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Autonomous System

AS265721

Cable Atlantico SRL

Announced IPs
57,856
CIDR prefixes
33
ASN
AS265721

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 100-200Gbps
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS265721:AS-CUSTOMERS AS265721:AS-PEERS

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
206.2.128.0/18 16.4K
49.9%
Cable Atlantico SRL US
38.188.0.0/19 8.2K
99.8%
Cable Atlantico SRL US
154.56.32.0/19 8.2K
92.3%
Cogent Communications, LLC US
156.248.128.0/19 8.2K
0.0%
Cable Atlantico SRL SC
38.9.16.0/20 4.1K
95.0%
Cable Atlantico SRL US
38.50.176.0/20 4.1K
99.4%
Cable Atlantico SRL US
206.84.240.0/20 4.1K
82.5%
Cable Atlantico SRL US
200.58.240.0/21 2.0K
97.6%
Cable Atlantico SRL DO Puerto Plata Puerto Plata
206.84.240.0/21 2.0K
82.8%
Cable Atlantico SRL US
45.65.244.0/22 1.0K
94.7%
Cable Atlantico SRL DO Puerto Plata Sosua, Cabarete
128.201.112.0/22 1.0K
94.9%
Cable Atlantico SRL DO Puerto Plata Sosua, Cabarete
206.84.252.0/22 1.0K
83.0%
Cable Atlantico SRL US
204.157.186.0/23 512
66.0%
Cable Atlantico SRL US
206.84.248.0/23 512
82.0%
Cable Atlantico SRL US
206.84.254.0/23 512
80.7%
Cable Atlantico SRL US
206.84.250.0/24 256
81.6%
Cable Atlantico SRL US
206.84.253.0/24 256
83.2%
Cable Atlantico SRL US
206.84.251.0/25 128
80.5%
Cable Atlantico SRL US
206.84.252.0/25 128
87.5%
Cable Atlantico SRL US
206.84.251.128/26 64
81.3%
Cable Atlantico SRL US
206.84.252.128/26 64
87.5%
Cable Atlantico SRL US
206.84.251.192/27 32
81.3%
Cable Atlantico SRL US
206.84.252.224/27 32
87.5%
Cable Atlantico SRL US
206.84.251.224/28 16
81.3%
Cable Atlantico SRL US
206.84.252.192/28 16
87.5%
Cable Atlantico SRL US
206.84.251.248/29 8
75.0%
Cable Atlantico SRL US
206.84.252.216/29 8
87.5%
Cable Atlantico SRL US
206.84.251.244/30 4
75.0%
Cable Atlantico SRL US
206.84.252.208/30 4
100.0%
Cable Atlantico SRL US
206.84.251.242/31 2
100.0%
Cable Atlantico SRL US
206.84.252.212/31 2
100.0%
Cable Atlantico SRL US
206.84.251.241/32 1
100.0%
Cable Atlantico SRL US
206.84.252.215/32 1
100.0%
Cable Atlantico SRL US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS265721 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
38.188.16.0/24 17,444 2026-07-18 10:52:23
38.188.18.0/24 17,369 2026-07-18 10:52:23
38.188.17.0/24 17,347 2026-07-18 10:52:23
38.9.23.0/24 14,750 2026-07-18 11:35:30
38.9.18.0/24 11,953 2026-07-18 11:33:00
38.9.16.0/24 11,942 2026-07-18 11:33:00
38.9.17.0/24 11,941 2026-07-18 11:33:00
200.58.243.0/24 11,579 2026-07-18 11:33:00
156.248.144.0/20 10,517 2026-07-17 18:06:04
156.248.128.0/24 10,500 2026-07-17 18:12:09
156.248.128.0/20 10,281 2026-07-17 18:12:32
38.9.21.0/24 7,273 2026-07-18 10:52:23
38.188.0.0/21 7,254 2026-07-18 10:52:23
38.9.22.0/24 7,240 2026-07-18 10:52:23
38.188.8.0/21 7,224 2026-07-18 10:52:23
38.9.19.0/24 7,224 2026-07-18 10:52:23
38.9.20.0/24 7,215 2026-07-18 10:52:23
38.188.29.0/24 7,194 2026-07-18 10:52:23
38.188.25.0/24 7,193 2026-07-18 10:52:23
38.188.26.0/24 7,186 2026-07-18 10:52:23
38.188.21.0/24 7,177 2026-07-18 10:52:23
38.188.20.0/24 7,175 2026-07-18 10:52:23
38.188.22.0/24 7,174 2026-07-18 10:52:23
38.188.19.0/24 7,173 2026-07-18 10:52:23
38.188.24.0/24 7,171 2026-07-18 10:52:23
38.188.28.0/24 7,168 2026-07-18 10:52:23
38.188.23.0/24 7,168 2026-07-18 10:52:23
38.188.27.0/24 7,151 2026-07-18 10:52:23
38.50.187.0/24 7,083 2026-07-18 11:35:30
38.50.188.0/24 7,044 2026-07-18 11:35:30
38.50.190.0/24 7,034 2026-07-18 11:35:30
38.50.189.0/24 7,032 2026-07-18 11:35:30
38.50.183.0/24 7,007 2026-07-18 11:35:30
38.50.178.0/24 7,005 2026-07-18 11:35:30
38.50.185.0/24 7,004 2026-07-18 11:35:30
38.50.184.0/24 7,003 2026-07-18 11:35:30
38.50.186.0/24 7,003 2026-07-18 11:35:30
38.9.30.0/24 7,003 2026-07-18 11:35:30
38.9.29.0/24 7,001 2026-07-18 11:35:30
38.50.182.0/24 6,998 2026-07-18 11:35:30
38.50.179.0/24 6,998 2026-07-18 11:35:30
38.9.25.0/24 6,995 2026-07-18 11:35:30
38.188.31.0/24 6,994 2026-07-18 11:35:30
38.50.181.0/24 6,992 2026-07-18 11:35:30
38.9.24.0/24 6,991 2026-07-18 11:35:30
38.9.31.0/24 6,987 2026-07-18 11:35:30
38.50.176.0/24 6,982 2026-07-18 11:35:30
38.50.180.0/24 6,981 2026-07-18 11:35:30
38.9.26.0/24 6,981 2026-07-18 11:35:30
38.9.28.0/24 6,979 2026-07-18 11:35:30

Showing top 50 of 103 announced prefixes by sample volume.

Frequently Asked Questions

What is AS265721?

AS265721 is an Autonomous System Number assigned to Cable Atlantico SRL. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS265721 announce?

AS265721 announces 57.9K IPv4 addresses distributed across 33 routed CIDR prefixes. The network is registered in Dominican Republic.

Who operates AS265721?

AS265721 is operated by Cable Atlantico SRL. The organization is based in Dominican Republic. You can view all IP ranges and related ASNs on the organization page.

What country is AS265721 registered in?

AS265721 is registered in Dominican Republic. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 11:40:32 UTC
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