// ASN

AS37918

ECL-INET NTT, Inc., JP

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN: AS37918
Organization: Nippon Telegraph and Telephone Corporation
Description: ECL-INET NTT, Inc., JP
Registry (RIR): JPIRR
Created: 2019-06-28
Updated: 2026-01-15
IPv4 Prefixes: 21
IPv6 Prefixes: 1

IPv4 Prefixes

21 total · showing first 10

129.60.0.0/16
129.60.0.0/17
129.60.128.0/17
192.68.235.0/24
192.68.236.0/23
192.68.236.0/24
192.68.237.0/24
192.68.238.0/24
192.68.239.0/24
192.68.240.0/23

IPv6 Prefixes

1 total

2001:df0:45::/48

What is AS37918?

AS37918 is an Autonomous System Number (ASN) assigned to Nippon Telegraph and Telephone Corporation. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.

ASN Lookup Tool →