AS Number
AS53428
AS Name
KCS-US-NEBIUS
Org Name
Nebius Inc.
Registry

arin

RegDate

2024-08-06

Updated

2025-09-25

AS53428 Looking Glass
IPv4Prefixes

4

IPv6Prefixes

1

IPv4 NUMs

2,560

IPv6 NUMs(/64)

1,048,576

2,560 IPv4 Addresses
CIDR Description IP Num
204.12.160.0/24 Nebius Inc. 256
204.12.160.0/22 Nebius Inc. 1024
204.12.166.0/23 Nebius Inc. 512
204.12.168.0/22 Nebius Inc. 1024
CIDR Description IP NUMs(prefix /64)
2607:e840:20::/44 Nebius Inc. 1048576
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,936,000 258,978,086,912 IPv4 IPv4 IPv6 IPv6
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 247,296 77,326,712,832 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 464,128 282,627,370,778,624 IPv4 IPv4
ASNumber:       53428
ASName:         KCS-US-NEBIUS
ASHandle:       AS53428
RegDate:        2024-12-13
Updated:        2024-12-13    
Ref:            https://rdap.arin.net/registry/autnum/53428


OrgName:        Nebius Inc.
OrgId:          NB-374
Address:        10 State street
City:           Newburyport
StateProv:      MA
PostalCode:     01950
Country:        US
RegDate:        2024-08-06
Updated:        2025-09-25
Ref:            https://rdap.arin.net/registry/entity/NB-374


OrgTechHandle: KORSA5-ARIN
OrgTechName:   korsakov, vladimir 
OrgTechPhone:  +31630496070 
OrgTechEmail:  scamp@nebius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KORSA5-ARIN

OrgDNSHandle: LANET36-ARIN
OrgDNSName:   Lanetskiy, Alexey 
OrgDNSPhone:  +1-555-555-5555 
OrgDNSEmail:  xcore@nebius.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/LANET36-ARIN

OrgRoutingHandle: SIMAK-ARIN
OrgRoutingName:   Simakov, Aleksei 
OrgRoutingPhone:  +310617219655 
OrgRoutingEmail:  alex@nebius.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SIMAK-ARIN

OrgTechHandle: TIKHO2-ARIN
OrgTechName:   Tikhonov, Andrei 
OrgTechPhone:  +31 6 49 7881 36 
OrgTechEmail:  antixonov@nebius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TIKHO2-ARIN

OrgDNSHandle: GOROV-ARIN
OrgDNSName:   Gorovoy, Alexey  
OrgDNSPhone:  +31 0970 102 07775 
OrgDNSEmail:  algorovoy@nebius.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/GOROV-ARIN

OrgNOCHandle: SIMAK-ARIN
OrgNOCName:   Simakov, Aleksei 
OrgNOCPhone:  +310617219655 
OrgNOCEmail:  alex@nebius.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SIMAK-ARIN

OrgTechHandle: CROXF3-ARIN
OrgTechName:   Croxford, Keith 
OrgTechPhone:  +3197010207775 
OrgTechEmail:  kcroxford@nebius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CROXF3-ARIN

OrgRoutingHandle: LANET36-ARIN
OrgRoutingName:   Lanetskiy, Alexey 
OrgRoutingPhone:  +1-555-555-5555 
OrgRoutingEmail:  xcore@nebius.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/LANET36-ARIN

OrgTechHandle: LUKAS26-ARIN
OrgTechName:   Lukashkin, Alexander 
OrgTechPhone:  +3197010207775 
OrgTechEmail:  aslukashkin@nebius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LUKAS26-ARIN

OrgAbuseHandle: SIMAK-ARIN
OrgAbuseName:   Simakov, Aleksei 
OrgAbusePhone:  +310617219655 
OrgAbuseEmail:  alex@nebius.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SIMAK-ARIN

OrgDNSHandle: SIMAK-ARIN
OrgDNSName:   Simakov, Aleksei 
OrgDNSPhone:  +310617219655 
OrgDNSEmail:  alex@nebius.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/SIMAK-ARIN

OrgRoutingHandle: GOROV-ARIN
OrgRoutingName:   Gorovoy, Alexey  
OrgRoutingPhone:  +31 0970 102 07775 
OrgRoutingEmail:  algorovoy@nebius.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/GOROV-ARIN

OrgTechHandle: SIMAK-ARIN
OrgTechName:   Simakov, Aleksei 
OrgTechPhone:  +310617219655 
OrgTechEmail:  alex@nebius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SIMAK-ARIN

OrgTechHandle: GOROV-ARIN
OrgTechName:   Gorovoy, Alexey  
OrgTechPhone:  +31 0970 102 07775 
OrgTechEmail:  algorovoy@nebius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GOROV-ARIN

OrgTechHandle: LANET36-ARIN
OrgTechName:   Lanetskiy, Alexey 
OrgTechPhone:  +1-555-555-5555 
OrgTechEmail:  xcore@nebius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LANET36-ARIN