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Autonomous System

AS264021

JSINET TELECOM

Announced IPs
1,024
CIDR prefixes
1
ASN
AS264021

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
143.0.132.0/22 1.0K
0.0%
JSINET TELECOM BR Pernambuco Bonito

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS264021 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
143.0.132.0/22 96,403 2026-07-29 09:04:56
143.0.132.0/23 23,862 2026-07-29 08:59:15
143.0.134.0/23 22,172 2026-07-29 08:59:15
143.0.133.0/24 675 2026-07-29 06:05:57
143.0.132.0/24 674 2026-07-29 06:05:57
143.0.134.0/24 670 2026-07-29 06:05:57
143.0.135.0/24 670 2026-07-29 06:05:57

Frequently Asked Questions

What is AS264021?

AS264021 is an Autonomous System Number assigned to JSINET TELECOM. 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 AS264021 announce?

AS264021 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS264021?

AS264021 is operated by JSINET TELECOM. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS264021 registered in?

AS264021 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-29 09:10:31 UTC
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