68.87.128.0/20

🇺🇸

CIDR

68.87.128.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇺🇸 United States

City

Baltimore

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
68.87.128.0/20	AS33657CMCS - Comcast Cable Communications, LLC	Valid	RADB	5/31/2026

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
68.80.0.0/13	AS7922COMCAST-7922 - Comcast Cable Communications, LLC	Valid	—	5/31/2026

Prefix	Origin	Max Length	Trust Anchor
68.87.128.0/20	AS33657	/20	arin
68.80.0.0/13	AS7922	/13	arin

Origin	Registry	Maintainer	Modified
AS33657	RADB	MAINT-AS7922	11/13/2023

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionMaryland

CityBaltimore

API

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

curl -s "https://api.ipctl.io/v1/prefix/68.87.128.0/20" | jq

External Links