Available in
Advance Tier& ASN Ownership Details
Instantly get ASN ownership insights with our precisely parsed ASN WHOIS database. Empower your cybersecurity, routing policies, and B2B targeting. Validate ownership, uncover network relationships, and strengthen threat intelligence. Lead your market with superior ASN data.
Here are the top issues that you need to know and solve.
Network operators and ISPs rely on the ASN WHOIS database to understand how Autonomous Systems exchange routing information. This enables them to identify and select upstream providers and downstream organizations, and to define their routing policies efficiently. With this information, they can form strategic partnerships for traffic exchange, optimize traffic flow, and ensure efficient connectivity between different types of networks on the Internet.
Cybersecurity professionals leverage ASN WHOIS data to trace the origin of cyber threats. They can identify the responsible organization behind malicious ASNs by analyzing the registration and ownership information of those ASNs. This allows them to contact those entities, report the threats, and take action to remove them. These steps enhance network security, ensure smooth operations, and help prevent breaches of sensitive data.
ISPs and networking organizations that are planning to expand their network infrastructure need ASN details to observe already established networks and peering between Autonomous Systems. They need to know the availability of internet number resources to acquire new ASNs or IP addresses strategically. Furthermore, they can examine market needs and predict future resource requirements to plan their network efficiently and on time.
Businesses utilize ASN WHOIS data for market analysis and competitive research. They can identify business opportunities, understand market trends, and recognize potential partnerships and gaps in the market. They can build strategic partnerships through the mutual exchange of traffic and avoid costly transit providers. This way, they can provide optimized and cost-efficient services to their customers and strengthen their position in the market.
The database provides contact details for ASN owners, including their abuse contacts. Individuals and organizations can easily use this information to report harmful online activities like spam or phishing attacks coming from specific ASNs. Security teams can prevent online threats by quickly addressing these malicious activities. This efficient approach ensures a secure online environment for users and protects services from any disruptions.
Internet Service Providers (ISPs) use ASN WHOIS databases to track their IP addresses and see how their networks connect with others. This helps ISPs manage their networks effectively, route customer traffic correctly, and follow guidelines set by the Internet Assigned Numbers Authority (IANA). Proper mapping ensures fast and reliable internet service for all customers.
Use our ASN Whois database to identify network operators, monitor AS ownership and routing, and keep your network secure and running smoothly.
55
10.3M
Yesterday
44.20 MB
From individual picks to pre-curated bundles to fully custom builds, get exactly the data you need — the way you need it.
Predefined databases for focused needs—start instantly, available in multiple formats.
Explore databasesGuided onboarding
Instant start
Predefined schema & fields
Use-case fit
Multiple formats
Updates & alerts
Curated packages from individual databases—use-case ready, instant, multi-format.
BundlesGuided onboarding
Use-case mapped
Joined schema
Consistent keys & IDs
Multiple formats
Updates & alerts
Combine any databases or fields—your schema, cadence, delivery, any format.
Contact UsGuided onboarding
Mix databases & fields
Custom schema
Tailored cadence & SLAs
Custom formats
Updates & alerts
An ASN WHOIS database contains registration data for Autonomous System Numbers (ASNs). It shows the organization to which an ASN is assigned, its contact information, and routing details. It also reveals the ASNs with which a particular Autonomous System exchanges routes, providing essential insights into how networks are connected on the Internet.
The Internet is made up of numerous Autonomous Systems, which themselves consist of interconnected devices such as computers, mobile devices, and laptops that share data. To uniquely identify each Autonomous System, a number is assigned to it, known as an Autonomous System Number.
An ASN WHOIS database typically provides the ASN ownership, the organization's name, country, and contact details (email, phone). It also includes import and export routing policies and IP prefixes announced by the ASN.
Yes, cybersecurity professionals frequently use ASN WHOIS data to identify the organization responsible for malicious IP addresses or ASNs. This enables them to trace cyberattacks, report abuse, and implement network security measures. They utilize this data to control and mitigate threats.
An Autonomous System (AS) is a single entity or group of networking organizations that operates under a defined routing policy and exchanges routing information with other networks using the Border Gateway Protocol (BGP).
Yes, we do provide free ASN lookups through our ASN Lookup tool , but the number of queries is limited. You will need to upgrade your plan to get full access to the data.
ISPs rely on ASN WHOIS data to understand inter-network relationships, optimize routing policies, and plan for network expansion. It helps them identify potential transit partners, manage their IP addresses, and ensure smooth Internet service delivery by effectively exchanging routing information with other networks.
Internet Exchange Points (IXPs) are physical locations where different types of networking organizations, mainly ISPs and content providers, directly exchange routing information and IP prefixes.
+1 (917) 724-2931
7345 W SAND LAKE RD, STE 210 OFFICE 5169 , FL US ORLANDO, Florida 32819 United States