subnet.im

AS266853Comunicaciones Metropolitanas METROCOM, S.A.

Costa RicaRegistryLACNIC

As of 27th September 2026, AS266853 (Comunicaciones Metropolitanas METROCOM…), a network registered in Costa Rica with LACNIC, originates 28 IPv4 prefixes covering 12.3k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 9,378th-largest of the 79,540 networks we see originating IPv4, and the 11th-largest of 83 in Costa Rica. It is seen behind 3 upstream networks, most often AS23520 (Columbus Networks USA, Inc.) and AS27884 (CABLECOLOR S.A.), and in front of 6 downstream networks. 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

28

IPv6 prefixes

1

IPv4 addresses

12.3k

IPv6 /64s

4.3B

Upstream graph

The networks AS266853 is seen behind, one and two hops out, drawn from real AS paths.

AS266853Toward the internet core
Upstream graph for AS266853: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS266853Comunicaciones Me…This networkAS3356Lumen (Level 3)AS23520Columbus Networks…AS27884CABLECOLOR S.A.AS2914NTT America, Inc.AS3549Lumen (fka. Globa…AS1299Arelion (fka. Tel…AS6830Liberty Global Eu…AS22869CABLECOLOR S.A.

Networks observed one and two hops upstream of AS266853 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

18

adjacent networks

Upstreams
317%
Peers
950%
Downstreams
633%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS266853
NetworkCountryRelationshipPathsVantage pts
AS23520Columbus Networks USA, Inc.USPeer1,77788
AS27884CABLECOLOR S.A.HNPeer1,34774
AS3356Lumen (Level 3)USPeer1,310138

Prefixes

All 29

The largest blocks AS266853 originates, widest first.

Largest prefixes originated by AS266853
PrefixAddressesVisibility
38.210.160.0/212k82/82
206.203.56.0/212k82/82
45.65.188.0/221k82/82
45.239.64.0/221k81/82
38.210.160.0/2425680/82
38.210.161.0/2425680/82
38.210.162.0/2425680/82
38.210.163.0/2425680/82
38.210.164.0/2425680/82
38.210.165.0/2425680/82

Routing health

How AS266853'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%29
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%29
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 28 prefixes

IPv6 — 1 prefixes

  • /324.3B × /64100.0%1

Recent changes

Announcements that started or stopped since 29th Aug 2026.

No announcement by AS266853 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.