$ query “AS23783” --type=asn → 1 result(s)

AS23783 · CNA

Cable Networks Akita Co. ltd.

AS23783 is run by Cable Networks Akita Co. ltd. and is a residential access provider, registered in Japan. The system announces a respectable 50 944 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Japan.

Basic Information

Country
🇯🇵 Japan
Category
Internet Service Provider
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
19 / 16
IPv6 Prefixes (raw / aggregated)
2 / 1
IPv4 Addresses
50 944
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇯🇵 Japan (78 592 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
15 networks exchanging traffic without transit
Downstream Customers
2 downstreams buying transit
Degree
21 unique BGP neighbors
Reach
3 networks in customer cone

Upstream Providers (4)

Prefix Lists

IPv4 Prefixes (19 total)

  • 61.11.128.0/18 (16 384 addresses (/18 prefix))
  • 218.185.128.0/19 (8 192 addresses (/19 prefix))
  • 193.116.32.0/19 (8 192 addresses (/19 prefix))
  • 61.11.192.0/20 (4 096 addresses (/20 prefix))
  • 27.110.96.0/20 (4 096 addresses (/20 prefix))
  • 27.110.112.0/21 (2 048 addresses (/21 prefix))
  • 219.124.104.0/21 (2 048 addresses (/21 prefix))
  • 103.54.204.0/22 (1 024 addresses (/22 prefix))
  • 203.179.252.0/22 (1 024 addresses (/22 prefix))
  • 219.124.100.0/22 (1 024 addresses (/22 prefix))
  • 203.179.244.0/23 (512 addresses (/23 prefix))
  • 203.179.248.0/23 (512 addresses (/23 prefix))
  • 210.143.122.0/23 (512 addresses (/23 prefix))
  • 202.240.66.0/23 (512 addresses (/23 prefix))
  • 219.124.98.0/23 (512 addresses (/23 prefix))
  • 202.236.116.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2403:5a00::/32