# IP Intelligence Briefing: 138.252.144.173/32
Classification: Low Risk
Generated: 2026-07-18
Analysis Type: Defensive Threat Intelligence
---
## Executive Summary
IP address 138.252.144.173 is classified as Low Risk with a risk score of 0. The address belongs to CARE TEL administrator (ASN 140849) and operates within the 138.252.144.0/23 CIDR block. No active threat indicators, abuse reports, or malicious campaign associations were detected. The subnet demonstrates clean classification with zero abuse density.
---
## Ownership and Registration
- Organization: CARE TEL administrator
- AS Number: 140849 (CARETEL-BD)
- CIDR Block: 138.252.144.0/23
- RIR: ARIN
- Abuse Contact: abuse@caretelbd.com
- Registration Status: Active
---
## Geolocation Data
- Country: GB (Great Britain)
- City: London
- Timezone: Europe/London
- Geo Confidence: Low (consensus: false, plausible: false)
- Note: Geo data shows some inconsistency across sources; 2 sources returned conflicting country codes (GB vs BD in historical observations).
---
## Network Classification and Services
- Service Status: Firewalled / No Services
- Open Ports: None detected
- Infrastructure Type: Not CDN, not Cloud, not Proxy, not Tor
- DNS Resolution: No PTR records, 0 forward hostnames
- Email Reputation: No SPF/DMARC records configured
---
## Threat Indicators
- Threat Score: 0 (None)
- Blacklist Count: 0
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
- Campaign Associations: None
- Threat Feeds: Empty
---
## Neighborhood Analysis (138.252.144.0/24)
- Abuse Density: 0%
- Subnet Classification: Clean
- Total Sibling IPs: 2
- Active Siblings: 0
- Threat Siblings: 0
- Neighbor IPs: 138.252.144.105 (risk score: null)
The /24 subnet shows no abuse activity or malicious indicators in the neighborhood.
---
## Observation History
Fourteen historical observations recorded, most recent from 2026-07-18:
- Subnet Classification: Consistently clean across all observations
- Ownership Changes: 0 changes detected
- Threat Persistence: 0 days
- Threat Observation Count: 0
- Provider/ASN Resolution: Confirmed as CARE TEL administrator, ASN 140849
- Classification Trend: Stable, no escalation in risk profile
---
## Control Plane and Routing
- BGP Prefix: 138.252.144.0/24
- Route Stability: False (route changes detected in last 30 days)
- DNSSEC: Valid
- RPKI State: Not assessed
- Route Changes (30d): 0
- DNSBL Listings: 8 total lists (0 DNSBL listed count in threat section)
- Operator Score: 0.1304 (Minimal)
---
## Recommended Actions
No security actions recommended. The IP address demonstrates:
- No threat indicators
- Clean neighborhood classification
- No active malicious campaigns
- Legitimate organizational registration
Monitoring Recommendation: Continue standard observation. No firewall rules or blocking actions required at this time.
---
## Intelligence Assessment
This IP address represents a benign, low-risk endpoint with no current threat indicators. The absence of open services and firewalled status suggests the address may be used for administrative or reserved purposes. The surrounding /24 subnet maintains a clean classification with no abuse activity. No immediate defensive actions are warranted; routine monitoring is sufficient.
Confidence Level: High
Priority: Low
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | CARE TEL administrator |
| ASN | AS140849 |
| Network Name | CARETEL-BD |
| CIDR Block | 138.252.144.0/23 |
| RIR | ARIN |
| Country | BD |
| 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 | Unknown |
| 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS140849 |
| Network Prefix | 138.252.144.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 12% | 2 | 2 |
| routing | 8% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 17% | 2 | 3 |
| reputation | 8% | 1 | 2 |
| geolocation | 8% | 1 | 1 |
| Overall | 10% | 8 | 10 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-06-09 20:26:31 UTC |
| Last Seen | 2026-08-27 03:46:25 UTC |
| Profile Built | 2026-08-29 06:09:52 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 19 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 138.252.144.173
Who owns the IP address 138.252.144.173?
138.252.144.173 is registered to CARE TEL administrator. The address falls within the 138.252.144.0/23 network block. Registration is held at ARIN.
Where is 138.252.144.173 located?
Geolocation data places 138.252.144.173 in London, ENG, United Kingdom. The local time zone is Europe/London. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 138.252.144.173 malicious or safe?
138.252.144.173 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.