AS19108 — SUDDENLINK-COMMUNICATIONS - Optimum(US)

Nutrition Label

Routing footprint

AS19108 announces 432 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

• 24.31.17.0/24
• 24.32.0.0/20
• 24.32.24.0/21
• 24.32.32.0/21
• 24.32.0.0/16
• 24.32.130.0/24
• 24.49.194.0/24
• 24.49.200.0/24
• 24.54.114.0/24
• 24.54.116.0/24
• 24.54.117.0/24
• 24.54.118.0/24
• 24.54.119.0/24
• 24.72.175.0/24
• 24.72.186.0/23
• 24.75.113.0/24
• 24.75.123.0/24
• 24.75.124.0/24
• 24.75.126.0/24
• 24.121.0.0/17
• 24.121.83.0/24
• 24.121.88.0/24
• 24.121.0.0/16
• 24.121.128.0/17
• 24.156.15.0/24

Peering ecosystem

79 distinct peers via BGP. The first 79 are listed below.

Blast radius

Count of dependent hostnames if AS19108 disappeared from the routing table.

≥16,288 hostnames depend on this network.Verified lower bound — counted across 50 of 438 announced prefixes. The true total is at least this many. Snapshot Sat, 13 Jun 2026 16:00:33 GMT.

MOAS / hijack watch

Prefixes routed by AS19108 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.

No active MOAS conflicts. Every prefix announced by AS19108 is unique to AS19108 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS19108.

• Country · US
• Peer · CROSS-DEVELOPMENT-MONTGOMERY - Cross Development/Montgomery LPAS11135
• Prefix · 24.31.17.0/24
• Live MOAS conflicts feed
• Threat feed · Spamhaus DROP
• Browse this ASN range · 19000-19999
• Glossary · What is BGP?
• Whisper Internet Directory — home

Cypher and MCP

Reproduce the headline metric directly against graph.whisper.security:

MATCH (a:ASN {name: "AS19108"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS country

Or query Whisper from your own LLM workflow via the Whisper MCP server.