AS5739 University of California, Santa Cruz 🇺🇸 US
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
131,072 (512 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS5739
- Name
- University of California, Santa Cruz
- Organisation
- UCSC
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1995-09-13
- Network type
- Educational/Research
- Traffic levels
- 10-20Gbps
- Scope
- North America
- Peering policy
- Open
- Website
- https://www.ucsc.edu
- PeeringDB
- net/19077
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.arin.net
ASNumber: 5739 ASName: UCSC ASHandle: AS5739 RegDate: 1995-09-13 Updated: 2011-06-29 Ref: https://rdap.arin.net/registry/autnum/5739 OrgName: University of California, Santa Cruz OrgId: UCSC Address: University of California, Santa Cruz Address: Information Technology Services Address: Communications Building Address: 620 Baskin Circle City: Santa Cruz StateProv: CA PostalCode: 95064 Country: US RegDate: 1986-03-05 Updated: 2026-06-15 Ref: https://rdap.arin.net/registry/entity/UCSC OrgTechHandle: UCSCN-ARIN OrgTechName: Network Operations Center OrgTechPhone: +1-831-459-2714 OrgTechEmail: noc@ucsc.edu OrgTechRef: https://rdap.arin.net/registry/entity/UCSCN-ARIN OrgAbuseHandle: UCSCN1-ARIN OrgAbuseName: UCSC Security OrgAbusePhone: +1-831-459-2714 OrgAbuseEmail: abuse@ucsc.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/UCSCN1-ARIN OrgNOCHandle: UCSCN-ARIN OrgNOCName: Network Operations Center OrgNOCPhone: +1-831-459-2714 OrgNOCEmail: noc@ucsc.edu OrgNOCRef: https://rdap.arin.net/registry/entity/UCSCN-ARIN RTechHandle: UCSCN-ARIN RTechName: Network Operations Center RTechPhone: +1-831-459-2714 RTechEmail: noc@ucsc.edu RTechRef: https://rdap.arin.net/registry/entity/UCSCN-ARIN