Intelligence analysis of 91.189.91.62 classified the address as Low Risk with a risk score of 0. Reverse DNS resolution confirmed the hostname connectivity-check-ubuntu-com-6.ps6.canonical.com, indicating legitimate infrastructure usage. The endpoint remained firewalled with no open services or ports detected. Threat indicators were absent, with zero blacklist entries and no known attacker associations. DNS hygiene was rated Excellent, featuring valid SPF, DMARC, and CAA records. The control plane originated from ASN 41231 within the 91.189.91.0/24 prefix. Behavioral analysis showed no enumeration strikes or honeypot hits. The system recommended an Allow action with info severity based on the forward-confirmed reverse DNS.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Canonical Ltd Admin |
| ASN | AS41231 |
| Network Name | CANONICAL-CORE |
| CIDR Block | 91.189.88.0/21 |
| RIR | RIPE |
| Country | GB |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | connectivity-check-ubuntu-com-6.ps6.canonical.com |
| Forward Confirmed | Yes โ FCrDNS verified |
| Forward Hostnames | connectivity-check-ubuntu-com-6.ps6.canonical.com |
๐ DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | 3/3 domains |
| DMARC | 3/3 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
| Domains Checked | 3 domains |
โ๏ธ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Tier 3 โ Basic operator with some routing infrastructure |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | โ |
| 443 | https | tcp | โ |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | connectivity-check.ubuntu.com |
| Valid From | 2026-08-24T08:13:33+00:00 |
| Valid Until | 2026-11-22T08:13:32+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 89 days |
| Serial Number | 050AB7C3DF16EAFF96FBF0ED415C4FEFAC4F |
| Thumbprint | 74B7C845CE0226EE73F62105D07013E4B2F18AB9 |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 4 |
| routing | 30% | 3 | 4 |
| services | 33% | 2 | 4 |
| ownership | 30% | 3 | 4 |
| reputation | 22% | 1 | 3 |
| geolocation | 42% | 2 | 3 |
| Overall | 31% | 13 | 22 |
| Data Coherence | Mixed Signals (60%) โ 2 contradiction(s) |
| Attribution | Low (40%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
โ Geo sources disagree on country: US, GB
๐ Observation Timeline ๐ Live
| First Seen | 2026-09-13 19:58:20 UTC |
| Last Seen | 2026-09-25 02:10:36 UTC |
| Profile Built | 2026-09-25 02:16:30 UTC |
| Data Freshness | Live |
| Signal Types | 30 |
| Total Observations | 41 |
Full dossier details are available via our API.