Autonomous System details

AS9617

JCOM Co., Ltd. · jcom.co.jp

Japan

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AS9617 – JCOM Co., Ltd.

Field	Value
Country	Japan
Website	jcom.co.jp
Hosted domains	50
IPv4 addresses	1,163,264
IPv6 addresses	158,456,325,028,528,675,187,087,900,672
ASN type	Business
Registry	jpnic
Updated	4 years ago on Feb 18, 2022

Netblock	Company	Num of IPs
49.250.0.0/15	JCOM Co., Ltd.	131,072
119.24.0.0/15	JCOM Co., Ltd.	131,072
122.196.0.0/15	JCOM Co., Ltd.	131,072
180.220.0.0/15	JCOM Co., Ltd.	131,072
49.250.0.0/16	J:COM WEST Co., Ltd.	65,536
49.251.0.0/16	J:COM WEST Co., Ltd.	65,536
58.85.0.0/16	J:COM WEST Co., Ltd.	65,536
61.46.0.0/16	JCOM Co., Ltd.	65,536
119.24.0.0/16	J:COM WEST Co., Ltd.	65,536
119.25.0.0/16	J:COM WEST Co., Ltd.	65,536
119.26.0.0/16	JCOM Co., Ltd.	65,536
125.4.0.0/16	JCOM Co., Ltd.	65,536
180.220.0.0/16	J:COM WEST Co., Ltd.	65,536
180.221.0.0/16	J:COM WEST Co., Ltd.	65,536
211.124.0.0/16	JCOM Co., Ltd.	65,536
218.220.0.0/16	J:COM WEST Co., Ltd.	65,536
219.115.0.0/16	JCOM Co., Ltd.	65,536
61.46.0.0/17	J:COM WEST Co., Ltd.	32,768
61.46.128.0/17	JCOM Co., Ltd.	32,768
61.192.0.0/17	JCOM Co., Ltd.	32,768
119.26.0.0/17	JCOM Co., Ltd.	32,768
119.26.128.0/17	JCOM Co., Ltd.	32,768
122.102.128.0/17	JCOM Co., Ltd.	32,768
122.196.0.0/17	J:COM WEST Co., Ltd.	32,768
122.196.128.0/17	J:COM WEST Co., Ltd.	32,768
122.197.0.0/17	J:COM WEST Co., Ltd.	32,768
122.197.128.0/17	J:COM WEST Co., Ltd.	32,768
211.135.0.0/17	JCOM Co., Ltd.	32,768
58.85.0.0/18	J:COM WEST Co., Ltd.	16,384
58.85.64.0/18	J:COM WEST Co., Ltd.	16,384
58.85.128.0/18	J:COM WEST Co., Ltd.	16,384
58.85.192.0/18	J:COM WEST Co., Ltd.	16,384
61.115.128.0/18	JCOM Co., Ltd.	16,384
61.125.64.0/18	J:COM WEST Co., Ltd.	16,384
61.205.128.0/18	JCOM Co., Ltd.	16,384
122.102.128.0/18	JCOM Co., Ltd.	16,384
122.102.192.0/18	JCOM Co., Ltd.	16,384
125.4.0.0/18	J:COM WEST Co., Ltd.	16,384
125.4.64.0/18	J:COM WEST Co., Ltd.	16,384
125.4.128.0/18	J:COM WEST Co., Ltd.	16,384
125.4.192.0/18	J:COM WEST Co., Ltd.	16,384
211.120.128.0/18	JCOM Co., Ltd.	16,384
219.114.192.0/18	JCOM Co., Ltd.	16,384
61.115.128.0/19	J:COM WEST Co., Ltd.	8,192
61.115.160.0/19	JCOM Co., Ltd.	8,192
61.125.64.0/19	J:COM WEST Co., Ltd.	8,192
61.125.96.0/19	J:COM WEST Co., Ltd.	8,192
61.192.0.0/19	J:COM WEST Co., Ltd.	8,192
61.192.32.0/19	J:COM WEST Co., Ltd.	8,192
61.192.64.0/19	J:COM WEST Co., Ltd.	8,192
61.192.96.0/19	J:COM WEST Co., Ltd.	8,192
61.205.128.0/19	J:COM WEST Co., Ltd.	8,192
61.205.160.0/19	J:COM WEST Co., Ltd.	8,192
211.120.128.0/19	J:COM WEST Co., Ltd.	8,192
211.120.160.0/19	J:COM WEST Co., Ltd.	8,192
211.124.0.0/19	Technology Networks Inc.	8,192
211.124.32.0/19	J:COM WEST Co.,Ltd.	8,192
211.124.64.0/19	J:COM WEST Co.,Ltd.	8,192
211.124.96.0/19	J:COM WEST Co., Ltd.	8,192
211.124.128.0/19	J:COM WEST Co., Ltd.	8,192
211.124.160.0/19	J:COM WEST Co., Ltd.	8,192
211.124.192.0/19	J:COM WEST Co., Ltd.	8,192
211.124.224.0/19	Bay communications	8,192
211.135.0.0/19	J:COM WEST Co., Ltd.	8,192
211.135.32.0/19	J:COM WEST Co., Ltd.	8,192
211.135.64.0/19	J:COM WEST Co., Ltd.	8,192
211.135.96.0/19	Bay communications	8,192
218.220.0.0/19	J:COM WEST Co., Ltd.	8,192
218.220.32.0/19	J:COM WEST Co., Ltd.	8,192
218.220.64.0/19	J:COM WEST Co., Ltd.	8,192
218.220.96.0/19	J:COM WEST Co., Ltd.	8,192
218.220.128.0/19	J:COM WEST Co., Ltd.	8,192
218.220.160.0/19	J:COM WEST Co., Ltd.	8,192
218.220.192.0/19	J:COM WEST Co., Ltd.	8,192
218.220.224.0/19	J:COM WEST Co., Ltd.	8,192
219.114.192.0/19	J:COM WEST Co., Ltd.	8,192
219.114.224.0/19	J:COM WEST Co., Ltd.	8,192
219.115.0.0/19	JCOM Co., Ltd.	8,192
219.115.32.0/19	JCOM Co., Ltd.	8,192
219.115.64.0/19	JCOM Co., Ltd.	8,192
219.115.96.0/19	JCOM Co., Ltd.	8,192
219.115.128.0/19	JCOM Co., Ltd.	8,192
219.115.160.0/19	J:COM WEST Co., Ltd.	8,192
219.115.192.0/19	J:COM WEST Co., Ltd.	8,192
219.115.224.0/19	Jupiter Telecommunications Co., Ltd.	8,192

