Home Prefix Lookup99.197.0.0/21

99.197.0.0/21 - ViaSat (AS7155)

IPv4ARINannouncedAS7155VIASAT-SP-BACKBONE - ViaSat,Inc. RPKI Valid

CIDR

99.197.0.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

Chicago

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
99.197.0.0/21	AS7155 VIASAT-SP-BACKBONE - ViaSat,Inc.	Valid	ARIN	2026-10-13

Related Announcements

1 less-specific, 8 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
99.196.0.0/15	AS7155 VIASAT-SP-BACKBONE - ViaSat,Inc.	Valid	-	2026-10-13
99.197.0.0/24	AS7155 VIASAT-SP-BACKBONE - ViaSat,Inc.	Valid	-	2026-10-13
99.197.1.0/24	AS7155 VIASAT-SP-BACKBONE - ViaSat,Inc.	Valid	-	2026-10-13
99.197.2.0/24	AS7155 VIASAT-SP-BACKBONE - ViaSat,Inc.	Valid	-	2026-10-13
99.197.3.0/24	AS7155 VIASAT-SP-BACKBONE - ViaSat,Inc.	Valid	-	2026-10-13
99.197.4.0/24	AS7155 VIASAT-SP-BACKBONE - ViaSat,Inc.	Valid	-	2026-10-13
99.197.5.0/24	AS7155 VIASAT-SP-BACKBONE - ViaSat,Inc.	Valid	-	2026-10-13
99.197.6.0/24	AS7155 VIASAT-SP-BACKBONE - ViaSat,Inc.	Valid	-	2026-10-13
99.197.7.0/24	AS7155 VIASAT-SP-BACKBONE - ViaSat,Inc.	Valid	-	2026-10-13

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
99.197.0.0/21	AS7155	/21	arin
99.196.0.0/15	AS7155	/15	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7155	ARIN	MNT-VIASA-16	2026-08-11

Transfer History

Registry transfers of 99.197.0.0/21, blocks inside it, or blocks containing it.

99.196.0.0/15M&A · 2015-09-17
Viasat Communications Inc.
🇺🇸 US ARIN
→
ViaSat,Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2015-09-17	99.196.0.0/15	Viasat Communications Inc. 🇺🇸 US ARIN	ViaSat,Inc. 🇺🇸 US ARIN	M&A

Origin ASN

AS7155

VIASAT-SP-BACKBONE - ViaSat,Inc.

Related Prefixes

Covering prefix

99.196.0.0/15AS7155

More prefixes of AS7155

All prefixes of AS7155 →

Geolocation

Country🇺🇸United StatesUS

RegionIllinois

CityChicago

Coordinates41.8781, -87.6298 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/99.197.0.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/99.197.0.0/21" | jq

External Links

RIPEstat