208.77.21.10
IP address 208.77.21.10 was assigned a Low Risk reputation with a risk score of 25. Ownership records identified the IP under ASN 11878 (Private Customer) within the TZULO-DOT1MEDIA network, with geolocation data locating the host in Chicago, Illinois, US. Network scans detected no open ports, indicating the host was firewalled or provided no active services. DNS analysis confirmed forward resolution to static-208-77-21-10.cust.tzulo.com with SPF and DMARC records present. While the threat actor classification labeled the host as Suspicious Host, no specific threat indicators or blacklist listings were found. The neighborhood was classified as clean with low abuse density. The profile recommended monitoring the IP with low severity due to the clean neighborhood classification and lack of active threat
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Private Customer |
| ASN | AS11878 |
| Network Name | TZULO-DOT1MEDIA |
| CIDR Block | 208.77.21.0/24 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | static-208-77-21-10.cust.tzulo.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | static-208-77-21-10.cust.tzulo.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | 43% | 2 | 5 |
| routing | 30% | 3 | 4 |
| services | 19% | 2 | 2 |
| ownership | 30% | 3 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 42% | 2 | 3 |
| Overall | 29% | 13 | 19 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-06 15:48:31 UTC |
| Last Seen | 2026-09-24 16:43:01 UTC |
| Profile Built | 2026-09-24 17:24:54 UTC |
| Data Freshness | Live |
| Signal Types | 28 |
| Total Observations | 36 |
Full dossier details are available via our API.