Home Prefix Lookup204.12.176.0/21

204.12.176.0/21 - Nebius (AS402167)

IPv4ARINannouncedAS402167AS-NEBIUS-CENTRAL - Nebius Inc.No ROA

CIDR

204.12.176.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

Newburyport

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
204.12.176.0/21	AS402167 AS-NEBIUS-CENTRAL - Nebius Inc.	No ROA	ARIN	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS402167	ARIN	MNT-NB-374	2026-06-24

Transfer History

Registry transfers of 204.12.176.0/21, blocks inside it, or blocks containing it.

204.12.160.0/19Transfer · 2025-02-04
TPT GLOBAL TECH, INC.
🇺🇸 US ARIN
→
Nebius Inc.
🇺🇸 US ARIN
204.12.160.0/19M&A · 2024-12-18
SpeedNet, LLC
🇺🇸 US ARIN
→
TPT GLOBAL TECH, INC.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-02-04	204.12.160.0/19	TPT GLOBAL TECH, INC. 🇺🇸 US ARIN	Nebius Inc. 🇺🇸 US ARIN	Transfer
2024-12-18	204.12.160.0/19	SpeedNet, LLC 🇺🇸 US ARIN	TPT GLOBAL TECH, INC. 🇺🇸 US ARIN	M&A

Origin ASN

AS402167

AS-NEBIUS-CENTRAL - Nebius Inc.

Related Prefixes

More prefixes of AS402167

All prefixes of AS402167 →

Geolocation

Country🇺🇸United StatesUS

RegionMassachusetts

CityNewburyport

Coordinates42.8108, -70.8700 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/204.12.176.0/21

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/204.12.176.0/21" | jq

External Links

RIPEstat