AS2734 CoreSite
IPv4 addresses
49,152
IPv6 /48 networks
110,601
RPKI
86 valid0 no ROA
Peers and downstreams
51
Holder
- AS name
- CORESITE
- Description
- Coresite IP Network
- Organisation
- CoreSite
- Abuse contact
- Not published
- Assigned
- 2009-08-31
- Registered
- 2009-09-01
- Record last changed
- 2012-03-02 13:03 UTC
142.255.192.0/18162.216.127.0/24163.52.34.0/24173.45.170.0/24173.45.174.0/24173.45.175.0/24192.150.41.0/24192.34.20.0/23192.34.22.0/23199.119.180.0/22199.197.10.0/23204.9.200.0/22204.9.204.0/24204.9.206.0/24204.9.207.0/24206.223.143.0/24208.64.248.0/24208.64.251.0/24208.64.252.0/23208.64.254.0/23208.74.72.0/22208.74.76.0/23208.74.78.0/23208.77.102.0/23208.77.96.0/23208.78.157.0/24208.84.144.0/2166.128.144.0/2366.128.146.0/2466.128.147.0/2466.128.148.0/2266.128.152.0/2366.128.154.0/2466.128.155.0/2466.128.156.0/2266.35.64.0/2366.35.66.0/2466.35.67.0/2466.35.68.0/2266.35.72.0/2166.35.80.0/2466.35.83.0/2466.35.84.0/2366.35.86.0/2466.35.87.0/2466.35.88.0/2167.212.144.0/2367.212.146.0/2367.212.148.0/2367.212.150.0/2467.212.151.0/2467.212.152.0/2467.212.153.0/2467.212.154.0/2467.212.155.0/2467.212.156.0/2367.212.158.0/2398.158.144.0/2298.158.144.0/2398.158.148.0/2498.158.150.0/2398.158.152.0/2298.158.156.0/2498.158.157.0/2498.158.158.0/23
2604:3fc0:2000::/362604:3fc0:3000::/362605:6c00::/482605:6c00:1::/482605:6c00:1000::/362605:6c00:2::/482605:6c00:2000::/362605:6c00:3::/482605:6c00:3000::/362605:6c00:4::/482605:6c00:4000::/362605:6c00:5::/482605:6c00:5000::/362605:6c00:6::/482605:6c00:6000::/362605:6c00:7::/482605:6c00:7000::/362605:6c00:8::/482605:6c00:8000::/362605:6c00:a000::/362607:2f80::/32
| AS4310 | Seminole State College of Florida SCC-FL-EDU |
| AS4898 | Opentable, Inc. OPENTABLE-AS |
| AS5651 | GMLL CAPITAL MANAGEMENT LLC GMLL-AS |
| AS10255 | Sinister and Solitary SINISTER |
| AS11333 | CyberTrails CYBERTRAILS |
| AS20304 | Lepton Global Solutions, LLC. LEPTON-GLOABL-SOLUTIONS-2012 |
| AS22330 | Catalina Marketing Corporation CATALINAMKT |
| AS22437 | CoreSite CORESITE-SPARE |
| AS26551 | Sargent & Lundy Engineers SARGENT-AND-LUNDY |
| AS29906 | Westat, Inc. WESTAT-AS1 |
| AS30149 | The Goldman Sachs Group, Inc. GS-FFN |
| AS54525 | APPLIED GLOBAL TECHNOLOGIES, LLC AGT01 |
| AS393371 | Microbilt Corporation MB1640-1 |
| AS393827 | BJS WHOLESALE CLUB BJWC |
| AS396300 | CoreSite CORESITE-RETIRED |
| AS397822 | California Resources Corporation CRC-ASN |
| AS398079 | Eminent, Inc EMINENT |
| AS400986 | Adsystech, Inc. ADSYSTECH-AS-01 |
| AS401174 | State of California, Department of Technology CA-CDT-MMBI-01 |
| AS286 | Kpn KPN |
| AS1828 | Unitas Global UNITAS |
| AS3303 | Swisscom (Schweiz) AG SWISSCOM |
| AS4230 | CLARO S.A. AS4230 |
| AS6057 | Administracion Nacional de Telecomunicaciones AS6057 |
| AS7195 | EDGEUNO S.A.S AS7195 |
| AS9002 | RETN Limited RETN-AS |
