Home Prefix Lookup209.237.128.0/18

209.237.128.0/18 - BGP Prefix

IPv4not announced RPKI Valid

CIDR

209.237.128.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇺🇸 United States

City

Sterling

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

31 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
209.237.128.0/24	AS396298 ACRETO - Acreto	Valid	-	2026-10-11
209.237.129.0/24	AS396298 ACRETO - Acreto	Valid	-	2026-10-11
209.237.130.0/24	AS396298 ACRETO - Acreto	Valid	-	2026-10-11
209.237.131.0/24	AS396298 ACRETO - Acreto	Valid	-	2026-10-11
209.237.133.0/24	AS30041 RACE - Race Tech, LLC	Valid	-	2026-10-11
209.237.134.0/23	AS19871 NETWORK-SOLUTIONS-HOSTING - Network Solutions, LLC	No ROA	-	2026-10-11
209.237.136.0/22	AS20055 AS-WHOLESAIL - Wholesail networks LLC	Valid	-	2026-10-11
209.237.140.0/24	AS396998 PATH-NETWORK - Path Network, Inc.	Valid	-	2026-10-11
209.237.141.0/24	AS36231 Tempest-Hosting AGX Management Consultancy - FZCO	Valid	-	2026-10-11
209.237.142.0/24	AS19871 NETWORK-SOLUTIONS-HOSTING - Network Solutions, LLC	No ROA	-	2026-10-11
209.237.143.0/24	AS399413 GRMC - Greater Regional Medical Center	No ROA	-	2026-10-11
209.237.144.0/22	AS399006 KUDZU-01 - KUDZU NETWORKS, INC	No ROA	-	2026-10-11
209.237.148.0/23	AS211133 kingict_hr KING ICT d.o.o.	No ROA	-	2026-10-11
209.237.148.0/24	AS211133 kingict_hr KING ICT d.o.o.	No ROA	-	2026-10-11
209.237.149.0/24	AS211133 kingict_hr KING ICT d.o.o.	No ROA	-	2026-10-11
209.237.150.0/23	AS19871 NETWORK-SOLUTIONS-HOSTING - Network Solutions, LLC	Valid	-	2026-10-11
209.237.152.0/24	AS19871 NETWORK-SOLUTIONS-HOSTING - Network Solutions, LLC	No ROA	-	2026-10-11
209.237.153.0/24	AS22856 NUSOCLOUD-CT - NUSO	Valid	-	2026-10-11
209.237.154.0/24	AS399628 IMR-AS-01 - Internet Measurement Research	Valid	-	2026-10-11
209.237.155.0/24	AS19871 NETWORK-SOLUTIONS-HOSTING - Network Solutions, LLC	No ROA	-	2026-10-11
209.237.156.0/22	AS396097 SAIL-INET - Sail Internet, Inc.	Valid	-	2026-10-11
209.237.160.0/21	AS19871 NETWORK-SOLUTIONS-HOSTING - Network Solutions, LLC	Valid	-	2026-10-11
209.237.168.0/23	AS19871 NETWORK-SOLUTIONS-HOSTING - Network Solutions, LLC	Valid	-	2026-10-11
209.237.168.0/23	AS31898 ORACLE-BMC-31898 - Oracle Corporation	Valid	-	2026-10-11
209.237.170.0/23	AS62645 SNAPNAMES - SNAPNAMES.COM, INC.	Valid	-	2026-10-11
209.237.172.0/22	AS396006 SPITWSPOTS-HOM - SPITwSPOTS	No ROA	-	2026-10-11
209.237.172.0/24	AS396006 SPITWSPOTS-HOM - SPITwSPOTS	No ROA	-	2026-10-11
209.237.173.0/24	AS396006 SPITWSPOTS-HOM - SPITwSPOTS	No ROA	-	2026-10-11
209.237.174.0/24	AS396006 SPITWSPOTS-HOM - SPITwSPOTS	No ROA	-	2026-10-11
209.237.175.0/24	AS396006 SPITWSPOTS-HOM - SPITwSPOTS	No ROA	-	2026-10-11
209.237.176.0/20	AS19871 NETWORK-SOLUTIONS-HOSTING - Network Solutions, LLC	Valid	-	2026-10-11

