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Autonomous System

AS21703

JEFO

Announced IPs
256
CIDR prefixes
1
ASN
AS21703

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.

65/100
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
23.130.248.0/24 256
11.7%
JEFO CA Quebec Saint-Hyacinthe

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS21703 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
23.130.248.0/24 7,722 2026-07-31 15:05:17

Frequently Asked Questions

What is AS21703?

AS21703 is an Autonomous System Number assigned to JEFO. 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 AS21703 announce?

AS21703 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Canada.

Who operates AS21703?

AS21703 is operated by JEFO. The organization is based in Canada. You can view all IP ranges and related ASNs on the organization page.

What country is AS21703 registered in?

AS21703 is registered in Canada. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 15:55:30 UTC
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