Autonomous System details

AS37918

NTT, Inc.  ·  ntt.co.jp

Japan

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AS37918 – NTT, Inc.

Field Value
Country Japan
Website ntt.co.jp
Hosted domains 0
IPv4 addresses 69,376
IPv6 addresses 1,208,925,819,614,629,200,000,000
ASN type Business
Registry jpnic
Updated 4 months ago on Dec 20, 2025

IP Ranges

Netblock Company Num of IPs
129.60.0.0/16 Nippon Telegraph and Telephone Corporation 65,536
129.60.0.0/17 Nippon Telegraph and Telephone Corporation 32,768
129.60.128.0/17 Nippon Telegraph and Telephone Corporation 32,768
192.68.236.0/23 Nippon Telegraph and Telephone Corporation 512
192.68.240.0/23 Nippon Telegraph and Telephone Corporation 512
192.68.246.0/23 Nippon Telegraph and Telephone Corporation 512
192.68.235.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.236.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.237.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.238.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.239.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.240.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.241.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.242.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.243.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.244.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.245.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.246.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.247.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.248.0/24 Nippon Telegraph and Telephone Corporation 256
192.68.249.0/24 Nippon Telegraph and Telephone Corporation 256

Netblock Company
2001:df0:45::/48 NTT Loboratorie's Official Network, Telecom Carrier Laboratories
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WHOIS Details

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                                                ASHandle:       AS37918
                                                OrgID:          AS37918
                                                ASName:         AS37918
                                                ASNumber:       AS37918
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are no domains currently hosted on this ASN.

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Peers

There are 13 peers for this ASN.

Peers Name
AS140627 OneQode
AS17639 Converge ICT Solutions Inc.
AS20485 Joint Stock Company TransTeleCom
AS24482 SG.GS
AS2497 Internet Initiative Japan Inc.
AS2907 Research Organization of Information and Systems, National Institute of Informatics
AS45489 Sri Lanka Telecom PLC, GLobal Peering
AS4775 Globe Telecoms
AS49544 i3D.net B.V
AS6939 Hurricane Electric LLC
AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC
AS9002 RETN Limited
AS9370 SAKURA Internet Inc.
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ASN API & Database

Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS2497 Internet Initiative Japan Inc.
AS2907 Research Organization of Information and Systems, National Institute of Informatics
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

1 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
129.60.39.103 AS37918 NTT, Inc. 2.02ms from Tokyo, JP

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
52.247.137.222 AS8075 Microsoft Corporation 0.60ms from Boydton, US
128.252.74.254 AS2552 Washington University 8.37ms from Chicago, US
219.78.217.254 AS4760 HKT Limited 0.68ms from Hong Kong, HK
106.200.100.222 AS45609 Bharti Airtel Ltd. AS for GPRS Service 0.51ms from Lohogaon, IN
80.79.208.46 AS196778 Transport for London 2.68ms from London, GB
217.40.119.142 AS2856 British Telecommunications PLC 5.38ms from London, GB
77.97.98.206 AS5089 Virgin Media Limited 7.94ms from London, GB
89.130.62.142 AS12479 Orange Espagne SA 9.12ms from Madrid, ES
124.101.15.158 AS4713 NTT DOCOMO BUSINESS,Inc. 6.55ms from Osaka, JP
96.81.182.174 AS7922 Comcast Cable Communications, LLC 8.14ms from San Jose, US
1.225.176.46 AS9318 SK Broadband Co Ltd 1.46ms from Seoul, KR
218.78.11.206 AS4811 China Telecom (Group) 3.44ms from Shanghai, CN
61.58.25.254 AS4780 Digital United Inc. 6.36ms from Taipei, TW
211.166.102.254 AS9389 BEIJING SHENZHOU GREATWALL COMMUNICATION 3.85ms from Tianjin, CN
175.177.176.190 AS9365 its communications Inc. 3.31ms from Tokyo, JP
23.49.80.206 AS16625 Akamai Technologies, Inc. 0.10ms from Toronto, CA
170.85.158.190 AS22616 ZSCALER, INC. 0.36ms from Ashburn, US
37.156.145.190 AS43754 Asiatech Data Transmission company 14.94ms from Baku, AZ
100.21.234.158 AS16509 Amazon.com, Inc. 0.11ms from Boardman, US
108.26.252.142 AS701 Verizon Business 1.36ms from Boston, US
72.13.24.254 AS394147 MAQUOKETA VALLEY ELECTRIC COOPERATIVE 8.61ms from Chicago, US
192.24.154.158 AS6181 Cincinnati Bell Telephone Company LLC 4.61ms from Columbus, US
77.8.187.126 AS6805 Telefonica Germany GmbH & Co.OHG 1.11ms from Hamburg, DE
222.168.140.78 AS4134 CHINANET BACKBONE 8.95ms from Harbin, CN
112.119.198.254 AS4760 HKT Limited 1.00ms from Hong Kong, HK

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 -f2 -m6 129.60.24.26
traceroute to 129.60.24.26 (129.60.24.26): 6 hops max, 52 byte packets
2 [AS47447] 212.83.33.9 0.233 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Frankfurt am Main, DE
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS37918 at robtex.

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