Home Prefix Lookup204.57.128.0/17

204.57.128.0/17 - BGP Prefix

IPv4not announced RPKI Valid

CIDR

204.57.128.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇺🇸 United States

City

Vernon

Status

not announced

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

28 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
204.57.128.0/18	AS32391 SRCACCESS - SANTA ROSA TELEPHONE COOPERATIVE INC	Valid	-	2026-10-11
204.57.208.0/24	AS53855 RIPPLE-01 - Ripple	No ROA	-	2026-10-11
204.57.215.0/24	AS1982 ASN-NWNEXUS - Northwest Nexus Inc.	No ROA	-	2026-10-11
204.57.216.0/24	AS46854 KONAM - Konami Gaming, Inc.	No ROA	-	2026-10-11
204.57.217.0/24	AS40360 PANERA - PANERA BREAD COMPANY	No ROA	-	2026-10-11
204.57.220.0/24	AS215197 ZEROSERVICESGMBH-AS Zero Services GmbH	Valid	-	2026-10-11
204.57.221.0/24	AS31945 MERTANDHOUSE LLC - MERTANDHOUSE LLC	Valid	-	2026-10-11
204.57.222.0/23	AS12025 IMDC-AS12025 - Iron Mountain Data Center	No ROA	-	2026-10-11
204.57.224.0/21	AS400317 ORCHEST - GoldConnect	No ROA	-	2026-10-11
204.57.224.0/23	AS400317 ORCHEST - GoldConnect	No ROA	-	2026-10-11
204.57.224.0/24	AS400317 ORCHEST - GoldConnect	No ROA	-	2026-10-11
204.57.225.0/24	AS400317 ORCHEST - GoldConnect	No ROA	-	2026-10-11
204.57.226.0/24	AS400317 ORCHEST - GoldConnect	No ROA	-	2026-10-11
204.57.227.0/24	AS400317 ORCHEST - GoldConnect	No ROA	-	2026-10-11
204.57.229.0/24	AS400317 ORCHEST - GoldConnect	No ROA	-	2026-10-11
204.57.232.0/21	AS10242 USINTERNET - US Internet Corp	Valid	-	2026-10-11
204.57.240.0/24	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-11
204.57.241.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
204.57.242.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
204.57.243.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
204.57.244.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
204.57.245.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
204.57.246.0/24	AS14618 AMAZON-AES - Amazon.com, Inc.	Valid	-	2026-10-11
204.57.247.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
204.57.248.0/21	AS55039 FATBEAM-AS - Fatbeam, LLC	Valid	-	2026-10-11
204.57.249.0/24	AS55039 FATBEAM-AS - Fatbeam, LLC	Valid	-	2026-10-11
204.57.250.0/23	AS55039 FATBEAM-AS - Fatbeam, LLC	Valid	-	2026-10-11
204.57.252.0/22	AS55039 FATBEAM-AS - Fatbeam, LLC	Valid	-	2026-10-11

More Specific Prefixes

Prefix	AS	Country	Status
204.57.128.0/18	AS32391	🇺🇸US	allocated
204.57.192.0/20		🇺🇸US	allocated
204.57.208.0/21	AS53855	🇺🇸US	allocated
204.57.216.0/24	AS46854	🇺🇸US	allocated
204.57.217.0/24	AS40360	🇺🇸US	allocated
204.57.218.0/24	AS203859	🇮🇱IL	allocated
204.57.219.0/24	AS29764	🇺🇸US	allocated
204.57.220.0/24	AS215197	🇩🇪DE	assigned
204.57.221.0/24	AS31945	🇺🇸US	allocated
204.57.222.0/23	AS12025	🇺🇸US	allocated
204.57.224.0/21	AS400317	🇺🇸US	allocated
204.57.232.0/21	AS10242	🇺🇸US	allocated
204.57.240.0/21		🇺🇸US	allocated
204.57.248.0/21	AS55039	🇺🇸US	allocated

Transfer History

Registry transfers of 204.57.128.0/17, blocks inside it, or blocks containing it.

