ABUSE.MOM
THREAT REPORT

IP Threat Report
23.100.100.188

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 11:32:52
First seen: 2026-03-19 22:00:07
Last seen: 2026-03-22 01:00:09
255

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 255/100. Total malicious requests observed: 41.

DANGER_PATHBURSTRATIO_404
01

Geolocation & Classification

IP Address
23.100.100.188
Type
Hosting
Country
🇯🇵 Japan
City
Tokyo
ISP
Microsoft Corporation
Organization
Microsoft Azure Cloud (japaneast)
Autonomous System
AS8075 Microsoft Corporation
Hit Count
41
02

Detection Signatures

SignatureDescriptionPointsSeverity
Danger strong hits: 14High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 29Medium-risk: admin panels, config files+60
Burst: 11 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 39 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 38 req / 10sAbnormally fast request rate — automated scanning+35
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Burst: 12 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 40 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 41 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 27High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 36Medium-risk: admin panels, config files+60
Burst: 42 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 1High-risk paths: shells, RCE vectors, exploits+25
Danger medium hits: 25Medium-risk: admin panels, config files+60
Burst: 31 req / 10sAbnormally fast request rate — automated scanning+35
Σ = 710
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

2026-03-19 22:00:07
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Danger strong hits: 14 (+100), Danger medium hits: 29 (+60), Burst: 11 req / 2s (+35)
2026-03-22 01:00:09
Last malicious request observed
Total score reached: 255/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Microsoft Corporation
AS8075 · 🇯🇵 Japan
06

Recommendations

Actions taken & recommended

  • IP 23.100.100.188 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 23.100.100.188 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🔎 Path Enumeration Protection

Block scanning from 23.100.100.188: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

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

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

10

Threat Analysis

23.100.100.188 has been assigned a threat score of 255/100 (Critical). A score this high marks a critical threat actor. This address has demonstrated persistent, aggressive malicious behavior across multiple detection vectors.

The following attack categories were identified:

Request FloodingPath Enumeration

📊 Threat Analysis

Our monitoring infrastructure has identified 23.100.100.188, geolocated to Tokyo, Japan, operating on the network of Microsoft Corporation, as a source of suspicious network activity. The address has been active for 2 days in our monitoring system, producing 41 flagged requests at a rate of ~20.5/day. The IP is classified as hosting/datacenter infrastructure, commonly associated with rented servers used for automated attack campaigns, botnet command-and-control, or vulnerability scanning at scale. Two attack patterns were identified (Request Flooding and Path Enumeration), suggesting a semi-automated campaign that targets multiple vulnerabilities. Japan currently accounts for 101 blocked IPs in our database, making it a significant source of malicious traffic. At 255/100, this is an extremely high-risk address. All traffic should be considered hostile.

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

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🏢 Same network: AS8075

20.89.56.154 (280)20.27.221.169 (280)20.210.188.132 (280)20.194.153.120 (280)104.46.236.39 (280)View all →
12

Security Intelligence

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💡 Emerging Threats from AI-Powered Attacks

Artificial intelligence enables more convincing phishing content, faster vulnerability discovery, and adaptive attack strategies that learn from defensive responses. AI-generated social engineering and automated exploit development represent growing threats.

🔍 Check Any IP Address

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