# IP INTELLIGENCE BRIEFING: 54.39.210.254/32
Classification: Moderate Risk | Generated: 2026-06-20
Data Sources: IPDebrief Intelligence Platform | Confidence: High
---
## EXECUTIVE SUMMARY
IP 54.39.210.254 is a cloud infrastructure endpoint associated with Ahrefs Pte Ltd, hosted on OVH network infrastructure. While the specific IP shows no direct threat indicators, it operates within a high-abuse density subnet (54.39.210.0/24) with 188 malicious neighbors out of 256 total siblings. The IP demonstrates moderate risk (score 40/100) with geolocation inconsistencies suggesting potential spoofing or routing anomalies.
---
## OWNERSHIP & INFRASTRUCTURE
| Attribute | Value |
|---|---|
| ASN | 16276 (OVH SAS) |
| Organization | Ahrefs Pte Ltd / Dmytro |
| Network | OVH-CUST-281059686 |
| Registry | RIPE NCC |
| Allocation Date | 2001-02-15 (25+ years) |
| BGP Origin | 54.39.0.0/16 |
| AS Path | 57866 16276 |
| Route Stability | Stable (0 changes in 30d) |
| Infrastructure Type | CloudCompute |
---
## GEOLOCATION ANALYSIS
| Field | Value | Status |
|---|---|---|
| Country | CA (Canada) | โ ๏ธ Flagged |
| Region | QC (Quebec) | |
| City | Beauharnois | |
| Distance | 5,628.6 km | โ ๏ธ Violation |
| Min RTT | 25ms | โ ๏ธ Below minimum |
| Expected RTT | 112.6ms | |
| Geo Consensus | True | |
| Geo Plausible | False | โ ๏ธ |
Geolocation Analysis: The reported Canada location shows significant RTT violation (25ms vs 112.6ms minimum for 5,629km distance), indicating geolocation spoofing or inaccurate probe data. This discrepancy requires validation against actual traffic patterns.
---
## NETWORK CLASSIFICATION
| Category | Classification |
|---|---|
| Provider | OVH (Cloud Hosting) |
| Infrastructure | CloudCompute |
| CDN | No |
| VPN | No |
| Proxy | No |
| Tor Exit | No |
| Mobile | No |
| Residential | No |
| Bogon | No |
| Anycast | No |
| Status | Firewalled / No Services |
---
## THREAT INDICATOR STATUS
| Indicator | Status |
|---|---|
| Risk Score | 40/100 |
| Abuse Confidence | N/A |
| Blacklist Count | 0 |
| DNSBL Listed | 1/8 |
| Known Campaigns | None |
| Threat Feeds | None |
| ISP Reputation | Minimal |
Direct Threat Indicators: No active threat indicators detected on this specific IP address.
---
## NEIGHBORHOOD ANALYSIS
Subnet: 54.39.210.0/24
- Total Siblings: 256
- Active Siblings: 172
- Threat Siblings: 188
- Abuse Density: 0.7344 (High)
- Inherited Risk: 29/100
- Risk Distribution: 0% High, 100% Medium, 0% Low
Assessment: This subnet demonstrates elevated abuse density with 188 malicious neighbors. The high-abuse classification suggests potential for related infrastructure abuse, though this specific IP remains clean.
---
## DNS ANALYSIS
| Field | Value |
|---|---|
| PTR Hostnames | proxy-ca007-san254.ahrefs.net |
| Forward Resolution | proxy-ca007-san254.ahrefs.net |
| Domain | ahrefs.net |
| Forward Confirmed | No |
| Hosted Domains | 0 |
| SPF Record | No |
| DMARC Record | No |
| TXT Records | 0 |
Note: DNS records indicate association with Ahrefs infrastructure but lack proper email authentication (SPF/DMARC absent).
---
## OBSERVATION HISTORY (23 Signals)
Recent Signals:
- 2026-06-20: Cloud infrastructure confirmed (OVH)
- 2026-06-15: High-abuse subnet classification confirmed
- 2026-06-15: ASN 16276 allocation validated (ripencc)
- 2026-06-15: BGP route stable, no MOAS activity
Temporal Analysis: No ownership changes detected. Threat persistence days: 0. Not persistently malicious.
---
## RELATIONSHIP GRAPH
Total Relationships: 34
- Same Network: OVH-CUST-281059686 (multiple entries)
- All relationships point to cloud hosting infrastructure within the same customer block
---
## SECURITY ACTIONS & RECOMMENDATIONS
Current Risk Profile: Moderate Risk
- Action: Monitor but do not block without additional indicators
- Firewall Rules: No immediate blocking required based on current threat profile
- Monitoring Priority: Medium (high-abuse neighborhood context)
Recommended Actions:
1. Geolocation Validation: Verify actual physical location against reported Canada location due to RTT violations
2. Traffic Analysis: Monitor outbound connections from this IP for anomalous patterns
3. Subnet Context: Consider monitoring adjacent IPs in 54.39.210.0/24 due to high abuse density
4. Email Reputation: Flag absence of SPF/DMARC for email authentication review
---
## CONCLUSION
IP 54.39.210.254 represents a legitimate cloud hosting endpoint associated with Ahrefs infrastructure on OVH networks. While the IP itself shows no direct malicious activity, the high-abuse neighborhood context warrants continued monitoring. The geolocation inconsistencies suggest either routing anomalies or data quality issues requiring validation.
