AS53428 - KCS-US-NEBIUS - Nebius Inc., US

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

arin

RegDate

2024-08-06

Updated

2026-06-24

AS53428 Looking Glass
IPv4Prefixes

9

IPv6Prefixes

1

IPv4 NUMs

4,864

IPv6 NUMs(/64)

1,048,576

4,864 IPv4 Addresses
CIDR Description IP Num
161.210.111.0/24
IRR InValid
Nebius Inc. 256
204.12.160.0/24
ROA Signed and Valid
Nebius Inc. 256
204.12.160.0/22
ROA Signed and Valid
Nebius Inc. 1024
204.12.164.0/24
Nebius Inc. 256
204.12.165.0/24
ROA Signed and Valid
Nebius Inc. 256
204.12.166.0/23
ROA Signed and Valid
Nebius Inc. 512
204.12.168.0/22
Nebius Inc. 1024
204.12.172.0/23
ROA Signed and Valid
Nebius Inc. 512
204.12.188.0/22
ROA Signed and Valid IRR InValid
Nebius Inc. 1024
CIDR Description IP NUMs(prefix /64)
2607:e840:20::/44
ROA Signed and Valid IRR Parent Valid
Nebius Inc. 1048576
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 408,064 77,326,843,904 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,752 282,627,370,713,088 IPv4 IPv4 IPv6 IPv6
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,362,688 82,693,914,624 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36,260,352 215,834,755,073 IPv4 IPv4 IPv6 IPv6 
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:        2026-06-24
Ref:            https://rdap.arin.net/registry/entity/NB-374


OrgDNSHandle: GOROV-ARIN
OrgDNSName:   Gorovoy, Alexey  
OrgDNSPhone:  +31 0970 102 07775 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/GOROV-ARIN

OrgTechHandle: ROSSL50-ARIN
OrgTechName:   Ross, Logan 
OrgTechPhone:  +1-270-302-6516 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ROSSL50-ARIN

OrgRoutingHandle: ROUTI74-ARIN
OrgRoutingName:   Routing
OrgRoutingPhone:  +3197010256911 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI74-ARIN

OrgTechHandle: GOROV-ARIN
OrgTechName:   Gorovoy, Alexey  
OrgTechPhone:  +31 0970 102 07775 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/GOROV-ARIN

OrgTechHandle: KIRKL97-ARIN
OrgTechName:   Kirkland, Matthew 
OrgTechPhone:  +1-555-555-5555 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/KIRKL97-ARIN

OrgTechHandle: LUKAS26-ARIN
OrgTechName:   Lukashkin, Alexander 
OrgTechPhone:  +31630969429 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/LUKAS26-ARIN

OrgTechHandle: ROUTI74-ARIN
OrgTechName:   Routing
OrgTechPhone:  +3197010256911 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ROUTI74-ARIN

OrgNOCHandle: SIMAK-ARIN
OrgNOCName:   Simakov, Aleksei 
OrgNOCPhone:  +310617219655 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/SIMAK-ARIN

OrgAbuseHandle: SIMAK-ARIN
OrgAbuseName:   Simakov, Aleksei 
OrgAbusePhone:  +310617219655 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SIMAK-ARIN

OrgDNSHandle: KIRKL97-ARIN
OrgDNSName:   Kirkland, Matthew 
OrgDNSPhone:  +1-555-555-5555 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/KIRKL97-ARIN

OrgDNSHandle: CROXF3-ARIN
OrgDNSName:   Croxford, Keith 
OrgDNSPhone:  +3197010256911 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/CROXF3-ARIN

OrgDNSHandle: ROSSL50-ARIN
OrgDNSName:   Ross, Logan 
OrgDNSPhone:  +1-270-302-6516 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/ROSSL50-ARIN

OrgRoutingHandle: LANET36-ARIN
OrgRoutingName:   Lanetskiy, Alexey 
OrgRoutingPhone:  +1-555-555-5555 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/LANET36-ARIN

OrgDNSHandle: SIMAK-ARIN
OrgDNSName:   Simakov, Aleksei 
OrgDNSPhone:  +310617219655 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/SIMAK-ARIN

OrgTechHandle: KORSA5-ARIN
OrgTechName:   korsakov, vladimir 
OrgTechPhone:  +31630496070 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/KORSA5-ARIN

OrgRoutingHandle: GOROV-ARIN
OrgRoutingName:   Gorovoy, Alexey  
OrgRoutingPhone:  +31 0970 102 07775 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/GOROV-ARIN

OrgRoutingHandle: KIRKL97-ARIN
OrgRoutingName:   Kirkland, Matthew 
OrgRoutingPhone:  +1-555-555-5555 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/KIRKL97-ARIN

OrgTechHandle: LANET36-ARIN
OrgTechName:   Lanetskiy, Alexey 
OrgTechPhone:  +1-555-555-5555 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/LANET36-ARIN

OrgDNSHandle: ROUTI74-ARIN
OrgDNSName:   Routing
OrgDNSPhone:  +3197010256911 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/ROUTI74-ARIN

OrgTechHandle: SIMAK-ARIN
OrgTechName:   Simakov, Aleksei 
OrgTechPhone:  +310617219655 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/SIMAK-ARIN

OrgTechHandle: CROXF3-ARIN
OrgTechName:   Croxford, Keith 
OrgTechPhone:  +3197010256911 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/CROXF3-ARIN

OrgDNSHandle: LANET36-ARIN
OrgDNSName:   Lanetskiy, Alexey 
OrgDNSPhone:  +1-555-555-5555 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/LANET36-ARIN

OrgRoutingHandle: ROSSL50-ARIN
OrgRoutingName:   Ross, Logan 
OrgRoutingPhone:  +1-270-302-6516 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROSSL50-ARIN

OrgRoutingHandle: SIMAK-ARIN
OrgRoutingName:   Simakov, Aleksei 
OrgRoutingPhone:  +310617219655 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SIMAK-ARIN

OrgTechHandle: TIKHO2-ARIN
OrgTechName:   Tikhonov, Andrei 
OrgTechPhone:  +31 6 23 5054 01 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/TIKHO2-ARIN