Netblock	Company
2400:3800::/32	JCOM Co., Ltd.
2400:3800::/37	JCOM Co., Ltd.
2400:3800:800::/37	JCOM Co., Ltd.
2400:3800:1000::/37	JCOM Co., Ltd.
2400:3800:1800::/37	JCOM Co., Ltd.
2400:3800:2000::/37	JCOM Co., Ltd.
2400:3800:2800::/37	JCOM Co., Ltd.
2400:3800:3000::/37	JCOM Co., Ltd.
2400:3800:3800::/37	JCOM Co., Ltd.
2400:3800:4000::/37	JCOM Co., Ltd.
2400:3800:4800::/37	JCOM Co., Ltd.
2400:3800:5000::/37	JCOM Co., Ltd.
2400:3800:5800::/37	JCOM Co., Ltd.
2400:3800:6000::/37	JCOM Co., Ltd.
2400:3800:6800::/37	JCOM Co., Ltd.
2400:3800:7000::/37	JCOM Co., Ltd.
2400:3800:7800::/37	JCOM Co., Ltd.
2400:3800:8000::/37	JCOM Co., Ltd.
2400:3800:8800::/37	JCOM Co., Ltd.
2400:3800:9000::/37	JCOM Co., Ltd.
2400:3800:9800::/37	JCOM Co., Ltd.
2400:3800:a000::/37	JCOM Co., Ltd.
2400:3800:a800::/37	JCOM Co., Ltd.
2400:3800:b000::/37	JCOM Co., Ltd.
2400:3800:b800::/37	JCOM Co., Ltd.
2400:3800:c000::/37	JCOM Co., Ltd.
2400:3800:c800::/37	JCOM Co., Ltd.
2400:3800:d000::/37	JCOM Co., Ltd.
2400:3800:d800::/37	JCOM Co., Ltd.
2400:3800:e000::/37	JCOM Co., Ltd.
2400:3800:e800::/37	JCOM Co., Ltd.
2400:3800:f000::/37	JCOM Co., Ltd.
2400:3800:f800::/37	JCOM Co., Ltd.

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WHOIS Details

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                                                ASHandle:       AS9617
                                                OrgID:          AS9617
                                                ASName:         AS9617
                                                ASNumber:       AS9617
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 50 domain names hosted across 44 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
219.115.64.193	██████████	3
122.197.213.17	██████████	3
49.250.78.221	██████████	2
49.251.160.66	██████████	2
122.196.222.46	██████████	1
58.85.180.61	██████████	1
119.24.18.182	███████	1
211.124.250.7	██████████	1
180.220.90.15	██████████	1
125.4.5.252	██████████	1

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Peers

There is 1 peer for this ASN.

Peers	Name
AS9824	JCOM Co., Ltd.

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ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams	Name
AS9824	JCOM Co., Ltd.

