JCOM Co., Ltd.

AS4721 is JCOM Co., Ltd.. It announces 631,808 IPv4 addresses in 162 prefixes, and 1 IPv6 prefixes.

Japan· APNIC· allocated 1995-08-30· business

631,808

IPv4 addresses announced

162

IPv4 prefixes

IPv6 prefixes

100.00%

of its routes RPKI-valid

631,808

of its IPv4 geolocated

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.

Japan631,808 · 100.00%

Registry record

Its ASN Whois record, as the registry publishes it.

handle: JCN
name: JCOM Co., Ltd.
country: JP
source: jpnic
updated: 2022-02-18
descr: JCOM Co., Ltd.
admin: JP00124485
tech: JP00124485

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.

VPN IP369
vpngate0.06%
Residential Proxy IP2,714
anyip, geonix, proxyseller0.43%
Datacenter Proxy IP0
None here
Mobile Proxy IP24
floppydata0.00%
Tor IP0
None here
Relay IP0
None here
Hosting IP1,792
0.28%
CDN IP0
None here
Carrier IP0
None here
Anycast IP0
None here
SSH IP56
0.01%
SMTP IP9
0.00%
DNS Resolver IP7
0.00%

IPv4 prefixes

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

162 prefixes

PREFIX	COUNTRY	RPKI	PEERS	FIRST SEEN
14.193.0.0/16	Japan	valid	17	2026-10-02
14.193.0.0/17	Japan	valid	17	2026-10-02
14.193.128.0/17	Japan	valid	17	2026-10-02
61.203.224.0/19	Japan	valid	17	2026-10-02
61.203.224.0/20	Japan	valid	17	2026-10-02
61.203.240.0/20	Japan	valid	17	2026-10-02
110.4.48.0/20	Japan	valid	17	2026-10-02
110.4.48.0/21	Japan	valid	17	2026-10-02
110.4.56.0/21	Japan	valid	17	2026-10-02
110.92.80.0/20	Japan	valid	17	2026-10-02
110.92.80.0/21	Japan	valid	17	2026-10-02
110.92.88.0/21	Japan	valid	17	2026-10-02
110.93.0.0/21	Japan	valid	17	2026-10-02
110.93.0.0/22	Japan	valid	17	2026-10-02
110.93.4.0/22	Japan	valid	17	2026-10-02
110.173.240.0/20	Japan	valid	17	2026-10-02
110.173.240.0/21	Japan	valid	17	2026-10-02
110.173.248.0/21	Japan	valid	17	2026-10-02
110.232.0.0/19	Japan	valid	17	2026-10-02
110.232.0.0/20	Japan	valid	17	2026-10-02
110.232.16.0/20	Japan	valid	17	2026-10-02
110.232.128.0/21	Japan	valid	17	2026-10-02
110.232.128.0/22	Japan	valid	17	2026-10-02
110.232.132.0/22	Japan	valid	17	2026-10-02
111.90.0.0/17	Japan	valid	17	2026-10-02
111.90.0.0/18	Japan	valid	17	2026-10-02
111.90.64.0/18	Japan	valid	17	2026-10-02
112.137.32.0/20	Japan	valid	17	2026-10-02
112.137.32.0/21	Japan	valid	17	2026-10-02
112.137.40.0/21	Japan	valid	17	2026-10-02
112.137.64.0/18	Japan	valid	17	2026-10-02
112.137.64.0/19	Japan	valid	17	2026-10-02
112.137.96.0/19	Japan	valid	17	2026-10-02
113.52.16.0/20	Japan	valid	17	2026-10-02
113.52.16.0/21	Japan	valid	17	2026-10-02
113.52.24.0/21	Japan	valid	17	2026-10-02
113.61.112.0/20	Japan	valid	17	2026-10-02
113.61.112.0/21	Japan	valid	17	2026-10-02
113.61.120.0/21	Japan	valid	17	2026-10-02
