104.18.11.77
Intelligence Briefing: IP 104.18.11.77
The profile for 104.18.11.77 identified the address as a Cloudflare CDN endpoint (ASN 13335) located in the US-NY region. Ownership verification confirmed registration under Cloudflare, Inc. within the CLOUDFLARENET CIDR block. The network role classified the address as a Web Server with a risk score of 30 (Low Risk).
Security monitoring observed open TCP ports 80, 443, 8080, and 8443, with a server banner indicating "cloudflare". While the IP itself was not flagged as a known attacker or spam source, control plane data recorded one DNSBL listing against a total of eight lists. Neighborhood analysis showed a 25% abuse density with one active sibling threat within the 104.18.11.0/24 subnet.
Analysts classified the host as a Suspicious Host with moderate severity. Recommendations indicated a need for rate limiting to mitigate potential abuse. Security teams should consider applying rate-limiting rules consistent with the following configurations:
* iptables: `iptables -A INPUT -s {ip} -m limit --limit 5/min -j ACCEPT`
* nginx: `limit_req zone=ipdebrief burst=5;`
* pf: `pass in on egress from {ip} max-pkt-rate 5/1`
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Cloudflare, Inc. |
| ASN | AS13335 |
| Network Name | CLOUDFLARENET |
| CIDR Block | 104.16.0.0/12 |
| RIR | ARIN |
| Country | United States |
| 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 | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Web Server |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| 8080 | http-alt | tcp | — |
| 8443 | https-alt | tcp | — |
| Closed Ports | 22, 25, 3389 (4 open / 7 scanned) | ||
| Server | cloudflare |
| 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 | 33% | 2 | 6 |
| routing | 13% | 1 | 1 |
| services | 27% | 2 | 4 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 4 |
| geolocation | 19% | 2 | 2 |
| Overall | 23% | 10 | 20 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-30 23:51:55 UTC |
| Last Seen | 2026-09-27 13:57:24 UTC |
| Profile Built | 2026-09-27 14:35:54 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 41 |
Full dossier details are available via our API.