Autonomous System
AS3356 — LEVEL3 - Level 3 Parent, LLC(US)
Last fetched
AS3356 is an Autonomous System operated by LEVEL3 - Level 3 Parent, LLC and registered in US. As of Tue, 21 Jul 2026 12:50:11 GMT, it announces 2,206 routed IP prefixes and peers with 4,402 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS3356 announces 2,206 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 4.7.16.0/23
- 4.7.138.0/23
- 4.14.26.0/23
- 4.14.114.0/23
- 4.14.120.0/23
- 4.14.130.0/23
- 4.14.244.0/23
- 4.14.248.0/23
- 4.15.44.0/23
- 4.16.46.0/23
- 4.16.116.0/23
- 4.16.168.0/23
- 4.16.238.0/23
- 4.31.14.0/23
- 4.55.33.0/24
- 4.55.44.0/24
- 4.55.52.0/24
- 4.55.64.0/24
- 4.55.80.0/24
- 4.55.0.0/16
- 4.59.250.0/23
- 4.59.252.0/23
- 4.0.0.0/9
- 4.79.1.0/24
- 5.252.72.0/24
Peering ecosystem
4,402 distinct peers via BGP. The first 200 (alphabetical) are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS1000 | PISL-24-1000 - CORIX NETWORKS | US |
| AS1008 | GANJINGWORLD - GANJINGWORLD CORPORATION | US |
| AS101 | WASH-NSF-AS - University of Washington | US |
| AS10209 | — | JP |
| AS10273 | FPL - Florida Power & Light Company | US |
| AS10297 | ENET-2 - eNET Inc. | US |
| AS10298 | AS10298 - CACI Inc., Federal | US |
| AS10299 | — | CO |
| AS10310 | YAHOO-1 - Yahoo Holdings Inc. | US |
| AS10325 | INGRAMMICRO - Ingram Micro Inc. | US |
| AS10360 | AARP - AARP | US |
| AS10361 | BLOOMBERG-NET - Bloomberg, LP | US |
| AS10372 | WELLSFARGO-10372-10376 - Wells Fargo Bank, N.A. | US |
| AS10379 | DELUXE - Deluxe Corporation | US |
| AS10381 | SWCP-AS - Southwest Cyberport, Inc. | US |
| AS10396 | COQUI-NET - DATACOM CARIBE, INC. | PR |
| AS10397 | MOMENTUM - Momentum Telecom, Inc. | US |
| AS104 | COLORADO-AS - University of Colorado at Boulder | US |
| AS10411 | ESRI - Environmental Systems Research Institute | US |
| AS10440 | MERKLE-INC - Merkle Inc. | US |
| AS10441 | JEG-1 - Jacobs Engineering Group Inc. | US |
| AS10455 | LUCENT-CIO - Nokia of America Corporation | US |
| AS10564 | TCSI - ROCKET SOFTWARE INC | US |
| AS1057 | FALCON-WIRELESS - Falcon Wireless, LLC | US |
| AS10580 | ARRIS-TECHNOLOGY-SD-NOC - ARRIS Technology, Inc. | US |
| AS10583 | CHIME - Connecticut Hospital Assoc. | US |
| AS10594 | CEC - Cutting Edge Communications, Inc. | US |
| AS10599 | MCKESSON - McKesson Corp. | US |
| AS106 | GDAIS-ASN-106 - General Dynamics Mission Systems, Inc. | US |
| AS10615 | PAINEWEBBER-ASN - UBS AG | US |
| AS10632 | PSE-AS - Puget Sound Energy | US |
| AS10660 | SYSNET-AS - SYSNET Communications | US |
| AS10662 | NORFOLK-SOUTHERN - Norfolk Southern Corporation | US |
| AS10676 | GLOBALEC - IBM | US |
| AS10690 | NETSCOUT - NETSCOUT SYSTEMS INC. | US |
| AS10694 | MONST-2AS - Monster Worldwide, Inc. | US |
| AS10717 | SCHOLASTIC - Scholastic Inc. | US |
| AS10718 | CNO-FINANCIAL-GROUP - CNO Financial Group, Inc. | US |
| AS10733 | — | BR |
| AS10753 | LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC | US |
| AS10754 | GOV-FRB-BOG - Federal Reserve Board | US |
