Ever encountered the mysterious IP address 111.90.150.1888? This unique numerical sequence has sparked curiosity among tech enthusiasts and everyday internet users alike. While it appears to follow the format of a standard IP address, its structure reveals some unusual characteristics worth exploring.
The number 111.90.150.1888 doesn’t conform to conventional IPv4 addressing rules, which typically limit each segment to values between 0 and 255. This irregularity has led to various interpretations about its purpose and origin. Whether it’s a mistyped address, a specialized network identifier, or something entirely different, understanding the context behind such numerical sequences helps demystify the complex world of internet addressing systems.
Understanding IP Address 111.90.150.1888
The IP address 111.90.150.1888 presents an anomaly in standard IP addressing conventions. Traditional IPv4 addresses consist of four numeric segments separated by periods, with each segment ranging from 0 to 255. The presence of “1888” in the final octet immediately identifies this as non-standard, since it exceeds the maximum value of 255 permitted in IPv4 addressing.
This unusual format suggests several possibilities:
- Typographical Error – The most likely explanation is a simple typing mistake, where the correct address might be 111.90.150.188
- Masked Address – Some organizations intentionally modify public-facing IP addresses for security purposes
- Custom Notation – Rarely, proprietary systems use non-standard IP formats for internal identification
- Port Number Inclusion – The “1888” could represent an IP address with an appended port number missing the colon separator (e.g., 111.90.150.18:88)
Network administrators and cybersecurity professionals recognize these irregular IP patterns as potential flags requiring further investigation. When encountering such addresses in logs or communications, proper validation against established networking standards is essential.
The address 111.90.150.1888 doesn’t conform to IPv6 formatting either, which uses hexadecimal notation and colons rather than decimals and periods. This further confirms its invalid nature within established internet protocols.
What Is 111.90.150.1888 and Who Owns It?
111.90.150.1888 isn’t a valid IP address in standard networking protocols, making ownership attribution challenging. This address contains an octet (1888) that exceeds the maximum value of 255 permitted in IPv4 addressing, indicating it’s either a misrepresentation or a non-standard notation.
Geographic Location and ISP Information
Standard geolocation services can’t accurately pinpoint 111.90.150.1888 due to its non-conformity with IP addressing standards. If interpreted as a valid prefix (111.90.150), this range belongs to IP blocks allocated to European networks, specifically in the Netherlands region. The registered autonomous system for the 111.90.x.x range is typically associated with LeaseWeb, a Dutch hosting provider that maintains extensive data center operations across multiple European locations. LeaseWeb manages numerous IP blocks for hosting services, cloud infrastructure, and dedicated server offerings to international clients.
Network Classification and Usage
The network classification for 111.90.150.1888 remains indeterminate due to its invalid format. The legitimate 111.90.150.x subnet operates as part of commercial hosting infrastructure primarily used for data centers and cloud services. These IP ranges commonly host websites, virtual private servers, gaming servers, and business applications. Network traffic from these ranges typically displays patterns consistent with hosting operations, including higher-than-average bandwidth utilization and multiple simultaneous connections. Security researchers often monitor these ranges as they frequently serve as infrastructure for both legitimate business operations and, occasionally, questionable activities requiring investigation by network administrators.
Technical Analysis of 111.90.150.1888
Technical examination of 111.90.150.1888 reveals multiple protocol inconsistencies that confirm its invalid nature while providing insights into how such addresses interact with networking systems. Detailed analysis helps identify both the technical impossibilities and potential interpretations of this non-standard address format.
IP Range and Subnet Properties
The address 111.90.150.1888 contains fundamental structural flaws when evaluated against IPv4 standards. IPv4 addresses consist of four octets separated by periods, with each octet limited to 8 bits (values 0-255). The final segment “1888” exceeds this range by a significant margin, requiring more than 11 bits to represent. If interpreted as a partial address with the valid prefix 111.90.150, this would belong to a /24 subnet with 256 possible host addresses (111.90.150.0 through 111.90.150.255). The CIDR notation for this network would be 111.90.150.0/24, indicating the first 24 bits define the network portion. Packet routing tables within the global internet infrastructure don’t recognize addresses with out-of-range octets, causing immediate rejection at router boundaries and preventing any legitimate network traffic from reaching such destinations.
