216.165.128.0/18

🇺🇸

IPv4ARINallocatedAS4181TDS-AS - TDS TELECOM RPKI Valid

CIDR

216.165.128.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇺🇸 United States

City

Madison

RIR

ARIN

Status

allocated

Allocated

8/11/1999

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
216.165.128.0/18	AS4181TDS-AS - TDS TELECOM	Valid	ARIN	6/1/2026

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
216.165.184.0/22	AS4181TDS-AS - TDS TELECOM	Valid	—	6/1/2026
216.165.167.0/24	AS14305AS14305 - Accuray Incorporated	Valid	—	6/1/2026

Prefix	Origin	Max Length	Trust Anchor
216.165.128.0/18	AS4181	/24	arin

Origin	Registry	Maintainer	Modified
AS4181	ARIN	MNT-TDST	-

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionWisconsin

CityMadison

API

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

curl -s "https://api.ipctl.io/v1/prefix/216.165.128.0/18" | jq

External Links