1. All IP Ranges
  2. 204.0.0.0/8
  3. 204.12.0.0/16
  4. AS53428  | 204.12.172.0/23

204.12.172.0/23

AS53428  ·  Nebius Inc.

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Summary

Country United States
Domain nebius.com
ASN AS53428
Registry ARIN
ID NB-374

WHOIS Details

NetHandle:      NET-204-12-160-0-1
OrgID:          NB-374
Parent:         NET-204-0-0-0-0
NetName:        NB-374
NetRange:       204.12.160.0 - 204.12.191.255
NetType:        allocation
RegDate:        2025-02-04
Updated:        2025-02-04
Source:         ARIN


OrgID:          NB-374
OrgName:        Nebius Inc.
CanAllocate:    
Street:         10 State street
City:           Newburyport
State/Prov:     MA
Country:        US
PostalCode:     01950
RegDate:        2024-08-06
Updated:        2026-02-18
OrgAdminHandle: SIMAK-ARIN
OrgTechHandle:  CROXF3-ARIN
OrgTechHandle:  GOROV-ARIN
OrgTechHandle:  KIRKL97-ARIN
OrgTechHandle:  KORSA5-ARIN
OrgTechHandle:  LANET36-ARIN
OrgTechHandle:  LUKAS26-ARIN
OrgTechHandle:  ROUTI74-ARIN
OrgTechHandle:  SIMAK-ARIN
OrgTechHandle:  TIKHO2-ARIN
OrgAbuseHandle: SIMAK-ARIN
OrgNOCHandle:   SIMAK-ARIN
OrgRoutingHandle:   GOROV-ARIN
OrgRoutingHandle:   KIRKL97-ARIN
OrgRoutingHandle:   LANET36-ARIN
OrgRoutingHandle:   ROUTI74-ARIN
OrgRoutingHandle:   SIMAK-ARIN
OrgDNSHandle:   CROXF3-ARIN
OrgDNSHandle:   GOROV-ARIN
OrgDNSHandle:   KIRKL97-ARIN
OrgDNSHandle:   LANET36-ARIN
OrgDNSHandle:   ROUTI74-ARIN
OrgDNSHandle:   SIMAK-ARIN
Source:         ARIN


POCHandle:      LUKAS26-ARIN
IsRole:         N
LastName:       Lukashkin
FirstName:      Alexander
Street:         Gustav Mahlerlaan 300
City:           Amsterdam
State/Prov:     
Country:        NL
PostalCode:     1082 ME
RegDate:        2024-12-16
Updated:        2024-12-16
OfficePhone:    +3197010207775
MobilePhone:    +31630969429
Mailbox:        aslukashkin@nebius.com
Source:         ARIN


POCHandle:      GOROV-ARIN
IsRole:         N
LastName:       Gorovoy
FirstName:      Alexey 
Street:         Gustav Mahlerlaan 300 
City:           Amsterdam
State/Prov:     
Country:        NL
PostalCode:     1082 ME 
RegDate:        2025-06-02
Updated:        2025-06-02
OfficePhone:    +31 0970 102 07775
Mailbox:        algorovoy@nebius.com
Source:         ARIN


POCHandle:      LANET36-ARIN
IsRole:         N
LastName:       Lanetskiy
FirstName:      Alexey
Street:         N/A
City:           Dallas
State/Prov:     TX
Country:        US
PostalCode:     75001
RegDate:        2025-09-11
Updated:        2025-09-11
OfficePhone:    +1-555-555-5555
Mailbox:        xcore@nebius.com
Source:         ARIN


POCHandle:      CROXF3-ARIN
IsRole:         N
LastName:       Croxford
FirstName:      Keith
Street:         Gustav Mahlerlaan 300
City:           Amsterdam
State/Prov:     Noord-Holland
Country:        NL
PostalCode:     1082 ME 
RegDate:        2025-01-28
Updated:        2026-01-26
OfficePhone:    +3197010256911
Mailbox:        kcroxford@nebius.com
Source:         ARIN


POCHandle:      SIMAK-ARIN
IsRole:         N
LastName:       Simakov
FirstName:      Aleksei
Street:         Gustav Mahlerlaan 300, 1082 ME Amsterdam
City:           Amsterdam
State/Prov:     
Country:        NL
PostalCode:     1082 ME
RegDate:        2024-08-06
Updated:        2025-08-06
OfficePhone:    +310617219655
Mailbox:        alex@nebius.com
Source:         ARIN


POCHandle:      KIRKL97-ARIN
IsRole:         N
LastName:       Kirkland
FirstName:      Matthew
Street:         N/A
City:           Denver
State/Prov:     CO
Country:        US
PostalCode:     80202
RegDate:        2026-02-18
Updated:        2026-02-18
OfficePhone:    +1-555-555-5555
Mailbox:        mattkirkland@nebius.com
Source:         ARIN


