Home>AS31 ASN Details
ASN Details
AS31
United States · caltech.edu
Summary
Country
United States
Website
caltech.edu
Hosted domains
118
Number of IPv4
131,840
Number of IPv6
79,228,162,514,264,337,593,543,950,336
ASN type
Education
Registry
arin
Allocated
40 years ago on Sep 21, 1984
Updated
2 years ago on Aug 29, 2023
Included IP range
| IP Range | Company | Num of IPs |
|---|---|---|
| 131.215.0.0/16 | California Institute of Technology | 65,536 |
| 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 |
| 131.215.242.0/23 | California Institute of Technology | 512 |
| 131.215.244.0/23 | California Institute of Technology | 512 |
| 134.4.0.0/16 | California Institute of Technology | 65,536 |
| 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 |
Hosted Domains
| IP | Domain | Domain on this IP |
|---|---|---|
| 131.215.239.20 | ██████████ | 14 |
| 131.215.68.28 | ██████████ | 9 |
| 131.215.167.175 | ██████████ | 8 |
| 131.215.140.111 | ██████████ | 6 |
| 134.4.74.17 | ██████████ | 6 |
| 131.215.198.54 | ██████████ | 5 |
| 131.215.113.72 | █████████ | 4 |
| 131.215.66.188 | █████████ | 4 |
| 131.215.176.71 | █████████ | 3 |
| 131.215.76.24 | ██████████ | 3 |
WHOIS Information
ASHandle: AS31 OrgID: AS31 ASName: AS31 ASNumber: AS31 RegDate: 0000-00-00 Updated: 0000-00-00 TechHandle: AA00-AAAA Source: AAAA