Autonomous System details

AS131965

Xserver Inc. · xserver.co.jp

Japan

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AS131965 – Xserver Inc.

Field	Value
Country	Japan
Website	xserver.co.jp
Hosted domains	1,310,230
IPv4 addresses	165,120
IPv6 addresses	79,537,647,524,085,683,070,000,000,000
ASN type	Hosting
Registry	jpnic
Updated	a month ago on Mar 10, 2026

Netblock	Company	Num of IPs
153.115.0.0/16	XSERVER Inc.	65,536
162.43.0.0/17	XSERVER Inc.	32,768
85.131.192.0/18	XSERVER Inc.	16,384
153.115.0.0/18	XSERVER Inc.	16,384
183.90.224.0/19	XSERVER Inc.	8,192
157.112.144.0/20	XSERVER Inc.	4,096
157.112.176.0/20	XSERVER Inc.	4,096
183.90.224.0/20	XSERVER Inc.	4,096
183.90.240.0/20	XSERVER Inc.	4,096
183.181.80.0/20	XSERVER Inc.	4,096
210.131.208.0/20	XSERVER Inc.	4,096
220.158.16.0/20	XSERVER Inc.	4,096
222.228.0.0/20	XSERVER Inc.	4,096
222.228.64.0/20	XSERVER Inc.	4,096
120.136.8.0/21	XSERVER Inc.	2,048
157.112.144.0/21	XSERVER Inc.	2,048
157.112.152.0/21	XSERVER Inc.	2,048
157.112.176.0/21	XSERVER Inc.	2,048
157.112.184.0/21	XSERVER Inc.	2,048
162.43.112.0/21	Netowl, Inc.	2,048
202.254.232.0/21	XSERVER Inc.	2,048
103.3.0.0/22	XSERVER Inc.	1,024
103.54.156.0/22	XSERVER Inc.	1,024
120.136.8.0/22	XSERVER Inc.	1,024
120.136.12.0/22	XSERVER Inc.	1,024
175.28.4.0/22	XSERVER Inc.	1,024
183.181.80.0/22	XSERVER Inc.	1,024
183.181.84.0/22	XSERVER Inc.	1,024
183.181.96.0/22	XSERVER Inc.	1,024
202.226.36.0/22	XSERVER Inc.	1,024
202.233.64.0/22	XSERVER Inc.	1,024
202.254.232.0/22	XSERVER Inc.	1,024
202.254.236.0/22	XSERVER Inc.	1,024
222.228.76.0/22	XSERVER Inc.	1,024
223.27.68.0/22	XSERVER Inc.	1,024
103.54.158.0/23	XSERVER Inc.	512
103.141.96.0/23	XSERVER Inc.	512
175.28.4.0/23	XSERVER Inc.	512
175.28.6.0/23	XSERVER Inc.	512
183.181.78.0/23	XSERVER Inc.	512
183.181.88.0/23	XSERVER Inc.	512
183.181.90.0/23	XSERVER Inc.	512
183.181.96.0/23	XSERVER Inc.	512
183.181.98.0/23	XSERVER Inc.	512
202.233.66.0/23	XSERVER Inc.	512
210.157.78.0/23	XSERVER Inc.	512
103.141.96.0/24	XSERVER Inc.	256
103.141.97.0/24	XSERVER Inc.	256
183.181.78.0/24	XSERVER Inc.	256
183.181.79.0/24	XSERVER Inc.	256
183.181.92.0/24	XSERVER Inc.	256
183.181.94.0/24	XSERVER Inc.	256
202.210.8.0/24	XSERVER Inc.	256
202.237.154.0/24	XSERVER Inc.	256
202.240.141.0/24	XSERVER Inc.	256
223.27.68.0/24	XSERVER Inc.	256
223.27.69.0/24	Netowl, Inc.	256
223.27.70.0/24	Netowl, Inc.	256
223.27.71.0/24	Netowl, Inc.	256

Netblock	Company
2400:b1a0::/32	XSERVER Inc.
2400:b1a0:200::/40	XSERVER Inc.

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WHOIS Details

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                                                ASHandle:       AS131965
                                                OrgID:          AS131965
                                                ASName:         AS131965
                                                ASNumber:       AS131965
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 1,310,230 domain names hosted across 17,329 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
183.90.245.16	██████████	1,187
85.131.207.15	██████████	908
183.90.240.65	██████████	898
85.131.197.26	██████████	863
183.90.228.46	██████████	836
162.43.94.87	██████████	766
162.43.121.195	██████████	746
162.43.120.99	██████████	706
85.131.213.24	██████████	695
85.131.209.143	██████████	691

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Peers

There are 18 peers for this ASN.

Peers	Name
AS1299	Arelion Sweden AB
AS18106	Viewqwest Pte Ltd
AS1828	Unitas Global
AS24482	SG.GS
AS2497	Internet Initiative Japan Inc.
AS2500	WIDE Project
AS2518	BIGLOBE Inc.
AS35280	F5 Networks SARL
AS36236	NetActuate, Inc
AS38195	Superloop
AS4713	NTT DOCOMO BUSINESS,Inc.
AS4775	Globe Telecoms
AS4777	Asia Pacific Network Information Centre
AS59105	Home NOC Operators Group
AS59238	Innovative Extremist Co., Ltd.
AS6939	Hurricane Electric LLC
AS7713	PT Telekomunikasi Indonesia
AS9002	RETN Limited

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ASN API & Database

Upstreams

There are 4 upstreams for this ASN.

