AS21965 Highmark Inc 🇺🇸 US
Announcing 22 prefixes, seen at the RIS collectors.
IPv4 prefixes
22
5,632 (22 × /24)
IPv6 prefixes
0
-
Upstreams
6
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS21965
- Name
- Highmark Inc
- Organisation
- Highmark Inc
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2001-07-19
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 |
|---|---|---|---|---|---|
| AS3356 Lumen (Level 3) | 🇺🇸 US | 70,662 | 2,068 | 613 | CAIDA |
| AS6461 Zayo Bandwidth | 🇺🇸 US | 50,439 | 213 | 723 | CAIDA |
| AS7018 AT&T Enterprises, LLC | 🇺🇸 US | 23,723 | 627 | 35 | CAIDA |
| AS7016 Comcast Cable Communications, LLC | 🇺🇸 US | 19,861 | 37 | 14 | CAIDA |
| AS15830 Equinix, Inc. | 🇳🇱 NL | 18,311 | 1,082 | 288 | CAIDA |
| AS46887 Zayo (fka. Crown Castle) | 🇺🇸 US | 1,409 | 800 | 29 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
No peers observed at the collectors.
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS22255 Allegheny Health Network | 🇺🇸 US | 0 | 18 | 766 | 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.