All ASNs

Autonomous System details for AS397574

AS397574
Twentyone International Inc • twentyone.ag

AS397574 — Twentyone International Inc

AS Name
TWENTYONE
Country
Antigua and Barbuda (AG)
Website
Number of IPv4
256
Number of IPv6
1.21 × 1024
ASN type
Business
Status
Assigned
Registry
ARIN
Allocated
March 14, 2025
Last updated
March 14, 2025

IP Ranges

1 IPv4 prefixes, 1 IPv6 prefixes
Prefix Company Number of IPs
66.85.40.0/24 Twentyone International Inc 256
2602:f6b5:7a3::/48 Twentyone International Inc 1.21 × 1024

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS397574

0 peers

AS397574 has no peers recorded.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS397574

1 upstreams

AS397574 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS397574 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS397574

0 downstreams

AS397574 has no downstreams recorded.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.

Our IP address tools

Explore all tools

What is my IP?

Discover your public IP address and detailed information about your connection.

CIDR to IP Range Converter (IPv4 and IPv6)

Convert CIDR notation to IP address ranges and vice versa. Useful for network configuration and security.

IP to Hostname/rDNS Lookup

Perform a reverse DNS (rDNS) lookup to get the hostname for an IP address.

IPv6 Expander/Collapser

Expand or collapse IPv6 addresses to their full or shortened forms for better readability and usage.