AS4 University of Southern California 🇺🇸 US
Announcing 54 prefixes, seen at the RIS collectors.
IPv4 prefixes
46
70,912 (277 × /24)
IPv6 prefixes
8
2 × /32
Upstreams
10
transit providers observed
Peers
2
settlement-free adjacencies
Downstreams
3
transit customers observed
Customer cone
3
ASes reachable through it
Registry and operator data
- AS number
- AS4
- Name
- University of Southern California
- Organisation
- University of Southern California - AS4
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1984-02-22
- Scope
- Not Disclosed
- Peering policy
- Open
- Website
- http://usc.edu
- PeeringDB
- net/14507
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS174 Cogent Communications, LLC | 🇺🇸 US | 66,330 | 3,955 | 41 | CAIDA |
| AS30844 Liquid Intelligent Technologies | 🇬🇧 GB | 23,853 | 289 | 3 | CAIDA |
| AS133296 Web Werks India Pvt. Ltd. | 🇮🇳 IN | 2,391 | 246 | 2 | CAIDA |
| AS10886 University of Maryland | 🇺🇸 US | 53 | 9 | 42 | CAIDA |
| AS37358 BitCo | 🇿🇦 ZA | 17 | 22 | 3 | inferred |
| AS567 Los Nettos | 🇺🇸 US | 16 | 1 | 549 | CAIDA |
| AS226 Los Nettos | 🇺🇸 US | 15 | 13 | 1,168 | CAIDA |
| AS266306 CENTRALNETT TELECOM | 🇧🇷 BR | 4 | 1 | 7 | CAIDA |
| AS266625 WCA TELECOM | 🇧🇷 BR | 0 | 3 | 20 | inferred |
| AS152709 RK Link | 🇧🇩 BD | 0 | 2 | 3 | inferred |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS58821 PT Lintas Jaringan Nusantara | 🇮🇩 ID | 4 | 40 | 3 | CAIDA |
| AS400215 Sambanova Systems, Inc. | 🇺🇸 US | 0 | 3 | 14 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS328434 Netovate (PTY) LTD | 🇿🇦 ZA | 2 | 7 | 3 | inferred |
| AS139451 PT SARANA INTI MAKMUR BERSAMA | 🇮🇩 ID | 0 | 3 | 3 | CAIDA |
| AS2635 Automattic, Inc | 🇺🇸 US | 0 | 155 | 3 | CAIDA |
Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.