Home Prefix Lookup40.128.0.0/12

40.128.0.0/12 - BGP Prefix

IPv4not announced RPKI Valid

CIDR

40.128.0.0/12

IP Version

IPv4

Addresses

Mask

/12 (255.240.0.0)

Country

🇺🇸 United States

City

Effingham

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

149 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
40.128.0.0/14	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.128.13.0/24	AS23045 ASKOH1 - Kohler Co.	Valid	-	2026-10-11
40.130.200.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.131.128.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.131.144.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.131.160.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.131.176.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.131.199.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.132.0.0/16	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.132.168.0/22	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.132.208.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.133.0.0/19	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.133.32.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.133.40.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.133.48.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.133.64.0/18	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.133.107.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.133.128.0/17	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.133.144.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.133.160.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.133.176.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.134.0.0/15	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.134.84.0/22	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.134.88.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.134.145.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.134.191.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.134.200.0/23	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.135.25.0/24	AS7896 NU-AS - The Board of Regents of the University of Nebraska	Valid	-	2026-10-11
40.135.184.0/24	AS394877 BCH - Blythedale Childrens Hospital	Valid	-	2026-10-11
40.136.0.0/15	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.136.18.0/24	AS15270 AS-PAETEC-NET - Windstream Communications LLC	Invalid	-	2026-10-11
40.136.32.0/23	AS1818 DIALKENTUCKY - DIALOG TELECOMMUNICATIONS, INC.	Valid	-	2026-10-11
40.136.75.0/24	AS33596 BRUNSWICKCORPORATION - Brunswick Corporation	Invalid	-	2026-10-11
40.136.168.0/22	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.136.200.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.136.224.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.136.240.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.137.0.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.137.1.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.137.2.0/23	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.138.0.0/17	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.138.48.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.138.56.0/23	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.138.58.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.138.59.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.138.72.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Invalid	-	2026-10-11
40.138.72.0/24	AS402603 SKCANS-01 - Southwestern	Invalid	-	2026-10-11
40.138.128.0/18	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.138.160.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.138.176.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.138.192.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.138.208.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.138.216.0/22	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
40.138.220.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.138.224.0/19	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.139.0.0/16	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.139.25.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Invalid	-	2026-10-11
40.139.154.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.139.209.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.140.0.0/15	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.140.15.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.141.58.0/24	AS21609 SENTINEL-BENEFITS-GROUP - Sentinel Benefits Group, INC	Invalid	-	2026-10-11
40.141.118.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.0.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.8.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.12.0/22	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.16.0/20	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.32.0/19	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.32.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.36.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.40.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.44.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.48.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.52.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.56.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.60.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.64.0/18	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.64.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.72.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.76.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.80.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.88.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.96.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.104.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.142.128.0/17	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.128.0/22	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.132.0/22	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.136.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.136.0/23	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.138.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Invalid	-	2026-10-11
40.142.139.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.140.0/23	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.142.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.143.0/24	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.144.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.144.0/22	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.148.0/23	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.150.0/23	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.152.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.160.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.176.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.192.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.200.0/21	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.142.208.0/20	AS7029 WINDSTREAM - Windstream Communications LLC	Valid	-	2026-10-11
40.143.0.0/18	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.0.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.8.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.16.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.24.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.32.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.40.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.48.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.52.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.56.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.64.0/21	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-11
40.143.72.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.72.0/23	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.74.0/23	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.76.0/23	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.78.0/23	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.78.0/24	AS395382 CFN-AS - COMMONWEALTH EQUITY SERVICES, INC.	Valid	-	2026-10-11
40.143.80.0/20	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.80.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.85.0/24	AS11958 USABLE - USAble Life	Valid	-	2026-10-11
40.143.88.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.96.0/19	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.96.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.104.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.112.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.114.0/24	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.120.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.124.0/22	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.127.0/24	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.128.0/17	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.128.0/20	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.143.0/24	AS63189 ANDESASERVICESINC - Andesa Services, Inc	Valid	-	2026-10-11
40.143.144.0/20	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.160.0/20	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.176.0/20	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.192.0/20	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.207.0/24	AS11958 USABLE - USAble Life	Valid	-	2026-10-11
40.143.208.0/20	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.222.0/24	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.224.0/20	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.240.0/21	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.248.0/23	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.250.0/23	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.252.0/23	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11
40.143.254.0/23	AS17378 AS17378 - TierPoint, LLC	Valid	-	2026-10-11