More Specific Prefixes

Prefix	AS	Country	Status
209.237.128.0/22	AS396298	🇺🇸US	allocated
209.237.132.0/23		🇺🇸US	allocated
209.237.134.0/23	AS19871	🇺🇸US	allocated
209.237.136.0/22	AS20055	🇺🇸US	allocated
209.237.140.0/23		🇺🇸US	allocated
209.237.140.0/24	AS396998	🇺🇸US	allocated
209.237.141.0/24	AS36231	🇦🇪AE	allocated
209.237.142.0/24	AS19871	🇺🇸US	allocated
209.237.143.0/24	AS399413	🇺🇸US	allocated
209.237.144.0/22	AS399006	🇺🇸US	allocated
209.237.148.0/23	AS211133	🇭🇷HR	allocated
209.237.150.0/23	AS19871	🇺🇸US	allocated
209.237.152.0/24	AS19871	🇺🇸US	allocated
209.237.153.0/24	AS22856	🇺🇸US	allocated
209.237.154.0/24	AS399628	🇺🇸US	allocated
209.237.155.0/24	AS19871	🇺🇸US	allocated
209.237.156.0/22	AS396097	🇺🇸US	allocated
209.237.160.0/21	AS19871	🇺🇸US	allocated
209.237.168.0/22		🇺🇸US	allocated
209.237.172.0/22	AS396006	🇺🇸US	allocated
209.237.176.0/20	AS19871	🇺🇸US	allocated

Transfer History

Registry transfers of 209.237.128.0/18, blocks inside it, or blocks containing it.

209.237.141.0/24inter-RIRTransfer · 2026-10-08
Path Network, Inc.
🇺🇸 US ARIN
→
AGX Management Consultancy - FZCO
🇦🇪 AE RIPE NCC
209.237.132.0/23M&A · 2025-10-21
Open5G, Inc.
🇺🇸 US ARIN
→
Race Tech, LLC
🇺🇸 US ARIN
209.237.153.0/24M&A · 2022-07-06
SoTel Systems, LLC.
🇺🇸 US ARIN
→
NUSO
🇺🇸 US ARIN
209.237.148.0/23inter-RIRTransfer · 2021-05-25
Web.com Group, Inc.
🇺🇸 US ARIN
→
KING ICT d.o.o.
RIPE NCC
209.237.128.0/22Transfer · 2021-05-03
Web.com Group, Inc.
🇺🇸 US ARIN
→
Acreto
🇺🇸 US ARIN
209.237.143.0/24Transfer · 2021-04-16
Web.com Group, Inc.
🇺🇸 US ARIN
→
Greater Regional Medical Center
🇺🇸 US ARIN
209.237.154.0/24Transfer · 2021-04-09
Web.com Group, Inc.
🇺🇸 US ARIN
→
Internet Measurement Research
🇺🇸 US ARIN
209.237.144.0/22Transfer · 2021-04-09
Web.com Group, Inc.
🇺🇸 US ARIN
→
KUDZU NETWORKS, INC
🇺🇸 US ARIN
209.237.132.0/23Transfer · 2021-04-09
Web.com Group, Inc.
🇺🇸 US ARIN
→
Open5G, Inc.
🇺🇸 US ARIN
209.237.140.0/23Transfer · 2021-04-09
Web.com Group, Inc.
🇺🇸 US ARIN
→
Path Network, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2026-10-08	209.237.141.0/24inter-RIR	Path Network, Inc. 🇺🇸 US ARIN	AGX Management Consultancy - FZCO 🇦🇪 AE RIPE NCC	Transfer
2025-10-21	209.237.132.0/23	Open5G, Inc. 🇺🇸 US ARIN	Race Tech, LLC 🇺🇸 US ARIN	M&A
2022-07-06	209.237.153.0/24	SoTel Systems, LLC. 🇺🇸 US ARIN	NUSO 🇺🇸 US ARIN	M&A
2021-05-25	209.237.148.0/23inter-RIR	Web.com Group, Inc. 🇺🇸 US ARIN	KING ICT d.o.o. RIPE NCC	Transfer
2021-05-03	209.237.128.0/22	Web.com Group, Inc. 🇺🇸 US ARIN	Acreto 🇺🇸 US ARIN	Transfer
2021-04-16	209.237.143.0/24	Web.com Group, Inc. 🇺🇸 US ARIN	Greater Regional Medical Center 🇺🇸 US ARIN	Transfer
2021-04-09	209.237.154.0/24	Web.com Group, Inc. 🇺🇸 US ARIN	Internet Measurement Research 🇺🇸 US ARIN	Transfer
2021-04-09	209.237.144.0/22	Web.com Group, Inc. 🇺🇸 US ARIN	KUDZU NETWORKS, INC 🇺🇸 US ARIN	Transfer
2021-04-09	209.237.132.0/23	Web.com Group, Inc. 🇺🇸 US ARIN	Open5G, Inc. 🇺🇸 US ARIN	Transfer
2021-04-09	209.237.140.0/23	Web.com Group, Inc. 🇺🇸 US ARIN	Path Network, Inc. 🇺🇸 US ARIN	Transfer

View all 15 transfers →

Geolocation

Country🇺🇸United StatesUS

RegionVirginia

CitySterling

Coordinates39.0067, -77.4291 ↗

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/209.237.128.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/209.237.128.0/18" | jq

External Links

RIPEstat