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Autonomous System

AS263478

DUFIBRANET TELECOM LTDA

Announced IPs
5,120
CIDR prefixes
5
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 v1.1.0 — 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 Balanced
Peering policy Open
IRR record AS263478:AS-ALL

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

AS263478 — global IP footprint

Cities where AS263478 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

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
45.226.232.0/22 80,919 2026-07-18 10:52:00
170.83.180.0/22 71,198 2026-07-18 10:52:00
138.204.80.0/22 67,532 2026-07-18 10:52:00
191.242.192.0/22 62,549 2026-07-18 10:52:00
200.5.32.0/22 58,012 2026-07-18 10:52:00
45.226.232.0/24 32,608 2026-07-18 11:28:22
45.226.235.0/24 32,383 2026-07-18 11:28:01
45.226.233.0/24 32,213 2026-07-18 11:28:01
45.226.234.0/24 32,134 2026-07-18 11:28:01
200.5.32.0/24 26,706 2026-07-18 10:53:08
138.204.83.0/24 4,016 2026-07-18 09:48:24
138.204.80.0/24 3,791 2026-07-18 09:48:24
138.204.80.0/23 3,723 2026-07-18 09:48:24
170.83.183.0/24 3,713 2026-07-18 09:48:24
170.83.181.0/24 3,711 2026-07-18 09:48:24
170.83.182.0/24 3,705 2026-07-18 09:48:24
191.242.194.0/23 3,680 2026-07-18 09:48:24
170.83.180.0/23 3,670 2026-07-18 09:48:24
170.83.182.0/23 3,668 2026-07-18 09:48:24
191.242.192.0/23 3,649 2026-07-18 09:48:24
138.204.81.0/24 3,418 2026-07-18 09:48:24
138.204.82.0/24 3,418 2026-07-18 09:48:24
191.242.195.0/24 3,392 2026-07-18 09:48:24
191.242.194.0/24 3,388 2026-07-18 09:48:24
191.242.192.0/24 3,368 2026-07-18 09:48:24
191.242.193.0/24 3,363 2026-07-18 09:48:24
170.83.180.0/24 3,312 2026-07-18 09:48:24
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

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 5.1K IPv4 addresses distributed across 5 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: 2026-07-18 11:40:32 UTC
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