202.238.16.0/20

AS18129 · OKAYAMA NETWORK INC.

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Summary

Country	Japan
Domain	oninet.ne.jp
ASN	AS18129
Registry	JPNIC
ID	ONI-CIDR-BLK-JP

WHOIS Details

inetnum:        202.238.16.0 - 202.238.31.255
netname:        ONI-CIDR-BLK-JP
descr:          OKAYAMA NETWORK INC.
remarks:        Email address for spam or abuse complaints : oni-tech@oni.co.jp
country:        JP
admin-c:        JP00232896
tech-c:         JP00232896
last-modified:  2023-01-31T04:41:02Z
remarks:        This information has been partially mirrored by APNIC from
remarks:        JPNIC. To obtain more specific information, please use the
remarks:        JPNIC WHOIS Gateway at
remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks:        defaults to Japanese output, use the /e switch for English
remarks:        output)
source:         JPNIC

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

1,234 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
202.238.20.46	AS18129 OKAYAMA NETWORK INC.	`9.80ms` from Tokyo, JP
202.238.23.241	AS18129 OKAYAMA NETWORK INC.	`9.78ms` from Tokyo, JP
202.238.21.13	AS18129 OKAYAMA NETWORK INC.	`9.85ms` from Tokyo, JP
202.238.18.144	AS18129 OKAYAMA NETWORK INC.	`9.62ms` from Tokyo, JP
202.238.19.155	AS18129 OKAYAMA NETWORK INC.	`9.88ms` from Tokyo, JP
202.238.17.171	AS18129 OKAYAMA NETWORK INC.	`9.90ms` from Tokyo, JP
202.238.16.1	AS18129 OKAYAMA NETWORK INC.	`9.58ms` from Tokyo, JP
202.238.22.223	AS18129 OKAYAMA NETWORK INC.	`9.81ms` from Tokyo, JP
202.238.24.1	AS18129 OKAYAMA NETWORK INC.	`9.66ms` from Tokyo, JP
202.238.28.1	AS18129 OKAYAMA NETWORK INC.	`9.76ms` from Tokyo, JP
202.238.26.218	AS18129 OKAYAMA NETWORK INC.	`9.86ms` from Tokyo, JP
202.238.31.39	AS18129 OKAYAMA NETWORK INC.	`9.89ms` from Tokyo, JP
202.238.25.102	AS18129 OKAYAMA NETWORK INC.	`9.80ms` from Tokyo, JP
202.238.29.69	AS18129 OKAYAMA NETWORK INC.	`9.58ms` from Tokyo, JP
202.238.27.144	AS18129 OKAYAMA NETWORK INC.	`9.86ms` from Tokyo, JP
202.238.30.207	AS18129 OKAYAMA NETWORK INC.	`9.63ms` 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
90.0.38.148	AS3215 Orange S.A.	`10.75ms` from Aubervilliers, FR
139.216.119.52	AS9443 Vocus Retail	`3.25ms` from Brisbane, AU
172.241.132.196	AS394380 Leaseweb USA, Inc.	`0.24ms` from Dallas, US
40.97.131.148	AS8075 Microsoft Corporation	`0.53ms` from Des Moines, US
34.253.247.132	AS16509 Amazon.com, Inc.	`0.23ms` from Dublin, IE
14.184.154.244	AS45899 VNPT Corp	`3.64ms` from Ho Chi Minh City, VN
122.156.216.52	AS4837 CHINA UNICOM China169 Backbone	`18.73ms` from Liaoyang, CN
76.219.189.132	AS7018 AT&T Enterprises, LLC	`17.39ms` from Los Angeles, US
67.81.107.36	AS6128 Cablevision Systems Corp.	`7.59ms` from New York City, US
185.107.85.244	AS60032 Coriolis Telecom SAS	`4.30ms` from Paris, FR
178.162.70.116	AS20807 JSC "ER-Telecom Holding"	`1.30ms` from Saint Petersburg, RU
191.235.234.196	AS8075 Microsoft Corporation	`0.18ms` from Sao Paulo, BR
42.148.105.36	AS9824 JCOM Co., Ltd.	`18.26ms` from Tokyo, JP
94.16.126.180	AS42473 ANEXIA Internetdienstleistungs GmbH	`0.21ms` from Ashburn, US
185.71.122.68	AS59780 SURFBOXX IT-SOLUTIONS GmbH	`0.41ms` from Berlin, DE
88.232.234.52	AS9121 Turk Telekomunikasyon Anonim Sirketi	`19.04ms` from Bursa, TR
41.69.5.196	AS24835 Vodafone Data	`8.94ms` from Cairo, EG
70.168.16.52	AS22773 Cox Communications Inc.	`4.76ms` from Dallas, US
62.54.50.180	AS6805 Telefonica Germany GmbH & Co.OHG	`5.58ms` from Frankfurt am Main, DE
65.52.165.164	AS8075 Microsoft Corporation	`0.76ms` from Hong Kong, HK
92.178.78.68	AS12479 Orange Espagne SA	`11.79ms` from Madrid, ES
151.66.134.20	AS1267 WIND TRE S.P.A.	`3.60ms` from Milan, IT
68.161.145.212	AS701 Verizon Business	`3.01ms` from New York City, US
175.184.30.212	AS2510 FUJITSU LIMITED	`5.96ms` from Osaka, JP
90.58.151.132	AS3215 Orange S.A.	`7.72ms` from Paris, FR

Traceroute

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

traceroute -a -n -q1 -f5 202.238.26.33

traceroute to 202.238.26.33 (202.238.26.33): 64 hops max, 52 byte packets

5 [] 101.203.88.158 11.922 ms

6 [AS18129] 219.111.221.5 15.854 ms

7 [AS18129] 202.238.26.33 11.045 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On August 23rd 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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