AS50666LigaT Telecom Sociedade Unipessoal LDA
PortugalRegistryRIPE NCCTypeEyeballAs of 11th November 2026, AS50666 (LigaT Telecom Sociedade Unipessoal LDA), an access network registered in Portugal with RIPE NCC, originates 4 IPv4 prefixes covering 1.8k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 30,400th-largest of the 80,743 networks we see originating IPv4, and the 38th-largest of 129 in Portugal. It is seen behind 2 upstream networks, most often AS3257 (GTT Communications Inc.) and AS49600 (NEAR IP, S.L.), and in front of 1 downstream network. 60% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.
At a glance
IPv4 prefixes
IPv6 prefixes
IPv4 addresses
IPv6 /64s
Upstream graph
The networks AS50666 is seen behind, one and two hops out, drawn from real AS paths.
Networks observed one and two hops upstream of AS50666 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.
Neighbouring networks
8
adjacent networks
- Upstreams
- 225%
- Peers
- 563%
- Downstreams
- 113%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS3257GTT Communications Inc. |  US | Peer | 279 | 101 |
| AS49600NEAR IP, S.L. |  ES | Peer | 163 | 79 |
Prefixes
The largest blocks AS50666 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 185.228.160.0/22 | 1k | 76/76 |
| 185.142.131.0/24 | 256 | 76/76 |
| 199.16.242.0/24 | 256 | 76/76 |
| 199.16.243.0/24 | 256 | 76/76 |
| 2a13:580::/29 | 34.4B × /64 | 62/63 |
Routing health
How AS50666's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.
RPKI origin validation
- Valid60.0%3
- Invalid0.0%0
- No ROA40.0%2
Propagation
- Globally propagated90% of full-feed peers or more100.0%5
- Partially propagated40% to 90%0.0%0
- Seen by few peersUnder 40%0.0%0
Prefix sizes
IPv4 — 4 prefixes
IPv6 — 1 prefixes
- /2934.4B × /64100.0%1
Recent changes
Announcements that started or stopped since 12th Oct 2026.
No announcement by AS50666 started or stopped in this period.
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.