| AS1077 | ACTIVEPURE-TECH-01 - ActivePure Technologies, LLC | US |
| AS10780 | PURE-STORAGE - Pure Storage, INC. | US |
| AS10788 | CDW - CDW LLC | US |
| AS10794 | BANKAMERICA - Bank of America, National Association | US |
| AS10796 | TWC-10796-MIDWEST - Charter Communications Inc | US |
| AS1080 | WPCCU-ASN-01 - Water and Power Community Credit Union | US |
| AS10801 | REGIONS-ASN-1 - REGIONS FINANCIAL CORPORATION | US |
| AS10806 | AFP-NET - AGENCE FRANCE PRESSE | US |
| AS1082 | HBH-ASN-1 - Zenith American Solutions, Inc. | US |
| AS10823 | NETCARRIER - NetCarrier, Inc. | US |
| AS10835 | VISIONARY - Visionary Communications LLC | US |
| AS10846 | DEERE - Deere & Company | US |
| AS10857 | JCPENNEY-AS - JCPenney | US |
| AS10858 | HYPER-BNG-ASN - Hypertherm Inc. | US |
| AS10879 | UHC - Unitedhealthcare | US |
| AS1088 | FASTBRIDGE-FIBER-RDNG-PA-01 - FastBridge Fiber | US |
| AS10899 | CARIS LIFE SCIENCES - Caris Life Sciences | US |
| AS109 | CISCOSYSTEMS - CISCO SYSTEMS, INC. | US |
| AS10919 | TROYFP - Troy Corporation | US |
| AS10942 | PECHANGA-FIBER-AS - Pechanga Band of Indians | US |
| AS10944 | ABAG-10944 - Association of Bay Area Governments | US |
| AS10949 | SMART-CITY-HICC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | US |
| AS10953 | CEG - CONSTELLATION ENERGY GENERATION, LLC | US |
| AS10954 | — | BR |
| AS10968 | CARGILL-NET - Cargill Incorporated | US |
| AS10979 | ICWGROUP - INSURANCE COMPANY OF THE WEST | US |
| AS10982 | TIVO-SJ - TiVo, Inc. | US |
| AS10995 | PNCBANK - PNC Bank N.A. | US |
| AS11013 | BLUE-AS - WideOpenWest Finance LLC | US |
| AS11017 | CPN - CSN Support Services | US |
| AS11036 | AVISPL - Signal Perfection, Ltd., Inc. | US |
| AS11046 | LITTLE-APPLE - Little Apple Technologies | US |
| AS11049 | DYN - Oracle Corporation | US |
| AS11052 | IHC-NET - Intermountain Health Care, Inc. | US |
| AS11067 | PTSINET - Panhandle Telecommunications Systems, INC. | US |
| AS11101 | PRISMA HEALTH - Prisma Health | US |
| AS11102 | VYANET-OPERATING-GROUP-INC - VYANET | US |
| AS11120 | ISYS-LLC - WidePoint Integrated Solutions Corp. | US |
| AS11124 | FRIEDKIN - Friedkin Companies, Inc. | US |
| AS11133 | SORENSON-99 - Sorenson Communications, Inc. | US |
| AS11134 | WEBFIRE-MILTEL - WebFire Internet Services | US |
| AS11178 | RS-ACCESSPLUS - AccessPlus | US |
| AS11179 | ARYAKA-ARIN - Aryaka Networks, Inc. | US |
| AS11184 | EG-USEAST - EXPEDIA, INC | US |
| AS11199 | SHOWNETSAS - showNets LLC | US |
| AS11200 | REGISU - Regis University | US |
| AS11203 | MATRIX-BROADBAND - Matrix Broadband | US |
| AS11207 | BOSTON-GLOBE-NETWORK-01 - Boston Globe Media Partners, LLC | US |
| AS11208 | HCPL-AS - HALL CAPITAL PARTNERS, LLC | US |
| AS11222 | PRL - Ralph Lauren Corporation | US |
| AS11223 | — | — |
| AS11231 | GETTYSBURG-DOM - GETTYSBURG COLLEGE | US |
| AS11250 | TRI-STATE-G-AND-T - Tri-State Generation and Transmission Association Inc. | US |
| AS11251 | DSTL-2-11251 - Disney Streaming Services | US |
| AS11272 | TELEPAK-NETWORKS-INC - C Spire Fiber | US |
