AS27757CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP
As of 10th November 2026, AS27757 (CORPORACION NACIONAL DE…), a network registered in Ecuador with LACNIC, originates 7 IPv4 prefixes covering 2.6k addresses. By IPv4 address space that makes it the 23,458th-largest of the 80,723 networks we see originating IPv4, and the 33rd-largest of 213 in Ecuador. It is seen behind 1 upstream network, most often AS28006 (CORPORACION NACIONAL DE…). Every one of its announcements has 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 AS27757 is seen behind, one and two hops out, drawn from real AS paths.
Networks observed one and two hops upstream of AS27757 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
2
adjacent networks
- Upstreams
- 150%
- Peers
- 150%
- Downstreams
- 00%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS28006CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP | Peer | 532 | 76 |
Prefixes
The largest blocks AS27757 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 186.42.128.0/22 | 1k | 76/76 |
| 186.42.0.0/24 | 256 | 76/76 |
| 190.152.108.0/24 | 256 | 76/76 |
| 190.152.109.0/24 | 256 | 76/76 |
| 190.152.187.0/24 | 256 | 76/76 |
| 190.152.255.0/24 | 256 | 76/76 |
| 190.214.123.0/24 | 256 | 76/76 |
Routing health
How AS27757'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
- Valid100.0%7
- Invalid0.0%0
- No ROA0.0%0
Propagation
- Globally propagated90% of full-feed peers or more100.0%7
- Partially propagated40% to 90%0.0%0
- Seen by few peersUnder 40%0.0%0
Prefix sizes
IPv4 — 7 prefixes
Recent changes
Announcements that started or stopped since 11th Oct 2026.
No announcement by AS27757 started or stopped in this period.
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.