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Autonomous System

AS21700 — NEPTUNE-NETWORKS - Neptune Networks, LLC(US)

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AS21700 is an Autonomous System operated by NEPTUNE-NETWORKS - Neptune Networks, LLC and registered in US. As of Thu, 21 May 2026 12:49:58 GMT, it announces 10 routed IP prefixes and peers with 58 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS21700Routing diversity5.2/10Peering density7.1/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/21700

Routing footprint

AS21700 announces 10 distinct routed prefixes. The 10-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

58 distinct peers via BGP. The first 58 are listed below.

Peer ASNOperatorCountry
AS174COGENT-174 - Cogent Communications, LLCUS
AS402450
AS402240US
AS402164ROFAEL-01 - Rofael Aleezada, Sole ProprietorshipUS
AS401363LYNCROSS - Lyncross LLCUS
AS401227JOULEWORKS - JouleworksUS
AS400967ASSURED-NETWORKS - Assured NetworksUS
AS400941NUBINITY - Nubinity, LLCUS
AS400550SM-AS - Suburban Marine, Inc.US
AS400490TWO-BIT-HACKS - Two Bit Hacks, LLCUS
AS400366FS846-ASN-01 - Freestyle Services LLCUS
AS400312KHITOMER-NETWORKS - KHITOMER NETWORKS, LLCUS
AS399914N-LAB - N-LABUS
AS398987NS-GLOBAL - PhirePhly DesignUS
AS215931BARNACONSULTINGFR
AS215887BARAGOON Baragoon NetworksUA
AS215207AETHERNETUS
AS214828StarLight Network, inc.US
AS214022VIRTNETUS
AS213092MARBLEISGB
AS211544UNLABELEDUS
AS207890INTEFLUENTGB
AS207755BOLTONGB
AS206208PUSIC-JURAJ-ASES
AS205956LPNETFR
AS205414NERDLABRO
AS203943NET-AN inaka.networkAU
AS200819BR
AS153039PRONET-AS-AP Protected NetworksUS
AS152848ASDFHK-AS-AP asdf.hkHK
AS63229NOCTURNAL - Nocturnal NetworksUS
AS63183YTHING-NET-1 - Ything LLCUS
AS54098LIONLINK-NETWORKS - LIONLINK NETWORKSUS
AS53727AS-PENGUIN - Penguin NetworksUS
AS53343SCN - sc NetworkUS
AS46983CL-ASN-01 - crunchdev LLCUS
AS3607212COMMAS - 12 Commas LLCUS
AS35866SILVER-CHIP - Silver Chip InteractiveUS
AS26533STIBARC-AS-01 - STiBaRCUS
AS24482SGGS-AS-AP SG.GSSG
AS21820V64U - V6 FOR YOU LLCUS
AS20438AS-STOO-HQ - Stoo Networks LLCUS
AS19949FNFISP - FNFISPUS
AS18470GL-GFASN-01 - GraceWorks, LLCUS
AS17639CONVERGE-AS Converge ICT Solutions Inc.PH
AS17138MPSP-ENGINEERING - Matt Peterman Sole ProprietorUS
AS15257NBT-LABS - NBT Labs, LLCUS
AS13849BLOCKINETIC - Blockinetic LLCUS
AS13030INIT7CH
AS12654RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCCNL
AS10779STEPBROBD - StepBroBD, Inc.US
AS9002RETN-ASGB
AS8359MTSRU
AS7195EDGEUNO S.A.SCO
AS6939HURRICANE - Hurricane Electric LLCUS
AS3257GTT-BACKBONE GTTUS
AS961ACHIEVE-US - Achieve Wireless IncUS
AS959OHANACAST - OHANACRAFT, LLCUS

MOAS / hijack watch

Prefixes routed by AS21700 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 AS21700 is unique to AS21700 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS21700.

Cypher and MCP

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

MATCH (a:ASN {name: "AS21700"})-[: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.