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 1 internet exchange: JPIX TOKYO
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 110.50.240.0/20 | 4.1K |
98.4%
|
CLARA, Inc. | JP | — | — |
| 182.50.96.0/20 | 4.1K |
98.7%
|
CLARA, Inc. | JP | — | — |
| 182.54.176.0/20 | 4.1K |
61.5%
|
CLARA, Inc. | JP | Tokyo | Tokyo |
| 116.197.136.0/21 | 2.0K |
99.5%
|
CLARA, Inc. | JP | — | — |
| 119.18.216.0/21 | 2.0K |
98.8%
|
CLARA, Inc. | JP | — | — |
| 124.108.32.0/21 | 2.0K |
98.7%
|
CLARA, Inc. | JP | — | — |
| 202.45.160.0/21 | 2.0K |
92.7%
|
CLARA, Inc. | JP | — | — |
| 202.51.8.0/21 | 2.0K |
93.6%
|
CLARA, Inc. | JP | — | — |
| 42.123.32.0/22 | 1.0K |
0.0%
|
CLARA, Inc. | JP | — | — |
| 202.3.140.0/22 | 1.0K |
86.2%
|
CLARA, Inc. | JP | — | — |
| 198.180.142.0/24 | 256 |
96.1%
|
CLARA, Inc. | JP | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS23661 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 |
|---|---|---|
| 42.123.32.0/22 | 5,388 | 2026-07-29 12:44:16 |
| 198.180.142.0/24 | 5,383 | 2026-07-29 12:44:21 |
| 202.45.160.0/21 | 5,363 | 2026-07-29 12:57:48 |
| 202.51.8.0/21 | 5,313 | 2026-07-29 12:57:48 |
| 202.3.140.0/22 | 5,311 | 2026-07-29 12:57:48 |
| 182.50.104.0/21 | 5,307 | 2026-07-29 12:57:48 |
| 182.50.96.0/21 | 5,288 | 2026-07-29 12:57:48 |
| 182.54.176.0/20 | 5,287 | 2026-07-29 12:57:48 |
| 110.50.240.0/20 | 5,275 | 2026-07-29 12:57:48 |
| 119.18.216.0/21 | 5,271 | 2026-07-29 12:57:48 |
| 116.197.136.0/21 | 5,239 | 2026-07-29 12:57:48 |
| 124.108.32.0/21 | 5,238 | 2026-07-29 12:57:48 |
Frequently Asked Questions
What is AS23661?
AS23661 is an Autonomous System Number assigned to CLARA, 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 AS23661 announce?
AS23661 announces 24.8K IPv4 addresses distributed across 11 routed CIDR prefixes. The network is registered in Japan.
Who operates AS23661?
AS23661 is operated by CLARA, Inc.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS23661 registered in?
AS23661 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
