$ query “AS9824” --type=asn → 1 result(s)
AS9824 · JTCL-JP-AS
JCOM Co. Ltd.
AS9824 is run by JCOM Co. Ltd. and is a mid-size transit provider, registered in Japan. The system announces an impressive 4.7 million IPv4 addresses, including a /13, and supports IPv6. The bulk of its IP address space is in Japan, with additional presence in Australia.
Basic Information
- Country
- 🇯🇵 Japan
- Category
- Internet Service Provider
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- April 30, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 231 / 23
- IPv6 Prefixes (raw / aggregated)
- 62 / 2
- IPv4 Addresses
- 4 745 216
- Largest IPv4 Prefix
- /13 (524 288 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇯🇵 Japan (8 441 856 IPs), 🇦🇺 Australia (524 288 IPs)
- Prefix Changed
- March 12, 2026
Reputation
- Reputation
- Good — 4 flagged IPs out of 4 745 216 total (0.00%)
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 8 networks exchanging traffic without transit
- Downstream Customers
- 20 downstreams buying transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 32 unique BGP neighbors
- Reach
- 35 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (231 total)
- 110.128.0.0/13 (524 288 addresses (/13 prefix))
- 42.144.0.0/13 (524 288 addresses (/13 prefix))
- 125.8.0.0/13 (524 288 addresses (/13 prefix))
- 27.136.0.0/13 (524 288 addresses (/13 prefix))
- 119.168.0.0/13 (524 288 addresses (/13 prefix))
- 124.140.0.0/14 (262 144 addresses (/14 prefix))
- 61.24.0.0/14 (262 144 addresses (/14 prefix))
- 59.168.0.0/14 (262 144 addresses (/14 prefix))
- 116.220.0.0/14 (262 144 addresses (/14 prefix))
- 60.58.0.0/15 (131 072 addresses (/15 prefix))
- 124.144.0.0/15 (131 072 addresses (/15 prefix))
- 116.64.0.0/15 (131 072 addresses (/15 prefix))
- 60.60.0.0/15 (131 072 addresses (/15 prefix))
- 61.22.0.0/15 (131 072 addresses (/15 prefix))
- 60.62.0.0/16 (65 536 addresses (/16 prefix))
- 61.21.0.0/16 (65 536 addresses (/16 prefix))
- 59.166.0.0/16 (65 536 addresses (/16 prefix))
- 203.165.0.0/16 (65 536 addresses (/16 prefix))
- 210.20.0.0/16 (65 536 addresses (/16 prefix))
- 210.194.0.0/16 (65 536 addresses (/16 prefix))
- 220.152.0.0/18 (16 384 addresses (/18 prefix))
- 220.152.64.0/19 (8 192 addresses (/19 prefix))
- 116.214.16.0/21 (2 048 addresses (/21 prefix))
IPv6 Prefixes (62 total)
- 2405:1200::/29
- 2001:ff0::/32