ABUSE.MOM
THREAT REPORT

IP Threat Report
5.3.218.213

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-22 14:35:02
First seen: 2026-03-18 09:26:54
Last seen: 2026-03-18 09:39:06
70

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 70/100. Total malicious requests observed: 2.

FORM_SPAM
01

Geolocation & Classification

IP Address
5.3.218.213
Type
Residential
Country
🇷🇺 Russia
City
Nizhniy Novgorod
ISP
JSC "ER-Telecom Holding" Nizhny Novgorod branch
Organization
JSC "ER-Telecom Holding" Nizhny Novgorod
Autonomous System
AS42682 JSC ER-Telecom Holding
Hit Count
2
02

Detection Signatures

SignatureDescriptionPointsSeverity
Form spam: no_js_checkSpam/malware keywords in request content+0
Σ = 0
03

Observed Activity

Reconstructed HTTP requests from server access logs. Target domains redacted for security.

[redacted]
GET
/
200
Requests shown: 1 · HTTP 404: 0 · Dangerous patterns: 0

* Typical request patterns for detected signatures. Actual target domains are redacted.

04

Timeline

2026-03-18 09:26:54
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Form spam: no_js_check
2026-03-18 09:39:06
Last malicious request observed
Total score reached: 70/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

JSC "ER-Telecom Holding" Nizhny Novgorod branch
AS42682 · 🇷🇺 Russia
06

Recommendations

Actions taken & recommended

  • IP 5.3.218.213 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • Other malicious IPs detected in the same /24 subnet — consider blocking 5.3.218.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

📧 Content Abuse Prevention

IP 5.3.218.213 is flooding forms with spam. Implement time-based tokens and block IPs submitting more than 5 forms per hour.

07

Neighbors in 5.3.218.0/24

Other blocked IPs from the same /24 subnet — indicates systematic abuse from this network range.

08

Open Ports & Services

Network reconnaissance data from Shodan. Open ports may indicate running services, misconfigurations, or potential attack surfaces.

OPEN PORTS (1)
PortServiceRiskDescription
7547UnknownLowService on port 7547
Hostnames: 5x3x218x213.dynamic.nn.ertelecom.ru
PTR: 5x3x218x213.dynamic.nn.ertelecom.ru

Data source: Shodan InternetDB. Scanned independently of abuse.mom.

09

Blacklist Status (DNSBL)

This IP was checked against major DNS-based blacklists used by mail servers and firewalls worldwide.

⛔ LISTED
zen.spamhaus.org
✓ Clean
dnsbl.sorbs.net
✓ Clean
ix.dnsbl.manitu.net
✓ Clean
bl.spamcop.net
✓ Clean
dnsbl-1.uceprotect.net
✓ Clean
psbl.surriel.com
✓ Clean
b.barracudacentral.org
✓ Clean
truncate.gbudb.net

Checked: Spamhaus, SpamCop, Barracuda, SORBS, CBL, UCEProtect. Results may change over time.

10

Threat Analysis

5.3.218.213 has been assigned a threat score of 70/100 (High). The IP is rated as a high-level threat. Network administrators should implement blocking rules and monitor for any connections from this address.

📊 Threat Analysis

Our monitoring infrastructure has identified 5.3.218.213, geolocated to Nizhniy Novgorod, Russia, operating on the network of JSC "ER-Telecom Holding" Nizhny Novgorod branch, as a source of suspicious network activity. During its 1-day observation window, we recorded 2 hostile requests from this IP — roughly 2 per day on average. This residential IP is likely a compromised consumer device. Home routers and IoT equipment with default credentials are prime targets for botnet operators. Russia currently accounts for 179 blocked IPs in our database, making it a significant source of malicious traffic. At 70/100, this IP warrants immediate defensive action.

This IP is classified as residential, suggesting it may belong to a compromised home device, IoT botnet member, or an infected personal computer. Residential IPs involved in attacks often indicate malware infection without the owner's knowledge.

11

Related Threats

🇷🇺 Top threats from Russia

157.22.102.172 (313)178.130.54.159 (288)95.182.125.201 (265)72.56.191.6 (265)91.240.87.225 (263)View all →

🏢 Same network: AS42682

5.3.217.81 (70)5.3.217.60 (70)5.3.221.123 (70)5.3.221.235 (70)5.3.222.1 (70)View all →
12

Security Intelligence

💡 SQL Injection Campaigns

SQL injection remains one of the most common web attack vectors. Attackers inject malicious SQL code through input fields to extract database contents, modify data, or gain administrative access. Automated scanners test for SQLi vulnerabilities at massive scale.

💡 Bulletproof Hosting Ecosystem

Bulletproof hosting providers deliberately ignore abuse complaints, creating safe havens for malicious operations. These providers often operate in jurisdictions with weak cybercrime enforcement, offering services specifically marketed to criminal organizations.

🔍 Check Any IP Address

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