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.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →AS27953 — global IP footprint
Cities where AS27953 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 186.64.64.0/19 | 8.2K |
95.7%
|
NODOSUD S.A | AR | Cordoba | Morrison |
| 181.118.176.0/20 | 4.1K |
85.3%
|
NODOSUD S.A | AR | Cordoba | Justiniano Posse |
| 186.190.160.0/20 | 4.1K |
89.4%
|
NODOSUD S.A | AR | Cordoba | Los Surgentes |
| 190.11.192.0/20 | 4.1K |
91.9%
|
NODOSUD S.A | AR | Cordoba | Bell Ville |
| 190.122.128.0/20 | 4.1K |
91.7%
|
NODOSUD S.A | AR | Cordoba | Camilo Aldao |
| 186.0.128.0/21 | 2.0K |
88.7%
|
NODOSUD S.A | AR | Cordoba | General Roca |
| 190.211.128.0/21 | 2.0K |
93.9%
|
NODOSUD S.A | AR | Cordoba | James Craik |
| 200.7.176.0/21 | 2.0K |
70.8%
|
NODOSUD S.A | AR | Cordoba | Corral de Bustos |
| 200.85.88.0/21 | 2.0K |
90.7%
|
NODOSUD S.A | AR | Cordoba | Justiniano Posse |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS27953 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 186.64.95.0/24 | 50,962 | 2026-07-28 23:29:55 |
| 190.122.141.0/24 | 26,511 | 2026-07-28 23:29:55 |
| 190.122.140.0/24 | 26,505 | 2026-07-28 23:29:55 |
| 190.122.137.0/24 | 26,498 | 2026-07-28 23:29:55 |
| 190.122.138.0/24 | 26,489 | 2026-07-28 23:29:55 |
| 190.122.143.0/24 | 26,477 | 2026-07-28 23:29:55 |
| 190.122.139.0/24 | 26,470 | 2026-07-28 23:29:55 |
| 190.122.130.0/24 | 26,456 | 2026-07-28 23:29:55 |
| 190.122.135.0/24 | 26,448 | 2026-07-28 23:29:55 |
| 190.122.133.0/24 | 26,438 | 2026-07-28 23:29:55 |
| 190.122.142.0/24 | 26,258 | 2026-07-28 23:29:55 |
| 190.122.132.0/24 | 26,232 | 2026-07-28 23:29:55 |
| 190.122.136.0/24 | 26,230 | 2026-07-28 23:29:55 |
| 190.122.128.0/24 | 26,202 | 2026-07-28 23:29:55 |
| 190.122.134.0/24 | 26,166 | 2026-07-28 23:29:55 |
| 190.122.129.0/24 | 26,137 | 2026-07-28 23:29:55 |
| 190.211.131.0/24 | 26,069 | 2026-07-28 23:29:55 |
| 190.122.128.0/20 | 26,045 | 2026-07-28 23:29:55 |
| 190.11.196.0/24 | 25,742 | 2026-07-28 23:29:55 |
| 190.11.192.0/20 | 25,589 | 2026-07-28 23:29:55 |
| 190.211.128.0/21 | 25,554 | 2026-07-28 23:29:55 |
| 186.0.128.0/21 | 25,554 | 2026-07-28 23:29:55 |
| 186.190.160.0/20 | 25,501 | 2026-07-28 23:29:55 |
| 190.11.200.0/24 | 25,487 | 2026-07-28 23:29:55 |
| 190.11.203.0/24 | 25,421 | 2026-07-28 23:29:55 |
| 186.0.132.0/24 | 25,394 | 2026-07-28 23:29:55 |
| 186.0.133.0/24 | 25,364 | 2026-07-28 23:29:55 |
| 200.85.91.0/24 | 25,363 | 2026-07-28 23:29:55 |
| 190.11.202.0/24 | 25,357 | 2026-07-28 23:29:55 |
| 186.0.135.0/24 | 25,354 | 2026-07-28 23:29:55 |
| 186.0.134.0/24 | 25,337 | 2026-07-28 23:29:55 |
| 190.11.201.0/24 | 25,322 | 2026-07-28 23:29:55 |
| 186.190.172.0/24 | 25,317 | 2026-07-28 23:29:55 |
| 200.85.88.0/24 | 25,317 | 2026-07-28 23:29:55 |
| 200.85.90.0/24 | 25,291 | 2026-07-28 23:29:55 |
| 181.118.176.0/24 | 25,289 | 2026-07-28 23:29:55 |
| 200.85.95.0/24 | 25,282 | 2026-07-28 23:29:55 |
| 190.211.129.0/24 | 25,273 | 2026-07-28 23:29:55 |
| 190.11.194.0/24 | 25,263 | 2026-07-28 23:29:55 |
| 190.11.197.0/24 | 25,261 | 2026-07-28 23:29:55 |
| 190.11.204.0/24 | 25,253 | 2026-07-28 23:29:55 |
| 200.85.89.0/24 | 25,244 | 2026-07-28 23:29:55 |
| 190.11.198.0/24 | 25,241 | 2026-07-28 23:29:55 |
| 186.190.173.0/24 | 25,235 | 2026-07-28 23:29:55 |
| 190.11.192.0/24 | 25,233 | 2026-07-28 23:29:55 |
| 200.85.93.0/24 | 25,220 | 2026-07-28 23:29:55 |
| 190.211.132.0/24 | 25,218 | 2026-07-28 23:29:55 |
| 190.211.133.0/24 | 25,214 | 2026-07-28 23:29:55 |
| 181.118.182.0/24 | 25,211 | 2026-07-28 23:29:55 |
| 200.7.183.0/24 | 25,211 | 2026-07-28 23:29:55 |
Showing top 50 of 137 announced prefixes by sample volume.
Frequently Asked Questions
What is AS27953?
AS27953 is an Autonomous System Number assigned to NODOSUD S.A. 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 AS27953 announce?
AS27953 announces 32.8K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in Argentina.
Who operates AS27953?
AS27953 is operated by NODOSUD S.A. The organization is based in Argentina. You can view all IP ranges and related ASNs on the organization page.
What country is AS27953 registered in?
AS27953 is registered in Argentina. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