POCHandle:      ROUTI74-ARIN
IsRole:         Y
LastName:       Routing
FirstName:      
Street:         Gustav Mahlerlaan 300, 1082 ME
City:           Amsterdam
State/Prov:     
Country:        NL
PostalCode:     
RegDate:        2026-01-27
Updated:        2026-01-27
OfficePhone:    +3197010256911
Mailbox:        dgo@nebius.com
Source:         ARIN


POCHandle:      KORSA5-ARIN
IsRole:         N
LastName:       korsakov
FirstName:      vladimir
Street:         Gustav Mahlerlaan, 300
City:           Amsterdam
State/Prov:     
Country:        NL
PostalCode:     1082ME
RegDate:        2024-12-05
Updated:        2024-12-05
OfficePhone:    +31630496070
Mailbox:        scamp@nebius.com
Source:         ARIN


POCHandle:      TIKHO2-ARIN
IsRole:         N
LastName:       Tikhonov
FirstName:      Andrei
Street:         Schiphol 165
City:           Schiphol
State/Prov:     
Country:        NL
PostalCode:     1118BG
RegDate:        2024-12-18
Updated:        2026-02-18
OfficePhone:    +31 6 23 5054 01
MobilePhone:    +31 6 49 7881 36
Mailbox:        antixonov@nebius.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 204.12.0.0/16

Range ASN Company Num of IPs
204.12.192.0/18 AS32097 WholeSale Internet, Inc. 16,384
204.12.144.0/20 AS6327 Shaw Communications 4,096
204.12.212.0/24 AS11169 Arquenzo LLC 256
204.12.152.0/24 AS29988 Rogers Data Centre 256
204.12.144.0/24 AS6327 Calfrac Well Services Ltd. 256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Pingable IPs

40 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
204.12.173.34 AS53428 Nebius Inc. 0.20ms from Kansas City, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
168.107.148.23 AS54253 Oracle Corporation 2.12ms from Bangkok, TH
201.195.88.87 AS11830 Instituto Costarricense de Electricidad y Telecom. 0.95ms from Curridabat, CR
52.212.92.135 AS16509 Amazon.com, Inc. 0.18ms from Dublin, IE
72.144.61.199 AS8075 Microsoft Corporation 0.17ms from Frankfurt am Main, DE
47.114.126.39 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 4.39ms from Hangzhou, CN
110.4.25.247 AS38819 HKCSL GPRS NETWORK 9.82ms from Hong Kong, HK
117.64.249.231 AS4134 CHINANET-BACKBONE 8.11ms from Huai'an, CN
182.178.54.7 AS17557 Pakistan Telecommunication Company Limited 8.12ms from Karachi, PK
86.169.181.55 AS2856 British Telecommunications PLC 4.71ms from London, GB
34.54.188.135 AS396982 Google LLC 0.07ms from Melbourne, AU
37.235.252.87 AS41268 Sesameware FZ-LLC 8.49ms from Moscow, RU
175.28.174.199 AS7679 QTnet,Inc. 10.87ms from Osaka, JP
59.22.214.231 AS4766 Korea Telecom 6.97ms from Seoul, KR
202.90.221.103 AS58650 Warabi Cable Vision Co., Ltd. 2.08ms from Tokyo, JP
197.15.226.103 AS37671 3S INF 1.36ms from Tunis, TN
58.82.156.135 AS55423 JasTel Network 1.14ms from Bangkok, TH
201.176.30.119 AS22927 Telefonica de Argentina 1.48ms from Buenos Aires, AR
80.134.247.215 AS3320 Deutsche Telekom AG 1.64ms from Frankfurt am Main, DE
188.132.176.135 AS42910 PremierDC Veri Merkezi Anonim Sirketi 0.26ms from Istanbul, TR
94.175.60.87 AS5089 Virgin Media Limited 14.08ms from London, GB
69.106.108.183 AS7018 AT&T Enterprises, LLC 1.82ms from Los Angeles, US
178.232.131.215 AS25400 Telia Norge AS 2.61ms from Sandefjord, NO
179.177.199.71 AS18881 TELEFÔNICA BRASIL S.A 5.16ms from Sao Paulo, BR
59.24.93.135 AS4766 Korea Telecom 6.14ms from Seoul, KR
141.8.81.71 AS12709 Melita Limited 7.86ms from Swieqi, MT

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f4 204.12.173.48
traceroute to 204.12.173.48 (204.12.173.48): 64 hops max, 52 byte packets
4 [AS174] 154.54.88.41 12.687 ms
5 [AS174] 154.54.83.70 12.902 ms
6 [AS174] 154.54.95.98 32.293 ms
7 [AS174] 154.54.47.37 31.007 ms
8 [AS174] 38.104.87.53 24.226 ms
9 *
10 *
11 *
12 [AS53428] 204.12.173.48 24.028 ms
Measurement taken from IPinfo ProbeNet in Billings, US
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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