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Autonomous System

AS393856

City of Westfield (Gas & Electric Light Department)

Announced IPs
36,352
CIDR prefixes
25
ASN
AS393856

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.

73/100
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
38.52.240.0/20 4.1K
0.1%
City of Westfield Gas & Electric Light Department US Massachusetts Becket
38.172.0.0/20 4.1K
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts West Springfield
107.189.48.0/20 4.1K
0.1%
City of Westfield Gas & Electric Light Department US Massachusetts Ashfield
216.193.128.0/20 4.1K
0.1%
City of Westfield Gas & Electric Light Department US Massachusetts Westfield
38.52.224.0/21 2.0K
0.1%
City of Westfield Gas & Electric Light Department US Massachusetts Colrain
38.172.16.0/21 2.0K
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts West Springfield
107.189.32.0/21 2.0K
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Chesterfield
216.193.152.0/21 2.0K
0.1%
City of Westfield Gas & Electric Light Department US Massachusetts Westfield
8.8.52.0/22 1.0K
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Westfield
38.52.232.0/22 1.0K
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Heath
107.189.44.0/22 1.0K
0.1%
City of Westfield Gas & Electric Light Department US Massachusetts Blandford
216.193.144.0/22 1.0K
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Westfield
216.193.160.0/22 1.0K
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Westfield
216.193.168.0/22 1.0K
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Westfield
216.193.176.0/22 1.0K
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Westfield
216.193.184.0/22 1.0K
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Westfield
8.40.84.0/23 512
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Alford
38.52.238.0/23 512
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Plainfield
107.189.40.0/23 512
0.2%
City of Westfield Gas & Electric Light Department US Massachusetts New Salem
192.189.28.0/23 512
4.9%
City of Westfield Gas & Electric Light Department US Massachusetts Westfield
208.236.210.0/23 512
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Westfield
8.40.87.0/24 256
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Great Barrington
38.52.236.0/24 256
0.0%
City of Westfield Gas & Electric Light Department US Massachusetts Rowe
208.199.31.0/24 256
0.8%
City of Westfield Gas & Electric Light Department US Massachusetts Westfield
216.193.190.0/24 256
0.8%
City of Westfield Gas & Electric Light Department US Massachusetts Westfield

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS393856 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
216.193.190.0/24 10,553 2026-07-29 00:56:51
192.189.28.0/24 10,465 2026-07-29 00:56:45
208.236.211.0/24 9,641 2026-07-29 01:20:07
208.236.210.0/24 9,440 2026-07-29 01:44:51
192.189.29.0/24 8,961 2026-07-29 01:44:51
216.193.184.0/22 8,948 2026-07-29 01:44:51
216.193.156.0/22 8,940 2026-07-29 01:44:51
216.193.160.0/22 8,938 2026-07-29 01:44:51
216.193.152.0/22 8,936 2026-07-29 01:44:51
216.193.140.0/22 8,934 2026-07-29 01:44:51
216.193.168.0/22 8,932 2026-07-29 01:44:51
216.193.144.0/22 8,931 2026-07-29 01:44:51
8.8.52.0/22 7,209 2026-07-29 01:34:55
8.40.87.0/24 7,201 2026-07-29 01:34:55
38.52.248.0/21 7,066 2026-07-29 01:34:57
38.52.238.0/23 7,038 2026-07-29 01:34:57
38.52.234.0/23 7,027 2026-07-29 01:34:57
38.52.224.0/22 7,024 2026-07-29 01:34:57
38.172.0.0/21 6,872 2026-07-29 01:34:57
107.189.60.0/22 6,744 2026-07-29 01:30:48
107.189.32.0/23 6,709 2026-07-29 01:30:48
107.189.56.0/22 6,708 2026-07-29 01:30:48
107.189.34.0/23 6,707 2026-07-29 01:31:01
208.199.31.0/24 6,528 2026-07-29 01:30:48
216.193.128.0/22 6,527 2026-07-29 01:30:48
216.193.132.0/22 6,501 2026-07-29 01:30:48
216.193.136.0/22 6,493 2026-07-29 01:30:48
216.193.176.0/22 5,219 2026-07-29 01:18:47
8.40.84.0/23 4,339 2026-07-29 01:34:55
38.52.228.0/22 4,233 2026-07-29 01:35:00
38.52.232.0/23 4,206 2026-07-29 01:35:00
38.52.240.0/21 4,204 2026-07-29 01:35:00
38.52.236.0/24 4,192 2026-07-29 01:35:00
38.172.16.0/21 4,028 2026-07-29 01:35:00
38.172.8.0/21 4,018 2026-07-29 01:35:00
107.189.52.0/22 3,885 2026-07-29 01:30:48
107.189.44.0/22 3,882 2026-07-29 01:30:48
107.189.40.0/23 3,880 2026-07-29 01:30:48
107.189.36.0/22 3,873 2026-07-29 01:30:48
107.189.48.0/22 3,872 2026-07-29 01:30:48

Frequently Asked Questions

What is AS393856?

AS393856 is an Autonomous System Number assigned to City of Westfield (Gas & Electric Light Department). 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 AS393856 announce?

AS393856 announces 36.4K IPv4 addresses distributed across 25 routed CIDR prefixes. The network is registered in United States.

Who operates AS393856?

AS393856 is operated by City of Westfield Gas & Electric Light Department. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS393856 registered in?

AS393856 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: 2026-07-29 01:55:31 UTC
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