Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS18943

Announcement observedARIN

YELCOT TELEPHONE COMPANY · YELCOT

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/14/2026, 00:00:00Snapshot expired

View network topology RDAP registration

ASN: AS18943
Registration country: United States
Name: YELCOT TELEPHONE COMPANY
Abbreviation: YELCOT
Registration date: 10/31/2000, 05:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
167.100.120.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
167.100.121.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
167.100.122.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
167.100.123.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
167.100.124.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
167.100.125.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
167.100.126.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
167.100.127.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
207.66.100.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
207.66.101.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
207.66.102.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
207.66.103.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
207.66.96.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
207.66.97.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
207.66.98.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
207.66.99.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.224.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.225.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.226.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.227.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.228.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.229.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.230.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.231.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.232.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.234.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.235.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.236.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.240.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.244.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.246.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.247.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
216.134.248.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
63.75.31.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
67.209.40.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
67.209.41.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
67.209.42.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid
67.209.43.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/13/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: YELCOT TELEPHONE COMPANY
RIR: ARIN
Registration country: United States
Registration date: 10/31/2000, 05:00:00
Abuse contact: aaron.bueg@yelcot.com

Snapshot trend

10/1/2026, 00:12:0038 v41 v65 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn · cha-la-bgp-observations