203.183.240.0/20

AS4694 · IDC Frontier Inc.

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Summary

Country	Japan
Domain	idcf.jp
ASN	AS4694
Parent Range	203.183.0.0/16
Registry	JPNIC
ID	IDCFNET-CIDR-BLK-JP

WHOIS Details

inetnum:        203.183.225.0 - 203.183.255.255
netname:        IDCFNet-CIDR-BLK-JP
descr:          IDC Frontier Inc.
remarks:        Email address for spam or abuse complaints : abuse@idc.jp
country:        JP
admin-c:        JP00169834
tech-c:         JP00169834
last-modified:  2020-06-13T03:28:26Z
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

Overlapping Ranges

BGP prefixes that contain 203.183.240.0/20

Range	ASN	Company	Num of IPs
203.183.0.0/16	AS4694	IDC Frontier Inc.	65,536

Nearby Ranges

BGP prefixes that overlap with 203.183.0.0/16

Range	ASN	Company	Num of IPs
203.183.0.0/16	AS4694	IDC Frontier Inc.	65,536
203.183.64.0/19	AS2554	IDC Frontier Inc.	8,192
203.183.32.0/20	AS2554	K&K Corporation Ltd.	4,096
203.183.200.0/21	AS2554	GLORY NET Co.,Ltd.	2,048
203.183.216.0/22	AS2554	Ocean East Inc	1,024
203.183.228.0/22	AS2554	K&K Corporation Ltd.	1,024
203.183.30.0/23	AS2554	VIZAN INC.	512
203.183.154.0/23	AS4725	SoftBank Corp.	512
203.183.153.0/24	AS4725	SoftBank Corp.	256

Hosted domains

There are 2 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

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

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

IP Address	ASN	Details
203.183.249.1	AS4694 IDC Frontier Inc.	0.83ms from Osaka, JP
203.183.255.5	AS4694 IDC Frontier Inc.	0.54ms from Osaka, JP
203.183.254.119	AS4694 IDC Frontier Inc.	0.48ms from Osaka, JP
203.183.253.77	AS4694 IDC Frontier Inc.	0.61ms 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
109.138.34.180	AS5432 Proximus NV	4.86ms from Amsterdam, NL
114.251.106.100	AS4808 China Unicom Beijing Province Network	3.34ms from Beijing, CN
149.200.66.116	AS5483 Magyar Telekom Plc.	0.97ms from Budapest, HU
156.250.116.4	AS142286 LUOGELANG (FRANCE) LIMITED	1.22ms from Hong Kong, HK
175.33.171.132	AS4804 Microplex PTY LTD	2.13ms from Melbourne, AU
76.156.67.212	AS7922 Comcast Cable Communications, LLC	8.67ms from Minneapolis, US
47.20.154.100	AS6128 Cablevision Systems Corp.	8.62ms from New York City, US
179.233.108.196	AS28573 Claro NXT Telecomunicacoes Ltda	7.17ms from Rio de Janeiro, BR
14.32.82.228	AS4766 Korea Telecom	1.51ms from Seoul, KR
31.96.55.164	AS2856 British Telecommunications PLC	4.06ms from London, GB
121.171.37.132	AS4766 Korea Telecom	0.97ms from Seoul, KR
178.129.198.116	AS28812 PJSC "Bashinformsvyaz"	9.14ms from Yekaterinburg, RU
142.0.213.196	AS40266 SpeedyQuick Networks Inc	4.52ms from Boise, US
54.76.230.116	AS16509 Amazon.com, Inc.	0.18ms from Dublin, IE
3.255.219.4	AS16509 Amazon.com, Inc.	0.45ms from Dublin, IE
81.136.242.52	AS2856 British Telecommunications PLC	4.08ms from London, GB
79.144.164.164	AS3352 TELEFONICA DE ESPANA S.A.U.	11.33ms from Madrid, ES
73.79.255.4	AS7922 Comcast Cable Communications, LLC	16.56ms from Reston, US
174.86.30.36	AS20115 Charter Communications LLC	3.08ms from St. Louis, US
210.165.158.148	AS2514 NTT PC Communications, Inc.	3.76ms from Tokyo, JP
185.29.15.52	AS60589 Liquid Systems Sp. z o.o.	5.57ms from Warsaw, PL
24.91.9.132	AS7922 Comcast Cable Communications, LLC	5.26ms from Boston, US
60.179.177.180	AS4134 CHINANET-BACKBONE	7.87ms from Hangzhou, CN
171.237.208.180	AS7552 Viettel Group	1.02ms from Hanoi, VN
69.159.122.36	AS577 Bell Canada	2.46ms from Montreal, CA

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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