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Autonomous System

AS20258

Analog Devices, Inc.

Announced IPs
11,008
CIDR prefixes
24
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
137.71.192.0/21 2.0K
0.0%
Analog Devices, Inc. US
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 Wilmington
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
137.71.198.0/23 512
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. IN
137.71.196.64/26 64
0.0%
Analog Devices, Inc. US
137.71.194.0/27 32
0.0%
Analog Devices, Inc. IN
137.71.194.32/27 32
0.0%
Analog Devices, Inc. US
137.71.196.32/27 32
0.0%
Analog Devices, Inc. US
137.71.196.16/28 16
0.0%
Analog Devices, Inc. IN
137.71.196.0/29 8
0.0%
Analog Devices, Inc. IN
137.71.196.8/29 8
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
137.71.193.0/24 108,287 2026-09-17 11:20:41
137.71.192.0/24 103,542 2026-09-17 11:20:41
137.71.192.0/23 83,162 2026-09-17 11:20:41
137.71.196.0/23 76,304 2026-09-17 10:58:26
137.71.196.0/24 76,095 2026-09-17 10:58:26
137.71.194.0/24 74,628 2026-09-17 10:59:28
137.71.194.0/23 72,133 2026-09-17 10:59:28
137.71.249.0/24 51,792 2026-09-17 10:28:22
137.71.246.0/24 50,288 2026-09-17 10:28:24
137.71.226.0/24 50,254 2026-09-17 10:28:24
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 33,292 2026-09-17 11:18:54
137.71.195.0/24 27,056 2026-09-17 11:18:50
137.71.114.0/24 25,720 2026-09-17 11:00:12
137.71.55.0/24 23,398 2026-09-17 11:19:14
137.71.220.0/23 22,862 2026-09-17 11:19:14
137.71.164.0/23 22,505 2026-09-17 11:20:24
137.71.162.0/23 22,431 2026-09-17 11:20:24
137.71.115.0/24 15,054 2026-09-17 11:00:12
137.71.45.0/24 14,879 2026-09-17 11:24:12
137.71.183.0/24 14,620 2026-09-17 11:20:42
137.71.117.0/24 14,511 2026-09-17 11:00:12
137.71.181.0/24 14,485 2026-09-17 11:20:42
137.71.116.0/24 14,479 2026-09-17 11:00:12
137.71.174.0/23 13,725 2026-09-17 11:20:45
137.71.172.0/23 13,581 2026-09-17 11:20:45
137.71.170.0/23 13,560 2026-09-17 11:20:45
137.71.177.0/24 13,534 2026-09-17 11:20:45
137.71.46.0/24 13,403 2026-09-17 10:28:05
137.71.198.0/23 12,016 2026-09-17 11:20:27
137.71.198.0/24 12,015 2026-09-17 11:20:27
137.71.54.0/23 10,904 2026-09-17 10:28:05
137.71.220.0/22 10,893 2026-09-17 10:28:05
137.71.230.0/24 10,671 2026-09-17 10:28:14
137.71.226.0/23 10,641 2026-09-17 10:28:14
137.71.248.0/23 10,614 2026-09-17 10:28:14
137.71.246.0/23 10,598 2026-09-17 10:28:14
137.71.175.0/24 10,225 2026-09-17 11:24:12
137.71.171.0/24 10,110 2026-09-17 11:24:12
137.71.173.0/24 10,047 2026-09-17 11:24:12
137.71.163.0/24 10,002 2026-09-17 10:28:05
137.71.162.0/24 9,958 2026-09-17 10:28:05
137.71.165.0/24 9,927 2026-09-17 10:28:05
137.71.199.0/24 2,810 2026-09-17 11:20:27

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 11.0K IPv4 addresses distributed across 24 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: 2026-09-17 11:24:05 UTC
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