## IP Intelligence Briefing: 45.156.129.117/32
Executive Summary
IP 45.156.129.117 presents as a low-risk infrastructure endpoint with no active threat indicators. The address is associated with Data Operations (ASN 211680, INAP-CHI-1) in the US East (Boston region) and resolves to internet-census.org infrastructure. No recommended mitigation actions required based on current risk profile.
Threat Profile
- Risk Score: 0 (Low Risk)
- Reputation: Low Risk
- Abuse Confidence: N/A
- Blacklist Status: Clean (0 blacklist listings)
- Tor/Exit Node: No
- Known Attacker: No
- Spam Source: No
Network Classification
- ASN: 211680 (Data Operations)
- Network: INAP-CHI-1 (45.156.129.0/24)
- RIR: ARIN
- Geolocation: United States (MA/Boston region)
- Network Role: Firewalled/No Services
- Infrastructure: Not CDN/Cloud/VPN/Proxy infrastructure
DNS & Resolution
- PTR Record: sh-chi-us-gp6-wk110c.internet-census.org
- Forward Resolution: Confirmed to internet-census.org
- DNSSEC: Valid
- HTTP Services: None detected (no TLS certificates or HTTP titles)
Observation History
Sixteen historical observations recorded, with most recent activity on 2026-07-25. Signals show:
- Geolocation inference from US (confidence: 0.28)
- DNS resolution to internet-census.org (confidence: 0.90)
- No threat persistence indicators
- No malicious campaign correlations
Neighborhood Analysis (45.156.129.0/24)
- Total Subnet Size: 65 addresses
- Abuse Density: 0
- Risk Distribution: 23 medium-risk, 42 low-risk, 0 high-risk
- Notable Neighbors: 45.156.129.60 (risk: 40), 45.156.129.61 (risk: 40), 45.156.129.65 (risk: 25)
Relationships
- Network Association: INAP-CHI-1 (repeated)
- DNS Association: sh-chi-us-gp6-wk110c.internet-census.org
- No correlated campaign activity
Recommended Actions
No immediate remediation or blocking required. The IP exhibits normal infrastructure behavior with no evidence of malicious activity. Monitor for changes in reputation score or emergence of threat indicators.
SOC Analyst Notes
This IP appears to be part of internet monitoring/telemetry infrastructure (internet-census.org). The subnet shows mixed risk levels but the target IP itself is clean. No correlation to known threat campaigns or malicious behavior patterns observed.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Data Operations |
| ASN | AS211680 |
| Network Name | INAP-CHI-1 |
| CIDR Block | 45.156.129.0/24 |
| RIR | ARIN |
| Country | US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | sh-chi-us-gp6-wk110c.internet-census.org |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | sh-chi-us-gp6-wk110c.internet-census.org |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | 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 | AS211680 |
| Network Prefix | 45.156.129.0/24 |
| Route mapping | Found |
🎯 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 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 4% | 1 | 2 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-09 07:24:32 UTC |
| Last Seen | 2026-09-29 20:37:04 UTC |
| Profile Built | 2026-09-09 15:15:28 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 45.156.129.117
Who owns the IP address 45.156.129.117?
45.156.129.117 is registered to Data Operations. The address falls within the 45.156.129.0/24 network block. Registration is held at ARIN.
Where is 45.156.129.117 located?
Geolocation data places 45.156.129.117 in Boston, MA, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 45.156.129.117 malicious or safe?
45.156.129.117 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 45.156.129.117?
The reverse DNS (PTR) record for 45.156.129.117 is sh-chi-us-gp6-wk110c.internet-census.org. This hostname is forward-confirmed, meaning it resolves back to the same address.