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Autonomous System

AS19523

FlexNetworks

Announced IPs
9,984
CIDR prefixes
13
ASN
AS19523

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 v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Network Services
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open
IRR record AS19523:AS-CUSTOMERS

Present at 8 internet exchanges: YXEIX: YXEIX, MBIX: Public Peering, TorIX, MICE: Shared Peering, VANIX, SIX Seattle: MTU 1500, CANIX Toronto, CANIX Ottawa: Main

Web3 footprint

AS19523 hosts 7 observed decentralized-network nodes across 3 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS19523 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
198.169.238.0/24 22,708 2026-11-13 15:30:36
64.203.84.0/24 20,938 2026-11-13 15:30:36
64.203.83.0/24 20,918 2026-11-13 15:30:36
64.203.80.0/24 20,704 2026-11-13 15:30:36
64.203.81.0/24 20,671 2026-11-13 15:30:36
64.203.82.0/24 20,664 2026-11-13 15:30:36
64.203.80.0/21 20,263 2026-11-13 15:30:36
23.146.32.0/24 19,137 2026-11-13 15:30:36
64.203.72.0/24 19,136 2026-11-13 15:30:36
64.203.73.0/24 19,134 2026-11-13 15:30:36
64.203.74.0/24 19,118 2026-11-13 15:30:36
64.203.67.0/24 19,111 2026-11-13 15:30:36
64.203.68.0/24 19,094 2026-11-13 15:30:36
64.203.69.0/24 19,093 2026-11-13 15:30:36
64.203.64.0/24 19,075 2026-11-13 15:30:36
64.203.65.0/24 19,050 2026-11-13 15:30:36
64.203.66.0/24 19,045 2026-11-13 15:30:36
64.203.91.0/24 19,039 2026-11-13 15:30:36
64.72.196.0/23 19,032 2026-11-13 15:30:36
64.203.89.0/24 19,031 2026-11-13 15:30:36
64.72.198.0/24 19,023 2026-11-13 15:30:36
64.203.94.0/24 19,020 2026-11-13 15:30:36
64.203.90.0/24 19,016 2026-11-13 15:30:36
64.203.88.0/24 19,014 2026-11-13 15:30:36
104.167.253.0/24 18,955 2026-11-13 15:30:36
104.167.252.0/24 18,954 2026-11-13 15:30:36
104.167.252.0/23 18,872 2026-11-13 15:30:36
64.203.72.0/21 18,760 2026-11-13 15:30:36
64.203.64.0/21 18,714 2026-11-13 15:30:36
64.203.64.0/20 18,711 2026-11-13 15:30:36
64.203.88.0/21 18,661 2026-11-13 15:30:36
167.74.223.0/24 18,393 2026-11-13 15:30:36
198.163.119.0/24 18,262 2026-11-13 15:30:36
198.163.118.0/23 18,210 2026-11-13 15:30:36
198.163.118.0/24 18,194 2026-11-13 15:30:36

Frequently Asked Questions

What is AS19523?

AS19523 is an Autonomous System Number assigned to FlexNetworks. 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 AS19523 announce?

AS19523 announces 10.0K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in Canada.

Who operates AS19523?

AS19523 is operated by FlexNetworks. The organization is based in Canada. You can view all IP ranges and related ASNs on the organization page.

What country is AS19523 registered in?

AS19523 is registered in Canada. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 15:39:04 UTC
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