Home Prefix Lookup209.25.128.0/17

209.25.128.0/17 - BGP Prefix

IPv4not announced RPKI Valid

CIDR

209.25.128.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇺🇸 United States

City

Los Angeles

Status

not announced

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

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

41 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
209.25.128.0/21	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
209.25.136.0/22	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
209.25.140.0/22	AS400519 PLAYIT-GG - Developed Methods LLC	Valid	-	2026-10-11
209.25.140.0/24	AS400519 PLAYIT-GG - Developed Methods LLC	Valid	-	2026-10-11
209.25.141.0/24	AS400519 PLAYIT-GG - Developed Methods LLC	Valid	-	2026-10-11
209.25.142.0/23	AS400519 PLAYIT-GG - Developed Methods LLC	Valid	-	2026-10-11
209.25.142.0/24	AS400519 PLAYIT-GG - Developed Methods LLC	Valid	-	2026-10-11
209.25.143.0/24	AS400519 PLAYIT-GG - Developed Methods LLC	Valid	-	2026-10-11
209.25.144.0/22	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
209.25.148.0/22	AS23260 SCI-AS - Midcontinent Communications	Valid	-	2026-10-11
209.25.152.0/21	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
209.25.160.0/21	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
209.25.168.0/22	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
209.25.172.0/22	AS15305 SYRINGANETWORKS - Syringa Networks, LLC	No ROA	-	2026-10-11
209.25.176.0/21	AS13768 COGECO-PEER1 - Aptum Technologies	Valid	-	2026-10-11
209.25.184.0/21	AS399143 4CEPA-FASTNET - 4-County Electric Power Association	Valid	-	2026-10-11
209.25.184.0/24	AS399143 4CEPA-FASTNET - 4-County Electric Power Association	Valid	-	2026-10-11
209.25.185.0/24	AS399143 4CEPA-FASTNET - 4-County Electric Power Association	Valid	-	2026-10-11
209.25.187.0/24	AS399143 4CEPA-FASTNET - 4-County Electric Power Association	Valid	-	2026-10-11
209.25.188.0/24	AS399143 4CEPA-FASTNET - 4-County Electric Power Association	Valid	-	2026-10-11
209.25.192.0/21	AS401326 BOONE-COOPERATIVE-ADVANTAGE - BCA Connect, LLC	No ROA	-	2026-10-11
209.25.200.0/22	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
209.25.204.0/22	AS401074 TF-SEC - TForce Freight	No ROA	-	2026-10-11
209.25.208.0/24	AS22018 TAUNTON-MUNICIPAL - Taunton Municipal Lighting Plant	Valid	-	2026-10-11
209.25.209.0/24	AS22018 TAUNTON-MUNICIPAL - Taunton Municipal Lighting Plant	Valid	-	2026-10-11
209.25.210.0/24	AS22018 TAUNTON-MUNICIPAL - Taunton Municipal Lighting Plant	Valid	-	2026-10-11
209.25.211.0/24	AS22018 TAUNTON-MUNICIPAL - Taunton Municipal Lighting Plant	Valid	-	2026-10-11
209.25.212.0/22	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
209.25.216.0/24	AS393262 TODYL-CLOUD - Todyl, Inc.	Valid	-	2026-10-11
209.25.220.0/22	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
209.25.224.0/21	AS398446 COOPERATIVE-CONNECTION-01 - Cooperative Connection, LLC	Valid	-	2026-10-11
209.25.224.0/22	AS398446 COOPERATIVE-CONNECTION-01 - Cooperative Connection, LLC	Valid	-	2026-10-11
209.25.228.0/22	AS398446 COOPERATIVE-CONNECTION-01 - Cooperative Connection, LLC	Valid	-	2026-10-11
209.25.232.0/21	AS13768 COGECO-PEER1 - Aptum Technologies	No ROA	-	2026-10-11
209.25.240.0/20	AS11904 ATOM-MI-53-198 - AcenTek	Valid	-	2026-10-11
209.25.240.0/21	AS11904 ATOM-MI-53-198 - AcenTek	Valid	-	2026-10-11
209.25.240.0/22	AS11904 ATOM-MI-53-198 - AcenTek	Valid	-	2026-10-11
209.25.244.0/22	AS11904 ATOM-MI-53-198 - AcenTek	Valid	-	2026-10-11
209.25.248.0/21	AS11904 ATOM-MI-53-198 - AcenTek	Valid	-	2026-10-11
209.25.248.0/22	AS11904 ATOM-MI-53-198 - AcenTek	Valid	-	2026-10-11
209.25.252.0/22	AS11904 ATOM-MI-53-198 - AcenTek	Valid	-	2026-10-11

