AS28209 Under Servicos de Internet Ltda 🇧🇷 BR
Announcing 46 prefixes, seen at the RIS collectors.
IPv4 prefixes
39
48,640 (190 × /24)
IPv6 prefixes
7
1.2 × /32
Upstreams
3
transit providers observed
Peers
3
settlement-free adjacencies
Downstreams
2
transit customers observed
Customer cone
3
ASes reachable through it
Registry and operator data
- AS number
- AS28209
- Name
- Under Servicos de Internet Ltda
- Organisation
- Under
- Country
- 🇧🇷 BR
- RIR
- LACNIC
- Allocated
- 2008-05-08
- Network type
- Content
- Scope
- South America
- Peering policy
- Open
- IRR as-set
- ALTDB::AS-UNDER
- Website
- https://www.under.com.br
- PeeringDB
- net/5932
- Exchanges
- 1
- Facilities
- 1
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 | 71,297 | 2,086 | 968 | CAIDA |
| AS264409 Huge Networks | 🇧🇷 BR | 23,487 | 7 | 141 | CAIDA |
| AS22381 SAMM (Megatelecom) | 🇧🇷 BR | 21,272 | 102 | 645 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 54,017 | 185 | 167 | CAIDA |
| AS35280 F5 Networks SARL | 🇫🇷 FR | 24,147 | 59 | 3 | CAIDA |
| AS26615 TIM S/A | 🇧🇷 BR | 21,345 | 1,044 | 43 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,768 | 45 | 43 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS28138 WN INTERNET | 🇧🇷 BR | 0 | 13 | 78 | CAIDA |
| AS265380 WSU Tecnologia Ltda | 🇧🇷 BR | 0 | 1 | 43 | 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.