216.162.40.0/21 - BGP Prefix

IPv4not announcedNo ROA

CIDR

216.162.40.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

Watertown

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.

5 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
216.162.40.0/22	AS40515 AS-CMH1-1 - Athenahealth	No ROA	-	2026-10-11
216.162.44.0/24	AS213529 SCULK-AS Sculk Ltd.	Valid	-	2026-10-11
216.162.45.0/24	AS205719 FORESTSNET FORESTSNET LTD	Valid	-	2026-10-11
216.162.46.0/24	AS21030 CDNNOW-AS Cluster LLC	Valid	-	2026-10-11
216.162.47.0/24	AS197789 Limitada-as 3-102-955837 LIMITADA	Invalid	-	2026-10-11

Prefix	AS	Country	Status
216.162.40.0/22	AS40515	🇺🇸US	allocated
216.162.44.0/22	AS212171	🇬🇧GB	allocated
216.162.44.0/24	AS213529	🇩🇪DE	assigned
216.162.45.0/24	AS205719	🇫🇮FI	assigned
216.162.46.0/24	AS21030	🇷🇺RU	assigned
216.162.47.0/24	AS197789	🇷🇺RU	assigned

Registry transfers of 216.162.40.0/21, blocks inside it, or blocks containing it.

Date	Resource	From	To	Type
2026-04-10	216.162.40.0/22	DOJ-USMS 🇺🇸 US ARIN	Athenahealth 🇺🇸 US ARIN	Transfer
2026-02-02	216.162.44.0/22inter-RIR	DOJ-USMS 🇺🇸 US ARIN	Local NCC Ltd. 🇬🇧 GB RIPE NCC	Transfer
2024-05-08	216.162.40.0/21	Micfo, LLC. 🇺🇸 US ARIN	U.S. Marshals Service in accordance with the Final Order of Forfeiture 🇺🇸 US ARIN	M&A
2016-01-07	216.162.40.0/21	iNET Systems Corp. 🇺🇸 US ARIN	Micfo, LLC. 🇺🇸 US ARIN	Transfer

Geolocation

Country🇺🇸United StatesUS

RegionMassachusetts

CityWatertown

API

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

curl -s "https://api.ipctl.io/v1/prefix/216.162.40.0/21" | jq

External Links