| AS10111 | Zeofast Network ZEONET-AS-AP |
| AS13030 | Init7 (Switzerland) Ltd. INIT7 |
| AS13786 | Seabras 1 USA, LLC SEABORN |
| AS17639 | Converge ICT Solutions Inc. CONVERGE-AS |
| AS19151 | BroadbandONE, LLC BBO-1 |
| AS20080 | Florida International University AMPATH |
| AS20326 | TeraSwitch Networks Inc. TERASWITCH |
| AS21700 | Neptune Networks, LLC NEPTUNE-NETWORKS |
| AS24482 | SG.GS SGGS-AS-AP |
| AS25091 | IP-Max SA IP-Max |
| AS27552 | TowardEX Technologies International, Inc. TWDX |
| AS35280 | F5 Networks SARL F5 |
| AS36236 | NetActuate, Inc NETACTUATE |
| AS37468 | Angola Cables |
| AS41327 | Fiber Telecom S.p.A. FIBERTELECOM-AS |
| AS45489 | Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL |
| AS49544 | i3D.net B.V i3Dnet |
| AS51185 | MainStreaming SpA MAINSTREAMING-AS |
| AS52320 | GlobeNet Cabos Submarinos Colombia, S.A.S. AS52320 |
| AS61573 | IP TELECOM AS61573 |
| AS64126 | DOMINICAN TELECOM PRIME, DTP, S.R.L. AS64126 |
| AS199524 | G-Core Labs S.A. GCORE |
| AS264409 | Huge Solucoes Corporativas Ltda AS264409 |
| AS271253 | LINK BRASIL TELECOMUNICACOES LTDA AS271253 |
| AS394414 | E2W Solutions LLC AS394414 |
Routing changes
Last 30 days| 2026-10-04 07:46 UTC | Neighbour gone | AS62966 | downstream |
| 2026-10-04 07:46 UTC | Neighbour gone | AS19588 | downstream |
| 2026-10-04 07:46 UTC | Neighbour gone | AS18106 | peer |
| 2026-10-04 07:46 UTC | Neighbour gone | AS7575 | upstream |
| 2026-10-04 07:46 UTC | New neighbour | AS5651 | downstream |
| 2026-10-04 07:46 UTC | New neighbour | AS22330 | downstream |
| 2026-10-04 07:46 UTC | Relationship changed | AS9002 | upstream to peer |
| 2026-10-04 07:46 UTC | Relationship changed | AS7195 | upstream to peer |
| 2026-10-04 07:46 UTC | Relationship changed | AS64126 | upstream to peer |
| 2026-10-04 07:46 UTC | Relationship changed | AS6057 | upstream to peer |
| 2026-10-04 07:46 UTC | Relationship changed | AS4230 | upstream to peer |
| 2026-10-04 07:46 UTC | Relationship changed | AS37468 | upstream to peer |
| 2026-10-04 07:46 UTC | Relationship changed | AS3303 | upstream to peer |
| 2026-10-04 07:46 UTC | Relationship changed | AS286 | upstream to peer |
| 2026-10-04 07:46 UTC | Relationship changed | AS27552 | upstream to peer |
| 2026-10-04 07:46 UTC | Relationship changed | AS264409 | upstream to peer |
| 2026-10-04 07:46 UTC | Relationship changed | AS25091 | upstream to peer |
| 2026-10-04 07:46 UTC | New neighbour | AS20326 | peer |
| 2026-10-04 07:46 UTC | Relationship changed | AS13030 | upstream to peer |
| 2026-10-04 07:46 UTC | Relationship changed | AS10111 | upstream to peer |
| 2026-10-04 07:46 UTC | New prefix | 163.52.34.0/24 |
WHOIS
aut-num: AS2734 as-name: CORESITE handle: AS2734 registrant: COWIL (CoreSite) last changed: 2012-03-02T08:03:18-05:00 registration: 2009-09-01T14:21:39-04:00 source: ARIN (RDAP)