AS55 University of Pennsylvania 🇺🇸 US
Announcing 6 prefixes, seen at the RIS collectors.
IPv4 prefixes
5
262,400 (1,025 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
2
transit customers observed
Customer cone
3
ASes reachable through it
Registry and operator data
- AS number
- AS55
- Name
- University of Pennsylvania
- Organisation
- UPENN
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1985-12-18
- Network type
- Educational/Research
- Traffic levels
- 10-20Gbps
- Scope
- North America
- Peering policy
- Selective
- Website
- https://www.upenn.edu
- PeeringDB
- net/18475
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.arin.net
ASNumber: 55 ASName: UPENN ASHandle: AS55 RegDate: 1985-12-18 Updated: 2021-10-14 Comment: https://www.upenn.edu/ Comment: Main AS number for PennNet of the University of Pennsylvania Ref: https://rdap.arin.net/registry/autnum/55 OrgName: University of Pennsylvania OrgId: UNIVER-8-Z Address: 3401 Walnut Street Address: Suite 221A City: Philadelphia StateProv: PA PostalCode: 19104-6228 Country: US RegDate: 2010-01-05 Updated: 2026-08-17 Ref: https://rdap.arin.net/registry/entity/UNIVER-8-Z OrgNOCHandle: UNIVE-ARIN OrgNOCName: University of Pennsylvania OrgNOCPhone: +1-215-573-9631 OrgNOCEmail: noc@isc.upenn.edu OrgNOCRef: https://rdap.arin.net/registry/entity/UNIVE-ARIN OrgAbuseHandle: ISO-ARIN OrgAbuseName: Information Security Officer OrgAbusePhone: +1-215-573-2037 OrgAbuseEmail: security@upenn.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/ISO-ARIN OrgTechHandle: OBRIE72-ARIN OrgTechName: O'Brien, John OrgTechPhone: +1-215-898-9818 OrgTechEmail: obrienjw@upenn.edu OrgTechRef: https://rdap.arin.net/registry/entity/OBRIE72-ARIN