Connection Performance Metrics
Connection attempts to 111.90.150.1888 yield consistent failure patterns across all standard networking tools. Ping tests return “Destination Host Unreachable” errors, while traceroute commands typically terminate after reaching the last valid router in the path. Network latency measurements remain impossible due to the unroutable nature of the address. Packet loss to this destination is effectively 100%, as no packets can complete the journey. Bandwidth testing tools cannot establish connections to measure throughput capabilities. TCP handshakes fail during the initial SYN packet stage, preventing any TCP-based protocols (HTTP, FTP, SMTP) from establishing connections. DNS reverse lookup attempts return no results, as the address falls outside allocatable ranges in global DNS systems. Standard network monitoring tools like MTR (My Traceroute) show packets dropping at border routers where addressing validation occurs, confirming the technical impossibility of establishing meaningful connections to this non-conformant address.
Security Concerns Related to 111.90.150.1888
Security implications surrounding 111.90.150.1888 deserve careful examination despite its invalid format. The irregularity of this address raises red flags among cybersecurity professionals who routinely monitor unusual network activities and non-standard addressing patterns.
Known Security Incidents
No documented security incidents directly link to 111.90.150.1888 due to its technical impossibility as a valid destination. However, the legitimate subnet 111.90.150.x has appeared in several security reports. LeaseWeb’s IP ranges, including portions of the 111.90.150.x subnet, have been identified in connection with various malicious activities such as spam operations, phishing campaigns, and botnet command-and-control servers. These incidents typically involve specific addresses within the valid range rather than the impossible 111.90.150.1888 notation. Security researchers at organizations like Spamhaus and AbuseIPDB have documented multiple cases where addresses in proximity to this range hosted malicious content or participated in distributed denial-of-service attacks. The pattern of misuse tends to correlate with compromised hosting accounts rather than direct involvement by the infrastructure provider.
Blacklist Status Assessment
The invalid address 111.90.150.1888 doesn’t appear on major blacklists because security systems automatically filter out improperly formatted IPs. Examining reputable threat intelligence platforms reveals that while 111.90.150.1888 isn’t listed, several addresses within the legitimate 111.90.150.x range have blacklist histories. Major reputation monitoring services including Talos Intelligence, AbuseIPDB, and Blocklist.de show varying trust scores for IPs in this subnet, with some addresses flagged for suspicious activities. The dynamic nature of hosting environments means blacklist status changes frequently as malicious actors move between compromised servers. Security platforms typically categorize the broader 111.90.150.0/24 subnet as “medium risk” based on historical patterns rather than current threats. Organizations implementing security policies should evaluate addresses from this range individually rather than blocking the entire subnet, as it contains both legitimate services and potentially problematic hosts.
How to Check if 111.90.150.1888 Is Affecting Your Network
Detecting the presence of irregular IP addresses like 111.90.150.1888 in network traffic requires systematic investigation using standard networking tools. Network administrators can employ multiple diagnostic approaches to identify if this invalid address is impacting system performance or security.
Troubleshooting Connection Issues
Network connection problems potentially linked to 111.90.150.1888 can be diagnosed through several targeted methods. Start by examining network logs in routers and firewalls for any attempted connections to or from this invalid address format. Run netstat -an in command prompt to display all active connections and listening ports, searching specifically for any entries containing segments of 111.90.150. Check DNS resolution issues by clearing the local DNS cache with ipconfig /flushdns on Windows systems or /etc/init.d/nscd restart on Linux-based operating systems. For persistent problems, packet capture tools like Wireshark provide detailed traffic analysis capabilities, enabling filtering for specific address patterns that might reveal communication attempts with malformed IPs.
Monitoring Tools and Methods
Effective monitoring for invalid IP addresses requires specialized tools designed to detect anomalous network behavior. Configure intrusion detection systems like Snort or Suricata with custom rules to flag traffic containing non-standard IP formats, including segments that exceed the 0-255 range. Network monitoring platforms such as Nagios, PRTG, or SolarWinds offer real-time traffic analysis with customizable alerts for suspicious connection attempts. Implement log aggregation solutions like Graylog or ELK Stack to centralize and analyze network logs across multiple devices, creating visualizations that highlight traffic patterns involving unusual IP addresses. For enterprise environments, Security Information and Event Management (SIEM) solutions provide comprehensive monitoring capabilities with correlation rules to identify potential security incidents involving non-standard network addresses like 111.90.150.1888.
Conclusion
The address 111.90.150.1888 stands as a perfect example of how non-standard IP formats can create confusion in networking environments. Its invalid structure with an octet exceeding 255 makes it technically impossible to exist within proper IPv4 protocols.
While the address itself cannot be legitimate the surrounding subnet 111.90.150.x operates as part of LeaseWeb’s Netherlands-based hosting infrastructure that serves both legitimate businesses and occasionally problematic actors.
Understanding such anomalies helps network administrators better protect their systems and recognize potential security threats. Organizations should remain vigilant about traffic from this subnet through comprehensive monitoring tools and properly configured security systems that can distinguish between valid and invalid addressing formats.
