AS21730 Halstad Telephone Company 🇺🇸 US
Announcing 33 prefixes, seen at the RIS collectors.
IPv4 prefixes
33
19,968 (78 × /24)
IPv6 prefixes
0
-
Upstreams
1
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
- AS21730
- Name
- Halstad Telephone Company
- Organisation
- Halstad Telephone Company
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2001-06-14
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 |
|---|---|---|---|---|---|
| AS25615 Broadband Visions, LLC | 🇺🇸 US | 9 | 1 | 1,632 | 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 |
|---|---|---|---|---|---|
| AS23036 Northwest Minnesota Special Access, LLC | 🇺🇸 US | 0 | 10 | 48 | 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.