Результат проверки ASN AS45250 Siang Yu Science And Technology Limited — размер сети, BGP-маршрутизация и регистрация
IPv4 addresses
10 240
41 announced prefixes
IPv6 addresses
7.92 × 10²⁸
7 announced prefixes
BGP neighbours
…
CAIDA rank
#1 218
Customer cone 30 ASNs
Estimated users
635
APNIC: 644
RPKI
33% valid
0 invalid · 32 not covered
Average purity
75
1 sampled IPs
IXPs / facilities
5 / 19
Operator self-reported
History
How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.
Loading routing history…
IP ranges
Currently announced prefixes with their RIR registration and geolocation.
| Prefix | RPKI | Registration | Geolocation | Addresses |
|---|---|---|---|---|
| 38.150.64.0/22 | Not found | — |  United States | 1 024 |
| 103.75.78.0/23 | Valid |  SHING-HKAPNIC | Hong Kong | 512 |
| 38.70.77.0/24 | Not found | — | Los Angeles | 256 |
| 38.150.64.0/24 | Not found | — | United States | 256 |
| 38.150.65.0/24 | Not found | — | United States | 256 |
| 38.150.66.0/24 | Not found | — | United States | 256 |
| 38.150.69.0/24 | Not found | — | United States | 256 |
| 38.150.71.0/24 | Not found | — | United States | 256 |
| 45.135.46.0/24 | Not found |  HK-HKKWAIFONG-20190730RIPE |  TokyoCross-border | 256 |
| 103.40.77.0/24 | Valid | SZKF-HKAPNIC | Hong Kong | 256 |
| 103.75.78.0/24 | Valid | SHING-HKAPNIC | Hong Kong | 256 |
| 103.75.79.0/24 | Valid | SHING-HKAPNIC | Hong Kong | 256 |
| 103.183.247.0/24 | Valid |  BIT-PHAPNIC | Philippines | 256 |
| 114.199.64.0/24 | Valid | VITHK1-APAPNIC | Hong Kong | 256 |
| 114.199.65.0/24 | Not found | VITHK-APAPNIC | Hong Kong | 256 |
| 114.199.66.0/24 | Valid |  VITTWT-APAPNIC | Hong KongCross-border | 256 |
| 114.199.67.0/24 | Not found | VITHK-APAPNIC | Hong Kong | 256 |
| 114.199.68.0/24 | Not found | VITHK-APAPNIC | Hong Kong | 256 |
| 114.199.69.0/24 | Not found | VITHK-APAPNIC | Hong Kong | 256 |
| 114.199.70.0/24 | Not found | VITHK-APAPNIC | Hong Kong | 256 |
/24 block profile
One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.
/24s with data 3 / 40 （8%） · flagged 2
Hover a square for its numbers; click to see all 256 addresses.
Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.
IP reputation
IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.
Purity distribution
0.05%
Share of IPv4 reported or blocklisted
5
Listed IPs
1
Analysed IPs
Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.
Geography
Where this network’s IPv4 addresses are located.
Registered in Taiwan, but none of the sampled addresses geolocate there.
- Hong Kong55.0%
- United States25.0%
- Japan15.0%
- Philippines2.5%
United Arab Emirates2.5%
- Scope
- Regional
- In registered country
- 0.0%
Estimated by sampling IPv4 ranges against a geolocation database.
Наблюдение за трафиком
AS45250 · За последние 7 днейВнедрение и использование
Внедрение и использование ключевых протоколов
Безопасность и атаки
Данные об атаках на сетевом уровне и уровне приложений
BGP-анонсы
Почасовое число анонсов маршрутов BGP за последние 7 дней
Данные: Cloudflare Radar, лицензия CC BY-NC 4.0
Activity
Hourly traffic over the last 7 days, normalized to this network’s peak.
A pronounced day/night rhythm, typical of networks with human users.
| 00 | 06 | 12 | 18 | |||||||||||||||||||||
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| Sun |
- Peak hour
- 03:00–04:00
- Active hours
- 12 hrs
- Weekend vs weekday
- Weekdays heavier
- Busiest day
- Mon
Присутствие в дата-центрах
WHOIS record
The registry’s record for this AS number: holder, status, dates and contacts.
Related networks
Other ASNs registered in the same country with the same network type.
- AS131642Pittqiao Network Information Co., Ltd.Хостинг (IDC)
- AS134823Sky Digital Co., Ltd.Хостинг (IDC)
- AS131151Imcloud Technology Co., Ltd.Хостинг (IDC)
- AS38042Sky Digital Co., Ltd.Хостинг (IDC)
- AS9678HostingInside LTDХостинг (IDC)
- AS17413Dodo Ltd.Хостинг (IDC)
- AS9923Simple Information, Inc.Хостинг (IDC)
- AS131628TWN BroadbandХостинг (IDC)
- AS18041Taiwan Digital Streaming Co.Хостинг (IDC)
- AS135596HanStrong Online ServicesХостинг (IDC)
Sources
Where the information on this page comes from and when it was updated.
| Information | Source | Updated |
|---|---|---|
| Registered country | RIR daily delegation statistics | 2026-10-22 |
| Organization & company country | AS-to-organization data | 2026-10-22 |
| Network type | CleanIP ASN canon | 2026-10-22 |
| Exchanges & facilities | Operator self-reported interconnection data | 2026-10-22 |
| Announced prefixes & BGP neighbours | Public BGP routing data | 2026-10-22 |
| IPv4 geography | Geolocation database | — |
| RPKI validation | RPKI ROA validation data | 2026-10-22 |
| Rank & customer cone | CAIDA AS Rank | 2026-10-01 |
| Estimated users (APNIC) | APNIC Labs user estimates | 2026-10-20 |
| IP reputation | CleanIP lookups and neighbour sampling | — |
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