ABUSE.MOM
THREAT REPORT

IP Threat Report
157.66.56.30

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-09-08 04:42:41
First seen: 2026-08-20 18:08:41
Last seen: 2026-08-23 02:02:47
95

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 95/100. Total malicious requests observed: 58.

BURSTUA_CHANGED
01

Geolocation & Classification

IP Address
157.66.56.30
Type
Residential
Country
🇮🇩 Indonesia
City
Palembang
ISP
Sriwijaya Utama Karya
Organization
Unknown
Autonomous System
AS58477 Argon Data Communication
Hit Count
58
02

Detection Signatures

SignatureDescriptionPointsSeverity
Burst 15/10sAbnormally fast request rate — automated scanning+35
Burst 6/2sAbnormally fast request rate — automated scanning+35
UA changedMultiple User-Agents — bot rotation technique+25
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

2026-08-20 18:08:41
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Burst 15/10s (+35), Burst 6/2s (+35), UA changed (+25)
2026-08-23 02:02:47
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

Sriwijaya Utama Karya
AS58477 · 🇮🇩 Indonesia
06

Recommendations

Actions taken & recommended

  • IP 157.66.56.30 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 157.66.56.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 157.66.56.30.

🤖 User-Agent Anomaly Defense

IP 157.66.56.30 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

07

Neighbors in 157.66.56.0/24

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

09

Blacklist Status (DNSBL)

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

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

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

10

Threat Analysis

157.66.56.30 has been assigned a threat score of 95/100 (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

IP address 157.66.56.30 has been traced to Palembang, Indonesia, operating on the network of Sriwijaya Utama Karya. Our threat detection systems have flagged this address based on observed malicious behavior patterns. Our sensors captured 58 malicious requests from this address across a 2-day span, reflecting a sustained attack cadence of ~29 requests per day. Operating from a residential network, this IP may represent a compromised home gateway or IoT device that has been drafted into a larger attack infrastructure. Two attack patterns were identified (Request Flooding and User-Agent Anomaly), suggesting a semi-automated campaign that targets multiple vulnerabilities. Indonesia currently accounts for 112 blocked IPs in our database, making it a significant source of malicious traffic. With a threat score of 95/100, this IP is among the most dangerous addresses in our database. Immediate and complete blocking is strongly recommended.

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 Indonesia

157.15.40.62 (340)157.15.40.88 (340)157.15.40.89 (340)157.15.40.61 (340)157.15.40.93 (340)View all →

🏢 Same network: AS58477

157.66.56.55 (185)157.66.56.34 (60)157.66.56.43 (60)157.66.56.51 (60)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.

💡 TLS Certificate Misconfigurations

Expired, self-signed, or misconfigured TLS certificates create security vulnerabilities and trust issues. Certificate monitoring, automated renewal through ACME protocols, and proper certificate chain configuration prevent both security gaps and service disruptions.

🔍 Check Any IP Address

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