ASN Lookup Tool

Nebius Inc. nebius.com US US 8 Routes

AS Data

AS53428

AS53428 – Nebius Inc.

AS Number 53428
AS Name KCS-US-NEBIUS
Organization Nebius Inc.(nb-374)
Country US
Website nebius.com
Number of IPv4 Routes 7
Number of IPv6 Routes 1
ASN type BUSINESS
Registry ARIN
Date Allocated 2024-12-13

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Use ASN data for AS53428 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
204.12.166.0/23 512
204.12.160.0/22 1024
2607:e840:20::/44 ~19×10²⁴
204.12.160.0/24 256
204.12.172.0/23 512
204.12.168.0/22 1024
204.12.164.0/24 256
204.12.165.0/24 256

Raw Whois Response

#
# 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 1997-2026, 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:        2026-02-18
Ref:            https://rdap.arin.net/registry/entity/NB-374


OrgRoutingHandle: KIRKL97-ARIN
OrgRoutingName:   Kirkland, Matthew 
OrgRoutingPhone:  +1-555-555-5555 
OrgRoutingEmail:  mattkirkland@nebius.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/KIRKL97-ARIN

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

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

OrgTechHandle: CROXF3-ARIN
OrgTechName:   Croxford, Keith 
OrgTechPhone:  +3197010256911 
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

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

OrgRoutingHandle: ROUTI74-ARIN
OrgRoutingName:   Routing
OrgRoutingPhone:  +3197010256911 
OrgRoutingEmail:  dgo@nebius.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI74-ARIN

OrgDNSHandle: KIRKL97-ARIN
OrgDNSName:   Kirkland, Matthew 
OrgDNSPhone:  +1-555-555-5555 
OrgDNSEmail:  mattkirkland@nebius.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/KIRKL97-ARIN

OrgDNSHandle: SIMAK-ARIN
OrgDNSName:   Simakov, Aleksei 
OrgDNSPhone:  +310617219655 
OrgDNSEmail:  alex@nebius.com
OrgDNSRef:    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: KIRKL97-ARIN
OrgTechName:   Kirkland, Matthew 
OrgTechPhone:  +1-555-555-5555 
OrgTechEmail:  mattkirkland@nebius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KIRKL97-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

OrgDNSHandle: ROUTI74-ARIN
OrgDNSName:   Routing
OrgDNSPhone:  +3197010256911 
OrgDNSEmail:  dgo@nebius.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ROUTI74-ARIN

OrgTechHandle: ROUTI74-ARIN
OrgTechName:   Routing
OrgTechPhone:  +3197010256911 
OrgTechEmail:  dgo@nebius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ROUTI74-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: SIMAK-ARIN
OrgTechName:   Simakov, Aleksei 
OrgTechPhone:  +310617219655 
OrgTechEmail:  alex@nebius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SIMAK-ARIN

OrgDNSHandle: CROXF3-ARIN
OrgDNSName:   Croxford, Keith 
OrgDNSPhone:  +3197010256911 
OrgDNSEmail:  kcroxford@nebius.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/CROXF3-ARIN

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

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


#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS1299 Arelion Sweden AB SE
AS6939 Hurricane Electric LLC US
AS174 Cogent Communications, LLC US

Upstreams

AS Number Description Country
AS1299 Arelion Sweden AB SE
AS6939 Hurricane Electric LLC US
AS174 Cogent Communications, LLC US

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Frequently Asked Questions

ASN AS53428 is an Autonomous System Number used to identify a network for BGP internet routing.
AS53428 is listed under Nebius Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.