Autonomous System

AS4675 UNIADEX, LTD.

BusinessActiveJapanJPNIC

AS4675 (U-NETSURF) is a business network operated by UNIADEX, LTD. in Japan, registered with JPNIC. It has 7 IPv4 prefixes with 31,488 addresses and 1 IPv6 prefix, which makes it the 5,410th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses31,488in 7 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#5,410of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationUNIADEX, LTD. · hosting provider profile
AS nameU-NETSURF
Websiteuniadex.co.jp
Country Japan (JP)
Network typeBusiness
RegistryJPNIC
Abuse contact—
Registered—
Last updated2025-12-27

IPv4 prefixes

7 prefixes · 31,488 addresses
NetworkAddressesFirst – last address
202.233.0.0/1816,384202.233.0.0 – 202.233.63.255
202.73.64.0/204,096202.73.64.0 – 202.73.79.255
202.73.80.0/204,096202.73.80.0 – 202.73.95.255
210.166.192.0/204,096210.166.192.0 – 210.166.207.255
133.247.80.0/212,048133.247.80.0 – 133.247.87.255
133.247.88.0/23512133.247.88.0 – 133.247.89.255
133.247.235.0/24256133.247.235.0 – 133.247.235.255

IPv6 prefixes

1 prefix
  • 2001:338::/32

Query AS4675 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=AS4675&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS4675, with or without a key:

curl "https://api.ipapi.is/?q=202.233.0.1"

Largest networks in Japan

AS17676 SoftBank Mobile Corp.49,061,888 IPv4 addressesAS4713 NTT DOCOMO BUSINESS,Inc.28,624,896 IPv4 addressesAS2516 KDDI CORPORATION18,152,448 IPv4 addressesAS9824 JCOM Co., Ltd.10,315,776 IPv4 addressesAS2907 Authoritative information regarding AS Number8,960,512 IPv4 addressesAS17506 UCOM Corp.5,508,096 IPv4 addresses