Autonomous System details

AS23623

Chuo University  ·  chuo-u.ac.jp

Japan
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AS23623 – Chuo University

Field Value
Country Japan
Website chuo-u.ac.jp
Hosted domains 3
IPv4 addresses 65,536
IPv6 addresses 0
ASN type Education
Registry jpnic
Updated 13 years ago on Apr 04, 2013

IP Ranges

Netblock Company Num of IPs
133.91.0.0/16 Japan Network Information Center 65,536

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS23623
                                                OrgID:          AS23623
                                                ASName:         AS23623
                                                ASNumber:       AS23623
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 3 domain names hosted across 3 IP addresses on this ASN.

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IP Address Domain Domains on this IP
133.91.20.52 █████████ 1
133.91.122.81 ██████████ 1
133.91.20.69 ███████ 1

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Peers

There is 1 peer for this ASN.

Peers Name
AS2907 Research Organization of Information and Systems, National Institute of Informatics
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS2907 Research Organization of Information and Systems, National Institute of Informatics
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address ASN Details
133.91.226.254 AS23623 Chuo University 2.88ms from Tokyo, JP
133.91.208.62 AS23623 Chuo University 2.96ms from Tokyo, JP
133.91.122.81 AS23623 Chuo University 1.53ms from Tokyo, JP
133.91.105.12 AS23623 Chuo University 1.40ms from Tokyo, JP
133.91.99.84 AS23623 Chuo University 1.52ms from Tokyo, JP
133.91.141.143 AS23623 Chuo University 2.65ms from Tokyo, JP
133.91.140.254 AS23623 Chuo University 2.86ms from Tokyo, JP
133.91.44.27 AS23623 Chuo University 2.62ms from Tokyo, JP
133.91.40.7 AS23623 Chuo University 1.27ms from Tokyo, JP
133.91.179.5 AS23623 Chuo University 2.71ms from Tokyo, JP
133.91.254.11 AS23623 Chuo University 1.09ms from Tokyo, JP
133.91.61.2 AS23623 Chuo University 1.31ms from Tokyo, JP
133.91.169.237 AS23623 Chuo University 2.82ms from Tokyo, JP
133.91.153.254 AS23623 Chuo University 2.89ms from Tokyo, JP
133.91.174.254 AS23623 Chuo University 2.88ms from Tokyo, JP
133.91.181.254 AS23623 Chuo University 2.86ms from Tokyo, JP
133.91.154.254 AS23623 Chuo University 2.84ms from Tokyo, JP
133.91.20.2 AS23623 Chuo University 1.28ms from Tokyo, JP
133.91.134.183 AS23623 Chuo University 2.86ms from Tokyo, JP
133.91.152.254 AS23623 Chuo University 2.81ms from Tokyo, JP
133.91.157.254 AS23623 Chuo University 2.99ms from Tokyo, JP
133.91.212.190 AS23623 Chuo University 2.93ms from Tokyo, JP
133.91.8.220 AS23623 Chuo University 1.30ms from Tokyo, JP
133.91.211.254 AS23623 Chuo University 2.94ms from Tokyo, JP
133.91.125.252 AS23623 Chuo University 1.45ms 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
35.166.8.39 AS16509 Amazon.com, Inc. 0.17ms from Boardman, US
138.84.49.247 AS14593 Space Exploration Technologies Corporation 13.58ms from Bogotá, CO
172.225.222.39 AS36183 Akamai Technologies, Inc. 0.36ms from Buenos Aires, AR
125.81.129.183 AS4134 CHINANET-BACKBONE 2.76ms from Chongqing, CN
13.67.191.7 AS8075 Microsoft Corporation 0.35ms from Des Moines, US
18.200.220.215 AS16509 Amazon.com, Inc. 0.29ms from Dublin, IE
116.99.150.103 AS7552 Viettel Group 6.17ms from Hanoi, VN
97.246.7.23 AS6167 Verizon Business 14.66ms from Los Angeles, US
79.16.136.167 AS3269 Telecom Italia S.p.A. 1.88ms from Milan, IT
70.24.217.87 AS577 Bell Canada 9.12ms from Montreal, CA
81.250.215.87 AS3215 Orange S.A. 2.83ms from Paris, FR
177.35.244.167 AS28573 Claro NXT Telecomunicacoes Ltda 5.45ms from Porto Alegre, BR
207.196.175.55 AS3807 University of Montana 12.07ms from Seattle, US
58.227.228.55 AS9318 SK Broadband Co Ltd 3.32ms from Seoul, KR
189.41.128.55 AS53006 ALGAR TELECOM S/A 7.05ms from Uberlandia, BR
117.202.199.135 AS9829 National Internet Backbone 12.58ms from Chennai, IN
192.17.172.7 AS38 University of Illinois 4.55ms from Chicago, US
14.153.178.23 AS4134 CHINANET-BACKBONE 2.47ms from Guangzhou, CN
116.47.181.39 AS17858 LG POWERCOMM 2.50ms from Incheon, KR
4.188.249.247 AS8075 Microsoft Corporation 0.16ms from Lohogaon, IN
95.146.233.199 AS2856 British Telecommunications PLC 2.09ms from London, GB
146.70.10.7 AS9009 M247 Europe SRL 0.09ms from Miami, US
189.121.156.7 AS28573 Claro NXT Telecomunicacoes Ltda 2.02ms from Osasco, BR
75.142.141.215 AS20115 Charter Communications LLC 19.31ms from San Jose, US
96.102.219.151 AS7922 Comcast Cable Communications, LLC 14.08ms from Seattle, US

Traceroute

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

$
traceroute -a -n -q1 -f2 -m8 133.91.165.29
traceroute to 133.91.165.29 (133.91.165.29): 8 hops max, 52 byte packets
2 [] 210.173.176.94 11.542 ms
3 [AS2907] 150.99.11.32 8.943 ms
4 [AS2907] 150.99.180.150 16.513 ms
5 [AS23623] 133.91.254.2 14.771 ms
6 *
7 *
8 *
Measurement taken from IPinfo ProbeNet in Nagano, JP
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS23623 at robtex.

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