133.186.48.0/22

AS10010 · TOKAI Communications Corporation

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Summary

Country	Japan
Domain	rakus.co.jp
ASN	AS10010
Registry	JPNIC
ID	RAKUS-JP

WHOIS Details

inetnum:        133.186.50.0 - 133.186.51.255
netname:        RAKUS-JP
descr:          RAKUS CO.,LTD
country:        JP
admin-c:        KK84329JP
tech-c:         KK84329JP
last-modified:  2022-07-14T23:44:03Z
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 133.186.0.0/16

Range	ASN	Company	Num of IPs
133.186.128.0/17	AS45974	NHN Cloud Japan Corporation	32,768
133.186.64.0/18	AS131915	Hamamatsu Cable Television .Inc	16,384
133.186.0.0/20	AS10010	TOKAI Communications Corporation	4,096
133.186.24.0/21	AS131915	Hamamatsu Cable Television .Inc	2,048
133.186.16.0/21	AS131915	Hamamatsu Cable Television .Inc	2,048
133.186.56.0/21	AS63782	Omaezaki Cable Television Co.Ltd	2,048
133.186.52.0/22	AS63782	Omaezaki Cable Television Co.Ltd	1,024

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
133.186.50.7	AS10010 TOKAI Communications Corporation	`0.97ms` from Tokyo, JP
133.186.51.180	AS10010 TOKAI Communications Corporation	`0.90ms` from Tokyo, JP
133.186.49.254	AS10010 TOKAI Communications Corporation	`3.73ms` from Tokyo, JP
133.186.48.3	AS10010 TOKAI Communications Corporation	`3.89ms` 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
128.8.132.6	AS27 University of Maryland	`2.97ms` from Ashburn, US
71.226.149.118	AS7922 Comcast Cable Communications, LLC	`13.03ms` from Atlanta, US
210.12.195.22	AS4808 China Unicom Beijing Province Network	`3.21ms` from Beijing, CN
54.187.222.6	AS16509 Amazon.com, Inc.	`0.14ms` from Boardman, US
35.210.143.6	AS15169 Google LLC	`0.16ms` from Brussels, BE
102.40.55.182	AS8452 TE-AS	`8.08ms` from Cairo, EG
187.157.207.198	AS8151 UNINET	`0.62ms` from Cancún, MX
175.21.10.118	AS4837 CHINA UNICOM China169 Backbone	`5.88ms` from Changchun, CN
184.58.167.150	AS10796 Charter Communications Inc	`6.38ms` from Chicago, US
66.182.226.70	AS20135 Millennium Telcom LLC	`1.67ms` from Dallas, US
122.10.140.182	AS21859 Zenlayer Inc	`0.47ms` from Ho Chi Minh City, VN
47.86.25.86	AS45102 Alibaba (US) Technology Co., Ltd.	`0.86ms` from Hong Kong, HK
222.186.117.134	AS4134 CHINANET-BACKBONE	`4.85ms` from Huai'an, CN
175.249.197.38	AS4766 Korea Telecom	`6.88ms` from Incheon, KR
176.49.236.38	AS12389 PJSC Rostelecom	`0.63ms` from Krasnoyarsk, RU
35.186.232.86	AS396982 Google LLC	`0.07ms` from Melbourne, AU
34.75.43.182	AS396982 Google LLC	`0.15ms` from Moncks Corner, US
189.160.125.150	AS8151 UNINET	`1.80ms` from Monterrey, MX
179.96.228.246	AS17108 Honos Data Exchange Informática Ltda	`5.97ms` from Novo Hamburgo, BR
134.90.181.214	AS39927 E-Light-Telecom Ltd.	`7.34ms` from Novosibirsk, RU
101.43.175.70	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.78ms` from Beijing, CN
74.69.178.198	AS11351 Charter Communications Inc	`16.09ms` from Chicago, US
173.90.254.102	AS10796 Charter Communications Inc	`13.87ms` from Columbus, US
103.105.223.118	AS63718 Hangzhou YouYun Technology Co., Ltd.	`4.40ms` from Fuzhou, CN
113.117.189.230	AS4134 CHINANET-BACKBONE	`3.31ms` from Guangzhou, CN

Traceroute

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

traceroute -a -n -q1 133.186.49.237

traceroute to 133.186.49.237 (133.186.49.237): 64 hops max, 52 byte packets

1 [AS15169] 74.125.37.114 35.48 ms

2 *

3 *

4 *

5 [AS10010] 59.84.17.118 53.293 ms

6 [AS10010] 42.124.126.114 52.748 ms

7 [AS10010] 180.233.105.193 50.45 ms

8 [AS10010] 133.186.49.237 53.805 ms

Measurement taken from

IPinfo ProbeNet in Chang-hua, TW

On February 7th 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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