AS2721 CULR, LLC 🇺🇸 US
Announcing 6 prefixes, seen at the RIS collectors.
IPv4 prefixes
5
9,216 (36 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
6
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
3
transit customers observed
Customer cone
8
ASes reachable through it
Registry and operator data
- AS number
- AS2721
- Name
- CULR, LLC
- Organisation
- CULR, LLC - AS2721
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2009-08-28
- Network type
- Educational/Research
- Scope
- Regional
- Peering policy
- Open
- Website
- http://www.c-light.net
- PeeringDB
- net/20784
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 | 65,669 | 3,990 | 330 | CAIDA |
| AS3257 GTT Communications Inc. | 🇺🇸 US | 63,155 | 1,813 | 47 | CAIDA |
| AS11537 Internet2 | 🇺🇸 US | 2,250 | 23 | 54 | CAIDA |
| AS11164 Internet2 I2PX | 🇺🇸 US | 1,266 | 13 | 208 | CAIDA |
| AS2711 Spirit Communications | 🇺🇸 US | 119 | 134 | 36 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS13548 College of Charleston | 🇺🇸 US | 0 | 3 | 5 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS2722 CULR, LLC | 🇺🇸 US | 5 | 5 | 326 | CAIDA |
| AS13429 Medical University of South Carolina | 🇺🇸 US | 0 | 5 | 207 | CAIDA |
| AS12005 University of South Carolina | 🇺🇸 US | 0 | 3 | 9 | 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.