AS81 — NCREN - MCNC(US)

Nutrition Label

Routing footprint

AS81 announces 146 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

• 128.109.0.0/16
• 152.4.0.0/16
• 152.6.0.0/16
• 152.8.0.0/16
• 152.9.0.0/16
• 152.10.0.0/16
• 152.11.0.0/16
• 152.12.0.0/16
• 152.18.0.0/16
• 152.20.0.0/16
• 152.21.0.0/16
• 152.22.32.0/21
• 152.22.40.0/21
• 152.22.48.0/21
• 152.22.64.0/21
• 152.22.72.0/21
• 152.22.80.0/21
• 152.22.0.0/16
• 152.26.16.0/24
• 152.26.44.0/24
• 152.26.60.0/24
• 152.26.69.0/24
• 152.26.0.0/16
• 152.26.208.0/24
• 152.26.209.0/24

Peering ecosystem

40 distinct peers via BGP. The first 40 are listed below.

Blast radius

Approximate count of dependent hostnames if AS81 disappeared from the routing table.

Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.

MOAS / hijack watch

Prefixes routed by AS81 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 AS81 is unique to AS81 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS81.

• Country · US
• Peer · COGENT-174 - Cogent Communications, LLCAS174
• Prefix · 128.109.0.0/16
• Live MOAS conflicts feed
• Threat feed · Spamhaus DROP
• Whisper Internet Directory — home

Cypher and MCP

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

MATCH (a:ASN {name: "AS81"})-[: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.