218.231.216.0/21

AS24271 · Iruma CATV co.

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Summary

Country	Japan
Domain	ictv.ne.jp
ASN	AS24271
Registry	JPNIC
ID	ICTV-NET

WHOIS Details

inetnum:        218.231.216.0 - 218.231.223.255
netname:        ICTV-NET
descr:          iruma cable TV
remarks:        Email address for spam or abuse complaints:[email protected]
country:        JP
admin-c:        TD9097JP
tech-c:         KN7197JP
tech-c:         TD9097JP
last-modified:  2024-11-19T23:38:03Z
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

Nearby Ranges

BGP prefixes that overlap with 218.231.0.0/16

Range	ASN	Company	Num of IPs
218.231.160.0/19	AS18129	OKAYAMA NETWORK INC.	8,192
218.231.48.0/20	AS7522	STNet, Incorporated	4,096
218.231.224.0/20	AS10002	Igaueno Cable Television Co.,Ltd	4,096
218.231.16.0/20	AS2522	Japan Network Information Center	4,096
218.231.208.0/22	AS55381	CITY-CABLE SHUNAN Corporation	1,024
218.231.246.0/23	AS7690	Information Network Gujo hachiman	512
218.231.244.0/23	AS37904	BBIX, Inc.	512
218.231.248.0/23	AS37904	BBIX, Inc.	512

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

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Pingable IPs

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

IP Address	ASN	Details
218.231.216.188	AS24271 Iruma CATV co.	`2.06ms` from Tokyo, JP
218.231.219.254	AS24271 Iruma CATV co.	`1.70ms` from Tokyo, JP
218.231.217.41	AS24271 Iruma CATV co.	`2.01ms` from Tokyo, JP
218.231.218.135	AS24271 Iruma CATV co.	`1.96ms` 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
4.210.139.213	AS8075 Microsoft Corporation	`0.28ms` from Amsterdam, NL
128.251.172.5	AS8075 Microsoft Corporation	`0.54ms` from Amsterdam, NL
184.30.52.85	AS16625 Akamai Technologies, Inc.	`0.54ms` from Boston, US
100.0.21.245	AS701 Verizon Business	`2.34ms` from Boston, US
20.85.126.85	AS8075 Microsoft Corporation	`0.34ms` from Boydton, US
170.185.181.5	AS11686 Zayo Bandwidth	`12.13ms` from Chicago, US
54.76.143.213	AS16509 Amazon.com, Inc.	`0.17ms` from Dublin, IE
115.208.101.37	AS4134 CHINANET-BACKBONE	`7.82ms` from Hangzhou, CN
168.4.49.245	AS8 Rice University	`2.40ms` from Houston, US
207.38.246.165	AS6079 RCN	`3.96ms` from New York City, US
62.23.126.245	AS8220 COLT Technology Services Group Limited	`0.73ms` from Paris, FR
76.116.221.53	AS7922 Comcast Cable Communications, LLC	`6.77ms` from Secaucus, US
49.23.63.181	AS4766 Korea Telecom	`9.43ms` from Seoul, KR
218.10.34.69	AS4837 CHINA UNICOM China169 Backbone	`19.34ms` from Changchun, CN
175.9.135.37	AS4134 CHINANET-BACKBONE	`3.39ms` from Changsha, CN
71.71.163.101	AS11426 Charter Communications Inc	`5.45ms` from Charlotte, US
81.91.230.69	AS28683 SOCIETE BENINOISE D'INFRASTRUCTURES NUMERIQUES	`1.24ms` from Cotonou, BJ
93.206.22.85	AS3320 Deutsche Telekom AG	`4.88ms` from Frankfurt am Main, DE
176.96.61.133	AS9009 M247 Europe SRL	`0.28ms` from Frankfurt am Main, DE
223.223.13.197	AS18144 Enecom,Inc.	`6.37ms` from Osaka, JP
78.198.188.117	AS12322 Free SAS	`2.25ms` from Paris, FR
176.183.250.117	AS5410 Bouygues Telecom SA	`1.59ms` from Paris, FR
176.132.220.133	AS5410 Bouygues Telecom SA	`2.14ms` from Paris, FR
20.199.43.229	AS8075 Microsoft Corporation	`0.40ms` from Paris, FR
211.170.52.213	AS3786 LG DACOM Corporation	`2.75ms` from Seoul, KR

Traceroute

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

traceroute -a -n -q1 -f2 218.231.217.19

traceroute to 218.231.217.19 (218.231.217.19): 64 hops max, 52 byte packets

2 [AS15169] 142.251.66.206 220.202 ms

3 [] 210.171.224.229 231.172 ms

4 [AS24271] 202.177.65.226 230.951 ms

5 [AS24271] 218.231.217.19 242.716 ms

Measurement taken from

IPinfo ProbeNet in Madrid, ES

On December 14th 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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