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Autonomous System

AS397116

Wellesley Municipal Light Plant

Announced IPs
512
CIDR prefixes
1
ASN
AS397116

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 →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Geographic scope Regional
Traffic ratio Heavy Inbound
Peering policy Selective

Present at 1 internet exchange: MASS-IX: ISP Peering LAN

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
206.166.194.0/23 512
80.3%
Wellesley Municipal Light Plant US Massachusetts Wellesley

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS397116 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
206.166.194.0/23 3,641 2026-07-24 13:53:42

Frequently Asked Questions

What is AS397116?

AS397116 is an Autonomous System Number assigned to Wellesley Municipal Light Plant. 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 AS397116 announce?

AS397116 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS397116?

AS397116 is operated by Wellesley Municipal Light Plant. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS397116 registered in?

AS397116 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: 2026-07-24 14:55:31 UTC
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