Autonomous system profile

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

AS19108

Announcement observedARIN

SUDDENLINK-COMMUNICATIONS - Optimum · SUDDENLINK-COMMUNICATIONS

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

Last active10/19/2026, 18:31:27Snapshot expired

View network topology RDAP registration

ASN: AS19108
Registration country: United States
Name: SUDDENLINK-COMMUNICATIONS - Optimum
Abbreviation: SUDDENLINK-COMMUNICATIONS
Registration date: 11/20/2000, 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
167.160.140.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.216.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.216.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.216.124.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.216.128.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.216.242.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.216.247.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.216.248.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.217.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.217.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.208.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.224.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.24.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.240.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.251.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.28.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.32.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.36.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.40.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.44.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.48.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.64.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.68.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.72.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.76.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.80.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.84.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.88.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.92.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.218.96.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.112.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.128.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.128.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.144.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.3.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.4.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.43.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.49.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.50.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.60.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.74.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.80.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.90.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.96.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.96.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.219.98.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid
173.80.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/19/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: SUDDENLINK-COMMUNICATIONS - Optimum
RIR: ARIN
Registration country: United States
Registration date: 11/20/2000, 05:00:00
Abuse contact: abuse@suddenlink.net

Snapshot trend

10/19/2026, 18:31:27408 v427 v611 Upstream · 5 Uncertain

10/12/2026, 23:03:51408 v427 v611 Upstream · 5 Uncertain

10/1/2026, 00:58:13408 v426 v611 Upstream · 5 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 · rir-rdap-asn · iana-rdap-asn-bootstrap