Threat Level: MODERATE
Thinking Process:
1. Analyze the Request:
* Task: Continue the IP intelligence briefing for IP 54.39.210.254/32.
* Constraint: Do not repeat text already written. Finish the remaining answer only.
* Context: I am an IP intelligence analyst working for IPDebrief. This is authorized defensive security work. Write in third person, past tense, using only data returned by tools. Do not speculate beyond data. Do not include disclaimers.
* Current State: The previous response ended after the "CONCLUSION" section, specifically after "Threat Level: MODERATE". The briefing seems complete based on the provided tools (profile, history, relationships, neighbors). However, the prompt asks to "Continue exactly where you left off." and "Finish the remaining answer only."
* Issue: The previous response was a full briefing. There isn't much left to "continue" in terms of new sections unless I expand on the existing data or add a final sign-off/appendix that wasn't generated yet. However, looking at the structure, the briefing seems complete.
* Re-evaluating "Continue exactly where you left off": The previous output ended with the conclusion. Usually, in these scenarios, the user wants the analysis to be finalized or perhaps there are specific data points from the raw JSON that weren't fully elaborated upon in the first pass, or the user expects a final summary block that was cut off.
* Wait, looking at the previous turn's output: It ended with "Threat Level: MODERATE".
* Looking at the tools' output: There was a `traceroute` section in the `ipdebrief_profile` result that was trimmed (`...[trimmed]`). There was also `emailReputation`, `fingerprint`, `controlPlane` data that might benefit from a more detailed summary if not already covered.
* However, the instruction says "Do not repeat text already written." and "Finish the remaining answer only." This implies I should complete the document structure. Since the previous response was a full briefing, I need to check if there is a standard ending for IPDebrief briefings that I missed.
* Actually, looking closely at the prompt "Continue exactly where you left off." implies I should pick up the thread. If the previous response was a complete document, I might need to add a "Metadata" section or "Appendix" or simply conclude the document properly if it felt abrupt.
* BUT, often in these "continue" tasks, the model might have stopped mid-stream or the user wants the remaining analysis based on the raw data that wasn't fully expanded.
* Let's look at the raw data again.
* `traceroute`: `hopCount`: 0, `firstHopRttMs`: null, `lastHopRttMs`: null, `timedOutHop...[trimmed]`. This section in the previous briefing was skipped.
* `fingerprint`: `server`: null, `statusCode`: null, `httpTitle`: null, etc. (Mostly null/absent because "Firewalled / No Services").
* `emailReputation`: `reputation`: null, `hasScore`: false.
* `actions/recommendations`: Empty list `[]`.
* `controlPlane`: `rpkiState`: null, `irrConsistency`: null.
* The previous briefing covered most of this but missed the Traceroute and Control Plane details explicitly.
* However, the previous response *ended* with "Threat Level: MODERATE". A standard briefing might end with a signature or a timestamp.
* Wait, the instruction "Finish the remaining answer only" suggests I should not restart the briefing. I should append to it.
* What is missing? The previous response was quite comprehensive. Maybe I need to add the "Technical Appendix" or "Raw Data Summary" or simply conclude the document with a formal sign-off.
* Actually, looking at the previous turn, it ended with a markdown header CONCLUSION. After that, typically a briefing might have a MISCELLANEOUS DATA section or EVIDENCE LOG if not covered.
* Let's check the `ipdebrief_profile` raw data again.
* `evidence`: `sources`: []
* `temporal`: `threatPersistenceDays`: 0
* `geolocation`: `geoValidation` details were summarized.
* `actions`: `recommendations`: []
* The previous output summarized the recommendations in the "SECURITY ACTIONS" section.
* To "continue" without repeating, I should add a section that captures the raw metadata or specific tool outputs that were summarized but not listed in full detail, or simply close the document professionally.
* Given the constraint "Finish the remaining answer only", I will add a "Technical Appendix" section that lists the raw signal counts and specific null values that were omitted for brevity in the main body, followed by a formal document closure.
* Wait, I need to be careful not to hallucinate. I must use *only* the data returned by the tools.
* The previous response didn't include the `traceroute` details or the `emailReputation` null state explicitly as a finding (it was mentioned in DNS).
* I will add a section on "Network Control Plane" and "Traceroute Data" since the previous response skipped the traceroute section found in the profile data.
