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Autonomous System

AS18943

YELCOT TELEPHONE COMPANY

Announced IPs
13,568
CIDR prefixes
5
ASN
AS18943

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.

70/100
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

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS18943 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
216.134.244.0/23 16,829 2026-07-30 18:27:16
216.134.248.0/21 16,821 2026-07-30 18:27:16
67.209.41.0/24 13,957 2026-07-30 18:23:37
207.66.101.0/24 13,581 2026-07-30 18:27:16
63.75.31.0/24 11,680 2026-07-30 18:23:12
67.209.43.0/24 11,534 2026-07-30 18:23:37
67.209.40.0/24 11,533 2026-07-30 18:23:37
167.100.127.0/24 11,433 2026-07-30 18:26:16
167.100.120.0/24 11,431 2026-07-30 18:26:16
167.100.125.0/24 11,430 2026-07-30 18:26:16
167.100.126.0/24 11,363 2026-07-30 18:26:16
167.100.124.0/24 11,361 2026-07-30 18:26:16
67.209.42.0/24 11,357 2026-07-30 18:23:37
216.134.240.0/22 11,278 2026-07-30 18:27:15
207.66.97.0/24 11,268 2026-07-30 18:27:15
207.66.96.0/24 11,257 2026-07-30 18:27:15
216.134.247.0/24 11,252 2026-07-30 18:27:15
216.134.225.0/24 11,244 2026-07-30 18:27:15
216.134.227.0/24 11,240 2026-07-30 18:27:15
167.100.123.0/24 11,239 2026-07-30 18:26:16
216.134.226.0/24 11,234 2026-07-30 18:27:15
216.134.224.0/24 11,232 2026-07-30 18:27:15
207.66.102.0/24 11,227 2026-07-30 18:27:15
167.100.121.0/24 11,220 2026-07-30 18:26:16
216.134.246.0/24 11,215 2026-07-30 18:27:15
167.100.122.0/24 11,213 2026-07-30 18:26:13
207.66.100.0/24 11,207 2026-07-30 18:27:15
216.134.230.0/24 11,169 2026-07-30 18:27:15
216.134.228.0/24 11,169 2026-07-30 18:27:15
216.134.234.0/24 11,165 2026-07-30 18:27:01
207.66.98.0/24 11,162 2026-07-30 18:27:01
207.66.99.0/24 11,072 2026-07-30 18:26:58
207.66.103.0/24 11,071 2026-07-30 18:26:58
216.134.229.0/24 11,036 2026-07-30 18:26:53
216.134.231.0/24 11,029 2026-07-30 18:27:07
216.134.232.0/23 11,021 2026-07-30 18:26:58
216.134.235.0/24 11,016 2026-07-30 18:26:58
216.134.236.0/22 11,011 2026-07-30 18:26:58

Frequently Asked Questions

What is AS18943?

AS18943 is an Autonomous System Number assigned to YELCOT TELEPHONE COMPANY. 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 AS18943 announce?

AS18943 announces 13.6K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in United States.

Who operates AS18943?

AS18943 is operated by YELCOT TELEPHONE COMPANY. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS18943 registered in?

AS18943 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: 2026-07-30 18:40:31 UTC
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