All ASNs

Autonomous System details for AS18148

AS18148
Fukuoka University • fukuoka-u.ac.jp

AS18148 — Fukuoka University

AS Name
FUKUOKA-U
Country
Japan (JP)
Website
Number of IPv4
65,024
Number of IPv6
7.92 × 1028
ASN type
Education
Status
Allocated
Registry
APNIC
Allocated
March 21, 2002
Last updated
August 08, 2024

IP Ranges

8 IPv4 prefixes, 1 IPv6 prefixes
Prefix Company Number of IPs
133.100.0.0/21 Fukuoka University 2,048
133.100.8.0/24 Fukuoka University 256
133.100.10.0/24 Fukuoka University 256
133.100.12.0/22 Fukuoka University 1,024
133.100.16.0/20 Fukuoka University 4,096
133.100.32.0/19 Fukuoka University 8,192
133.100.64.0/18 Fukuoka University 16,384
133.100.128.0/17 Fukuoka University 32,768
2405:be00::/32 Fukuoka University 7.92 × 1028

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 AS18148

0 peers

AS18148 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 AS18148

1 upstreams

AS18148 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS18148 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS18148

0 downstreams

AS18148 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.