AS18671 — PRTC-SC - PRTC(US)

Nutrition Label

Routing footprint

AS18671 announces 35 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

• 64.53.59.0/24
• 66.180.225.0/24
• 66.180.227.0/24
• 66.180.228.0/24
• 66.180.229.0/24
• 66.180.231.0/24
• 66.180.224.0/20
• 66.180.232.0/24
• 66.180.233.0/24
• 66.180.234.0/24
• 66.180.235.0/24
• 66.180.236.0/24
• 66.180.237.0/24
• 152.44.64.0/24
• 152.44.65.0/24
• 152.44.66.0/24
• 152.44.67.0/24
• 152.44.68.0/24
• 152.44.69.0/24
• 152.44.70.0/24
• 152.44.71.0/24
• 165.166.174.0/23
• 204.116.94.0/24
• 204.116.240.0/24
• 204.116.240.0/22

Peering ecosystem

6 distinct peers via BGP. The first 6 are listed below.

Blast radius

Count of dependent hostnames if AS18671 disappeared from the routing table.

456 hostnames depend on this network.Exact count across all 35 announced prefixes. Snapshot Fri, 12 Jun 2026 12:00:42 GMT.

MOAS / hijack watch

Prefixes routed by AS18671 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 AS18671 is unique to AS18671 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS18671.

• Country · US
• Peer · ORANGEBURGCOUNTYBB-SC - County of OrangeburgAS14480
• Prefix · 64.53.59.0/24
• Live MOAS conflicts feed
• Threat feed · Spamhaus DROP
• Browse this ASN range · 18000-18999
• Glossary · What is BGP?
• Whisper Internet Directory — home

Cypher and MCP

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

MATCH (a:ASN {name: "AS18671"})-[: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.