Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 4 internet exchanges: JPNAP Tokyo: Peering, BBIX Tokyo, JPIX OSAKA, BBIX Osaka
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 202.70.224.0/19 | 8.2K |
97.1%
|
OKAYAMA NETWORK INC. | JP | Okayama | Okayama |
| 218.231.160.0/19 | 8.2K |
47.5%
|
OKAYAMA NETWORK INC. | JP | Okayama | Okayama |
| 119.47.96.0/20 | 4.1K |
98.8%
|
OKAYAMA NETWORK INC. | JP | Okayama | Okayama |
| 202.238.16.0/20 | 4.1K |
96.2%
|
OKAYAMA NETWORK INC. | JP | Okayama | Okayama |
| 219.111.208.0/20 | 4.1K |
63.0%
|
OKAYAMA NETWORK INC. | JP | Okayama | Okayama |
| 27.109.96.0/21 | 2.0K |
93.6%
|
OKAYAMA NETWORK INC. | JP | Okayama | Okayama |
| 180.200.248.0/22 | 1.0K |
98.8%
|
OKAYAMA NETWORK INC. | JP | — | — |
| 103.154.6.0/23 | 512 |
95.1%
|
OKAYAMA NETWORK INC. | JP | Okayama | Okayama |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS18129 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 202.238.16.0/20 | 4,983 | 2026-07-29 00:56:43 |
| 202.70.224.0/19 | 4,949 | 2026-07-29 00:56:43 |
| 103.154.6.0/23 | 4,891 | 2026-07-29 00:56:43 |
| 219.111.208.0/20 | 4,758 | 2026-07-29 00:57:30 |
| 218.231.160.0/19 | 4,755 | 2026-07-29 00:57:30 |
| 180.200.248.0/22 | 4,699 | 2026-07-29 00:57:30 |
| 27.109.96.0/21 | 4,645 | 2026-07-29 00:57:30 |
| 119.47.96.0/20 | 4,639 | 2026-07-29 00:57:30 |
Frequently Asked Questions
What is AS18129?
AS18129 is an Autonomous System Number assigned to OKAYAMA NETWORK INC.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS18129 announce?
AS18129 announces 32.3K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Japan.
Who operates AS18129?
AS18129 is operated by OKAYAMA NETWORK INC.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS18129 registered in?
AS18129 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
