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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 26,045 2026-09-13 13:39:00
192.189.28.0/24 21,538 2026-09-13 13:21:13
208.236.211.0/24 16,406 2026-09-13 13:21:50
8.8.52.0/22 14,941 2026-09-13 13:21:30
8.40.87.0/24 14,919 2026-09-13 13:21:30
208.236.210.0/24 14,773 2026-09-13 13:21:13
38.52.248.0/21 14,703 2026-09-13 13:21:30
38.52.238.0/23 14,670 2026-09-13 13:21:30
38.52.234.0/23 14,663 2026-09-13 13:21:30
38.52.224.0/22 14,659 2026-09-13 13:21:30
38.172.0.0/21 14,488 2026-09-13 13:21:30
216.193.156.0/22 14,244 2026-09-13 13:21:50
192.189.29.0/24 14,194 2026-09-13 13:21:13
216.193.184.0/22 14,169 2026-09-13 13:21:50
216.193.160.0/22 14,168 2026-09-13 13:21:50
216.193.152.0/22 14,157 2026-09-13 13:21:50
216.193.140.0/22 14,153 2026-09-13 13:21:50
216.193.144.0/22 14,150 2026-09-13 13:21:50
216.193.168.0/22 14,147 2026-09-13 13:21:50
107.189.60.0/22 14,048 2026-09-13 13:21:30
107.189.56.0/22 14,030 2026-09-13 13:21:30
107.189.34.0/23 14,026 2026-09-13 13:21:30
107.189.32.0/23 14,017 2026-09-13 13:21:30
8.40.84.0/23 11,969 2026-09-13 13:21:30
38.52.240.0/21 11,809 2026-09-13 13:21:30
38.52.232.0/23 11,806 2026-09-13 13:21:30
38.52.228.0/22 11,804 2026-09-13 13:21:30
38.52.236.0/24 11,732 2026-09-13 13:21:30
38.172.16.0/21 11,609 2026-09-13 13:21:30
38.172.8.0/21 11,591 2026-09-13 13:21:30
208.199.31.0/24 11,310 2026-09-13 13:21:30
107.189.52.0/22 11,196 2026-09-13 13:21:30
107.189.36.0/22 11,184 2026-09-13 13:21:30
107.189.44.0/22 11,156 2026-09-13 13:21:30
107.189.40.0/23 11,154 2026-09-13 13:21:30
216.193.128.0/22 11,145 2026-09-13 13:21:30
107.189.48.0/22 11,141 2026-09-13 13:21:30
216.193.132.0/22 11,104 2026-09-13 13:21:30
216.193.136.0/22 11,096 2026-09-13 13:21:30
216.193.176.0/22 7,910 2026-09-13 13:21:50

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: 2026-09-13 13:39:10 UTC
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