Autonomous System

AS18148 Fukuoka University

EducationActiveJapanAPNIC

AS18148 (FUKUOKA-U) is an education network operated by Fukuoka University in Japan, registered with APNIC. It has 8 IPv4 prefixes with 65,024 addresses and 1 IPv6 prefix, which makes it the 3,892nd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses65,024in 8 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#3,892of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationFukuoka University
AS nameFUKUOKA-U
Websitefukuoka-u.ac.jp
Country Japan (JP)
Network typeEducation
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-08-08

IPv4 prefixes

8 prefixes · 65,024 addresses
NetworkAddressesFirst – last address
133.100.128.0/1732,768133.100.128.0 – 133.100.255.255
133.100.64.0/1816,384133.100.64.0 – 133.100.127.255
133.100.32.0/198,192133.100.32.0 – 133.100.63.255
133.100.16.0/204,096133.100.16.0 – 133.100.31.255
133.100.0.0/212,048133.100.0.0 – 133.100.7.255
133.100.12.0/221,024133.100.12.0 – 133.100.15.255
133.100.8.0/24256133.100.8.0 – 133.100.8.255
133.100.10.0/24256133.100.10.0 – 133.100.10.255

IPv6 prefixes

1 prefix
  • 2405:be00::/32

Query AS18148 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS18148&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS18148, with or without a key:

curl "https://api.ipapi.is/?q=133.100.128.1"

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