AS7660
Asia Pacific Advanced Network - Japan
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 2 internet exchanges: JPIX TOKYO, DIX-IE
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 203.181.194.0/23 | 512 |
13.1%
|
Asia Pacific Advanced Network - Japan | JP | — | — |
| 203.181.248.0/23 | 512 |
43.8%
|
Asia Pacific Advanced Network - Japan | JP | — | — |
| 203.181.249.0/24 | 256 |
0.0%
|
Asia Pacific Advanced Network - Japan | JP | — | — |
| 203.181.248.0/25 | 128 |
0.0%
|
Asia Pacific Advanced Network - Japan | JP | — | — |
| 203.181.248.128/26 | 64 |
0.0%
|
Asia Pacific Advanced Network - Japan | JP | — | — |
| 203.181.248.224/27 | 32 |
0.0%
|
Asia Pacific Advanced Network - Japan | JP | — | — |
| 203.181.248.208/28 | 16 |
0.0%
|
Asia Pacific Advanced Network - Japan | JP | — | — |
| 203.181.248.192/29 | 8 |
0.0%
|
Asia Pacific Advanced Network - Japan | JP | — | — |
| 203.181.248.204/30 | 4 |
0.0%
|
Asia Pacific Advanced Network - Japan | JP | — | — |
| 203.181.248.200/31 | 2 |
0.0%
|
Asia Pacific Advanced Network - Japan | JP | — | — |
| 203.181.248.202/31 | 2 |
0.0%
|
Asia Pacific Advanced Network - Japan | HK | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS7660 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 |
|---|---|---|
| 203.181.194.0/23 | 5,706 | 2026-07-29 08:12:22 |
| 203.181.248.0/23 | 5,702 | 2026-07-29 08:12:22 |
Frequently Asked Questions
What is AS7660?
AS7660 is an Autonomous System Number assigned to Asia Pacific Advanced Network - Japan. 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 AS7660 announce?
AS7660 announces 1.0K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Japan.
Who operates AS7660?
AS7660 is operated by Asia Pacific Advanced Network - Japan. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS7660 registered in?
AS7660 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
