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Autonomous System

AS40156

The Optimal Link Corporation

Announced IPs
11,008
CIDR prefixes
10
ASN
AS40156

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 →

Network profile

Source: PeeringDB →
Traffic level 200-300Gbps
Geographic scope North America
Traffic ratio Balanced
Peering policy Open

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS40156 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
193.202.106.0/24 5,297 2026-07-23 20:30:25
195.8.117.0/24 5,296 2026-07-23 20:30:25
66.187.64.0/20 4,611 2026-07-23 20:30:25
162.218.228.0/22 4,602 2026-07-23 20:30:25
142.249.221.0/24 4,600 2026-07-23 20:30:25
23.189.208.0/24 4,568 2026-07-23 20:30:25
23.128.116.0/24 4,557 2026-07-23 20:30:25
139.64.155.0/24 4,531 2026-07-23 20:30:25
216.230.224.0/20 4,523 2026-07-23 20:30:25
38.252.8.0/24 4,521 2026-07-23 20:30:25

Frequently Asked Questions

What is AS40156?

AS40156 is an Autonomous System Number assigned to The Optimal Link Corporation. 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 AS40156 announce?

AS40156 announces 11.0K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in United States.

Who operates AS40156?

AS40156 is operated by The Optimal Link Corporation. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS40156 registered in?

AS40156 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: 2026-07-23 22:10:32 UTC
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