135.181.136.158
135.181.136.158 - IP Info
Detection Information
The following page provides details on applications, protocols, hostnames, network point-of-presence, and more. You can access the full data set via the Netify Data Feed API.
IP Stack Summary
Layer | Details | Category |
---|---|---|
Application |
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Cybersecurity |
Platform |
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Hosting |
Network |
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Hosting |
Geo Cluster
Top countries connecting to 135.181.136.158:
ItalySouth Africa
IP Info
IP Address | 135.181.136.158 | On the Hetzner Network |
Hostname | mail.rspamd.net | - |
Security Authority | rspamd.com | Associated with Rpsamd |
Routing Info
ASN | AS24940 |
ASN Route | 135.181.0.0/16 |
ASN Organization | Hetzner Online GmbH |
Location | Finland |
The ASN (Autonomous System Number) provides routing and location information for traffic flowing to this IP address.
Application

Rspamd is an advanced spam filtering system supporting a variety of filtering mechanisms including regular expressions, statistical analysis and custom services such as URL black lists.
Some IP addresses can be shared across multiple applications, especially on content delivery networks (CDNs). However, it looks like 135.181.136.158 is dedicated to Rpsamd.
Applications
The following is a sample of applications that were detected on this IP address.
Application | Category | Byte % | Flow % | Bytes / Flow |
---|---|---|---|---|
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Cybersecurity | > 99.9+ | > 99.9+ | 900 |
Platform

Hetzner is a webhosting provider and experienced datacenter operator in Germany. The company provides business clients with high-performance hosting products.
Most applications are built on top of third party platforms and infrastructure: cloud computing, content delivery networks, marketing engines, etc.
Network

Hetzner manages the underlying network for traffic going to/from this IP address.
Hetzner manages their own in-house network through private data centers and Internet exchanges.
Notable Hostnames
- fuzzy2.rspamd.com
- rspamd.com
- rspamd.org
- and 1 more
The list of notable hostnames that were detected on this IP address come from not only DNS requests, but also HTTP headers, TLS certificates, DNS hinting, and other deep packet inspection methods.
Protocol Stats
The following is a sample of protocols that were detected on this IP address.
IP Protocol | Protocol | Port | Byte % | Flow % | Average Bytes / Flow |
TCP | HTTPS | 443 | 11.5 | < 1 | 46,000 |
Data Feed API
The data shown here is also available via our Data Feed API. You can find more information on the Data Feed information page.
"data": {
"tag": "netify.twitter",
"label": "Twitter",
"shared_ip_detected": true,
"category": {
"id": 24,
"tag": "social-media",
"label": "Social Media"
},
...
"network_list": [
{
"network": "104.123.31.44/32",
"version": "ipv4",
"detection_type": "ai",
"shared": false,
"platform": {
"id": 1002,
"tag": "akamai",
"label": "Akamai",
"category": {
"id": 2,
"tag": "cdn",
"label": "CDN"
},
}
},
...
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