upstreams	Name
AS1299	Arelion Sweden AB
AS2497	Internet Initiative Japan Inc.
AS4713	NTT DOCOMO BUSINESS,Inc.
AS6939	Hurricane Electric LLC

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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
157.112.153.83	AS131965 Xserver Inc.	`0.37ms` from Osaka, JP
85.131.242.254	AS131965 Xserver Inc.	`0.49ms` from Osaka, JP
162.43.111.1	AS131965 Xserver Inc.	`0.41ms` from Osaka, JP
210.131.217.253	AS131965 Xserver Inc.	`0.45ms` from Osaka, JP
85.131.196.5	AS131965 Xserver Inc.	`0.35ms` from Osaka, JP
157.112.181.237	AS131965 Xserver Inc.	`0.39ms` from Osaka, JP
85.131.245.253	AS131965 Xserver Inc.	`0.40ms` from Osaka, JP
220.158.17.1	AS131965 Xserver Inc.	`0.51ms` from Osaka, JP
222.228.2.254	AS131965 Xserver Inc.	`0.44ms` from Osaka, JP
162.43.31.253	AS131965 Xserver Inc.	`0.47ms` from Osaka, JP
162.43.119.3	AS131965 Xserver Inc.	`0.42ms` from Osaka, JP
202.254.239.1	AS131965 Xserver Inc.	`0.37ms` from Osaka, JP
162.43.90.254	AS131965 Xserver Inc.	`0.40ms` from Osaka, JP
183.90.254.253	AS131965 Xserver Inc.	`0.39ms` from Osaka, JP
210.131.220.254	AS131965 Xserver Inc.	`0.40ms` from Osaka, JP
202.254.237.245	AS131965 Xserver Inc.	`0.35ms` from Osaka, JP
162.43.53.1	AS131965 Xserver Inc.	`0.45ms` from Osaka, JP
85.131.251.1	AS131965 Xserver Inc.	`0.46ms` from Osaka, JP
162.43.48.253	AS131965 Xserver Inc.	`0.49ms` from Osaka, JP
162.43.22.254	AS131965 Xserver Inc.	`0.49ms` from Osaka, JP
183.181.99.128	AS131965 Xserver Inc.	`0.37ms` from Osaka, JP
162.43.25.254	AS131965 Xserver Inc.	`0.56ms` from Osaka, JP
183.90.253.132	AS131965 Xserver Inc.	`0.41ms` from Osaka, JP
103.3.0.249	AS131965 Xserver Inc.	`0.33ms` from Tokyo, JP
222.228.76.1	AS131965 Xserver Inc.	`0.91ms` 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
20.61.77.237	AS8075 Microsoft Corporation	`0.16ms` from Amsterdam, NL
64.66.252.253	AS394286 City of Johnson City	`9.68ms` from Atlanta, US
23.125.54.173	AS7018 AT&T Enterprises, LLC	`10.56ms` from Atlanta, US
81.240.229.205	AS5432 Proximus NV	`2.64ms` from Brussels, BE
76.49.126.29	AS11426 Charter Communications Inc	`15.66ms` from Charlotte, US
50.123.196.61	AS5650 Frontier Communications of America, Inc.	`11.62ms` from Chicago, US
201.21.176.237	AS28573 Claro NXT Telecomunicacoes Ltda	`17.25ms` from Curitiba, BR
195.143.51.141	AS3257 GTT Communications Inc.	`0.71ms` from Frankfurt am Main, DE
75.85.78.237	AS20001 Charter Communications Inc	`4.58ms` from Honolulu, US
76.142.224.93	AS7922 Comcast Cable Communications, LLC	`5.63ms` from Houston, US
87.250.195.253	AS34150 JSC ER-Telecom Holding	`0.70ms` from Krasnodar, RU
109.180.191.45	AS2856 British Telecommunications PLC	`6.02ms` from London, GB
64.60.70.61	AS14265 TPx Communications	`0.66ms` from Los Angeles, US
32.143.153.237	AS7018 AT&T Enterprises, LLC	`1.43ms` from Los Angeles, US
88.3.118.141	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.24ms` from Madrid, ES
167.62.92.109	AS6057 Administracion Nacional de Telecomunicaciones	`1.75ms` from Montevideo, UY
24.103.150.173	AS11351 Charter Communications Inc	`10.86ms` from New York City, US
159.213.138.125	AS6882 Regione Toscana	`7.80ms` from Rome, IT
112.169.31.253	AS4766 Korea Telecom	`1.21ms` from Seoul, KR
94.155.60.221	AS9070 Cooolbox AD	`0.69ms` from Sofia, BG
160.32.235.93	AS32160 CTI Fiber	`1.86ms` from St. Louis, US
173.206.12.109	AS6407 Primus Telecommunications Canada Inc.	`7.18ms` from Toronto, CA
24.125.143.173	AS7922 Comcast Cable Communications, LLC	`5.04ms` from Atlanta, US
49.231.37.93	AS45458 SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX	`0.81ms` from Bangkok, TH
85.67.108.45	AS20845 DIGI Tavkozlesi es Szolgaltato Kft.	`9.30ms` from Budapest, HU

Traceroute

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

traceroute -a -n -q1 -f3 202.233.64.230

traceroute to 202.233.64.230 (202.233.64.230): 64 hops max, 52 byte packets

3 [AS131965] 103.3.0.67 106.108 ms

4 [AS131965] 103.3.0.85 112.056 ms

5 [AS131965] 103.3.0.95 112.822 ms

6 [AS131965] 202.233.64.230 105.992 ms

Measurement taken from

IPinfo ProbeNet in Los Angeles, US

On April 13th 2026

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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 AS131965 at robtex.

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