Malicious IPs in Costa Rica

IPv4 networks located in Costa Rica that are currently flagged for malicious activity, aggregated from multiple external and internal threat intelligence sources. Snapshot of (UTC), updated daily.

Flagged IPv4 networks
9
#112 of 179 countries
Per million allocated IPv4
-
too little address space for a rate
Flagged IPv4 addresses
265
ranges count at most as a /24
Allocated IPv4 addresses
2,334,976
RIR delegation statistics

Costa Rica at a glance

Costa Rica had 9 flagged IPv4 networks in the snapshot of 2026-10-09, rank #112 of 179 countries by absolute count. Costa Rica has too little allocated IPv4 space for a meaningful per-million rate, so it is ranked by absolute count only. The largest category is brute force sources with 56% of the flagged networks, followed by other malicious networks (44%). The three networks (ASNs) with the most flagged IPs hold 56% of them, led by AS11830 - Instituto Costarricense de Electricidad y Telecom. (AS11830).

Malicious activity in Costa Rica by category

A network listed in several categories counts once, in the most specific one.

  • Brute force sources in Costa Rica

    5 (56%)

    5 flagged networks, #97 of 162 countries for brute force sources. Sources of password guessing against SSH, mail, FTP and web logins. Brute Force Sources by Country

  • Other malicious networks in Costa Rica

    4 (44%)

    4 flagged networks, #90 of 148 countries for other malicious networks. Addresses and ranges reported as malicious without a more specific category. Other Malicious Networks by Country

Networks with the most flagged IPs in Costa Rica

Autonomous systems announcing the flagged networks located in Costa Rica.

#NetworkFlagged networks
1AS11830AS11830 - Instituto Costarricense de Electricidad y Telecom.2
2AS52228AS52228 - Cable Tica2
3AS212238CDNEXT Datacamp Limited1
4AS262197AS262197 - MILLICOM CABLE COSTA RICA S.A.1
5AS9009M247 M247 Europe SRL1
6AS28110AS28110 - NAVEGALO S.A.1
7AS52468AS52468 - UFINET PANAMA S.A.1

Compare Costa Rica with other countries

Ranked by flagged IPv4 networks.

Countries ranked next to Costa Rica by count

#CountryNetworksPer million
110Slovakia10-
111Uruguay10-
112Costa Rica9-
113Libya9-
114Mauritius9-
115Togo9-

Other countries in the LACNIC region

#CountryNetworksPer million
18Paraguay2925.1
32Ecuador3613.2
35Argentina22911.8
36Brazil93611.4
37Peru3611.1
54Colombia1005.71
55Venezuela385.67
57Chile575.39

Questions about Costa Rica

How many malicious IP addresses are there in Costa Rica?
On 2026-10-09, 9 IPv4 networks (/24 blocks) located in Costa Rica were flagged for malicious activity, with 265 listed IPv4 addresses. Each /24 counts once, however many of its addresses are listed.
Which networks in Costa Rica host the most flagged IPs?
AS11830 - Instituto Costarricense de Electricidad y Telecom. (AS11830, 2 networks), AS52228 - Cable Tica (AS52228, 2 networks), CDNEXT Datacamp Limited (AS212238, 1 network). Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Query this data per IP via the API

Look up threat categories, reputation score, ASN and geolocation for any address in Costa Rica or anywhere else with one API call.