$ 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, based 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
June 22, 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 — 3 flagged IPs out of 4 745 216 total (0.00%)

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
8 networks exchanging traffic without transit
Downstream Customers
20 downstreams buying transit
Degree
32 unique BGP neighbors
Reach
35 networks in customer cone

Upstream Providers (4)

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