首頁>AS31 ASN 詳情
ASN詳情
AS31
United States · caltech.edu
彙總
Country
United States
Website
caltech.edu
Hosted domains
101
Number of IPv4
131,840
Number of IPv6
79,228,162,514,264,337,593,543,950,336
ASN type
Education
Registry
arin
Allocated
41 years ago on Sep 21, 1984
Updated
2 years ago on Aug 29, 2023
包含的 IP 段
| IP Range | Company | Num of IPs |
|---|---|---|
| 131.215.0.0/16 | California Institute of Technology | 65,536 |
| 134.4.0.0/16 | California Institute of Technology | 65,536 |
| 131.215.242.0/23 | California Institute of Technology | 512 |
| 131.215.244.0/23 | California Institute of Technology | 512 |
| 131.215.229.0/24 | California Institute of Technology | 256 |
| 131.215.230.0/24 | California Institute of Technology | 256 |
| 131.215.234.0/24 | California Institute of Technology | 256 |
| 131.215.239.0/24 | California Institute of Technology | 256 |
| 131.215.240.0/24 | California Institute of Technology | 256 |
| 192.12.19.0/24 | California Institute of Technology | 256 |
| 192.31.43.0/24 | California Institute of Technology | 256 |
| 192.41.208.0/24 | California Institute of Technology | 256 |
| 2607:f520::/32 | California Institute of Technology |
主持域名
| IP | Domain | Domain on this IP |
|---|---|---|
| 131.215.239.20 | ██████████ | 13 |
| 134.4.74.17 | ██████████ | 6 |
| 131.215.140.111 | ██████████ | 6 |
| 131.215.198.54 | ██████████ | 5 |
| 131.215.66.188 | ██████████ | 4 |
| 131.215.113.72 | ██████████ | 4 |
| 131.215.5.239 | ██████████ | 3 |
| 131.215.176.71 | ██████████ | 3 |
| 131.215.76.24 | ██████████ | 3 |
| 131.215.166.5 | ████████ | 2 |
WHOIS 資訊
ASHandle: AS31
OrgID: AS31
ASName: AS31
ASNumber: AS31
RegDate: 0000-00-00
Updated: 0000-00-00
TechHandle: AA00-AAAA
Source: AAAA