| AS11278 | NINTENDO - Nintendo Of America inc. | US |
| AS11283 | COSTCO - Costco, Inc. | US |
| AS11293 | UCOP-ASN - University of California - Office of the President | US |
| AS11302 | BSTAR - Brightstar Global Solutions Corporation | US |
| AS11320 | LIGHTEDGE-AS-02 - LightEdge Solutions | US |
| AS11360 | ELECFORIMAG - Electronics for Imaging, Inc. | US |
| AS11375 | AS-MCAD - Minneapolis College of Art and Design | US |
| AS11377 | SENDGRID - SendGrid, Inc. | US |
| AS11389 | HERITAGE-GALLERIES-AND-AUCTIONEERS - Heritage Capital Corporation | US |
| AS11392 | — | AR |
| AS11396 | TWC-ASN - Williams Information Technology LLC | US |
| AS11402 | CCCAS-1 - Charlotte Colocation Center, LLc | US |
| AS11403 | NYINTERNET - NYI | US |
| AS11404 | AS-WAVE-1 - Wave Broadband | US |
| AS11406 | CIGNA-1 - CIGNA | US |
| AS11409 | EFXSECURE - Equifax, Inc. | US |
| AS11414 | NVIDIA-NET - Nvidia Corporation | US |
| AS11452 | MOUNT-SINAI - Mount Sinai School of Medicine | US |
| AS11453 | AVOTUS-CORPORATION - Avotus Corporation | CA |
| AS11492 | CABLEONE - CABLE ONE, INC. | US |
| AS11517 | BLUE-CROSS-AND-BLUE-SHIELD-OF-MINNESOTA - Blue Cross & Blue Shield of Minnesota | US |
| AS11523 | AS-HLEEM - H. Lee Moffitt Cancer Center & Research Institute, Inc. | US |
| AS11540 | RTI - Research Triangle Institute | US |
| AS11544 | RBC1-ASN6 - Royal Bank of Canada | CA |
| AS11579 | LANLINE - LANline Communications Inc | US |
| AS11584 | NYCHHC - New York City Health & Hospitals Corporation | US |
| AS11590 | CUMBERLAND-TECH - Cumberland Technologies International | US |
| AS11596 | BESTBUY - Best Buy Co., Inc. | US |
| AS11603 | WATERMARK - Watermark Estate Management Services, LLC | US |
| AS11633 | 4LIFE-HOLDINGS-LLC - 4Life Research USA, LLC | US |
| AS11651 | AS-TKCHOLDINGS-LLC - Centric Group, LLC | US |
| AS11668 | WCI-NET - WEST COAST INTERNET INCORPORATED | US |
| AS11679 | STIHL-204-124-67 - Stihl Inc. | US |
| AS11685 | HNBCOL-AS - Huntington National Bank | US |
| AS11688 | LTSTREAM - Lightstream Communications, Inc. | US |
| AS11696 | NBS11696 - Fusion, LLC | US |
| AS11719 | EATON-CORPORATION - Eaton Corporation | US |
| AS11724 | OCCAS - Comptroller of the Currency | US |
| AS11734 | CONNECTRIA-ASN-1 - Connectria | US |
| AS11740 | PROGRESSIVE-AS - Progressive Casualty Insurance Company | US |
| AS11746 | WAGGENER-EDSTROM - Waggener Edstrom Worldwide, Inc. | US |
| AS11747 | MK-SYSTEMSUSA-INC-01 - MK Systems USA Inc. | US |
| AS11753 | ELEVATED1 - Elevated MSP, LLC | US |
| AS11791 | SLC-IDENT-AS - IdenTrust | US |
| AS11793 | ATI-LAS-ASN1 - Aristocrat Technologies, Inc. | US |
| AS11809 | NET-ERAU-PRC - Embry-Riddle University | US |
| AS11815 | — | AR |
| AS11819 | NF-SMITH-ASSOCIATES - Smith & Associates | US |
| AS11825 | AS-BLUEFIBER - BLUEFIBER.COM, INC. | US |
| AS11829 | CADENCE - Cadence Design Systems, Inc. | US |
| AS11830 | — | CR |
| AS11840 | VGRS-REGISTRY-AS - VeriSign Infrastructure & Operations | US |
| AS11842 | REGAL-ENTERTAINMENT-AS - Regal Entertainment Group | US |
