133.223.21.0/24

AS151386 · NHN Cloud Japan Corporation

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Summary

Country	Japan
Domain	nhn-cloud.co.jp
ASN	AS151386
Registry	JPNIC
ID	NCJ-NET1

WHOIS Details

inetnum:        133.223.21.0 - 133.223.21.255
netname:        NCJ-NET1
descr:          NHN Cloud Japan Corporation
remarks:        Email address for spam or abuse complaints : dl_ip_resource@nhn-cloud.co.jp
country:        JP
admin-c:        JP00256029
tech-c:         JP00256029
last-modified:  2024-06-27T00:44:02Z
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

Nearby Ranges

BGP prefixes that overlap with 133.223.0.0/16

Range	ASN	Company	Num of IPs
133.223.15.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.16.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.17.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.18.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.19.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.20.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.22.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.23.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.24.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.25.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.26.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.27.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.28.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.29.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.30.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.31.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.32.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.33.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.34.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.35.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.36.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.37.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.38.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.39.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.40.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.41.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.42.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.43.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.44.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.45.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.46.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.47.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.48.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.49.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.50.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.51.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.52.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.53.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.54.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.55.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.56.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.57.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.58.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.59.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.60.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.61.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.62.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.63.0/24	AS151386	NHN Cloud Japan Corporation	256
133.223.64.0/24	AS151386	NHN Cloud Japan Corporation	256

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

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

IP Address	ASN	Details
133.223.21.84	AS151386 NHN Cloud Japan Corporation	`1.14ms` 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
18.221.102.200	AS16509 Amazon.com, Inc.	`0.14ms` from Columbus, US
68.55.212.216	AS7922 Comcast Cable Communications, LLC	`8.10ms` from Flint, US
211.66.241.8	AS4538 China Education and Research Network Center	`2.19ms` from Guangzhou, CN
88.67.53.168	AS3209 Vodafone GmbH	`5.00ms` from Hamburg, DE
14.189.243.120	AS45899 VNPT Corp	`2.61ms` from Hanoi, VN
128.97.35.56	AS52 University of California, Los Angeles	`0.73ms` from Los Angeles, US
115.129.100.72	AS7545 TPG Telecom Limited	`1.72ms` from Melbourne, AU
83.242.82.24	AS30838 Jerzy Krempa "Telpol" PPMUE	`10.49ms` from Prague, CZ
54.234.213.40	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
141.95.141.184	AS16276 OVH SAS	`0.08ms` from Roubaix, FR
24.68.78.56	AS6327 Shaw Communications	`6.99ms` from Seattle, US
222.122.48.24	AS4766 Korea Telecom	`1.38ms` from Seoul, KR
119.116.112.104	AS4837 CHINA UNICOM China169 Backbone	`3.07ms` from Tieling, CN
102.159.52.88	AS37705 TOPNET	`2.53ms` from Tunis, TN
50.49.185.232	AS5650 Frontier Communications of America, Inc.	`6.88ms` from Ashburn, US
103.57.81.120	AS135724 Allnet Broadband Network Pvt Ltd	`6.93ms` from Chennai, IN
98.29.85.184	AS10796 Charter Communications Inc	`9.56ms` from Columbus, US
58.243.218.72	AS4837 CHINA UNICOM China169 Backbone	`7.72ms` from Nanjing, CN
91.56.246.8	AS3320 Deutsche Telekom AG	`6.24ms` from Nuernberg, DE
180.14.169.8	AS4713 NTT DOCOMO BUSINESS,Inc.	`14.86ms` from Osaka, JP
90.21.54.136	AS3215 Orange S.A.	`11.99ms` from Paris, FR
68.66.131.56	AS393571 Konica Minolta Business Solutions U.S.A, Inc.	`1.29ms` from Phoenix, US
83.8.64.56	AS5617 Orange Polska Spolka Akcyjna	`1.72ms` from Poznan, PL
201.214.252.24	AS22047 VTR BANDA ANCHA S.A.	`1.14ms` from Santiago, CL
27.239.123.232	AS4766 Korea Telecom	`5.84ms` 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 -f4 133.223.21.251

traceroute to 133.223.21.251 (133.223.21.251): 64 hops max, 52 byte packets

4 [AS6939] 184.104.210.110 1.322 ms

5 [AS3356] 8.244.128.158 2.318 ms

6 [AS151386] 133.223.16.18 7.454 ms

7 [AS151386] 133.223.21.251 11.457 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On January 19th 2026

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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