026-06-12
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**1. IP Profile**
- Risk Score: Moderate (50/100)
- Ownership:
- ASN: AS22927
- Organization: Telefonica de Argentina
- Subnet: 181.20.0.0/14
- Registration: LACNIC
- Geolocation:
- Country: US (flagged as plausible, but geolocation data inconsistent with ASN origin).
- Region/City: US-NY (New York).
- Threat Indicators:
- No active malware, spam, or attacker associations.
- Listed in 2/8 DNSBLs (low-risk, but warrants monitoring).
- Network Role:
- Mobile carrier infrastructure (not residential, CDN, or cloud).
- No open ports or TLS services detected.
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**2. Observation History**
- Latest Activity: 2026-06-12
- DNSBL Listings: 2/8 (low-severity).
- BGP Data: Associated with AS22927 (Telefonica).
- DNS Records: PTR hostname `181-23-113-121.mrse.com.ar` resolved.
- Geolocation Anomalies: RTT (175ms) inconsistent with 11,547km distance (minimum possible RTT: 230.9ms).
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**3. Relationships**
- Network Associations:
- Subnet: `181.20.0.0/14` (Telefonica de Argentina).
- DNS hostname: `181-23-113-121.mrse.com.ar`.
- No Known Campaigns or Malicious Links detected.
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**4. Neighborhood Analysis**
- Subnet: 181.23.113.0/24
- Abuse Density: 0% (no malicious neighbors reported).
- Active Siblings: 0 (no neighboring IPs in dataset).
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**5. Recommendations**
1. Monitor DNSBL Listings: Verify if the IP is flagged for low-risk abuse (e.g., open proxies, spam).
2. Validate Geolocation: Investigate discrepancies between geolocation (US) and ASN origin (Argentina).
3. Check DNS Records: Ensure `181-23-113-121.mrse.com.ar` is legitimate and not associated with malicious domains.
4. Network Segmentation: Confirm isolation of this subnet to prevent lateral movement if compromised.
Conclusion: This IP is owned by a mobile carrier but shows low-risk DNSBL associations. No active threats detected, but geolocation inconsistencies and DNS anomalies require further investigation.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Telefonica de Argentina |
| ASN | AS22927 |
| Network Name | 181.20.0.0 - 181.23.255.255 |
| CIDR Block | 181.20.0.0/14 |
| RIR | LACNIC |
| Country | AR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 181-23-113-121.mrse.com.ar |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 181-23-113-121.mrse.com.ar |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 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 | 27% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 2 | 2 |
| Overall | 8% | 4 | 5 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Fresh
| First Seen | 2026-05-30 10:58:28 UTC |
| Last Seen | 2026-06-13 03:45:09 UTC |
| Profile Built | 2026-06-12 05:45:22 UTC |
| Data Freshness | Fresh |
| Signal Types | 21 |
| Total Observations | 21 |
Full dossier details are available via our API.