Autonomous system
AS4721: JCOM Co., Ltd.
Japan · consumer ISP
Estimated users is a published estimate of how many people use this network, extrapolated from 943,986 observations over a 60 day window. Large operators often run several networks, so a low figure can mean their customers reach the internet through a sibling network.
What this tells you
- An estimated 632,296 people using this network are in Japan, 0.6% of everyone online there.
- The same operator runs 10 other networks, and a larger one (AS9824) carries more of their users, so this network is only part of their footprint.
Countries in this space
Space we can place in a country covers 100% of this network's IPv4 space and 100% of its IPv6 space. The table below divides that space.
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Japan | 100% | 100% |
Organisations holding assignments here
None of this space is registered to an organisation we can name.
Anonymizer signals
Flagged space covers <0.1% of this network's IPv4 space. The table below divides that space.
| Category | IPv4 share | |
|---|---|---|
| Open proxy | 100% | |
| VPN | 28% |
One address can carry more than one of these, so the rows add up to more than the space they cover.
Other networks from this operator (10 in total)
| ASN | Name | Estimated users |
|---|---|---|
| AS9824 | JCOM Co., Ltd. | 4,901,120 |
| AS9617 | JCOM Co., Ltd. | 1,467,422 |
| AS9378 | JCOM Co., Ltd. | 47,309 |
| AS18136 | JCOM Co., Ltd. | 44,316 |
| AS18134 | JCOM Co., Ltd. | 24,766 |
| AS23788 | JCOM Co., Ltd. | 15,473 |
| AS24276 | JCOM Co., Ltd. | 10,189 |
| AS45675 | JCOM Co., Ltd. | 1,765 |
See the combined view for JCOM Co., Ltd., where all 11 of their networks are totalled together.
Every figure on this page is also JSON: /api/v2/directory/asn/4721. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.