203.181.194.0/23

AS7660 · Asia Pacific Advanced Network - Japan

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Summary

Country	Japan
Domain	apan.net
ASN	AS7660
Parent Range	203.181.192.0/18
Registry	JPNIC
ID	APAN-JP

WHOIS Details

inetnum:        203.181.194.0 - 203.181.195.255
netname:        APAN-JP
descr:          Asia Pacific Advanced Network - Japan
country:        JP
admin-c:        SG001JP
tech-c:         JP00037726
tech-c:         KK007JP
last-modified:  2024-04-03T19:56:03Z
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

Overlapping Ranges

BGP prefixes that contain 203.181.194.0/23

Range	ASN	Company	Num of IPs
203.181.192.0/18	AS2907	Research Organization of Information and Systems, National Institute of Informatics	16,384

Nearby Ranges

BGP prefixes that overlap with 203.181.0.0/16

Range	ASN	Company	Num of IPs
203.181.192.0/18	AS2907	Research Organization of Information and Systems, National Institute of Informatics	16,384
203.181.0.0/18	AS4685	Asahi Net	16,384
203.181.96.0/19	AS2516	KDDI CORPORATION	8,192
203.181.64.0/20	AS10013	Dream Train Internet Inc.	4,096
203.181.80.0/23	AS10013	Dream Train Internet 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

Read more

Pingable IPs

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

IP Address	ASN	Details
203.181.194.158	AS7660 Asia Pacific Advanced Network - Japan	`0.73ms` from Tokyo, JP
203.181.195.62	AS7660 Asia Pacific Advanced Network - Japan	`0.71ms` 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
73.250.217.231	AS7922 Comcast Cable Communications, LLC	`6.62ms` from Ashburn, US
36.137.149.199	AS56047 China Mobile communications corporation	`0.42ms` from Changsha, CN
52.158.221.55	AS8075 Microsoft Corporation	`0.17ms` from Des Moines, US
23.102.62.39	AS8075 Microsoft Corporation	`0.17ms` from Dublin, IE
67.197.9.183	AS14615 Comporium, Inc	`10.34ms` from Durham, US
93.233.138.247	AS3320 Deutsche Telekom AG	`7.80ms` from Frankfurt am Main, DE
27.78.38.183	AS7552 Viettel Group	`0.99ms` from Ho Chi Minh City, VN
73.116.107.215	AS7922 Comcast Cable Communications, LLC	`10.23ms` from Los Angeles, US
148.3.124.231	AS12430 VODAFONE ESPANA S.A.U.	`7.99ms` from Madrid, ES
151.249.150.71	AS42772 Unitary enterprise A1	`4.30ms` from Minsk, BY
39.83.139.55	AS4837 CHINA UNICOM China169 Backbone	`7.27ms` from Qingdao, CN
136.38.18.199	AS16591 Google Fiber Inc.	`1.34ms` from Salt Lake City, US
20.212.150.199	AS8075 Microsoft Corporation	`0.62ms` from Singapore, SG
104.240.68.39	AS5650 Frontier Communications of America, Inc.	`12.26ms` from Ashburn, US
154.176.120.231	AS8452 TE-AS	`3.98ms` from Cairo, EG
113.166.86.151	AS45899 VNPT Corp	`5.54ms` from Da Nang, VN
24.155.59.183	AS7459 Grande Communications Networks, LLC	`13.57ms` from Houston, US
121.123.205.7	AS9534 Binariang Berhad	`1.59ms` from Kuala Lumpur, MY
132.249.21.199	AS195 San Diego Supercomputer Center	`2.65ms` from Los Angeles, US
75.83.179.39	AS20001 Charter Communications Inc	`7.02ms` from Los Angeles, US
77.227.94.183	AS12430 VODAFONE ESPANA S.A.U.	`4.34ms` from Madrid, ES
212.165.52.7	AS41497 INTRED S.P.A.	`10.74ms` from Milan, IT
112.227.240.247	AS4837 CHINA UNICOM China169 Backbone	`5.08ms` from Qingdao, CN
191.185.133.87	AS28573 Claro NXT Telecomunicacoes Ltda	`9.08ms` from Rio de Janeiro, BR
95.104.98.199	AS16010 Magticom Ltd.	`0.54ms` from Tbilisi, GE

Traceroute

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

traceroute -a -n -q1 203.181.194.250

traceroute to 203.181.194.250 (203.181.194.250): 64 hops max, 52 byte packets

1 [AS202422] 202.78.167.1 0.217 ms

2 [AS199524] 92.223.63.81 0.106 ms

3 *

4 [AS7660] 203.181.194.250 1.161 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On January 30th 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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