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Autonomous System

AS263478

DUFIBRANET TELECOM LTDA

Announced IPs
5,632
CIDR prefixes
6
ASN
AS263478

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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 300-500Gbps
Geographic scope Regional
Traffic ratio Balanced
Peering policy Open
IRR record AS263478:AS-ALL

Present at 1 internet exchange: IX.br (PTT.br) São Paulo: ATM/MPLA

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS263478 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
45.226.235.0/24 246,603 2026-10-13 23:10:10
45.226.234.0/24 237,542 2026-10-13 23:10:10
45.226.232.0/24 237,118 2026-10-13 23:10:10
45.226.233.0/24 231,103 2026-10-13 21:31:50
45.226.232.0/22 222,706 2026-10-13 23:10:10
200.5.32.0/24 216,326 2026-10-13 21:18:59
170.83.180.0/22 184,863 2026-10-13 23:11:06
138.204.80.0/22 183,496 2026-10-13 23:10:51
200.5.32.0/22 179,410 2026-10-13 23:11:39
138.204.83.0/24 175,714 2026-10-13 23:10:52
191.242.192.0/22 174,159 2026-10-13 23:11:27
138.204.82.0/24 172,751 2026-10-13 23:10:52
138.204.81.0/24 172,713 2026-10-13 23:10:52
170.83.180.0/24 172,478 2026-10-13 23:11:06
138.204.80.0/24 171,549 2026-10-13 21:19:47
170.83.181.0/24 171,041 2026-10-13 21:28:17
170.83.183.0/24 170,623 2026-10-13 21:29:27
170.83.182.0/24 170,471 2026-10-13 21:28:54
138.204.80.0/23 169,163 2026-10-13 21:21:32
170.83.180.0/23 168,466 2026-10-13 21:26:05
170.83.182.0/23 168,371 2026-10-13 21:25:22
191.242.193.0/24 166,749 2026-10-13 23:11:27
191.242.195.0/24 166,592 2026-10-13 23:11:27
191.242.194.0/24 166,480 2026-10-13 23:11:27
191.242.192.0/24 166,405 2026-10-13 23:11:27
191.242.194.0/23 165,837 2026-10-13 21:15:30
191.242.192.0/23 165,448 2026-10-13 21:22:57
138.99.82.0/23 80,219 2026-10-13 23:10:51
138.99.83.0/24 2,423 2026-10-13 21:32:50
138.99.82.0/24 2,419 2026-10-13 21:31:59
45.171.71.0/24 412 2026-06-23 15:06:08
45.171.70.0/24 410 2026-06-23 15:06:08
45.171.68.0/22 277 2026-06-23 15:07:10
187.102.59.0/24 10 2026-08-26 21:46:52
187.102.49.0/24 10 2026-08-26 21:46:52
187.102.53.0/24 10 2026-08-26 21:46:52
187.102.50.0/23 10 2026-08-26 21:46:52
187.102.60.0/22 10 2026-08-26 21:46:52
187.102.61.0/24 10 2026-08-26 21:46:52
187.102.58.0/24 10 2026-08-26 21:46:52
187.102.48.0/24 10 2026-08-26 21:46:52
187.102.63.0/24 10 2026-08-26 21:46:52
187.102.62.0/24 10 2026-08-26 21:46:52
187.102.50.0/24 10 2026-08-26 21:46:52
187.102.56.0/23 10 2026-08-26 21:46:52
187.102.55.0/24 10 2026-08-26 21:46:52
187.102.52.0/24 10 2026-08-26 21:46:52
187.102.60.0/24 10 2026-08-26 21:46:52
187.102.51.0/24 10 2026-08-26 21:46:52
187.102.54.0/24 10 2026-08-26 21:46:52

Showing top 50 of 51 announced prefixes by sample volume.

Frequently Asked Questions

What is AS263478?

AS263478 is an Autonomous System Number assigned to DUFIBRANET TELECOM LTDA. 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 AS263478 announce?

AS263478 announces 5.6K IPv4 addresses distributed across 6 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS263478?

AS263478 is operated by DUFIBRANET TELECOM LTDA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS263478 registered in?

AS263478 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-13 23:39:05 UTC
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