114.134.112.0/20	Japan	valid	17	2026-10-02
114.134.112.0/21	Japan	valid	17	2026-10-02
114.134.120.0/21	Japan	valid	17	2026-10-02
114.134.192.0/18	Japan	valid	17	2026-10-02
114.134.192.0/19	Japan	valid	17	2026-10-02
114.134.224.0/19	Japan	valid	17	2026-10-02
114.142.128.0/21	Japan	valid	17	2026-10-02
114.142.128.0/22	Japan	valid	17	2026-10-02
114.142.132.0/22	Japan	valid	17	2026-10-02
114.198.192.0/19	Japan	valid	17	2026-10-02
114.198.192.0/20	Japan	valid	17	2026-10-02
114.198.208.0/20	Japan	valid	17	2026-10-02
114.198.224.0/21	Japan	valid	17	2026-10-02
114.198.224.0/22	Japan	valid	17	2026-10-02
114.198.228.0/22	Japan	valid	17	2026-10-02
115.42.96.0/20	Japan	valid	17	2026-10-02
115.42.96.0/21	Japan	valid	17	2026-10-02
115.42.104.0/21	Japan	valid	17	2026-10-02
116.70.128.0/18	Japan	valid	17	2026-10-02
116.70.128.0/19	Japan	valid	17	2026-10-02
116.70.160.0/19	Japan	valid	17	2026-10-02
118.83.0.0/16	Japan	valid	17	2026-10-02
118.83.0.0/17	Japan	valid	17	2026-10-02
118.83.128.0/17	Japan	valid	17	2026-10-02
118.86.0.0/15	Japan	valid	17	2026-10-02
118.86.0.0/16	Japan	valid	17	2026-10-02
118.87.0.0/16	Japan	valid	17	2026-10-02
122.255.128.0/17	Japan	valid	17	2026-10-02
122.255.128.0/18	Japan	valid	17	2026-10-02
122.255.192.0/18	Japan	valid	17	2026-10-02
123.98.224.0/19	Japan	valid	17	2026-10-02
123.98.224.0/20	Japan	valid	17	2026-10-02
123.98.240.0/20	Japan	valid	17	2026-10-02
175.41.64.0/18	Japan	valid	17	2026-10-02
175.41.64.0/19	Japan	valid	17	2026-10-02
175.41.96.0/19	Japan	valid	17	2026-10-02
175.103.12.0/22	Japan	valid	17	2026-10-02
175.103.12.0/23	Japan	valid	17	2026-10-02
175.103.14.0/23	Japan	valid	17	2026-10-02
180.92.32.0/19	Japan	valid	17	2026-10-02
180.92.32.0/20	Japan	valid	17	2026-10-02
180.92.48.0/20	Japan	valid	17	2026-10-02
180.149.160.0/19	Japan	valid	17	2026-10-02
180.149.160.0/20	Japan	valid	17	2026-10-02
180.149.176.0/20	Japan	valid	17	2026-10-02
182.50.192.0/19	Japan	valid	17	2026-10-02
182.50.192.0/20	Japan	valid	17	2026-10-02
182.50.208.0/20	Japan	valid	17	2026-10-02
182.50.224.0/20	Japan	valid	17	2026-10-02
182.50.224.0/21	Japan	valid	17	2026-10-02
182.50.232.0/21	Japan	valid	17	2026-10-02
202.43.16.0/20	Japan	valid	17	2026-10-02
202.43.16.0/21	Japan	valid	17	2026-10-02
202.43.24.0/21	Japan	valid	17	2026-10-02
202.43.68.0/22	Japan	valid	17	2026-10-02
202.43.68.0/23	Japan	valid	17	2026-10-02
202.43.70.0/23	Japan	valid	17	2026-10-02
202.72.64.0/20	Japan	valid	17	2026-10-02
202.72.64.0/21	Japan	valid	17	2026-10-02
202.72.72.0/21	Japan	valid	17	2026-10-02
202.78.176.0/20	Japan	valid	17	2026-10-02
202.78.176.0/21	Japan	valid	17	2026-10-02
202.78.184.0/21	Japan	valid	17	2026-10-02
202.83.184.0/21	Japan	valid	17	2026-10-02
