Home Prefix Lookup177.66.56.0/21

177.66.56.0/21 - SEMPRE TELECOMUNICACOES LTDA (AS28198)

IPv4LACNICallocatedAS28198SEMPRE TELECOMUNICACOES LTDA RPKI Valid

CIDR

177.66.56.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇧🇷 Brazil

City

Candeias

RIR

LACNIC

Status

allocated

Allocated

2012-07-23

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
177.66.56.0/21	AS28198 SEMPRE TELECOMUNICACOES LTDA	Valid	Other IRR	2026-10-11

More-Specific Announcements

6 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
177.66.56.0/22	AS28198 SEMPRE TELECOMUNICACOES LTDA	Valid	-	2026-10-11
177.66.56.0/23	AS28198 SEMPRE TELECOMUNICACOES LTDA	Valid	-	2026-10-11
177.66.58.0/23	AS28198 SEMPRE TELECOMUNICACOES LTDA	Valid	-	2026-10-11
177.66.58.0/24	AS28198 SEMPRE TELECOMUNICACOES LTDA	Valid	-	2026-10-11
177.66.60.0/22	AS28198 SEMPRE TELECOMUNICACOES LTDA	Valid	-	2026-10-11
177.66.60.0/23	AS28198 SEMPRE TELECOMUNICACOES LTDA	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
177.66.56.0/21	AS28198	/25	lacnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS28198	Other IRR	MAINT-AS28198	2026-08-21

Origin ASN

AS28198

SEMPRE TELECOMUNICACOES LTDA

Related Prefixes

More prefixes of AS28198

All prefixes of AS28198 →

Geolocation

Country🇧🇷BrazilBR

RegionMinas Gerais

CityCandeias

Coordinates-20.7669, -45.2764 ↗

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 LACNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/177.66.56.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/177.66.56.0/21" | jq

External Links

RIPEstat