ABUSE.MOM
THREAT REPORT

IP Threat Report
57.129.137.193

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 07:37:11
First seen: 2026-02-19 10:00:07
Last seen: 2026-04-29 08:00:11
95

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 95/100. Total malicious requests observed: 3.

UA_CHANGEDBURST
01

Geolocation & Classification

IP Address
57.129.137.193
Type
Hosting
Country
🇬🇧 United Kingdom
City
Bexley
ISP
OVH SAS
Organization
OVH Ltd
Autonomous System
AS16276 OVH SAS
Hit Count
3
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA changed for same IPMultiple User-Agents — bot rotation technique+25
Burst: 12 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 12 req / 10sAbnormally fast request rate — automated scanning+35
Σ = 95
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

2026-02-19 10:00:07
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA changed for same IP (+25), Burst: 12 req / 2s (+35), Burst: 12 req / 10s (+35)
2026-04-29 08:00:11
Last malicious request observed
Total score reached: 95/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

OVH SAS
AS16276 · 🇬🇧 United Kingdom
06

Recommendations

Actions taken & recommended

  • IP 57.129.137.193 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 57.129.137.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🤖 User-Agent Anomaly Defense

IP 57.129.137.193 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

🌊 Traffic Flood Defense

IP 57.129.137.193 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

07

Neighbors in 57.129.137.0/24

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
22SSHLowSecure Shell — common brute force target for remote access
DETECTED TECHNOLOGIES
linux:linux_kernelopenbsd:openssh:9.2p1debian:debian_linux
Hostnames: vps-4f1d1f7c.vps.ovh.net
PTR: vps-4f1d1f7c.vps.ovh.net

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.

✓ Clean
Spamhaus ZEN

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

10

Threat Analysis

57.129.137.193 has been assigned a threat score of 95/100 (Critical). This places it in the critical threat category. Immediate blocking is strongly advised across all network perimeters.

The following attack categories were identified:

User-Agent AnomalyRequest Flooding

📊 Threat Analysis

Network traffic from 57.129.137.193, located in Bexley, United Kingdom, operating on the network of OVH SAS, has been classified as malicious by our automated threat scoring engine. The address has been active for 68 days in our monitoring system, producing 3 flagged requests at a rate of ~0/day. Operating from datacenter infrastructure, this IP is typical of addresses used in organized attack operations. Cloud and VPS providers are commonly exploited as launching platforms for automated scanning. Two attack patterns were identified (User-Agent Anomaly and Request Flooding), suggesting a semi-automated campaign that targets multiple vulnerabilities. United Kingdom currently accounts for 107 blocked IPs in our database, making it a significant source of malicious traffic. A score of 95/100 places this address in the top tier of severity. Block and investigate any historical connections.

This IP belongs to a hosting or data center provider. Malicious traffic from hosting infrastructure often originates from compromised VPS instances, rented servers used for scanning campaigns, or abused free-tier cloud accounts. Hosting providers typically respond to abuse reports within 24-72 hours.

11

Related Threats

🇬🇧 Top threats from United Kingdom

104.28.240.60 (340)104.28.208.60 (340)91.230.225.3 (305)45.86.203.224 (305)45.86.203.35 (305)View all →

🏢 Same network: AS16276

51.38.99.224 (280)151.243.236.245 (275)54.37.156.148 (273)146.59.235.113 (263)51.83.98.78 (255)View all →
12

Security Intelligence

💡 User-Agent Analysis Techniques

Analyzing User-Agent strings reveals automated tools masquerading as legitimate browsers. Inconsistencies between claimed browser capabilities and actual behavior, impossible version combinations, and known scanner signatures help identify malicious clients.

💡 Responsible Disclosure Ethics

Responsible disclosure balances public safety with giving vendors time to patch vulnerabilities. The security community generally supports coordinated disclosure timelines, but disagreements about appropriate timeframes and full disclosure continue to drive policy debates.

🔍 Check Any IP Address

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