More Specific Prefixes

Prefix	AS	Country	Status
209.25.128.0/21	AS13768	🇨🇦CA	allocated
209.25.136.0/22	AS13768	🇨🇦CA	allocated
209.25.140.0/22	AS400519	🇺🇸US	allocated
209.25.144.0/22	AS13768	🇨🇦CA	allocated
209.25.148.0/22	AS23260	🇺🇸US	allocated
209.25.152.0/21	AS13768	🇨🇦CA	allocated
209.25.160.0/21	AS13768	🇨🇦CA	allocated
209.25.168.0/22	AS13768	🇨🇦CA	allocated
209.25.172.0/22	AS15305	🇺🇸US	allocated
209.25.176.0/21	AS13768	🇨🇦CA	allocated
209.25.184.0/21	AS399143	🇺🇸US	allocated
209.25.192.0/21	AS401326	🇺🇸US	allocated
209.25.200.0/22	AS13768	🇨🇦CA	allocated
209.25.204.0/22	AS401074	🇺🇸US	allocated
209.25.208.0/22	AS22018	🇺🇸US	allocated
209.25.212.0/22	AS13768	🇨🇦CA	allocated
209.25.216.0/22	AS393262	🇺🇸US	allocated
209.25.220.0/22	AS13768	🇨🇦CA	allocated
209.25.224.0/21	AS398446	🇺🇸US	allocated
209.25.232.0/21	AS13768	🇨🇦CA	allocated
209.25.240.0/20	AS11904	🇺🇸US	allocated

Transfer History

Registry transfers of 209.25.128.0/17, blocks inside it, or blocks containing it.

209.25.148.0/22M&A · 2025-12-10
Savage Communications Inc.
🇺🇸 US ARIN
→
Midcontinent Communications
🇺🇸 US ARIN
209.25.224.0/21Transfer · 2024-08-07
Aptum Technologies
🇨🇦 CA ARIN
→
Cooperative Connection, LLC
🇺🇸 US ARIN
209.25.192.0/21Transfer · 2024-07-09
Aptum Technologies
🇨🇦 CA ARIN
→
BCA Connect, LLC
🇺🇸 US ARIN
209.25.204.0/22Transfer · 2024-05-23
Aptum Technologies
🇨🇦 CA ARIN
→
TForce Freight
🇺🇸 US ARIN
209.25.216.0/22Transfer · 2024-05-10
Aptum Technologies
🇨🇦 CA ARIN
→
Todyl, Inc.
🇺🇸 US ARIN
209.25.208.0/22Transfer · 2023-05-26
Aptum Technologies
🇨🇦 CA ARIN
→
Taunton Municipal Lighting Plant
🇺🇸 US ARIN
209.25.240.0/20Transfer · 2023-05-22
Aptum Technologies
🇨🇦 CA ARIN
→
AcenTek
🇺🇸 US ARIN
209.25.172.0/22Transfer · 2023-02-23
Aptum Technologies
🇨🇦 CA ARIN
→
Syringa Networks, LLC
🇺🇸 US ARIN
209.25.184.0/21Transfer · 2022-10-11
Aptum Technologies
🇨🇦 CA ARIN
→
4-County Electric Power Association
🇺🇸 US ARIN
209.25.148.0/22Transfer · 2022-09-15
Aptum Technologies
🇨🇦 CA ARIN
→
Savage Communications Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-12-10	209.25.148.0/22	Savage Communications Inc. 🇺🇸 US ARIN	Midcontinent Communications 🇺🇸 US ARIN	M&A
2024-08-07	209.25.224.0/21	Aptum Technologies 🇨🇦 CA ARIN	Cooperative Connection, LLC 🇺🇸 US ARIN	Transfer
2024-07-09	209.25.192.0/21	Aptum Technologies 🇨🇦 CA ARIN	BCA Connect, LLC 🇺🇸 US ARIN	Transfer
2024-05-23	209.25.204.0/22	Aptum Technologies 🇨🇦 CA ARIN	TForce Freight 🇺🇸 US ARIN	Transfer
2024-05-10	209.25.216.0/22	Aptum Technologies 🇨🇦 CA ARIN	Todyl, Inc. 🇺🇸 US ARIN	Transfer
2023-05-26	209.25.208.0/22	Aptum Technologies 🇨🇦 CA ARIN	Taunton Municipal Lighting Plant 🇺🇸 US ARIN	Transfer
2023-05-22	209.25.240.0/20	Aptum Technologies 🇨🇦 CA ARIN	AcenTek 🇺🇸 US ARIN	Transfer
2023-02-23	209.25.172.0/22	Aptum Technologies 🇨🇦 CA ARIN	Syringa Networks, LLC 🇺🇸 US ARIN	Transfer
2022-10-11	209.25.184.0/21	Aptum Technologies 🇨🇦 CA ARIN	4-County Electric Power Association 🇺🇸 US ARIN	Transfer
2022-09-15	209.25.148.0/22	Aptum Technologies 🇨🇦 CA ARIN	Savage Communications Inc. 🇺🇸 US ARIN	Transfer

View all 12 transfers →

Geolocation

Country🇺🇸United StatesUS

RegionCalifornia

CityLos Angeles

Coordinates34.0549, -118.2430 ↗

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/209.25.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/209.25.128.0/17" | jq

External Links

RIPEstat