Autonomous System

AS37918 NTT Software Innovation Center

ISPActiveJapanAPNIC

AS37918 (ECL-INET) is an ISP network operated by NTT Software Innovation Center in Japan, registered with APNIC. It has 21 IPv4 prefixes with 136,448 addresses and 1 IPv6 prefix, which makes it the 1,749th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses136,448in 21 prefixes
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#1,749of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

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

IPv4 prefixes

21 prefixes · 136,448 addresses
NetworkAddressesFirst – last address
129.60.0.0/1665,536129.60.0.0 – 129.60.255.255
129.60.0.0/1732,768129.60.0.0 – 129.60.127.255
129.60.128.0/1732,768129.60.128.0 – 129.60.255.255
192.68.236.0/23512192.68.236.0 – 192.68.237.255
192.68.240.0/23512192.68.240.0 – 192.68.241.255
192.68.246.0/23512192.68.246.0 – 192.68.247.255
192.68.235.0/24256192.68.235.0 – 192.68.235.255
192.68.236.0/24256192.68.236.0 – 192.68.236.255
192.68.237.0/24256192.68.237.0 – 192.68.237.255
192.68.238.0/24256192.68.238.0 – 192.68.238.255
192.68.239.0/24256192.68.239.0 – 192.68.239.255
192.68.240.0/24256192.68.240.0 – 192.68.240.255
192.68.241.0/24256192.68.241.0 – 192.68.241.255
192.68.242.0/24256192.68.242.0 – 192.68.242.255
192.68.243.0/24256192.68.243.0 – 192.68.243.255
192.68.244.0/24256192.68.244.0 – 192.68.244.255
192.68.245.0/24256192.68.245.0 – 192.68.245.255
192.68.246.0/24256192.68.246.0 – 192.68.246.255
192.68.247.0/24256192.68.247.0 – 192.68.247.255
192.68.248.0/24256192.68.248.0 – 192.68.248.255
192.68.249.0/24256192.68.249.0 – 192.68.249.255

IPv6 prefixes

1 prefix
  • 2001:df0:45::/48

Query AS37918 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=AS37918&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS37918, with or without a key:

curl "https://api.ipapi.is/?q=129.60.0.1"

Other networks of NTT Software Innovation Center

AS2511 NTT Software Innovation Center41,728 IPv4 addresses

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