Autonomous System

AS18267 Doshisha University

EducationActiveJapanAPNIC

AS18267 (DOSHISHA) is an education network operated by Doshisha University in Japan, registered with APNIC. It has 2 IPv4 prefixes with 20,480 addresses and 1 IPv6 prefix, which makes it the 6,755th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses20,480in 2 prefixes
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#6,755of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationDoshisha University
AS nameDOSHISHA
Websitedoshisha.ac.jp
Country Japan (JP)
Network typeEducation
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-08-16

IPv4 prefixes

2 prefixes · 20,480 addresses
NetworkAddressesFirst – last address
202.23.128.0/1816,384202.23.128.0 – 202.23.191.255
202.11.192.0/204,096202.11.192.0 – 202.11.207.255

IPv6 prefixes

1 prefix
  • 2001:df7:a800::/48

Query AS18267 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=AS18267&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS18267, with or without a key:

curl "https://api.ipapi.is/?q=202.23.128.1"

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