202.83.184.0/22	Japan	valid	17	2026-10-02
202.83.188.0/22	Japan	valid	17	2026-10-02
202.178.80.0/20	Japan	valid	17	2026-10-02
202.178.80.0/21	Japan	valid	17	2026-10-02
202.178.88.0/21	Japan	valid	17	2026-10-02
203.89.32.0/19	Japan	valid	17	2026-10-02
203.89.32.0/20	Japan	valid	17	2026-10-02
203.89.48.0/20	Japan	valid	17	2026-10-02
203.114.248.0/22	Japan	valid	17	2026-10-02
203.114.248.0/23	Japan	valid	17	2026-10-02
203.114.250.0/23	Japan	valid	17	2026-10-02
203.124.64.0/19	Japan	valid	17	2026-10-02
203.124.64.0/20	Japan	valid	17	2026-10-02
203.124.80.0/20	Japan	valid	17	2026-10-02
203.153.56.0/22	Japan	valid	17	2026-10-02
203.153.56.0/23	Japan	valid	17	2026-10-02
203.153.58.0/23	Japan	valid	17	2026-10-02
210.135.192.0/19	Japan	valid	17	2026-10-02
210.135.192.0/20	Japan	valid	17	2026-10-02
210.135.208.0/20	Japan	valid	17	2026-10-02
210.172.240.0/20	Japan	valid	17	2026-10-02
210.172.240.0/21	Japan	valid	17	2026-10-02
210.172.248.0/21	Japan	valid	17	2026-10-02
211.19.208.0/20	Japan	valid	17	2026-10-02
211.19.208.0/21	Japan	valid	17	2026-10-02
211.19.216.0/21	Japan	valid	17	2026-10-02
218.219.80.0/20	Japan	valid	17	2026-10-02
218.219.80.0/21	Japan	valid	17	2026-10-02
218.219.88.0/21	Japan	valid	17	2026-10-02
219.112.192.0/19	Japan	valid	17	2026-10-02
219.112.192.0/20	Japan	valid	17	2026-10-02
219.112.208.0/20	Japan	valid	17	2026-10-02
219.113.96.0/20	Japan	valid	17	2026-10-02
219.113.96.0/21	Japan	valid	17	2026-10-02
219.113.104.0/21	Japan	valid	17	2026-10-02
219.117.0.0/20	Japan	valid	17	2026-10-02
219.117.0.0/21	Japan	valid	17	2026-10-02
219.117.8.0/21	Japan	valid	17	2026-10-02
219.117.160.0/19	Japan	valid	17	2026-10-02
219.117.160.0/20	Japan	valid	17	2026-10-02
219.117.176.0/20	Japan	valid	17	2026-10-02
219.124.224.0/19	Japan	valid	17	2026-10-02
219.124.224.0/20	Japan	valid	17	2026-10-02
219.124.240.0/20	Japan	valid	17	2026-10-02
220.208.64.0/18	Japan	valid	17	2026-10-02
220.208.64.0/19	Japan	valid	17	2026-10-02
220.208.96.0/19	Japan	valid	17	2026-10-02
221.132.128.0/18	Japan	valid	17	2026-10-02
221.132.128.0/19	Japan	valid	17	2026-10-02
221.132.160.0/19	Japan	valid	17	2026-10-02
223.165.20.0/22	Japan	valid	17	2026-10-02
223.165.20.0/23	Japan	valid	17	2026-10-02
223.165.22.0/23	Japan	valid	17	2026-10-02
223.165.32.0/19	Japan	valid	17	2026-10-02
223.165.32.0/20	Japan	valid	17	2026-10-02
223.165.48.0/20	Japan	valid	17	2026-10-02
223.223.208.0/21	Japan	valid	17	2026-10-02
223.223.208.0/22	Japan	valid	17	2026-10-02
223.223.212.0/22	Japan	valid	17	2026-10-02

IPv6 prefixes

Every IPv6 prefix BGP Route saw it announce.

1 prefixes

PREFIX	COUNTRY	RPKI	PEERS	FIRST SEEN
2001:c30::/32	Japan	valid	20	2026-10-02

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