Autonomous System

AS2511 NTT Software Innovation Center

ISPActiveJapanAPNIC

AS2511 (CORE) is an ISP network operated by NTT Software Innovation Center in Japan, registered with APNIC. It has 5 IPv4 prefixes with 41,728 addresses, which makes it the 4,677th largest of 82,141 active autonomous systems by IPv4 space.

IPv4 addresses41,728in 5 prefixes
IPv6 prefixes0none
Size rank#4,677of 82,141 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationNTT Software Innovation Center
AS nameCORE
Websitentt.co.jp
Country Japan (JP)
Network typeISP
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-09-18

IPv4 prefixes

5 prefixes · 41,728 addresses
NetworkAddressesFirst – last address
163.138.0.0/1732,768163.138.0.0 – 163.138.127.255
163.138.128.0/198,192163.138.128.0 – 163.138.159.255
192.5.216.0/24256192.5.216.0 – 192.5.216.255
192.26.94.0/24256192.26.94.0 – 192.26.94.255
192.47.167.0/24256192.47.167.0 – 192.47.167.255

IPv6 prefixes

No IPv6 prefixes.

Query AS2511 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=AS2511&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS2511, with or without a key:

curl "https://api.ipapi.is/?q=163.138.0.1"

Other networks of NTT Software Innovation Center

AS37918 NTT Software Innovation Center136,448 IPv4 addresses

Largest networks in Japan

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