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AS131937

Joetsu Cable Vision

AS131937 is Joetsu Cable Vision (jcv.co.jp). It announces 33,280 IPv4 addresses in 10 prefixes, and 2 IPv6 prefixes.

Japan· APNIC· allocated 2011-08-04· isp

33,280
IPv4 addresses announced
10
IPv4 prefixes
2
IPv6 prefixes
100.00%
of its routes RPKI-valid
33,280
of its IPv4 geolocated
1
country

Where its space is

The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.

  1. Japan33,280 · 100.00%

Registry record

Its ASN Whois record, as the registry publishes it.

handle
JCV
name
Joetsu Cable Vision
country
JP
source
jpnic
updated
2018-07-25
descr
Joetsu Cable Vision
admin
JP00164408
tech
JP00164408

What the databases see

Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.

IPv4 prefixes

Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.

10 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
103.118.92.0/22Japanvalid172026-10-02
103.152.66.0/23Japanvalid172026-10-02
126.251.0.0/19Japanvalid172026-10-02
126.251.32.0/21Japanvalid172026-10-02
126.251.112.0/21Japanvalid172026-10-02
126.251.128.0/20Japanvalid172026-10-02
126.251.144.0/20Japanvalid172026-10-02
170.249.64.0/21Japanvalid172026-10-02
170.249.96.0/19Japanvalid172026-10-02
202.223.12.0/22Japanvalid172026-10-02

IPv6 prefixes

Every IPv6 prefix BGP Route saw it announce.

2 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
2403:4040::/32Japanvalid192026-10-02
2406:2b40::/32Japanvalid192026-10-02
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell — priced by scope, not by seat.
Annual terms, a named contact, and flexible payment terms — monthly, quarterly or yearly.