66.17.143.0/24

AS3257 - GTT-BACKBONE - GTT Communications Inc., US

United States

GTT-CUSTOMER - GTT Americas, LLC

Summary

NetName
GTT-CUSTOMER
OrgName
GTT Americas, LLC
CIDR

66.17.143.0/24

RIR

ARIN

Country

Status

Reallocated

Abuse

abuse@gtt.net

Contact

alexander.mutafchiyski@gtt.net

netguard@gtt.net

RegDate

2026-04-03

Updated

2026-04-03

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35916800 217099599873
AS852 ASN852 - TELUS Communications Inc., CA Canada 4820992 12907118592
AS1273 CW - Vodafone Group PLC, GB United Kingdom 1812736 8796093022208
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 424960 77327237120
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84736 240518430720
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3910144 17716871168
AS2516 KDDI - KDDI CORPORATION, JP Japan 18068224 2761664036864
AS2734 CORESITE, US United States 49408 7248347136
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 6345216 30065098752
AS3303 SWISSCOM - Swisscom (Schweiz) AG, CH Switzerland 3520512 204347408384
AS3320 DTAG - Deutsche Telekom AG, DE Germany 34190848 35343322906624
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28946688 81627119616
AS3491 PCCWG-APAC-HK - PCCW Global (HK) Limited, HK Hong Kong 1362432 13421838336
AS4230 CLARO S.A., BR Brazil 5155584 21475164160
AS4637 ASN-TELSTRA-GLOBAL - Telstra International Limited, HK Hong Kong 1146880 21474836480
AS5394 Unidata - UNIDATA S.p.A., IT Italy 90112 4294967296
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 3072 34359738368
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1760256 52076871693
AS6830 LibertyGlobal - Liberty Global Europe Holding B.V., NL Netherlands 1121024 103079215104
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 92882688 2426673954816
AS7474 OPTUSCOM-AS01-AU - SingTel Optus Pty Ltd, AU Australia 532224 4295098368
AS14016 CAPCON-NETWORK-LLC - Capcon Networks, US United States 2048 262144
AS16552 DIGICERT - Tiggee LLC, US United States 21248 34363801600
AS17676 ULTINA - SoftBank Mobile Corp., JP Japan 38113536 18695992639488
AS20055 AS-WHOLESAIL - Wholesail networks LLC, US United States 916224 1108101758976
AS20912 ASN-PANSERVICE - Giuliano Claudio Peritore trading as "Panservice s.a.s. di Cuseo Fabrizio & C.", IT Italy 18432 4294967296
AS21700 NEPTUNE-NETWORKS - Neptune Networks, LLC, US United States 3072 4429185024
AS22652 FIBRENOIRE-INTERNET - Videotron Ltee, CA Canada 188672 8592162816
AS23352 SERVERCENTRAL - DEFT.COM, US United States 189952 4563533824
AS28398 INTERNET TELEFONIA Y TV DE MICHOACAN SA DE CV, MX Mexico 5120 8589934592
AS29680 VOZTELECOM - Gamma Operadora de Comunicaciones S.A., ES Spain 12544 4294967296
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13056 2162688
AS33185 HIVE-DATA-CENTER - Hive Data Center Inc., CA Canada 5376 268566528
AS40994 Alwyzon - Hohl IT e.U., AT Austria 5632 4294967296
AS49709 VIDEOBYTE - Videobyte S.r.l., IT Italy 2048 4294967296
AS53828 NITEL - NETWORK INNOVATIONS, LLC, US United States 132096 4294967296
AS61573 IP TELECOM, BR Brazil 1024 4294967296
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 127232 113836032
AS398465 RACKDOG-LLC - Rackdog, LLC, US United States 195840 180657061888