| AS11857 | AEGONUSA - Money Services, Inc. | US |
| AS11862 | GSIC-NV - Radial, Inc. | US |
| AS11865 | EPE-ASN-BGP-1 - El Paso Electric | US |
| AS11866 | EL-MALVERN-PA - Ellucian Company LP | US |
| AS11870 | ALTICOR-INC - ALTICOR INC | US |
| AS11872 | SYRACUSE-UNIVERSITY - Syracuse University | US |
| AS11901 | COSWAN - County of Sacramento | US |
| AS11911 | THE-BANK-OF-NEW-YORK-MELLON-CORPORATION-AS11911 - The Bank of New York Mellon Corporation | US |
| AS11939 | MATHWORKS - THE MATHWORKS, INC. | US |
| AS11962 | EMPIRE5882300 - Empire Today LLC | US |
| AS11966 | GLOBALDATASYSTEMS-ASN - GLOBAL DATA SYSTEMS INC. | US |
| AS11975 | WM - The College of William and Mary | US |
| AS11979 | BLUENET - Bluegrass Network LLC | US |
| AS11985 | ASN-SSA - Social Security Administration | US |
| AS11988 | CEVA-US-MV - CEVA INC. | US |
| AS11993 | — | BR |
| AS12 | NYU-DOMAIN - New York University | US |
| AS12025 | IMDC-AS12025 - Iron Mountain Data Center | US |
| AS12031 | LORD-CORP-CARY - Lord Corporation | US |
| AS1204 | SUNYNET-ASN-AS - The State University of New York | US |
| AS12050 | DIRECTV-BROADBAND - DIRECTV, LLC | US |
| AS12053 | TRUMARK-FINANCIAL - TruMark Financial Credit Union | US |
| AS12079 | CELLCO-PART - Verizon Business | US |
| AS12119 | I3BROADBAND - ITV-3 | US |
| AS12122 | STJHS - St. Joseph Health System | US |
| AS12129 | 123NET - 123.Net, Inc. | US |
| AS12142 | SULLIVAN-CROMWELL - SULLCROM | US |
| AS12147 | DFS-RWD - Discover Financial Services | US |
| AS12150 | — | AR |
| AS12154 | INFOUSA - DATA AXLE, INC | US |
| AS12158 | ILLUMINA - ILLUMINA, INC. | US |
| AS12169 | AS12169 - Kyndryl | US |
| AS12174 | AD-MEDIA-01 - Ad.com Interactive Media, Inc. | US |
| AS12189 | AS12189 - PhoenixNAP LLC | US |
| AS1219 | NCUBE-OREGON-AS - Oracle Corporation | US |
| AS122 | UPMC-AS122 - UPMC | US |
| AS12200 | RACKSPACE - Rackspace Hosting | US |
| AS12201 | SCC-LAKELAND - Saddle Creek Corporation | US |
| AS1221 | — | AU |
| AS12213 | CNSQ-AS12213 - Centersquare | US |
| AS12222 | AKAMAI - Akamai Technologies, Inc. | US |
| AS12223 | AS-EQUIVOICE-COM - MNJ Technology Services LLC | US |
| AS12229 | SAS-WHQ - SAS Institute, Inc. | US |
| AS12257 | EMC-AS12257 - Dell, Inc. | US |
| AS1226 | CTA-42-AS1226 - California Department of Technology | US |
| AS12322 | — | FR |
| AS12400 | — | IL |
| AS12440 | — | DE |
| AS12479 | — | ES |
| AS125 | HI-NET-AS - Honeywell International, Inc. | US |
| AS12516 | — | FR |
Blast radius
Count of dependent hostnames if AS3356 disappeared from the routing table.
≥60,724 hostnames depend on this network.Verified lower bound — counted across 10 of 2,227 announced prefixes. The true total is at least this many. Snapshot Fri, 22 May 2026 11:23:29 GMT.
MOAS / hijack watch
Prefixes routed by AS3356 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 AS3356 is unique to AS3356 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS3356.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS3356"})-[: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.