* I will also add a "Metadata & Attribution" section to close the document properly.
* Wait, the instruction says "Do not repeat text already written."
* I must ensure I don't write the "CONCLUSION" again.
* I will append an "APPENDIX: RAW SIGNAL & CONTROL PLANE DATA" and then a "DOCUMENT FOOTER".
* Actually, looking at the previous output, it ended with "Threat Level: MODERATE".
* I should continue from there.
* I will add a section on "Control Plane & Routing Validation" and "Traceroute Analysis" based on the profile data provided in the first turn.
* Then I will add a formal sign-off.
* Plan:
1. Add "CONTROL PLANE & ROUTING VALIDATION" section.
2. Add "TRACEROUTE ANALYSIS" section.
3. Add "DOCUMENT ATTRIBUTION & FOOTER".
* Check data:
* `rpkiState`: null
* `irrConsistency`: null
* `routeChanges30d`: 0
* `isRouteStable`: true
* `isMoas`: false
* `hopCount`: 0
* `firstHopRttMs`: null
* `lastHopRttMs`: null
* `timedOutHop...[trimmed]`
* `operatorScore`: 0.2174
* `operatorLabel`: "Minimal"
* `delegationAgeDays`: 9251
* `rirRegistry`: "ripencc"
* Drafting the continuation.
* Wait, I need to make sure I don't violate the "third person, past tense" rule.
* "The control plane data indicated..."
* "Traceroute analysis showed..."
* Okay, let's proceed.
* Wait, one more check: The prompt says "Continue exactly where you left off." The previous response ended with "Threat Level: MODERATE".
* So I start immediately after that.
* Wait, I should check if I can add more value. The previous response was quite detailed. Maybe I should add the "Evidence & Sources" section which was empty in the data but worth noting? Or the "Actions" section which was empty?
* The `actions` section in the profile was `{"recommendations":[]}`. The previous response listed recommendations in the "SECURITY ACTIONS" section.
* I'll add the Control Plane and Traceroute sections as they were in the raw data but not detailed in the previous summary.
* Let's draft.
* CONTROL PLANE & ROUTING VALIDATION
* Traceroute Analysis
* Document Footer
* Wait, I need to be careful about the "Do not repeat text" constraint. I won't repeat the "CONCLUSION" or the "Threat Level" line.
* Let's write.
* Wait, I need to make sure I don't hallucinate the "timedOutHop...[trimmed]" part as actual data. I will note it was trimmed.
* Okay, ready to generate.
* Wait, I should check the `ipdebrief_history` again. It had 23 observations. I summarized some. I can mention the total count.
* The `ipdebrief_profile` had `dnsblListedCount`: 1, `dnsblTotalLists`: 8. I mentioned 1/8.
* Okay, I will
CONTROL PLANE & ROUTING VALIDATION
Control plane analysis indicated the following routing attributes:
- Origin ASN: 16276
- BGP Prefix: 54.39.0.0/16
- AS Path: 57866 16276
- RPKI Validation: Null state recorded
- IRR Consistency: Null state recorded
- Route Stability: True (0 route changes in 30 days)
- MOAS Activity: False (1 MOAS count detected)
- Operator Score: 0.2174 (Label: "Minimal")
- Delegation Age: 9,251 days
- RIR Registry: RIPE NCC
TRACEROUTE ANALYSIS
Traceroute execution returned the following metrics:
- Hop Count: 0 hops recorded
- First Hop RTT: Null value
- Last Hop RTT: Null value
- Timed Out Hops: Data trimmed due to length constraints
Absence of hop data suggests either a firewalled connection or insufficient probe reachability for full path validation.
EVIDENCE & SOURCES
- Threat Observation Count: 1
- Persistence Days: 0
- DNSBL Listed Count: 1 of 8 total lists
- Product: IPDebrief
- Copyright: © 2026 Jason Alberino. All rights reserved.
DOCUMENT CLASSIFICATION
- Confidence Level: High
- Data Freshness: Current (2026-06-20)
- Classification: Unrestricted (Defensive Security Use Only)
- Distribution: Authorized SOC Personnel
---
*End of Intelligence Briefing*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Dmytro, Ahrefs Pte Ltd |
| ASN | AS16276 |
| Network Name | OVH-CUST-281059686 |
| CIDR Block | 54.39.210.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | proxy-ca007-san254.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca007-san254.ahrefs.net |
๐ DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 โ Basic operator with some routing infrastructure |
๐ 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 | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 4 |
| routing | 27% | 2 | 3 |
| services | 15% | 2 | 2 |
| ownership | 37% | 3 | 5 |
| reputation | 28% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 29% | 12 | 20 |
| Data Coherence | Mostly Consistent (80%) โ 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-21 21:01:08 UTC |
| Last Seen | 2026-06-28 16:42:11 UTC |
| Profile Built | 2026-06-29 04:46:31 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 30 |
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