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
- Trust score 65 / 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: JPIX TOKYO, BBIX Tokyo, JPNAP Tokyo: Peering, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 165.100.192.0/20 | 4.1K |
0.0%
|
AT TOKYO Corporation | JP | — | — |
| 211.132.0.0/20 | 4.1K |
4.8%
|
AT TOKYO Corporation | JP | — | — |
| 219.99.128.0/20 | 4.1K |
1.8%
|
AT TOKYO Corporation | JP | — | — |
| 119.59.64.0/21 | 2.0K |
0.5%
|
AT TOKYO Corporation | JP | — | — |
| 203.223.24.0/21 | 2.0K |
2.0%
|
AT TOKYO Corporation | JP | Tokyo | Sakuragawa |
| 110.44.20.0/22 | 1.0K |
0.0%
|
AT TOKYO Corporation | JP | — | — |
| 202.13.124.0/22 | 1.0K |
0.0%
|
AT TOKYO Corporation | JP | — | — |
| 203.89.128.0/22 | 1.0K |
1.2%
|
AT TOKYO Corporation | JP | — | — |
| 203.80.6.0/23 | 512 |
0.6%
|
AT TOKYO Corporation | JP | — | — |
| 202.243.223.0/24 | 256 |
0.0%
|
AT TOKYO Corporation | JP | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS9999 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 |
|---|---|---|
| 202.13.124.0/22 | 4,916 | 2026-07-27 18:43:05 |
| 119.59.64.0/21 | 4,898 | 2026-07-27 18:43:05 |
| 203.223.24.0/21 | 4,895 | 2026-07-27 18:43:05 |
| 165.100.192.0/20 | 4,894 | 2026-07-27 18:43:05 |
| 211.132.0.0/20 | 4,893 | 2026-07-27 18:43:05 |
| 219.99.128.0/20 | 4,891 | 2026-07-27 18:43:05 |
| 110.44.20.0/22 | 4,877 | 2026-07-27 18:43:05 |
| 203.89.128.0/22 | 4,848 | 2026-07-27 18:43:05 |
| 203.80.6.0/23 | 4,777 | 2026-07-27 18:43:10 |
| 202.243.223.0/24 | 4,720 | 2026-07-27 18:43:10 |
Frequently Asked Questions
What is AS9999?
AS9999 is an Autonomous System Number assigned to AT TOKYO Corporation. 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 AS9999 announce?
AS9999 announces 20.2K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in Japan.
Who operates AS9999?
AS9999 is operated by AT TOKYO Corporation. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS9999 registered in?
AS9999 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