More Specific Prefixes

Prefix	AS	Country	Status
40.128.0.0/14	AS7029	🇺🇸US	allocated
40.132.0.0/16	AS7029	🇺🇸US	allocated
40.133.0.0/19	AS7029	🇺🇸US	allocated
40.133.32.0/21	AS17378	🇺🇸US	allocated
40.133.40.0/21	AS7029	🇺🇸US	allocated
40.133.48.0/20	AS7029	🇺🇸US	allocated
40.133.64.0/18	AS7029	🇺🇸US	allocated
40.133.128.0/17	AS7029	🇺🇸US	allocated
40.134.0.0/15	AS7029	🇺🇸US	allocated
40.136.0.0/15	AS7029	🇺🇸US	allocated
40.138.0.0/17	AS7029	🇺🇸US	allocated
40.138.128.0/18	AS7029	🇺🇸US	allocated
40.138.192.0/20	AS7029	🇺🇸US	allocated
40.138.208.0/21	AS7029	🇺🇸US	allocated
40.138.216.0/22	AS16509	🇺🇸US	allocated
40.138.220.0/22	AS17378	🇺🇸US	allocated
40.138.224.0/19	AS7029	🇺🇸US	allocated
40.139.0.0/16	AS7029	🇺🇸US	allocated
40.140.0.0/15	AS7029	🇺🇸US	allocated
40.142.0.0/21	AS7029	🇺🇸US	allocated
40.142.8.0/22	AS17378	🇺🇸US	allocated
40.142.12.0/22	AS7029	🇺🇸US	allocated
40.142.16.0/20	AS17378	🇺🇸US	allocated
40.142.32.0/19	AS17378	🇺🇸US	allocated
40.142.64.0/18	AS17378	🇺🇸US	allocated
40.142.128.0/17	AS7029	🇺🇸US	allocated
40.143.0.0/18	AS17378	🇺🇸US	allocated
40.143.64.0/21	AS16509	🇺🇸US	allocated
40.143.72.0/21	AS17378	🇺🇸US	allocated
40.143.80.0/20	AS17378	🇺🇸US	allocated
40.143.96.0/19	AS17378	🇺🇸US	allocated
40.143.128.0/17	AS17378	🇺🇸US	allocated

Transfer History

Registry transfers of 40.128.0.0/12, blocks inside it, or blocks containing it.

40.143.64.0/21Transfer · 2024-11-19
Windstream Communications LLC
🇺🇸 US ARIN
→
Amazon.com, Inc.
🇺🇸 US ARIN
40.138.216.0/22Transfer · 2024-03-26
Windstream Communications LLC
🇺🇸 US ARIN
→
Amazon.com, Inc.
🇺🇸 US ARIN
40.143.128.0/17M&A · 2018-04-10
Windstream Communications LLC
🇺🇸 US ARIN
→
TierPoint, LLC
🇺🇸 US ARIN
40.143.96.0/19M&A · 2018-04-10
Windstream Communications LLC
🇺🇸 US ARIN
→
TierPoint, LLC
🇺🇸 US ARIN
40.143.80.0/20M&A · 2018-04-10
Windstream Communications LLC
🇺🇸 US ARIN
→
TierPoint, LLC
🇺🇸 US ARIN
40.143.72.0/21M&A · 2018-04-10
Windstream Communications LLC
🇺🇸 US ARIN
→
TierPoint, LLC
🇺🇸 US ARIN
40.143.0.0/18M&A · 2018-04-10
Windstream Communications LLC
🇺🇸 US ARIN
→
TierPoint, LLC
🇺🇸 US ARIN
40.142.64.0/18M&A · 2018-04-10
Windstream Communications LLC
🇺🇸 US ARIN
→
TierPoint, LLC
🇺🇸 US ARIN
40.142.32.0/19M&A · 2018-04-10
Windstream Communications LLC
🇺🇸 US ARIN
→
TierPoint, LLC
🇺🇸 US ARIN
40.142.16.0/20M&A · 2018-04-10
Windstream Communications LLC
🇺🇸 US ARIN
→
TierPoint, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2024-11-19	40.143.64.0/21	Windstream Communications LLC 🇺🇸 US ARIN	Amazon.com, Inc. 🇺🇸 US ARIN	Transfer
2024-03-26	40.138.216.0/22	Windstream Communications LLC 🇺🇸 US ARIN	Amazon.com, Inc. 🇺🇸 US ARIN	Transfer
2018-04-10	40.143.128.0/17	Windstream Communications LLC 🇺🇸 US ARIN	TierPoint, LLC 🇺🇸 US ARIN	M&A
2018-04-10	40.143.96.0/19	Windstream Communications LLC 🇺🇸 US ARIN	TierPoint, LLC 🇺🇸 US ARIN	M&A
2018-04-10	40.143.80.0/20	Windstream Communications LLC 🇺🇸 US ARIN	TierPoint, LLC 🇺🇸 US ARIN	M&A
2018-04-10	40.143.72.0/21	Windstream Communications LLC 🇺🇸 US ARIN	TierPoint, LLC 🇺🇸 US ARIN	M&A
2018-04-10	40.143.0.0/18	Windstream Communications LLC 🇺🇸 US ARIN	TierPoint, LLC 🇺🇸 US ARIN	M&A
2018-04-10	40.142.64.0/18	Windstream Communications LLC 🇺🇸 US ARIN	TierPoint, LLC 🇺🇸 US ARIN	M&A
2018-04-10	40.142.32.0/19	Windstream Communications LLC 🇺🇸 US ARIN	TierPoint, LLC 🇺🇸 US ARIN	M&A
2018-04-10	40.142.16.0/20	Windstream Communications LLC 🇺🇸 US ARIN	TierPoint, LLC 🇺🇸 US ARIN	M&A

View all 14 transfers →

Geolocation

Country🇺🇸United StatesUS

RegionIllinois

CityEffingham

Coordinates39.1124, -88.5381 ↗

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/40.128.0.0/12

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

curl -s "https://api.ipctl.io/v1/prefix/40.128.0.0/12" | jq

External Links

RIPEstat