Autonomous System
AS21738 — ROZINT - Rozint(US)
Last fetched
AS21738 is an Autonomous System operated by ROZINT - Rozint and registered in US. As of Thu, 21 May 2026 06:24:47 GMT, it announces 13 routed IP prefixes and peers with 30 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS21738 announces 13 distinct routed prefixes. The 13-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
30 distinct peers via BGP. The first 30 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS1299 | TWELVE99 Arelion, fka Telia Carrier | SE |
| AS402247 | — | US |
| AS401710 | AS-CLOUDMESHLABS - CloudMesh Labs LLC | US |
| AS400451 | CMTC - Curium Technologies | US |
| AS399542 | FGS-NETWORK - Flying Goose Systems | CA |
| AS270142 | Castor Networks Mexico | MX |
| AS216242 | JUTLEY-AS | US |
| AS216052 | CDUBS-NET | US |
| AS214430 | XRONOS | JP |
| AS213880 | JORGE-JANAITE-NETO | BR |
| AS212895 | ROUTE64_ORG | DE |
| AS210250 | WPX | BG |
| AS207852 | Y525-NETWORK | MY |
| AS202340 | SANOJ-KUMAR | IN |
| AS200690 | YOURSUNNY-AS | US |
| AS200242 | DE-THEIRS open-source & non-profit modern transitcontent network | DE |
| AS200160 | PONGERY | ID |
| AS151349 | YUKI-NET-AS-AP Yuki Network Ltd | KR |
| AS58057 | SECUREBIT Securebit Autonomous System | CH |
| AS54852 | F4-NETWORKS - F4 Networks | US |
| AS54148 | DYNAMIC-QUANTUM-NETWORKS - Dynamic Quantum Networks | CA |
| AS53388 | TEFEXIA - Tefexia LC | US |
| AS52025 | PARADOXNETWORKS-LIMITED | GB |
| AS32097 | WII - WholeSale Internet, Inc. | US |
| AS30690 | KAZEHANA-NETWORKS - Kazehana Networks LLC | US |
| AS30114 | DECIMA-LLC - Decima LLC | US |
| AS26006 | EXODO - Exodo LLC | US |
| AS23459 | APPLEBEE-NETWORKS - applebee | US |
| AS14923 | AS-GTS-OK-01 - Graham Technology Solutions LLC | US |
| AS6939 | HURRICANE - Hurricane Electric LLC | US |
Blast radius
Approximate count of dependent hostnames if AS21738 disappeared from the routing table.
~156 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 06:24:47 GMT.
MOAS / hijack watch
Prefixes routed by AS21738 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 AS21738 is unique to AS21738 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS21738.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS21738"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.