Autonomous System

AS9824 JCOM Co., Ltd.

ISPActiveJapanAPNIC

AS9824 (JTCL-JP-AS) is an ISP network operated by JCOM Co., Ltd. in Japan, registered with APNIC. It has 233 IPv4 prefixes with 10,315,776 addresses and 62 IPv6 prefixes, which makes it the 65th largest of 82,141 active autonomous systems by IPv4 space.

IPv4 addresses10,315,776in 233 prefixes
IPv6 prefixes62≈ 1.3 × 10³⁰ addresses
Size rank#65of 82,141 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationJCOM Co., Ltd.
AS nameJTCL-JP-AS
Websitejcom.co.jp
Country Japan (JP)
Network typeISP
RegistryAPNIC
Abuse contactabuse@home.ne.jp
Registered—
Last updated2021-10-18

IPv4 prefixes

233 prefixes · 10,315,776 addresses
NetworkAddressesFirst – last address
27.136.0.0/13524,28827.136.0.0 – 27.143.255.255
42.144.0.0/13524,28842.144.0.0 – 42.151.255.255
110.128.0.0/13524,288110.128.0.0 – 110.135.255.255
27.137.0.0/1665,53627.137.0.0 – 27.137.255.255
27.138.0.0/1665,53627.138.0.0 – 27.138.255.255
27.139.0.0/1665,53627.139.0.0 – 27.139.255.255
27.140.0.0/1665,53627.140.0.0 – 27.140.255.255
27.141.0.0/1665,53627.141.0.0 – 27.141.255.255
27.143.0.0/1665,53627.143.0.0 – 27.143.255.255
42.144.0.0/1665,53642.144.0.0 – 42.144.255.255
42.145.0.0/1665,53642.145.0.0 – 42.145.255.255
42.146.0.0/1665,53642.146.0.0 – 42.146.255.255
42.147.0.0/1665,53642.147.0.0 – 42.147.255.255
42.148.0.0/1665,53642.148.0.0 – 42.148.255.255
42.150.0.0/1665,53642.150.0.0 – 42.150.255.255
42.151.0.0/1665,53642.151.0.0 – 42.151.255.255
59.166.0.0/1665,53659.166.0.0 – 59.166.255.255
59.168.0.0/1665,53659.168.0.0 – 59.168.255.255
59.169.0.0/1665,53659.169.0.0 – 59.169.255.255
59.170.0.0/1665,53659.170.0.0 – 59.170.255.255
59.171.0.0/1665,53659.171.0.0 – 59.171.255.255
60.58.0.0/1665,53660.58.0.0 – 60.58.255.255
60.59.0.0/1665,53660.59.0.0 – 60.59.255.255
60.60.0.0/1665,53660.60.0.0 – 60.60.255.255
60.61.0.0/1665,53660.61.0.0 – 60.61.255.255
The 25 largest of 233. The API and the database have all of them.

IPv6 prefixes

62 prefixes
  • 2405:1200::/29
  • 2001:ff0::/32
  • 2405:1200::/34
  • 2405:1200:4000::/34
  • 2405:1200:8000::/34
  • 2405:1200:c000::/34
  • 2405:1201::/34
  • 2405:1201:4000::/34
  • 2405:1201:8000::/34
  • 2405:1201:c000::/34
  • 2405:1202::/34
  • 2405:1202:4000::/34
  • 2405:1202:8000::/34
  • 2405:1202:c000::/34
  • 2405:1203::/34
  • 2405:1203:4000::/34
  • 2405:1203:8000::/34
  • 2405:1203:c000::/34
  • 2405:1204::/34
  • 2405:1204:4000::/34
  • 2405:1204:8000::/34
  • 2405:1204:c000::/34
  • 2405:1205::/34
  • 2405:1205:4000::/34
  • 2405:1205:8000::/34
The 25 largest of 62. The API and the database have all of them.

Query AS9824 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=AS9824&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS9824, with or without a key:

curl "https://api.ipapi.is/?q=27.136.0.1"

Other networks of JCOM Co., Ltd.

6 of 8
AS9617 JCOM Co., Ltd.2,326,528 IPv4 addressesAS4721 JCOM Co., Ltd.1,263,616 IPv4 addressesAS9378 JCOM Co., Ltd.90,112 IPv4 addressesAS18136 JCOM Co., Ltd.86,016 IPv4 addressesAS18134 JCOM Co., Ltd.59,392 IPv4 addressesAS23788 JCOM Co., Ltd.49,152 IPv4 addresses

Largest networks in Japan

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