1. All IP Ranges
  2. 203.0.0.0/8
  3. 203.181.0.0/16
  4. AS2907  | 203.181.192.0/18

203.181.192.0/18

AS2907  ·  Research Organization of Information and Systems, National Institute of Informatics

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Summary

Country Japan
Domain sinet.ad.jp
ASN AS2907
Registry JPNIC
ID SINET-CIDR-BLK-JP

WHOIS Details

inetnum:        203.181.192.0 - 203.181.255.255
netname:        SINET-CIDR-BLK-JP
descr:          Research Organization of Information and Systems, National Institute of Informatics
remarks:        Email address for spam or abuse complaints : [email protected]
country:        JP
admin-c:        JP00006158
tech-c:         JP00006158
last-modified:  2024-06-13T01:26:03Z
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 are contained by 203.181.192.0/18

Range ASN Company Num of IPs
203.181.194.0/23 AS7660 Asia Pacific Advanced Network - Japan 512

Nearby Ranges

BGP prefixes that overlap with 203.181.0.0/16

Range ASN Company Num of IPs
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
203.181.194.0/23 AS7660 Asia Pacific Advanced Network - Japan 512

Hosted domains

There are 17 domain names hosted across 12 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
203.181.237.85 ante-pontem.org 4
203.181.255.199 xn--mkry0lruhjse021al4q.jp 2
203.181.255.196 xn--pss25cg8hj4e.jp 2
203.181.255.205 u-keiai.ac.jp 1
203.181.243.64 physiodesigner.org 1
203.181.216.2 spring8.or.jp 1
203.181.255.249 xn--kpr44jk2bd04aty5c.jp 1
203.181.226.28 koriyama-kgc.ac.jp 1
203.181.255.114 medicalgate.jp 1
203.181.224.152 omtri.or.jp 1
203.181.244.30 kenken.go.jp 1

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

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

IP Address ASN Details
203.181.195.62 AS7660 Asia Pacific Advanced Network - Japan 0.69ms from Tokyo, JP
203.181.243.193 AS2907 Research Organization of Information and Systems, National Institute of Informatics 3.51ms from Osaka, JP
203.181.252.201 AS2907 Research Organization of Information and Systems, National Institute of Informatics 3.65ms from Osaka, JP
203.181.239.3 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.30ms from Tokyo, JP
203.181.235.1 AS2907 Research Organization of Information and Systems, National Institute of Informatics 1.24ms from Tokyo, JP
203.181.245.65 AS2907 Research Organization of Information and Systems, National Institute of Informatics 3.29ms from Tokyo, JP
203.181.226.32 AS2907 Research Organization of Information and Systems, National Institute of Informatics 8.52ms from Tokyo, JP
203.181.234.4 AS2907 Research Organization of Information and Systems, National Institute of Informatics 6.47ms from Tokyo, JP
203.181.241.97 AS2907 Research Organization of Information and Systems, National Institute of Informatics 1.60ms from Osaka, JP
203.181.255.73 AS2907 Research Organization of Information and Systems, National Institute of Informatics 0.51ms from Osaka, JP
203.181.237.84 AS2907 Research Organization of Information and Systems, National Institute of Informatics 3.28ms from Tokyo, JP
203.181.215.238 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.99ms from Osaka, JP
203.181.211.253 AS2907 Research Organization of Information and Systems, National Institute of Informatics 4.49ms from Tokyo, JP
203.181.217.200 AS2907 Research Organization of Information and Systems, National Institute of Informatics 3.03ms from Osaka, JP
203.181.232.251 AS2907 Research Organization of Information and Systems, National Institute of Informatics 5.06ms from Tokyo, JP
203.181.216.253 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.89ms from Osaka, JP
203.181.250.253 AS2907 Research Organization of Information and Systems, National Institute of Informatics 1.94ms from Tokyo, JP
203.181.194.250 AS7660 Asia Pacific Advanced Network - Japan 0.67ms from Tokyo, JP
203.181.248.10 AS7660 Asia Pacific Advanced Network - Japan 0.40ms from Tokyo, JP
203.181.244.30 AS2907 Research Organization of Information and Systems, National Institute of Informatics 3.27ms from Tokyo, JP
203.181.213.17 AS2907 Research Organization of Information and Systems, National Institute of Informatics 1.58ms from Tokyo, JP
203.181.224.1 AS2907 Research Organization of Information and Systems, National Institute of Informatics 0.80ms from Osaka, JP
203.181.247.125 AS2907 Research Organization of Information and Systems, National Institute of Informatics 1.53ms from Tokyo, JP
203.181.236.71 AS2907 Research Organization of Information and Systems, National Institute of Informatics 2.49ms from Tokyo, JP
203.181.249.40 AS7660 Asia Pacific Advanced Network - Japan 0.38ms 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
68.80.126.210 AS7922 Comcast Cable Communications, LLC 8.07ms from Ashburn, US
73.10.132.114 AS7922 Comcast Cable Communications, LLC 7.34ms from Ashburn, US
104.2.95.178 AS7018 AT&T Enterprises, LLC 10.47ms from Atlanta, US
190.15.242.2 AS27881 IPNEXT S.A. 3.16ms from Buenos Aires, AR
3.74.96.146 AS16509 Amazon.com, Inc. 0.16ms from Frankfurt am Main, DE
14.169.114.242 AS45899 VNPT Corp 1.55ms from Ho Chi Minh City, VN
113.228.71.242 AS4837 CHINA UNICOM China169 Backbone 5.88ms from Liaoyang, CN
62.31.144.162 AS5089 Virgin Media Limited 8.60ms from London, GB
76.214.245.194 AS7018 AT&T Enterprises, LLC 3.31ms from Miami, US
77.37.178.2 AS42610 PJSC Rostelecom 0.90ms from Moscow, RU
152.254.207.66 AS27699 TELEFÔNICA BRASIL S.A 2.06ms from Osasco, BR
116.38.33.162 AS17858 LG POWERCOMM 1.78ms from Seoul, KR
106.253.197.98 AS3786 LG DACOM Corporation 2.04ms from Seoul, KR
60.236.64.194 AS2518 BIGLOBE Inc. 8.31ms from Tokyo, JP
186.125.124.114 AS7303 Telecom Argentina S.A. 18.49ms from Asuncion, PY
59.188.37.50 AS9269 Hong Kong Broadband Network Ltd. 1.09ms from Hong Kong, HK
218.91.113.242 AS146966 China Telecom 4.24ms from Huai'an, CN
90.155.72.82 AS20712 Andrews & Arnold Ltd 3.59ms from London, GB
86.8.4.146 AS5089 Virgin Media Limited 6.15ms from London, GB
174.176.23.226 AS7922 Comcast Cable Communications, LLC 5.00ms from Miami, US
172.220.66.66 AS20115 Charter Communications LLC 15.39ms from Minneapolis, US
5.35.102.82 AS210079 EuroByte LLC 0.75ms from Moscow, RU
117.23.56.98 AS134768 CHINANET SHAANXI province Cloud Base network 6.70ms from Qingyang, CN
183.171.151.194 AS10030 Celcom Axiata Berhad 19.59ms from Sepang, MY
103.198.26.2 AS132372 GB Network Solutions Sdn. Bhd. 0.15ms from Sepang, MY

Traceroute

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

$
traceroute -a -n -q1 -m6 203.181.210.237
traceroute to 203.181.210.237 (203.181.210.237): 6 hops max, 52 byte packets
1 [AS140627] 103.112.0.1 0.147 ms
3 [] 210.171.224.150 29.328 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Agana Heights Village, GU
On

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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