Home Prefix Lookup187.45.0.0/20

187.45.0.0/20 - Cilnet Comunicacao E Informatica S.A (AS28580)

IPv4LACNICallocatedAS28580AS28580 - Cilnet Comunicacao e Informatica S.A.No ROA

CIDR

187.45.0.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇧🇷 Brazil

City

Boituva (Vila Ginasial)

RIR

LACNIC

Status

allocated

Allocated

2009-02-16

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
187.45.0.0/20	AS28580 AS28580 - Cilnet Comunicacao e Informatica S.A.	No ROA	Other IRR	2026-10-12

More-Specific Announcements

10 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
187.45.0.0/21	AS28580 AS28580 - Cilnet Comunicacao e Informatica S.A.	No ROA	-	2026-10-12
187.45.0.0/22	AS28580 AS28580 - Cilnet Comunicacao e Informatica S.A.	No ROA	-	2026-10-12
187.45.0.0/23	AS28580 AS28580 - Cilnet Comunicacao e Informatica S.A.	No ROA	-	2026-10-12
187.45.2.0/23	AS28580 AS28580 - Cilnet Comunicacao e Informatica S.A.	No ROA	-	2026-10-12
187.45.4.0/22	AS28580 AS28580 - Cilnet Comunicacao e Informatica S.A.	No ROA	-	2026-10-12
187.45.4.0/23	AS28580 AS28580 - Cilnet Comunicacao e Informatica S.A.	No ROA	-	2026-10-12
187.45.6.0/23	AS28580 AS28580 - Cilnet Comunicacao e Informatica S.A.	No ROA	-	2026-10-12
187.45.8.0/21	AS28580 AS28580 - Cilnet Comunicacao e Informatica S.A.	No ROA	-	2026-10-12
187.45.8.0/22	AS28580 AS28580 - Cilnet Comunicacao e Informatica S.A.	No ROA	-	2026-10-12
187.45.12.0/22	AS28580 AS28580 - Cilnet Comunicacao e Informatica S.A.	No ROA	-	2026-10-12

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS28580	Other IRR	MAINT-AS28580	2024-09-24

Origin ASN

AS28580

AS28580 - Cilnet Comunicacao e Informatica S.A.

Related Prefixes

More prefixes of AS28580

All prefixes of AS28580 →

Geolocation

Country🇧🇷BrazilBR

RegionSão Paulo

CityBoituva (Vila Ginasial)

Coordinates-23.2819, -47.6775 ↗

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/187.45.0.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/187.45.0.0/20" | jq

External Links

RIPEstat