173.205.21.0/24

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

United States

ZENLAYER-GTT-GTT - PacketExchange, Inc

Summary

NetName
ZENLAYER-GTT-GTT
OrgName
PacketExchange, Inc
CIDR

173.205.21.0/24

RIR

ARIN

Country

Status

Reassigned

Abuse

abuse@gtt.net

Contact

netguard@gtt.net

noc@gtt.net

RegDate

2026-04-20

Updated

2026-04-20

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs
AS2516 KDDI - KDDI CORPORATION, JP Japan 18074112 2761664036864
AS2734 CORESITE, US United States 49920 7248347136
AS3399 OBE-NET - Obenet AB, SE Sweden 25344 38654771200
AS4230 CLARO S.A., BR Brazil 5155584 21475098624
AS5394 Unidata - UNIDATA S.p.A., IT Italy 91904 4294967296
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 2560 268501000
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 507136 55834574848
AS9009 M247 - M247 Europe SRL, RO Romania 1577984 257768358144
AS9050 RTD - Orange Romania S.A., RO Romania 1488128 4294967296
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570368 107374182400
AS14016 CAPCON-NETWORK-LLC - Capcon Networks, US United States 2048 262144
AS16552 DIGICERT - Tiggee LLC, US United States 21248 34363801600
AS20055 AS-WHOLESAIL - Wholesail networks LLC, US United States 949248 1108101758976
AS22652 FIBRENOIRE-INTERNET - Videotron Ltee, CA Canada 188672 8592162816
AS23352 SERVERCENTRAL - DEFT.COM, US United States 192000 4563599360
AS24940 HETZNER-AS - Hetzner Online GmbH, DE Germany 3174400 77309476864
AS25091 IP-Max - IP-Max SA, CH Switzerland 14848 68719607808
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
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 370176 38654705664
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13312 2228224
AS35625 EUROFIBER-FRANCE - Eurofiber France SAS, FR France 31488 103095992320
AS37271 Workonline - Workonline Communications(Pty) Ltd, ZA South Africa 9216 4294967296
AS49709 VIDEOBYTE - Videobyte S.r.l., IT Italy 2048 4294967296
AS53828 NITEL - NETWORK INNOVATIONS, LLC, US United States 131840 4294967296
AS58453 CMI-INT-HK - China Mobile International Limited, HK Hong Kong 198912 4294967296
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22528 8589934592
AS61573 IP TELECOM, BR Brazil 1024 4294967296
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 123392 77422788610
AS398465 RACKDOG-LLC - Rackdog, LLC, US United States 196608 176362094592
AS400282 UPX - UPX US LLC, US United States 256 4294967296

Whois

NetRange:       173.205.0.0 - 173.205.127.255
CIDR:           173.205.0.0/17
NetName:        NETBLK-PACKETEXCHANGE-V4-09
NetHandle:      NET-173-205-0-0-1
Parent:         NET173 (NET-173-0-0-0-0)
NetType:        Direct Allocation
OriginAS:
Organization:   PacketExchange, Inc (PACKE-25)
RegDate:        2009-10-15
Updated:        2012-02-24
Ref:            https://rdap.arin.net/registry/ip/173.205.0.0

OrgName:        PacketExchange, Inc
OrgId:          PACKE-25
Address:        GTT Communications, Inc.
Address:        8484 Westpark Drive
Address:        Suite 720
City:           McLean
StateProv:      VA
PostalCode:     22102
Country:        US
RegDate:        2008-02-26
Updated:        2025-04-17
Ref:            https://rdap.arin.net/registry/entity/PACKE-25

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

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

OrgTechHandle: GNOC16-ARIN
OrgTechName:   GTT Network Operations Center
OrgTechPhone:  +1-703-442-5500
OrgTechEmail:  noc@gtt.net
OrgTechRef:    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


NetRange:       173.205.21.0 - 173.205.21.255
CIDR:           173.205.21.0/24
NetName:        ZENLAYER-GTT-GTT
NetHandle:      NET-173-205-21-0-1
Parent:         NETBLK-PACKETEXCHANGE-V4-09 (NET-173-205-0-0-1)
NetType:        Reassigned
OriginAS:
Customer:       Zenlayer-GTT (C11573662)
RegDate:        2026-04-20
Updated:        2026-04-20
Ref:            https://rdap.arin.net/registry/ip/173.205.21.0

CustName:       Zenlayer-GTT
Address:        Gutleutstrasse 310
City:           Frankfurt
StateProv:      DE
PostalCode:     60327
Country:        DE
RegDate:        2026-04-20
Updated:        2026-04-20
Ref:            https://rdap.arin.net/registry/entity/C11573662

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

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

OrgTechHandle: GNOC16-ARIN
OrgTechName:   GTT Network Operations Center
OrgTechPhone:  +1-703-442-5500
OrgTechEmail:  noc@gtt.net
OrgTechRef:    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

Graph

CIDR

173.205.21.0/24