131.149.0.0/16 - BGP Prefix

IPv4not announced RPKI Valid

CIDR

131.149.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇺🇸 United States

City

Greenwood Village

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.

19 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
131.149.52.0/22	AS46502 SYNCWAVE-499 - SyncWave, LLC	No ROA	-	2026-10-12
131.149.224.0/24	AS55140 SHO-ME-TECHNOLOGIES - Sho Me Technologies, LLC	Valid	-	2026-10-12
131.149.225.0/24	AS32695 WHITE-RIVER-CONNECT - White River Connect	Valid	-	2026-10-12
131.149.226.0/23	AS32695 WHITE-RIVER-CONNECT - White River Connect	Valid	-	2026-10-12
131.149.228.0/22	AS32695 WHITE-RIVER-CONNECT - White River Connect	Valid	-	2026-10-12
131.149.232.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
131.149.233.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
131.149.234.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
131.149.235.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-12
131.149.240.0/22	AS393775 IPP-AS - IP Pathways, LLC	Valid	-	2026-10-12
131.149.240.0/24	AS393775 IPP-AS - IP Pathways, LLC	Valid	-	2026-10-12
131.149.241.0/24	AS393775 IPP-AS - IP Pathways, LLC	Valid	-	2026-10-12
131.149.242.0/24	AS393775 IPP-AS - IP Pathways, LLC	Valid	-	2026-10-12
131.149.243.0/24	AS393775 IPP-AS - IP Pathways, LLC	Valid	-	2026-10-12
131.149.244.0/24	AS15249 XPRESS-DATA - Xpress Data, Inc.	No ROA	-	2026-10-12
131.149.245.0/24	AS15249 XPRESS-DATA - Xpress Data, Inc.	No ROA	-	2026-10-12
131.149.248.0/22	AS134090 LEAP-AS-AP - Leaptel	Valid	-	2026-10-12
131.149.248.0/23	AS134090 LEAP-AS-AP - Leaptel	Valid	-	2026-10-12
131.149.250.0/23	AS134090 LEAP-AS-AP - Leaptel	Valid	-	2026-10-12

Prefix	AS	Country	Status
131.149.0.0/19		🇺🇸US	allocated
131.149.32.0/20		🇺🇸US	allocated
131.149.48.0/22		🇺🇸US	allocated
131.149.52.0/22	AS46502	🇺🇸US	allocated
131.149.56.0/21		🇺🇸US	allocated
131.149.64.0/18		🇺🇸US	allocated
131.149.128.0/18		🇺🇸US	allocated
131.149.192.0/19		🇺🇸US	allocated
131.149.224.0/21	AS32695	🇺🇸US	allocated
131.149.232.0/21	AS33191	🇺🇸US	allocated
131.149.240.0/22	AS23238	🇺🇸US	allocated
131.149.244.0/22	AS15249	🇺🇸US	allocated
131.149.248.0/22	AS134090	🇦🇺AU	allocated
131.149.252.0/22		🇺🇸US	allocated

Registry transfers of 131.149.0.0/16, blocks inside it, or blocks containing it.

Date	Resource	From	To	Type
2025-09-12	131.149.244.0/22	Charter Communications LLC 🇺🇸 US ARIN	Xpress Data, Inc. 🇺🇸 US ARIN	Transfer
2025-09-10	131.149.52.0/22	Charter Communications LLC 🇺🇸 US ARIN	SyncWave, LLC 🇺🇸 US ARIN	Transfer
2025-09-09	131.149.248.0/22inter-RIR	Charter Communications LLC 🇺🇸 US ARIN	Leap Telecommunications Pty Ltd 🇦🇺 AU APNIC	Transfer
2025-09-04	131.149.232.0/21	Charter Communications LLC 🇺🇸 US ARIN	Notion Labs, Inc. 🇺🇸 US ARIN	Transfer
2025-09-02	131.149.240.0/22	Charter Communications LLC 🇺🇸 US ARIN	CivicPlus, LLC 🇺🇸 US ARIN	Transfer
2025-08-22	131.149.224.0/21	Charter Communications LLC 🇺🇸 US ARIN	White River Connect 🇺🇸 US ARIN	Transfer
2017-11-27	131.149.0.0/16	Northern Telecom Canada Ltd. 🇨🇦 CA ARIN	Charter Communications 🇺🇸 US ARIN	Transfer

Geolocation

Country🇺🇸United StatesUS

RegionColorado

CityGreenwood Village

API

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

curl -s "https://api.ipctl.io/v1/prefix/131.149.0.0/16" | jq

External Links