AS
AS23781
EducationTYA-NET
National University Corporation, Toyama University Gofuku 3190, Toyama-shi, Toyama 930, Japan
4
IPv4 Prefixes
0
IPv6 Prefixes
72.7K
IPv4 Addresses
RIR
APNIC
Risk Score
18/100
Network Characteristics
Unknown
宣告的前缀 (显示前 4 个)
| 前缀 | 网络类型 | 风险分 | 标签 | 首次发现 |
|---|---|---|---|---|
| 160.26.0.0/16 | education | 18 |
-
|
2026-01-31 |
| 202.240.244.0/22 | education | 18 |
-
|
2026-01-31 |
| 202.251.144.0/20 | education | 18 |
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|
2026-01-31 |
| 202.254.200.0/21 | education | 18 |
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|
2026-01-31 |
API 调用
# 使用 cURL 查询此 ASN
curl -H "Authorization: Bearer YOUR_API_KEY" \
"https://ipv4.dev/api/v1/asn/23781"