AS12129 — 123NET - 123.Net, Inc.(US)

Nutrition Label

Routing footprint

AS12129 announces 60 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

• 37.221.109.0/24
• 65.183.160.0/19
• 66.51.144.0/20
• 66.54.96.0/22
• 66.103.224.0/19
• 67.214.112.0/20
• 69.39.64.0/19
• 69.54.68.0/24
• 69.54.69.0/24
• 69.87.152.0/24
• 74.126.12.0/24
• 74.126.0.0/19
• 130.44.28.0/22
• 130.51.212.0/22
• 147.189.140.0/24
• 149.19.205.0/24
• 152.160.0.0/17
• 152.160.110.0/24
• 152.160.140.0/22
• 152.160.144.0/22
• 152.160.128.0/18
• 152.160.160.0/20
• 152.160.184.0/21
• 176.111.221.0/24
• 181.214.238.0/23

Peering ecosystem

97 distinct peers via BGP. The first 97 are listed below.

Blast radius

Approximate count of dependent hostnames if AS12129 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 AS12129 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 AS12129 is unique to AS12129 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS12129.

• Country · US
• Peer · COGENT-174 - Cogent Communications, LLCAS174
• Prefix · 37.221.109.0/24
• 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: "AS12129"})-[: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.