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Autonomous System

AS20258

Analog Devices, Inc.

Announced IPs
10,496
CIDR prefixes
23
ASN
AS20258

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
137.71.172.0/22 1.0K
0.0%
Analog Devices, Inc. US
137.71.192.0/22 1.0K
0.0%
Analog Devices, Inc. US
137.71.220.0/22 1.0K
0.0%
Analog Devices, Inc. US Massachusetts Belmont
137.71.54.0/23 512
0.0%
Analog Devices, Inc. US
137.71.114.0/23 512
0.0%
Analog Devices, Inc. US
137.71.116.0/23 512
0.0%
Analog Devices, Inc. US
137.71.162.0/23 512
0.0%
Analog Devices, Inc. US
137.71.164.0/23 512
0.0%
Analog Devices, Inc. US California Fremont
137.71.170.0/23 512
0.0%
Analog Devices, Inc. US Massachusetts Charlestown
137.71.194.0/23 512
0.0%
Analog Devices, Inc. US
137.71.196.0/23 512
0.0%
Analog Devices, Inc. US
137.71.226.0/23 512
0.2%
Analog Devices, Inc. US
137.71.246.0/23 512
0.0%
Analog Devices, Inc. US
137.71.248.0/23 512
0.0%
Analog Devices, Inc. US
137.71.45.0/24 256
0.0%
Analog Devices, Inc. US
137.71.46.0/24 256
0.0%
Analog Devices, Inc. US
137.71.105.0/24 256
0.0%
Analog Devices, Inc. US
137.71.106.0/24 256
0.0%
Analog Devices, Inc. US
137.71.115.0/24 256
0.0%
Analog Devices, Inc. PH
137.71.117.0/24 256
0.0%
Analog Devices, Inc. PH
137.71.177.0/24 256
0.0%
Analog Devices, Inc. US
137.71.181.0/24 256
0.0%
Analog Devices, Inc. US
137.71.183.0/24 256
0.0%
Analog Devices, Inc. US
137.71.195.0/24 256
0.0%
Analog Devices, Inc. IN
137.71.197.0/24 256
0.0%
Analog Devices, Inc. IN
137.71.228.0/24 256
0.0%
Analog Devices, Inc. US
137.71.230.0/24 256
0.0%
Analog Devices, Inc. US
137.71.114.0/25 128
0.0%
Analog Devices, Inc. PH
137.71.114.128/25 128
0.0%
Analog Devices, Inc. US
137.71.116.0/25 128
0.0%
Analog Devices, Inc. PH
137.71.116.128/25 128
0.0%
Analog Devices, Inc. US
137.71.192.0/25 128
0.0%
Analog Devices, Inc. TH
137.71.192.128/25 128
0.0%
Analog Devices, Inc. US
137.71.193.0/25 128
0.0%
Analog Devices, Inc. TH
137.71.193.128/25 128
0.0%
Analog Devices, Inc. US
137.71.194.128/25 128
0.0%
Analog Devices, Inc. US
137.71.196.128/25 128
0.0%
Analog Devices, Inc. IN
137.71.194.64/26 64
0.0%
Analog Devices, Inc. US
137.71.196.64/26 64
0.0%
Analog Devices, Inc. US
137.71.194.32/27 32
0.0%
Analog Devices, Inc. IN
137.71.196.32/27 32
0.0%
Analog Devices, Inc. IN
137.71.194.16/28 16
0.0%
Analog Devices, Inc. US
137.71.196.16/28 16
0.0%
Analog Devices, Inc. US
137.71.194.0/29 8
0.0%
Analog Devices, Inc. IN
137.71.196.0/29 8
0.0%
Analog Devices, Inc. IN
137.71.194.8/30 4
0.0%
Analog Devices, Inc. IN
137.71.196.8/30 4
0.0%
Analog Devices, Inc. US
137.71.196.12/30 4
0.0%
Analog Devices, Inc. IN
137.71.194.12/31 2
0.0%
Analog Devices, Inc. IN
137.71.194.14/31 2
0.0%
Analog Devices, Inc. US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS20258 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
137.71.192.0/24 59,660 2026-07-30 21:03:49
137.71.194.0/24 57,116 2026-07-30 21:18:47
137.71.194.0/23 54,634 2026-07-30 21:18:47
137.71.196.0/23 54,515 2026-07-30 21:19:06
137.71.196.0/24 54,278 2026-07-30 21:19:06
137.71.193.0/24 53,673 2026-07-30 21:03:49
137.71.192.0/23 51,587 2026-07-30 21:03:49
137.71.106.0/24 49,236 2026-07-20 19:09:51
137.71.105.0/24 49,163 2026-07-20 19:09:51
137.71.197.0/24 29,235 2026-07-30 20:58:19
137.71.195.0/24 21,299 2026-07-30 20:58:19
137.71.164.0/23 13,049 2026-07-30 21:18:26
137.71.162.0/23 12,983 2026-07-30 21:18:26
137.71.114.0/24 12,035 2026-07-30 20:58:19
137.71.55.0/24 10,863 2026-07-30 21:13:44
137.71.220.0/23 10,498 2026-07-30 21:13:44
137.71.174.0/23 8,553 2026-07-30 20:58:19
137.71.170.0/23 8,535 2026-07-30 20:58:19
137.71.172.0/23 8,526 2026-07-30 20:58:19
137.71.177.0/24 8,460 2026-07-30 20:58:19
137.71.115.0/24 8,363 2026-07-30 20:58:19
137.71.183.0/24 8,350 2026-07-30 21:18:30
137.71.181.0/24 8,216 2026-07-30 21:18:30
137.71.117.0/24 7,728 2026-07-30 20:58:19
137.71.116.0/24 7,687 2026-07-30 20:58:19
137.71.246.0/24 7,294 2026-07-30 20:58:19
137.71.226.0/24 7,286 2026-07-30 20:58:19
137.71.249.0/24 6,915 2026-07-30 20:58:19
137.71.54.0/23 6,071 2026-07-30 21:18:56
137.71.220.0/22 6,045 2026-07-30 21:18:56
137.71.171.0/24 5,683 2026-07-30 21:18:56
137.71.175.0/24 5,681 2026-07-30 21:18:56
137.71.173.0/24 5,628 2026-07-30 21:18:56
137.71.163.0/24 5,611 2026-07-30 21:18:56
137.71.162.0/24 5,558 2026-07-30 21:18:56
137.71.230.0/24 5,533 2026-07-30 20:58:19
137.71.165.0/24 5,523 2026-07-30 21:18:56
137.71.226.0/23 5,517 2026-07-30 20:58:19
137.71.248.0/23 5,496 2026-07-30 20:58:19
137.71.246.0/23 5,483 2026-07-30 20:58:19
137.71.46.0/24 5,092 2026-07-30 21:18:56
137.71.45.0/24 5,000 2026-07-30 21:18:56
137.71.198.0/24 1,249 2026-07-30 21:18:22
137.71.198.0/23 1,247 2026-07-30 21:18:22

Frequently Asked Questions

What is AS20258?

AS20258 is an Autonomous System Number assigned to Analog Devices, Inc.. 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 AS20258 announce?

AS20258 announces 10.5K IPv4 addresses distributed across 23 routed CIDR prefixes. The network is registered in United States.

Who operates AS20258?

AS20258 is operated by Analog Devices, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS20258 registered in?

AS20258 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: 2026-07-30 21:25:31 UTC
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