204.57.224.0/21M&A · 2026-09-28
GoldConnect
🇺🇸 US ARIN
→
Orchest Technologies
🇺🇸 US ARIN
204.57.208.0/21Transfer · 2026-02-20
Northwest Nexus Inc.
🇺🇸 US ARIN
→
Ripple
🇺🇸 US ARIN
204.57.221.0/24Transfer · 2026-02-10
Northwest Nexus Inc.
🇺🇸 US ARIN
→
MERTANDHOUSE LLC
🇺🇸 US ARIN
204.57.222.0/23Transfer · 2026-02-04
Northwest Nexus Inc.
🇺🇸 US ARIN
→
DRH Internet, Inc.
🇺🇸 US ARIN
204.57.219.0/24Transfer · 2026-01-20
Northwest Nexus Inc.
🇺🇸 US ARIN
→
AMETEK Inc.
🇺🇸 US ARIN
204.57.220.0/24inter-RIRTransfer · 2026-01-20
Northwest Nexus Inc.
🇺🇸 US ARIN
→
Zero Services GmbH
🇩🇪 DE RIPE NCC
204.57.218.0/24inter-RIRTransfer · 2026-01-15
Northwest Nexus Inc.
🇺🇸 US ARIN
→
Voye Global Connectivity Ltd
🇮🇱 IL RIPE NCC
204.57.217.0/24Transfer · 2026-01-06
Northwest Nexus Inc.
🇺🇸 US ARIN
→
PANERA BREAD COMPANY
🇺🇸 US ARIN
204.57.216.0/24Transfer · 2026-01-06
Northwest Nexus Inc.
🇺🇸 US ARIN
→
Konami Gaming, Inc.
🇺🇸 US ARIN
204.57.248.0/21Transfer · 2025-11-12
Northwest Nexus Inc.
🇺🇸 US ARIN
→
Fatbeam, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2026-09-28	204.57.224.0/21	GoldConnect 🇺🇸 US ARIN	Orchest Technologies 🇺🇸 US ARIN	M&A
2026-02-20	204.57.208.0/21	Northwest Nexus Inc. 🇺🇸 US ARIN	Ripple 🇺🇸 US ARIN	Transfer
2026-02-10	204.57.221.0/24	Northwest Nexus Inc. 🇺🇸 US ARIN	MERTANDHOUSE LLC 🇺🇸 US ARIN	Transfer
2026-02-04	204.57.222.0/23	Northwest Nexus Inc. 🇺🇸 US ARIN	DRH Internet, Inc. 🇺🇸 US ARIN	Transfer
2026-01-20	204.57.219.0/24	Northwest Nexus Inc. 🇺🇸 US ARIN	AMETEK Inc. 🇺🇸 US ARIN	Transfer
2026-01-20	204.57.220.0/24inter-RIR	Northwest Nexus Inc. 🇺🇸 US ARIN	Zero Services GmbH 🇩🇪 DE RIPE NCC	Transfer
2026-01-15	204.57.218.0/24inter-RIR	Northwest Nexus Inc. 🇺🇸 US ARIN	Voye Global Connectivity Ltd 🇮🇱 IL RIPE NCC	Transfer
2026-01-06	204.57.217.0/24	Northwest Nexus Inc. 🇺🇸 US ARIN	PANERA BREAD COMPANY 🇺🇸 US ARIN	Transfer
2026-01-06	204.57.216.0/24	Northwest Nexus Inc. 🇺🇸 US ARIN	Konami Gaming, Inc. 🇺🇸 US ARIN	Transfer
2025-11-12	204.57.248.0/21	Northwest Nexus Inc. 🇺🇸 US ARIN	Fatbeam, LLC 🇺🇸 US ARIN	Transfer

View all 15 transfers →

Geolocation

Country🇺🇸United StatesUS

RegionTexas

CityVernon

Coordinates34.1545, -99.2651 ↗

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/204.57.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/204.57.128.0/17" | jq

External Links

RIPEstat