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 1,208,925,819,614,629,174,706,176
ASN type Business
Registry jpnic
Updated 2 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 12 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
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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ASN API & Database

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
129.60.39.129 AS37918 NTT, Inc. 1.44ms 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
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107.218.74.14 AS7018 AT&T Enterprises, LLC 5.50ms from Atlanta, US
54.222.114.78 AS55960 Beijing Guanghuan Xinwang Digital 3.43ms from Beijing, CN
217.230.190.126 AS3320 Deutsche Telekom AG 4.89ms from Berlin, DE
100.22.95.206 AS16509 Amazon.com, Inc. 0.17ms from Boardman, US
156.222.51.174 AS8452 TE-AS 5.06ms from Cairo, EG
97.179.144.158 AS6167 Verizon Business 16.30ms from Chicago, US
96.4.168.30 AS11686 Zayo Bandwidth 12.91ms from Dallas, US
125.77.154.222 AS133776 Quanzhou 4.72ms from Fuzhou, CN
66.253.43.46 AS5065 Bunny Communications 1.08ms from Herndon, US
103.36.20.254 AS132839 POWER LINE DATACENTER 1.17ms from Hong Kong, HK
14.64.205.110 AS4766 Korea Telecom 1.83ms from Incheon, KR
122.153.80.78 AS9316 DACOM-PUBNETPLUS 4.64ms from Incheon, KR
75.163.16.254 AS209 CenturyLink Communications, LLC 2.62ms from Las Vegas, US
35.235.56.62 AS396982 Google LLC 0.12ms from London, GB
76.88.9.30 AS20001 Charter Communications Inc 6.35ms from Los Angeles, US
89.131.79.254 AS12479 Orange Espagne SA 8.41ms from Madrid, ES
176.84.167.126 AS3352 TELEFONICA DE ESPANA S.A.U. 8.71ms from Madrid, ES
38.180.223.142 AS58061 Scalaxy B.V. 0.22ms from Meppel, NL
50.213.70.30 AS7922 Comcast Cable Communications, LLC 7.35ms from New York City, US
79.224.186.174 AS3320 Deutsche Telekom AG 3.13ms from Nuernberg, DE
59.159.241.254 AS17506 ARTERIA Networks Corporation 1.04ms from Osaka, JP
151.76.29.142 AS1267 WIND TRE S.P.A. 11.55ms from Rome, IT
79.122.243.254 AS24588 JSC ER-Telecom Holding 12.71ms from Samara, RU
50.211.113.94 AS7922 Comcast Cable Communications, LLC 8.55ms from Santa Clara, US

Traceroute

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

$
traceroute -a -n -q1 -m6 129.60.221.28
traceroute to 129.60.221.28 (129.60.221.28): 6 hops max, 52 byte packets
3 [] 210.173.176.30 1.275 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Tokyo, JP
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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