207.56.128.0/18

🇺🇸

CIDR

207.56.128.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇺🇸 United States

City

Redmond (Downtown)

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
207.56.128.0/18	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026

14 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
207.56.0.0/15	AS2914NTT-DATA-2914 - NTT America, Inc.	Valid	—	6/1/2026
207.56.0.0/16	AS140224NEBULA - Nebula Global LLC	Valid	—	6/1/2026
207.56.144.0/20	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026
207.56.160.0/20	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026
207.56.176.0/21	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026
207.56.128.0/21	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026
207.56.184.0/22	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026
207.56.140.0/22	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026
207.56.190.0/23	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026
207.56.188.0/23	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026
207.56.138.0/24	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026
207.56.137.0/24	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026
207.56.136.0/24	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026
207.56.139.0/24	AS54801ZILLION-NETWORK - Zillion Network Inc.	Valid	—	6/1/2026

Prefix	Origin	Max Length	Trust Anchor
207.56.128.0/18	AS54801	/24	arin
207.56.128.0/18	AS139613	/24	arin
207.56.0.0/16	AS18186	/24	arin
207.56.0.0/16	AS140224	/24	arin
207.56.0.0/15	AS2914	/15	arin

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionWashington

CityRedmond (Downtown)

API

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

curl -s "https://api.ipctl.io/v1/prefix/207.56.128.0/18" | jq

External Links