$ query “AS18129” --type=asn → 1 result(s)

AS18129 — ONI

OKAYAMA NETWORK INC.

AS18129 is an enterprise stub network operated by OKAYAMA NETWORK INC., registered in Japan. The network announces a respectable 32 256 IPv4 addresses. No IPv6 support — it's 2026, just saying.

Basic Information

Country
🇯🇵 Japan
Category
Business
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
March 05, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
8 / 8
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
32 256
Largest IPv4 Prefix
/19 (8 192 addresses)
Geolocated Countries
🇯🇵 JP (13 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs out of 32 256 total (0.00%)

Connectivity Summary

Upstream Providers
2 upstream autonomous systems providing transit
Peers
13 autonomous systems exchanging traffic without transit fees
Downstream Customers
0 downstream autonomous systems buying transit
Degree
15 unique BGP neighbors (providers + customers + peers)
Reach
0 — customer cone size measuring network influence
Degree Rank
#8 763

Upstream Providers (2)

  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS17676 — GIGAINFRA

Prefix Lists

IPv4 Prefixes (8 total)

  • 202.70.224.0/19 (8 192 addresses)
  • 218.231.160.0/19 (8 192 addresses)
  • 119.47.96.0/20 (4 096 addresses)
  • 202.238.16.0/20 (4 096 addresses)
  • 219.111.208.0/20 (4 096 addresses)
  • 27.109.96.0/21 (2 048 addresses)
  • 180.200.248.0/22 (1 024 addresses)
  • 103.154.6.0/23 (512 addresses)