AS19523 FlexNetworks — ASN Info Lookup

AS19523FlexNetworksISP

WHOIS Topology

Canada · ARINflexnetworks.ca

IPv4 addresses

10,752

35 announced prefixes

IPv6 addresses

1.63 × 10²⁹

7 announced prefixes

BGP neighbours

…

CAIDA rank

#1,846

Customer cone 17 ASNs

Estimated users

7.97K

APNIC Labs estimate

RPKI

62% valid

0 invalid · 16 not covered

Average purity

13 sampled IPs

IXPs / facilities

8 / 2

Operator self-reported

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

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IP ranges

Currently announced prefixes with their RIR registration and geolocation.

Prefix	RPKI	Registration	Geolocation	Addresses
64.203.64.0/20	Not found	—	Saskatoon	4,096
64.203.64.0/21	Not found	—	Saskatoon	2,048
64.203.72.0/21	Not found	—	Saskatoon	2,048
64.203.80.0/21	Not found	—	Winnipeg	2,048
64.203.88.0/21	Not found	—	Winnipeg	2,048
64.72.196.0/23	Valid	—	Rossburn	512
104.167.252.0/23	Valid	—	Rossburn	512
198.163.118.0/23	Not found	—	Shoal Lake	512
23.146.32.0/24	Valid	—	Hamiota	256
64.72.198.0/24	Valid	—	Rossburn	256
64.203.64.0/24	Valid	—	Saskatoon	256
64.203.65.0/24	Valid	—	Saskatoon	256
64.203.66.0/24	Valid	—	Saskatoon	256
64.203.67.0/24	Valid	—	Saskatoon	256
64.203.68.0/24	Valid	—	Saskatoon	256
64.203.69.0/24	Valid	—	Saskatoon	256
64.203.72.0/24	Valid	—	Saskatoon	256
64.203.73.0/24	Valid	—	Saskatoon	256
64.203.74.0/24	Valid	—	Saskatoon	256
64.203.80.0/24	Valid	—	Winnipeg	256

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 13 / 42 （31%） · flagged 0

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

64.203.64.0/206/16 with data · 0 flagged

64.203.80.0/211/8 with data · 0 flagged

64.203.88.0/211/8 with data · 0 flagged

64.72.196.0/231/2 with data · 0 flagged

104.167.252.0/231/2 with data · 0 flagged

198.163.118.0/231/2 with data · 0 flagged

23.146.32.0/241/1 with data · 0 flagged

64.72.198.0/241/1 with data · 0 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 1370–84 050–69 00–49 0

0.01%

Share of IPv4 reported or blocklisted

Listed IPs

Analysed IPs

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

Canada100.0%

Scope: Single country
In registered country: 100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS19523 · Last 7 days

Mobile vs. Desktop

Desktop76.5%Mobile23.5%

Bot vs. Human

Human76.1%Bot23.9%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version

IPv497.6%IPv62.4%

HTTP Version

HTTP/1.x

26.9%HTTP/2

48.1%HTTP/3

25.0%

HTTP vs. HTTPS

98.4% HTTPS (encrypted)

Plain HTTP 1.6%

TLS Version

TLS 1.0/1.10%TLS 1.25.0%TLS 1.369.6%QUIC25.4%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks

HEAD

46.7%GET

43.2%POST

8.5%PATCH

1.5%

BGP Announcements

Hourly BGP route announcements over the last 7 days

207,021

7-day total

6,870

Hourly peak

Data: Cloudflare Radar, licensed under CC BY-NC 4.0

Activity

Hourly traffic over the last 7 days, normalized to this network’s peak.

A pronounced day/night rhythm, typical of networks with human users.

	00						06						12						18
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Times in UTCLessMore

Peak hour: 15:00–16:00
Active hours: 11 hrs
Weekend vs weekday: Weekdays heavier
Busiest day: Wed

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BGP upstreams and neighbours

AS19523Standalone page

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WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

Information	Source	Updated
Registered country	RIR daily delegation statistics	2026-10-20
Registered address & allocation date	RIR registration data (RDAP)	2026-10-16
Organization & company country	AS-to-organization data	2026-10-21
Network type	CleanIP ASN canon	2026-10-16
Exchanges & facilities	Operator self-reported interconnection data	2026-10-21
Announced prefixes & BGP neighbours	Public BGP routing data	2026-10-22
IPv4 geography	Geolocation database	—
RPKI validation	RPKI ROA validation data	2026-10-22
Rank & customer cone	CAIDA AS Rank	2026-10-01
Estimated users (APNIC)	APNIC Labs user estimates	2026-10-19
IP reputation	CleanIP lookups and neighbour sampling	—

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Multi-source cross-checks · In-house reputation data · Real data only