AS53428 Nebius Inc.

• IPv4 Prefixes
• IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	204.12.160.0/22	Nebius Inc.		204.12.160.0/19	ARIN
	204.12.160.0/24	Nebius Inc.		204.12.160.0/19	ARIN
	204.12.166.0/23			-
	204.12.168.0/22			-

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2607:e840:20::/44	Nebius Inc.		2607:e840::/32	ARIN

• IPv4 Peers
• IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS6939	HURRICANE	Hurricane Electric LLC
	AS174	COGENT-174	Cogent Communications
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier

Country	ASN	Name	Description	IPv4
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS174	COGENT-174	Cogent Communications
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier

• IPv4 Upstreams
• IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS174	COGENT-174	Cogent Communications
	AS6939	HURRICANE	Hurricane Electric LLC

IPv4 Upstream Graph

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IPv4 Upstream Graph

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Country	ASN	Name	Description	IPv4
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS174	COGENT-174	Cogent Communications

IPv6 Upstream Graph

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IPv6 Upstream Graph

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#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


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:        2025-06-02
Ref:            https://rdap.arin.net/registry/entity/NB-374


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

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

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

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

OrgTechHandle: TIKHO2-ARIN
OrgTechName:   Tikhonov, Andrei 
OrgTechPhone:  +31 6 23 5054 01 
OrgTechEmail:  antixonov@nebius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TIKHO2-ARIN

OrgDNSHandle: SIMAK-ARIN
OrgDNSName:   Simakov, Aleksei 
OrgDNSPhone:  +310617219655 
OrgDNSEmail:  alex@nebius.com
OrgDNSRef:    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

OrgAbuseHandle: SIMAK-ARIN
OrgAbuseName:   Simakov, Aleksei 
OrgAbusePhone:  +310617219655 
OrgAbuseEmail:  alex@nebius.com
OrgAbuseRef:    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

OrgDNSHandle: GOROV-ARIN
OrgDNSName:   Gorovoy, Alexey  
OrgDNSPhone:  +31 0970 102 07775 
OrgDNSEmail:  algorovoy@nebius.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/GOROV-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: LUKAS26-ARIN
OrgTechName:   Lukashkin, Alexander 
OrgTechPhone:  +31630969429 
OrgTechEmail:  aslukashkin@nebius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LUKAS26-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#