126.251.128.0/20

AS131937 · Joetsu Cable Vision

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Summary

Country	Japan
Domain	joetsu.ne.jp
ASN	AS131937
Registry	JPNIC
ID	JCV

WHOIS Details

inetnum:        126.251.128.0 - 126.251.143.255
netname:        JCV
descr:          Joetsu Cable Vision Co., Ltd.
country:        JP
admin-c:        JP00175457
tech-c:         JP00175457
last-modified:  2025-05-07T22:20:03Z
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

Nearby Ranges

BGP prefixes that overlap with 126.251.0.0/16

Range	ASN	Company	Num of IPs
126.251.0.0/19	AS131937	Joetsu Cable Vision Co.,Ltd.	8,192
126.251.64.0/20	AS24289	Kagawa T.V.Broadcast Network Co.,Ltd	4,096
126.251.32.0/21	AS131937	Joetsu Cable Vision Co.,Ltd.	2,048
126.251.112.0/21	AS131937	Joetsu Cable Vision Co., Ltd.	2,048
126.251.40.0/22	AS55381	City-Cable Shunan Corp.	1,024
126.251.44.0/23	AS55381	City-Cable Shunan Corp.	512

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
126.251.128.1	AS131937 Joetsu Cable Vision	`5.06ms` 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
149.72.225.164	AS11377 SendGrid, Inc.	`0.38ms` from Ashburn, US
80.81.140.4	AS40627 RingCentral Inc	`0.22ms` from Ashburn, US
209.155.98.228	AS7029 Windstream Communications LLC	`0.45ms` from Atlanta, US
66.153.149.132	AS21565 Horry Telephone Cooperative, Inc.	`9.11ms` from Charlotte, US
3.140.175.52	AS16509 Amazon.com, Inc.	`0.17ms` from Columbus, US
108.238.57.52	AS7018 AT&T Enterprises, LLC	`10.55ms` from Columbus, US
40.128.94.228	AS7029 Windstream Communications LLC	`0.41ms` from Miami, US
24.45.231.100	AS6128 Cablevision Systems Corp.	`7.64ms` from New York City, US
109.189.112.20	AS2119 Telenor Norge AS	`5.62ms` from Oslo, NO
210.122.3.20	AS9848 SEJONG NETWORKS	`1.02ms` from Seoul, KR
222.164.6.148	AS55430 Starhub Ltd	`2.28ms` from Singapore, SG
24.107.179.180	AS20115 Charter Communications LLC	`3.75ms` from St. Louis, US
114.26.136.164	AS3462 Data Communication Business Group	`1.67ms` from Taichung, TW
133.218.175.164	AS2497 Internet Initiative Japan Inc.	`2.21ms` from Tokyo, JP
89.223.135.228	AS21334 One Hungary Ltd.	`6.71ms` from Budapest, HU
27.4.174.20	AS17488 Hathway IP Over Cable Internet	`1.83ms` from Delhi, IN
91.49.131.84	AS3320 Deutsche Telekom AG	`7.10ms` from Frankfurt am Main, DE
176.121.201.212	AS211101 Nasteka Maksim Viktorovich	`9.17ms` from Krasnodar, RU
109.127.241.228	AS2107 ARNES	`0.94ms` from Ljubljana, SI
104.174.108.164	AS20001 Charter Communications Inc	`4.99ms` from Los Angeles, US
95.190.172.148	AS12389 PJSC Rostelecom	`7.44ms` from Novosibirsk, RU
80.136.5.84	AS3320 Deutsche Telekom AG	`5.09ms` from Nuernberg, DE
116.82.236.116	AS2527 Sony Network Communications Inc.	`3.68ms` from Osaka, JP
78.196.53.68	AS12322 Free SAS	`1.28ms` from Paris, FR
44.222.254.20	AS14618 Amazon.com, Inc.	`0.46ms` from Reston, US

Traceroute

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

traceroute -a -n -q1 -m5 126.251.134.195

traceroute to 126.251.134.195 (126.251.134.195): 5 hops max, 52 byte packets

1 [AS7806] 204.27.195.252 22.298 ms

2 [AS7806] 216.229.23.44 4.472 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Lincoln, US

On December 14th 2025

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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