170.249.64.0/21

AS131937  ·  Joetsu Cable Vision

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Summary

Country Japan
Domain jcv.co.jp
ASN AS131937
Registry APNIC
ID JCV

WHOIS Details

inetnum:        170.249.64.0 - 170.249.71.255
netname:        JCV
descr:          Joetsu Cable Vision Co.,Ltd.
descr:          2-2-27,Nishishiro-chou,Joetsu,Niigata 943-8522,Japan
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Email address for spam or abuse complaints : jcv-ix-isp@jcv.co.jp
country:        JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
mnt-routes:     MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
status:         ALLOCATED PORTABLE
last-modified:  2018-12-12T06:11:38Z
source:         APNIC

irt:            IRT-JPNIC-JP
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, japan
e-mail:         hostmaster@nic.ad.jp
abuse-mailbox:  hostmaster@nic.ad.jp
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        hostmaster@nic.ad.jp was validated on 2024-11-27
mnt-by:         MAINT-JPNIC
last-modified:  2025-09-04T01:00:00Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC

inetnum:        170.249.64.0 - 170.249.71.255
netname:        JCV
descr:          Joetsu Cable Vision Co.,Ltd.
country:        JP
admin-c:        JP00164408
tech-c:         JP00164408
last-modified:  2019-06-27T23:02:04Z
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 170.249.0.0/16

Range ASN Company Num of IPs
170.249.128.0/18 AS13760 Uniti Fiber Holdings Inc. 16,384
170.249.96.0/19 AS131937 Joetsu Cable Vision Co.,Ltd. 8,192
170.249.32.0/19 AS11290 Cogeco Connexion inc 8,192
170.249.208.0/20 AS63410 PrivateSystems Networks GA 4,096
170.249.192.0/20 AS63410 PrivateSystems Networks GA 4,096
170.249.72.0/21 AS19971 Q CENTER LLC 2,048
170.249.80.0/21 AS11290 Cogeco Connexion inc 2,048
170.249.244.0/22 AS63410 PrivateSystems Networks GA 1,024
170.249.88.0/22 AS26709 Racksquared 1,024
170.249.248.0/22 AS30277 PrivateSystems Networks TX 1,024
170.249.252.0/22 AS30277 PrivateSystems Networks TX 1,024
170.249.143.0/24 AS30102 Baldwin County Commission 256

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

Pingable IPs

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

IP Address ASN Details
170.249.65.53 AS131937 Joetsu Cable Vision 6.05ms from Tokyo, JP
170.249.71.10 AS131937 Joetsu Cable Vision 5.21ms from Tokyo, JP
170.249.67.173 AS131937 Joetsu Cable Vision 5.48ms from Tokyo, JP
170.249.64.1 AS131937 Joetsu Cable Vision 5.08ms from Tokyo, JP
170.249.68.45 AS131937 Joetsu Cable Vision 5.16ms from Tokyo, JP
170.249.69.92 AS131937 Joetsu Cable Vision 5.17ms from Tokyo, JP
170.249.66.40 AS131937 Joetsu Cable Vision 5.59ms from Tokyo, JP
170.249.70.126 AS131937 Joetsu Cable Vision 5.40ms 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
77.167.44.181 AS1136 KPN B.V. 7.04ms from Amsterdam, NL
75.109.27.53 AS19108 Optimum 13.91ms from Ashburn, US
71.120.136.117 AS701 Verizon Business 7.21ms from Ashburn, US
67.62.19.21 AS7029 Windstream Communications LLC 0.31ms from Atlanta, US
185.134.214.21 AS43451 Slovanet a.s. 0.22ms from Bratislava, SK
168.194.216.21 AS264760 Allocati Santiago Mario 0.15ms from Buenos Aires, AR
3.23.88.85 AS16509 Amazon.com, Inc. 0.72ms from Columbus, US
192.194.8.85 AS1759 Telia Finland Oyj 3.40ms from Helsinki, FI
123.253.13.85 AS45117 Ishan's Network 0.86ms from Hyderabad, IN
58.123.8.85 AS9318 SK Broadband Co Ltd 1.08ms from Incheon, KR
218.234.90.37 AS9318 SK Broadband Co Ltd 7.61ms from Incheon, KR
195.87.89.53 AS15924 Vodafone Net Iletisim Hizmetler AS 2.35ms from Istanbul, TR
186.218.49.21 AS28573 Claro NXT Telecomunicacoes Ltda 12.79ms from Joao Pessoa, BR
31.35.172.101 AS5410 Bouygues Telecom SA 3.65ms from Lyon, FR
47.18.167.37 AS6128 Cablevision Systems Corp. 2.65ms from New York City, US
92.63.74.5 AS8510 Tomsk State University 5.83ms from Novosibirsk, RU
71.47.35.101 AS33363 Charter Communications, Inc 6.37ms from Orlando, US
81.80.55.133 AS3215 Orange S.A. 3.41ms from Paris, FR
75.202.8.69 AS6167 Verizon Business 12.27ms from Portland, US
73.151.73.197 AS7922 Comcast Cable Communications, LLC 4.66ms from San Jose, US
189.141.28.21 AS8151 UNINET 1.08ms from Santiago de Queretaro, MX
20.226.63.5 AS8075 Microsoft Corporation 0.20ms from Sao Paulo, BR
121.179.29.85 AS4766 Korea Telecom 5.53ms from Seoul, KR
121.182.3.133 AS4766 Korea Telecom 4.53ms from Seoul, KR
23.235.96.85 AS7782 Alaska Communications Systems Group, Inc. 0.35ms from Anchorage, US

Traceroute

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

$
traceroute -a -n -q1 -f4 170.249.67.49
traceroute to 170.249.67.49 (170.249.67.49): 64 hops max, 52 byte packets
4 [] 210.173.176.117 6.224 ms
5 *
6 *
Measurement taken from IPinfo ProbeNet in Tokyo, JP
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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