Whois

NetRange:       66.17.128.0 - 66.17.255.255
CIDR:           66.17.128.0/17
NetName:        RGS-BLK6
NetHandle:      NET-66-17-128-0-1
Parent:         NET66 (NET-66-0-0-0-0)
NetType:        Direct Allocation
OriginAS:
Organization:   GTT Americas, LLC (GAL-104)
RegDate:        2002-11-18
Updated:        2025-05-07
Ref:            https://rdap.arin.net/registry/ip/66.17.128.0

OrgName:        GTT Americas, LLC
OrgId:          GAL-104
Address:        4201 Wilson Blvd -Suite 504
City:           Arlington
StateProv:      VA
PostalCode:     22203
Country:        US
RegDate:        2025-02-11
Updated:        2025-07-08
Ref:            https://rdap.arin.net/registry/entity/GAL-104

OrgTechHandle: GLD5-ARIN
OrgTechName:   GTT Legal Departement
OrgTechPhone:  +359886606
OrgTechEmail:  alexander.mutafchiyski@gtt.net
OrgTechRef:    https://rdap.arin.net/registry/entity/GLD5-ARIN

OrgNOCHandle: GNOC16-ARIN
OrgNOCName:   GTT Network Operations Center
OrgNOCPhone:  +1-703-442-5500
OrgNOCEmail:  noc@gtt.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/GNOC16-ARIN

OrgTechHandle: AS3251-ARIN
OrgTechName:   AS3257 Netguard
OrgTechPhone:  +49 69 48007422
OrgTechEmail:  netguard@gtt.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AS3251-ARIN

OrgTechHandle: GIT5-ARIN
OrgTechName:   GTT IPAM Team
OrgTechPhone:  +1-703-442-5500
OrgTechEmail:  netguard@gtt.net
OrgTechRef:    https://rdap.arin.net/registry/entity/GIT5-ARIN

OrgAbuseHandle: GAD46-ARIN
OrgAbuseName:   GTT Abuse Department
OrgAbusePhone:  +1-703-442-5500
OrgAbuseEmail:  abuse@gtt.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GAD46-ARIN


NetRange:       66.17.143.0 - 66.17.143.255
CIDR:           66.17.143.0/24
NetName:        GTT-CUSTOMER
NetHandle:      NET-66-17-143-0-1
Parent:         RGS-BLK6 (NET-66-17-128-0-1)
NetType:        Reallocated
OriginAS:
Organization:   IPNetZone (IPNET-1)
RegDate:        2026-04-03
Updated:        2026-04-03
Ref:            https://rdap.arin.net/registry/ip/66.17.143.0

IPNetZone (IPNET-1)

OrgNOCHandle: GNOC16-ARIN
OrgNOCName:   GTT Network Operations Center
OrgNOCPhone:  +1-703-442-5500
OrgNOCEmail:  noc@gtt.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/GNOC16-ARIN

OrgTechHandle: GIT5-ARIN
OrgTechName:   GTT IPAM Team
OrgTechPhone:  +1-703-442-5500
OrgTechEmail:  netguard@gtt.net
OrgTechRef:    https://rdap.arin.net/registry/entity/GIT5-ARIN

OrgNOCHandle: NOC11073-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-646-254-6800
OrgNOCEmail:  netops@ipnetzone.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC11073-ARIN

OrgTechHandle: AS3251-ARIN
OrgTechName:   AS3257 Netguard
OrgTechPhone:  +49 69 48007422
OrgTechEmail:  netguard@gtt.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AS3251-ARIN

OrgAbuseHandle: ABUSE2254-ARIN
OrgAbuseName:   Abuse Handle
OrgAbusePhone:  +1-646-254-6800
OrgAbuseEmail:  ipabuse@unsi.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2254-ARIN

OrgAbuseHandle: GAD46-ARIN
OrgAbuseName:   GTT Abuse Department
OrgAbusePhone:  +1-703-442-5500
OrgAbuseEmail:  abuse@gtt.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GAD46-ARIN

Graph

CIDR

66.17.143.0/24