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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 218.223.0.0/20 | 4.1K |
43.0%
|
BroadBand Security, Inc. | JP | — | — |
| 218.223.0.0/21 | 2.0K |
73.6%
|
BroadBand Security, Inc. | JP | — | — |
| 218.223.8.0/22 | 1.0K |
0.0%
|
BroadBand Security, Inc. | JP | — | — |
| 218.223.12.0/23 | 512 |
0.0%
|
BroadBand Security, Inc. | JP | — | — |
| 218.223.15.0/24 | 256 |
98.8%
|
BroadBand Security, Inc. | JP | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS17953 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 |
|---|---|---|
| 218.223.8.0/21 | 7,262 | 2026-07-26 05:24:25 |
| 218.223.0.0/21 | 7,259 | 2026-07-26 05:24:25 |
| 218.223.0.0/20 | 7,106 | 2026-07-26 05:24:25 |
| 218.223.8.0/22 | 4,690 | 2026-07-26 04:17:31 |
| 218.223.4.0/22 | 4,689 | 2026-07-26 04:17:31 |
| 218.223.0.0/22 | 4,681 | 2026-07-26 04:17:31 |
| 218.223.12.0/22 | 4,677 | 2026-07-26 04:17:31 |
Frequently Asked Questions
What is AS17953?
AS17953 is an Autonomous System Number assigned to BroadBand Security, 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 AS17953 announce?
AS17953 announces 4.1K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Japan.
Who operates AS17953?
AS17953 is operated by BroadBand Security, Inc.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS17953 registered in?
AS17953 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
