AS17975
AS # for peering purpose with IX and ISP.
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 |
|---|---|---|---|---|---|---|
| 203.169.32.0/22 | 1.0K |
0.9%
|
AS # for peering purpose with IX and ISP. | HK | — | — |
| 221.120.184.0/22 | 1.0K |
0.3%
|
AS # for peering purpose with IX and ISP. | HK | — | — |
| 203.169.46.0/23 | 512 |
0.0%
|
AS # for peering purpose with IX and ISP. | HK | — | — |
| 221.120.176.0/23 | 512 |
2.0%
|
AS # for peering purpose with IX and ISP. | HK | — | — |
| 221.120.179.0/24 | 256 |
0.4%
|
AS # for peering purpose with IX and ISP. | HK | — | — |
| 221.120.180.0/24 | 256 |
0.0%
|
AS # for peering purpose with IX and ISP. | HK | — | — |
| 221.120.183.0/24 | 256 |
1.2%
|
AS # for peering purpose with IX and ISP. | HK | — | — |
| 221.120.189.0/24 | 256 |
1.2%
|
AS # for peering purpose with IX and ISP. | HK | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS17975 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 |
|---|---|---|
| 221.120.177.0/24 | 64,093 | 2026-08-01 02:12:39 |
| 221.120.176.0/24 | 63,352 | 2026-08-01 02:12:39 |
| 221.120.185.0/24 | 61,774 | 2026-08-01 02:12:39 |
| 221.120.184.0/24 | 61,514 | 2026-08-01 02:12:39 |
| 221.120.187.0/24 | 61,099 | 2026-08-01 02:12:39 |
| 221.120.186.0/24 | 59,844 | 2026-08-01 02:12:39 |
| 221.120.189.0/24 | 58,882 | 2026-08-01 02:12:39 |
| 203.169.46.0/24 | 55,702 | 2026-08-01 02:09:55 |
| 221.120.183.0/24 | 11,511 | 2026-08-01 02:12:39 |
| 203.169.35.0/24 | 5,283 | 2026-08-01 02:09:55 |
| 203.169.32.0/24 | 5,236 | 2026-08-01 02:09:55 |
| 203.169.33.0/24 | 5,227 | 2026-08-01 02:09:55 |
| 203.169.47.0/24 | 5,221 | 2026-08-01 02:09:55 |
| 203.169.34.0/24 | 5,214 | 2026-08-01 02:09:55 |
| 221.120.179.0/24 | 5,211 | 2026-08-01 02:12:39 |
| 221.120.180.0/24 | 5,195 | 2026-08-01 02:12:39 |
| 221.120.182.0/24 | 3,070 | 2026-07-13 15:02:31 |
Frequently Asked Questions
What is AS17975?
AS17975 is an Autonomous System Number assigned to AS # for peering purpose with IX and ISP.. 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 AS17975 announce?
AS17975 announces 4.1K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Hong Kong.
Who operates AS17975?
AS17975 is operated by AS # for peering purpose with IX and ISP.. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.
What country is AS17975 registered in?
AS17975 is registered in Hong Kong. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
