Autonomous System details

AS38639

NTT DOCOMO BUSINESS, Inc.  ·  ntt.com

Japan

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AS38639 – NTT DOCOMO BUSINESS, Inc.

Field Value
Country Japan
Website ntt.com
Hosted domains 1
IPv4 addresses 13,312
IPv6 addresses 79,229,371,440,083,952,629,200,000,000
ASN type ISP
Registry jpnic
Updated 10 months ago on Jul 11, 2025

IP Ranges

Netblock Company Num of IPs
163.138.224.0/19 Nippon Telegraph and Telephone Corporation 8,192
115.69.224.0/21 NTT DOCOMO BUSINESS, Inc. 2,048
220.150.192.0/21 NTT DOCOMO BUSINESS, Inc. 2,048
103.2.128.0/22 NTT DOCOMO BUSINESS, Inc. 1,024
220.150.196.0/24 NTT DOCOMO BUSINESS, Inc. 256
Netblock Company
2402:c800::/32 NTT DOCOMO BUSINESS, Inc.
2402:c800:cafe::/48 NTT DOCOMO BUSINESS, Inc.
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WHOIS Details

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                                                ASHandle:       AS38639
                                                OrgID:          AS38639
                                                ASName:         AS38639
                                                ASNumber:       AS38639
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There is 1 domain name hosted across 1 IP address on this ASN.

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IP Address Domain Domains on this IP
163.138.238.208 ██████████ 1

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Peers

There are 16 peers for this ASN.

Peers Name
AS140627 OneQode
AS17639 Converge ICT Solutions Inc.
AS20485 Joint Stock Company TransTeleCom
AS24482 SG.GS
AS25152 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
AS2914 NTT America, Inc.
AS3216 PJSC Vimpelcom
AS45489 Sri Lanka Telecom PLC, GLobal Peering
AS4713 NTT DOCOMO BUSINESS,Inc.
AS4775 Globe Telecoms
AS49544 i3D.net B.V
AS6939 Hurricane Electric LLC
AS7713 PT Telekomunikasi Indonesia
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 3 upstreams for this ASN.

upstreams Name
AS2914 NTT America, Inc.
AS4713 NTT DOCOMO BUSINESS,Inc.
AS6939 Hurricane Electric LLC
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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
163.138.239.33 AS38639 NTT DOCOMO BUSINESS, Inc. 1.30ms from Tokyo, JP
103.2.129.193 AS38639 NTT DOCOMO BUSINESS, Inc. 1.13ms from Tokyo, JP
115.69.228.65 AS38639 NTT DOCOMO BUSINESS, Inc. 1.14ms from Tokyo, JP
163.138.244.129 AS38639 NTT DOCOMO BUSINESS, Inc. 1.03ms from Tokyo, JP
115.69.226.65 AS38639 NTT DOCOMO BUSINESS, Inc. 1.07ms from Tokyo, JP
163.138.247.193 AS38639 NTT DOCOMO BUSINESS, Inc. 1.08ms from Tokyo, JP
115.69.230.201 AS38639 NTT DOCOMO BUSINESS, Inc. 1.10ms from Tokyo, JP
163.138.255.74 AS38639 NTT DOCOMO BUSINESS, Inc. 1.11ms from Tokyo, JP
163.138.238.145 AS38639 NTT DOCOMO BUSINESS, Inc. 1.04ms from Tokyo, JP
115.69.224.60 AS38639 NTT DOCOMO BUSINESS, Inc. 1.05ms from Tokyo, JP
115.69.229.91 AS38639 NTT DOCOMO BUSINESS, Inc. 1.22ms from Tokyo, JP
163.138.232.225 AS38639 NTT DOCOMO BUSINESS, Inc. 1.28ms from Tokyo, JP
2402:c800:4:2::1 AS38639 NTT DOCOMO BUSINESS, Inc. 1.17ms from Tokyo, JP
163.138.252.244 AS38639 NTT DOCOMO BUSINESS, Inc. 3.00ms from Tokyo, JP
115.69.231.75 AS38639 NTT DOCOMO BUSINESS, Inc. 1.11ms from Tokyo, JP
115.69.225.205 AS38639 NTT DOCOMO BUSINESS, Inc. 1.11ms from Tokyo, JP
2402:c800:bb:102::1 AS38639 NTT DOCOMO BUSINESS, Inc. 1.21ms from Tokyo, JP
103.2.130.1 AS38639 NTT DOCOMO BUSINESS, Inc. 1.13ms from Tokyo, JP
163.138.227.246 AS38639 NTT DOCOMO BUSINESS, Inc. 1.08ms 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
188.178.143.15 AS3292 TDC Holding A/S 1.64ms from Copenhagen, DK
70.175.96.143 AS22773 Cox Communications Inc. 4.88ms from Phoenix, US
61.106.123.159 AS17839 LG HelloVision Corp. 1.84ms from Seoul, KR
222.116.56.175 AS4766 Korea Telecom 10.41ms from Seoul, KR
180.53.102.239 AS4713 NTT DOCOMO BUSINESS,Inc. 3.24ms from Tokyo, JP
128.24.47.95 AS8075 Microsoft Corporation 0.21ms from Boydton, US
156.67.7.239 AS200397 Bioscientia Institut fuer Medizinische Diagnostik GmbH 2.65ms from Frankfurt am Main, DE
77.0.207.15 AS6805 Telefonica Germany GmbH & Co.OHG 2.31ms from Hamburg, DE
108.195.233.143 AS7018 AT&T Enterprises, LLC 17.19ms from Houston, US
86.149.90.159 AS2856 British Telecommunications PLC 9.76ms from London, GB
83.51.106.239 AS3352 TELEFONICA DE ESPANA S.A.U. 8.93ms from Madrid, ES
185.176.231.207 AS42366 TerraTransit AG 0.25ms from Nuernberg, DE
23.21.103.47 AS14618 Amazon.com, Inc. 0.57ms from Reston, US
99.253.53.79 AS812 Rogers Communications Canada Inc. 4.30ms from Toronto, CA
8.145.110.31 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.57ms from Zhangjiakou, CN
117.193.23.31 AS9829 National Internet Backbone 10.89ms from Chennai, IN
201.192.137.239 AS11830 Instituto Costarricense de Electricidad y Telecom. 1.43ms from Curridabat, CR
193.112.62.47 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.99ms from Guangzhou, CN
14.239.212.239 AS45899 VNPT Corp 5.84ms from Hanoi, VN
113.168.51.127 AS45899 VNPT Corp 1.88ms from Hanoi, VN
94.236.54.15 AS15395 Rackspace Ltd. 1.42ms from London, GB
146.90.183.15 AS6871 Plusnet 6.16ms from London, GB
71.87.135.111 AS20115 Charter Communications LLC 19.01ms from Minneapolis, US
177.170.235.127 AS26599 TELEFÔNICA BRASIL S.A 4.31ms from Osasco, BR
201.123.145.175 AS8151 UNINET 9.22ms from Santiago de Queretaro, MX

Traceroute

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

$
traceroute -a -n -q1 -m4 163.138.251.159
traceroute to 163.138.251.159 (163.138.251.159): 4 hops max, 52 byte packets
1 [AS397423] 192.154.213.1 468.441 ms
2 *
3 *
4 *
Measurement taken from IPinfo ProbeNet in Dallas, US
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 AS38639 at robtex.

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