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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

3,751 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
119.25.101.12	AS9617 JCOM Co., Ltd.	`8.22ms` from Osaka, JP
119.24.35.220	AS9617 JCOM Co., Ltd.	`9.03ms` from Osaka, JP
218.220.25.152	AS9617 JCOM Co., Ltd.	`8.91ms` from Osaka, JP
49.251.86.84	AS9617 JCOM Co., Ltd.	`12.66ms` from Osaka, JP
218.220.127.119	AS9617 JCOM Co., Ltd.	`8.82ms` from Osaka, JP
218.220.218.44	AS9617 JCOM Co., Ltd.	`6.54ms` from Osaka, JP
119.26.210.25	AS9617 JCOM Co., Ltd.	`14.49ms` from Osaka, JP
58.85.16.1	AS9617 JCOM Co., Ltd.	`3.25ms` from Osaka, JP
61.46.48.1	AS9617 JCOM Co., Ltd.	`1.15ms` from Osaka, JP
119.25.30.235	AS9617 JCOM Co., Ltd.	`9.12ms` from Osaka, JP
58.85.65.128	AS9617 JCOM Co., Ltd.	`8.12ms` from Osaka, JP
49.250.169.14	AS9617 JCOM Co., Ltd.	`7.53ms` from Osaka, JP
49.250.157.226	AS9617 JCOM Co., Ltd.	`10.73ms` from Osaka, JP
219.114.202.228	AS9617 JCOM Co., Ltd.	`15.31ms` from Osaka, JP
119.25.149.195	AS9617 JCOM Co., Ltd.	`8.41ms` from Osaka, JP
180.221.88.1	AS9617 JCOM Co., Ltd.	`1.79ms` from Osaka, JP
211.120.131.134	AS9617 JCOM Co., Ltd.	`7.18ms` from Osaka, JP
119.25.246.115	AS9617 JCOM Co., Ltd.	`3.15ms` from Osaka, JP
119.24.11.38	AS9617 JCOM Co., Ltd.	`13.11ms` from Osaka, JP
218.220.164.1	AS9617 JCOM Co., Ltd.	`2.65ms` from Osaka, JP
218.220.19.112	AS9617 JCOM Co., Ltd.	`5.35ms` from Osaka, JP
180.220.244.1	AS9617 JCOM Co., Ltd.	`3.35ms` from Osaka, JP
122.197.37.196	AS9617 JCOM Co., Ltd.	`9.38ms` from Osaka, JP
119.25.95.28	AS9617 JCOM Co., Ltd.	`11.81ms` from Osaka, JP
61.115.151.63	AS9617 JCOM Co., Ltd.	`9.29ms` from Osaka, 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
195.85.163.209	AS33915 Vodafone Libertel B.V.	`0.79ms` from Amsterdam, NL
77.250.39.1	AS33915 Vodafone Libertel B.V.	`0.81ms` from Amsterdam, NL
84.25.137.1	AS33915 Vodafone Libertel B.V.	`4.94ms` from Amsterdam, NL
46.244.105.17	AS51088 A2B IP B.V.	`0.28ms` from Amsterdam, NL
134.99.18.1	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`4.70ms` from Amsterdam, NL
71.195.69.97	AS7922 Comcast Cable Communications, LLC	`10.53ms` from Ashburn, US
69.241.146.161	AS7922 Comcast Cable Communications, LLC	`2.24ms` from Ashburn, US
190.128.234.65	AS23201 Telecel S.A.	`0.50ms` from Asuncion, PY
47.49.153.33	AS20115 Charter Communications LLC	`5.22ms` from Atlanta, US
222.128.35.97	AS4808 China Unicom Beijing Province Network	`3.67ms` from Beijing, CN
110.251.220.1	AS4837 CHINA UNICOM China169 Backbone	`5.45ms` from Beijing, CN
181.54.96.1	AS10620 Telmex Colombia S.A.	`7.25ms` from Bogota, CO
72.74.157.209	AS701 Verizon Business	`2.31ms` from Boston, US
188.156.232.1	AS5483 Magyar Telekom Plc.	`4.62ms` from Budapest, HU
199.126.141.1	AS852 TELUS Communications Inc.	`1.24ms` from Calgary, CA
204.191.196.1	AS852 TELUS Communications Inc.	`8.59ms` from Calgary, CA
104.205.212.1	AS852 TELUS Communications Inc.	`0.90ms` from Calgary, CA
160.176.120.1	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	`4.32ms` from Casablanca, MA
175.18.28.1	AS4837 CHINA UNICOM China169 Backbone	`4.03ms` from Changchun, CN
218.89.54.1	AS4134 CHINANET-BACKBONE	`7.35ms` from Chengdu, CN
104.9.75.129	AS7018 AT&T Enterprises, LLC	`3.20ms` from Chicago, US
12.37.110.33	AS7018 AT&T Enterprises, LLC	`1.10ms` from Chicago, US
73.146.57.1	AS7922 Comcast Cable Communications, LLC	`16.78ms` from Chicago, US
130.241.185.1	AS2842 Goteborgs universitet	`9.40ms` from Copenhagen, DK
191.250.185.1	AS18881 TELEFÔNICA BRASIL S.A	`9.73ms` from Curitiba, BR

Traceroute

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

traceroute -a -n -q1 -m5 58.85.146.171

traceroute to 58.85.146.171 (58.85.146.171): 5 hops max, 52 byte packets

1 [AS208450] 45.136.59.1 9.927 ms

2 [AS41371] 88.151.180.149 0.575 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Aktau, KZ

On February 16th 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 AS9617 at robtex.

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