ABUSE.MOM
THREAT REPORT

IP Threat Report
212.129.83.4

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-26 23:14:20
First seen: 2026-05-18 01:00:08
Last seen: 2026-05-24 10:21:16
105

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 105/100. Total malicious requests observed: 656.

BURSTREFERERUA_CHANGED
01

Geolocation & Classification

IP Address
212.129.83.4
Type
Residential
Country
🇮🇪 Ireland
City
Dublin
ISP
METEOR-GPRS
Organization
Unknown
Autonomous System
AS15751 Eircom Limited
Hit Count
656
02

Detection Signatures

SignatureDescriptionPointsSeverity
Burst 32/2sAbnormally fast request rate — automated scanning+35
Burst 33/10sAbnormally fast request rate — automated scanning+35
Burst: 32 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 33 req / 10sAbnormally fast request rate — automated scanning+35
Foreign refererReferer from unrelated external domain+10
UA changedMultiple User-Agents — bot rotation technique+25
UA changed for same IPMultiple User-Agents — bot rotation technique+25
Σ = 200
03

Observed Activity

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

[redacted]
GET
/
200
[redacted]
GET
/page
200
Requests shown: 2 · HTTP 404: 0 · Dangerous patterns: 0

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

04

Timeline

2026-05-18 01:00:08
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Burst 32/2s (+35), Burst 33/10s (+35), Burst: 32 req / 2s (+35)
2026-05-24 10:21:16
Last malicious request observed
Total score reached: 105/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

METEOR-GPRS
AS15751 · 🇮🇪 Ireland
06

Recommendations

Actions taken & recommended

  • IP 212.129.83.4 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🌊 Traffic Flood Defense

IP 212.129.83.4 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🤖 User-Agent Anomaly Defense

IP 212.129.83.4 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

09

Blacklist Status (DNSBL)

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

✓ Clean
spam.dnsbl.sorbs.net
✓ Clean
zen.spamhaus.org
✓ Clean
bl.blocklist.de
✓ Clean
bl.spamcop.net
✓ Clean
cbl.abuseat.org
✓ Clean
dnsbl.dronebl.org
✓ Clean
psbl.surriel.com
✓ Clean
b.barracudacentral.org

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

10

Threat Analysis

212.129.83.4 has been assigned a threat score of 105/100 (Critical). This is a critical-level threat. Systems administrators should treat this IP as hostile and block all inbound connections without exception.

The following attack categories were identified:

Request FloodingUser-Agent Anomaly

📊 Threat Analysis

Our monitoring infrastructure has identified 212.129.83.4, geolocated to Dublin, Ireland, operating on the network of METEOR-GPRS, as a source of suspicious network activity. Our sensors captured 656 malicious requests from this address across a 6-day span, reflecting a sustained attack cadence of ~109.3 requests per day. This residential IP is likely a compromised consumer device. Home routers and IoT equipment with default credentials are prime targets for botnet operators. The dual attack vectors of Request Flooding combined with User-Agent Anomaly indicate a coordinated assault rather than opportunistic scanning. Ireland currently accounts for 101 blocked IPs in our database, making it a significant source of malicious traffic. A score of 105/100 places this address in the top tier of severity. Block and investigate any historical connections.

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 Ireland

40.69.27.251 (280)20.166.38.178 (280)40.113.19.56 (280)40.112.95.11 (280)52.169.119.118 (280)View all →

🏢 Same network: AS15751

View all →
12

Security Intelligence

💡 DDoS Mitigation Approaches

Distributed denial of service attacks overwhelm infrastructure with traffic volume. Effective mitigation combines always-on traffic scrubbing, anycast network distribution, rate limiting, and the ability to quickly scale absorption capacity during attacks.

💡 Open Redirect Exploitation

Open redirect vulnerabilities allow attackers to redirect users from trusted domains to malicious sites. While often underestimated, these flaws enable convincing phishing, token theft through redirect-based OAuth flows, and SSRF chains.

🔍 Check Any IP Address

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