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Autonomous System

AS21632

Cybernet1

Announced IPs
6,907
CIDR prefixes
55
ASN
AS21632

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 Cable/DSL/ISP
Traffic level 20-50Gbps
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Open
IRR record RS-GRIZZLYBB

Present at 2 internet exchanges: SIX Seattle: MTU 1500, SIX Seattle (Jumbo): MTU 9000

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
108.174.112.0/20 4.1K
98.8%
Cybernet1 US Montana Corvallis
108.174.112.0/22 1.0K
98.9%
Cybernet1 US Montana Corvallis
66.62.122.0/23 512
98.4%
Cybernet1 US — —
108.174.116.0/23 512
98.2%
Cybernet1 US Montana Corvallis
108.174.122.0/23 512
98.0%
Cybernet1 US Montana Corvallis
108.174.124.0/23 512
99.0%
Cybernet1 US Montana Corvallis
66.62.89.0/24 256
0.0%
Cybernet1 US Montana Stevensville
66.62.93.0/24 256
97.7%
Cybernet1 US Montana Stevensville
66.62.95.0/24 256
98.8%
Cybernet1 US Montana Hamilton
66.62.113.0/24 256
0.4%
Cybernet1 US — —
66.62.121.0/24 256
97.7%
Cybernet1 US — —
66.62.124.0/24 256
98.4%
Cybernet1 US — —
66.62.126.0/24 256
0.0%
Cybernet1 US Montana Hamilton
66.62.166.0/24 256
98.0%
Cybernet1 US — —
108.174.119.0/24 256
99.2%
Cybernet1 US Montana Corvallis
108.174.120.0/24 256
98.8%
Cybernet1 US Montana Corvallis
108.174.126.0/24 256
99.6%
Cybernet1 US Montana Corvallis
216.166.148.0/24 256
0.0%
Cybernet1 US Montana Corvallis
66.62.126.0/25 128
0.0%
Cybernet1 US Montana Hamilton
108.174.118.0/25 128
99.2%
Cybernet1 US Montana Corvallis
108.174.121.0/25 128
99.2%
Cybernet1 US Montana Corvallis
108.174.127.0/25 128
99.2%
Cybernet1 US Montana Corvallis
216.166.148.128/25 128
0.0%
Cybernet1 US Montana Corvallis
66.62.126.128/26 64
0.0%
Cybernet1 US Montana Hamilton
108.174.118.192/26 64
98.4%
Cybernet1 US Montana Corvallis
108.174.121.192/26 64
100.0%
Cybernet1 US Montana Corvallis
108.174.127.128/26 64
98.4%
Cybernet1 US Montana Corvallis
216.166.148.64/26 64
0.0%
Cybernet1 US Montana Corvallis
66.62.126.192/27 32
0.0%
Cybernet1 US Montana Hamilton
108.174.118.128/27 32
100.0%
Cybernet1 US Montana Corvallis
108.174.121.128/27 32
100.0%
Cybernet1 US Montana Corvallis
108.174.127.224/27 32
100.0%
Cybernet1 US Montana Corvallis
216.166.148.32/27 32
0.0%
Cybernet1 US Montana Corvallis
66.62.126.224/28 16
0.0%
Cybernet1 US Montana Hamilton
108.174.118.160/28 16
100.0%
Cybernet1 US Montana Corvallis
108.174.121.160/28 16
100.0%
Cybernet1 US Montana Corvallis
108.174.127.192/28 16
100.0%
Cybernet1 US Montana Corvallis
216.166.148.0/28 16
0.0%
Cybernet1 US Montana Corvallis
66.62.126.248/29 8
0.0%
Cybernet1 US Montana Hamilton
108.174.118.176/29 8
100.0%
Cybernet1 US Montana Corvallis
108.174.121.176/29 8
100.0%
Cybernet1 US Montana Corvallis
108.174.127.216/29 8
100.0%
Cybernet1 US Montana Corvallis
216.166.148.16/29 8
0.0%
Cybernet1 US Montana Corvallis
66.62.126.240/30 4
0.0%
Cybernet1 US Montana Hamilton
108.174.118.184/30 4
100.0%
Cybernet1 US Montana Corvallis
108.174.121.188/30 4
100.0%
Cybernet1 US Montana Corvallis
108.174.127.212/30 4
100.0%
Cybernet1 US Montana Corvallis
216.166.148.24/30 4
0.0%
Cybernet1 US Montana Corvallis
66.62.126.246/31 2
0.0%
Cybernet1 US Montana Hamilton
108.174.118.190/31 2
100.0%
Cybernet1 US Montana Corvallis
108.174.121.186/31 2
100.0%
Cybernet1 US Montana Corvallis
108.174.127.210/31 2
100.0%
Cybernet1 US Montana Corvallis
216.166.148.28/31 2
0.0%
Cybernet1 US Montana Corvallis
66.62.126.245/32 1
0.0%
Cybernet1 US Montana Hamilton
108.174.118.188/32 1
100.0%
Cybernet1 US Montana Corvallis
108.174.121.184/32 1
100.0%
Cybernet1 US Montana Corvallis
108.174.127.208/32 1
100.0%
Cybernet1 US Montana Corvallis
216.166.148.30/32 1
0.0%
Cybernet1 US Montana Corvallis

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS21632 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
66.62.126.0/24 26,847 2026-11-13 15:44:32
66.62.95.0/24 26,826 2026-11-13 15:44:32
66.62.89.0/24 26,812 2026-11-13 15:44:32
66.62.166.0/24 26,797 2026-11-13 15:44:32
66.62.122.0/24 26,760 2026-11-13 15:44:32
66.62.121.0/24 26,759 2026-11-13 15:44:32
66.62.93.0/24 26,730 2026-11-13 15:44:32
66.62.124.0/24 26,702 2026-11-13 15:44:32
66.62.123.0/24 26,700 2026-11-13 15:44:32
66.62.113.0/24 26,446 2026-11-13 15:44:32
108.174.112.0/20 26,039 2026-11-13 15:44:32
216.166.148.0/24 25,292 2026-11-13 15:44:32

Frequently Asked Questions

What is AS21632?

AS21632 is an Autonomous System Number assigned to Cybernet1. 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 AS21632 announce?

AS21632 announces 6.9K IPv4 addresses distributed across 55 routed CIDR prefixes. The network is registered in United States.

Who operates AS21632?

AS21632 is operated by Cybernet1. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS21632 registered in?

AS21632 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 16:39:05 UTC
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