AS5653
University of California San Francisco
Scanned 4 days ago
📋 Summary
IP address summary information| Name | University of California San Francisco |
| IPv4 addresses | 200K |
| IPv6 addresses | Not available |
| ASN type | Transit |
| Registry | ARIN |
| Allocated | Jul 27, 1995 |
| Updated | Feb 26, 2026 |
📊 IP Ranges
IPv4: 18 | IPv6: 0| Netblock | IP Count |
|---|---|
| 64.54.195.0/24 | 256 |
| 64.54.162.0/24 | 256 |
| 64.54.197.0/24 | 256 |
| 169.230.0.0/16 | 66K |
| 64.54.128.0/24 | 256 |
| 64.54.4.0/24 | 256 |
| 64.54.202.0/24 | 256 |
| 64.54.18.0/24 | 256 |
| 64.54.201.0/24 | 256 |
| 64.54.0.0/16 | 66K |
| 64.54.149.0/24 | 256 |
| 128.218.0.0/16 | 66K |
| 64.54.196.0/24 | 256 |
| 64.54.6.0/24 | 256 |
| 64.54.192.0/24 | 256 |
| 64.54.193.0/24 | 256 |
| 64.54.17.0/24 | 256 |
| 64.54.9.0/24 | 256 |
Prefix data from RIPE Stat / RIR allocation records.
📄 WHOIS
ARIN| Handle | AS5653 |
| Name | UCSF |
| Organization | University of California San Francisco |
| Status | active |
| Allocated | Jul 27, 1995 |
| Updated | Feb 26, 2026 |
Contacts
| Registrant | University of California San Francisco |
| Address | Room 602 1855 Folsom Street San Francisco CA 94143-0225 United States |
Source: ARIN
🔗 Peers
1 peer for this ASN| ASN | Name | Country |
|---|---|---|
| AS2153 | CENIC | - |
Peer data from RIPE Stat ASN neighbours.
⬆️ Upstreams
1 upstream| ASN | Name |
|---|---|
| AS2152 | CENIC |
Upstream data from RIPE Stat routing history.
⬇️ Downstreams
0 downstreamsNo downstreams found.
🔒 RPKI / ROA
Source: rpki.zorn.ltd| Prefix | Origin ASN | Max Length | Validity |
|---|---|---|---|
| 64.54.195.0/24 | AS5653 | /24 | Not Found |
| 64.54.162.0/24 | AS5653 | /24 | Not Found |
| 64.54.197.0/24 | AS5653 | /24 | Not Found |
| 169.230.0.0/16 | AS5653 | /16 | Not Found |
| 64.54.128.0/24 | AS5653 | /24 | Not Found |
| 64.54.4.0/24 | AS5653 | /24 | Not Found |
| 64.54.202.0/24 | AS5653 | /24 | Not Found |
| 64.54.18.0/24 | AS5653 | /24 | Not Found |
| 64.54.201.0/24 | AS5653 | /24 | Not Found |
| 64.54.0.0/16 | AS5653 | /16 | Not Found |
| 64.54.149.0/24 | AS5653 | /24 | Not Found |
| 128.218.0.0/16 | AS5653 | /16 | Not Found |
| 64.54.196.0/24 | AS5653 | /24 | Not Found |
| 64.54.6.0/24 | AS5653 | /24 | Not Found |
| 64.54.192.0/24 | AS5653 | /24 | Not Found |
| 64.54.193.0/24 | AS5653 | /24 | Not Found |
| 64.54.17.0/24 | AS5653 | /24 | Not Found |
| 64.54.9.0/24 | AS5653 | /24 | Not Found |
RPKI validation powered by rpki.zorn.ltd (Routinator).