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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 24,492 2026-09-17 04:38:48
216.134.248.0/21 24,483 2026-09-17 04:39:03
67.209.41.0/24 24,401 2026-09-17 04:38:27
63.75.31.0/24 22,123 2026-09-17 04:29:52
67.209.40.0/24 21,944 2026-09-17 04:37:44
67.209.43.0/24 21,936 2026-09-17 04:35:43
67.209.42.0/24 21,816 2026-09-17 04:38:58
207.66.101.0/24 21,562 2026-09-17 04:38:43
167.100.127.0/24 21,185 2026-09-17 04:33:17
167.100.125.0/24 21,180 2026-09-17 04:38:08
167.100.120.0/24 21,175 2026-09-17 04:31:20
167.100.126.0/24 21,126 2026-09-17 04:35:12
167.100.124.0/24 21,120 2026-09-17 04:36:30
167.100.123.0/24 21,054 2026-09-17 04:38:50
167.100.121.0/24 21,023 2026-09-17 04:29:41
167.100.122.0/24 20,856 2026-09-17 04:38:41
207.66.97.0/24 19,310 2026-09-17 04:38:16
207.66.96.0/24 19,298 2026-09-17 04:37:54
207.66.100.0/24 19,235 2026-09-17 04:31:23
207.66.102.0/24 19,229 2026-09-17 04:38:12
207.66.99.0/24 19,136 2026-09-17 04:38:36
207.66.103.0/24 19,097 2026-09-17 04:39:02
216.134.224.0/24 19,072 2026-09-17 04:35:37
207.66.98.0/24 19,051 2026-09-17 04:38:49
216.134.225.0/24 19,041 2026-09-17 04:30:38
216.134.240.0/22 19,009 2026-09-17 04:36:56
216.134.226.0/24 18,968 2026-09-17 04:35:55
216.134.227.0/24 18,964 2026-09-17 04:31:47
216.134.247.0/24 18,962 2026-09-17 04:37:24
216.134.246.0/24 18,928 2026-09-17 04:36:03
216.134.230.0/24 18,884 2026-09-17 04:25:59
216.134.228.0/24 18,871 2026-09-17 04:38:11
216.134.232.0/23 18,744 2026-09-17 04:38:50
216.134.234.0/24 18,737 2026-09-17 04:38:49
216.134.235.0/24 18,733 2026-09-17 04:38:58
216.134.236.0/22 18,719 2026-09-17 04:38:36
216.134.231.0/24 18,582 2026-09-17 04:38:33
216.134.229.0/24 18,507 2026-09-17 04:38:35

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: 2026-09-17 04:39:05 UTC
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