Autonomous System

AS38631 LY Corporation

BusinessActiveJapanJPNIC

AS38631 (LINE) is a business network operated by LY Corporation in Japan, registered with JPNIC. It has 149 IPv4 prefixes with 143,104 addresses and 116 IPv6 prefixes, which makes it the 1,657th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses143,104in 149 prefixes
IPv6 prefixes116≈ 7.9 × 10²⁸ addresses
Size rank#1,657of 82,200 active ASNs
Abuser scoreVery Low0.05% of its addresses flagged · method

Details

OrganizationLY Corporation
AS nameLINE
Websitelycorp.co.jp
Country Japan (JP)
Network typeBusiness
RegistryJPNIC
Abuse contact—
Registered—
Last updated2025-06-18

IPv4 prefixes

149 prefixes · 143,104 addresses
NetworkAddressesFirst – last address
43.223.0.0/1665,53643.223.0.0 – 43.223.255.255
147.92.128.0/1732,768147.92.128.0 – 147.92.255.255
203.104.128.0/204,096203.104.128.0 – 203.104.143.255
203.104.144.0/212,048203.104.144.0 – 203.104.151.255
203.104.152.0/221,024203.104.152.0 – 203.104.155.255
103.2.30.0/23512103.2.30.0 – 103.2.31.255
119.235.236.0/23512119.235.236.0 – 119.235.237.255
203.104.156.0/23512203.104.156.0 – 203.104.157.255
43.223.0.0/2425643.223.0.0 – 43.223.0.255
43.223.1.0/2425643.223.1.0 – 43.223.1.255
43.223.2.0/2425643.223.2.0 – 43.223.2.255
43.223.3.0/2425643.223.3.0 – 43.223.3.255
43.223.4.0/2425643.223.4.0 – 43.223.4.255
43.223.5.0/2425643.223.5.0 – 43.223.5.255
43.223.6.0/2425643.223.6.0 – 43.223.6.255
43.223.7.0/2425643.223.7.0 – 43.223.7.255
43.223.16.0/2425643.223.16.0 – 43.223.16.255
43.223.17.0/2425643.223.17.0 – 43.223.17.255
43.223.18.0/2425643.223.18.0 – 43.223.18.255
43.223.19.0/2425643.223.19.0 – 43.223.19.255
43.223.20.0/2425643.223.20.0 – 43.223.20.255
43.223.21.0/2425643.223.21.0 – 43.223.21.255
43.223.22.0/2425643.223.22.0 – 43.223.22.255
43.223.23.0/2425643.223.23.0 – 43.223.23.255
43.223.24.0/2425643.223.24.0 – 43.223.24.255
The 25 largest of 149. The API and the database have all of them.

IPv6 prefixes

116 prefixes
  • 2400:dcc0::/32
  • 2400:dcc0:a001::/48
  • 2400:dcc0:a002::/48
  • 2400:dcc0:a003::/48
  • 2400:dcc0:a005::/48
  • 2400:dcc0:a006::/48
  • 2400:dcc0:a007::/48
  • 2400:dcc0:a008::/48
  • 2400:dcc0:a101::/48
  • 2400:dcc0:a102::/48
  • 2400:dcc0:a103::/48
  • 2400:dcc0:a105::/48
  • 2400:dcc0:a106::/48
  • 2400:dcc0:a107::/48
  • 2400:dcc0:a108::/48
  • 2400:dcc0:a201::/48
  • 2400:dcc0:a202::/48
  • 2400:dcc0:a203::/48
  • 2400:dcc0:a205::/48
  • 2400:dcc0:a206::/48
  • 2400:dcc0:a207::/48
  • 2400:dcc0:a208::/48
  • 2400:dcc0:a301::/48
  • 2400:dcc0:a302::/48
  • 2400:dcc0:a303::/48
The 25 largest of 116. The API and the database have all of them.

Query AS38631 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=AS38631&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS38631, with or without a key:

curl "https://api.ipapi.is/?q=43.223.0.1"

Other networks of LY Corporation

AS23816 LY Corporation66,560 IPv4 addresses

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