Home Prefix Lookup191.31.0.0/16

191.31.0.0/16 - TELEFONICA BRASIL S.A (AS18881)

IPv4LACNICallocatedAS18881TELEFONICA BRASIL S.ANo ROA

CIDR

191.31.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇧🇷 Brazil

City

Castanhal

RIR

LACNIC

Status

allocated

Allocated

2014-01-30

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
191.31.0.0/16	AS18881 TELEFONICA BRASIL S.A	No ROA	Other IRR	2026-10-11

More-Specific Announcements

7 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
191.31.0.0/19	AS18881 TELEFONICA BRASIL S.A	No ROA	-	2026-10-11
191.31.0.0/20	AS18881 TELEFONICA BRASIL S.A	No ROA	-	2026-10-11
191.31.32.0/20	AS10429 TELEFONICA BRASIL S.A	No ROA	-	2026-10-11
191.31.64.0/18	AS18881 TELEFONICA BRASIL S.A	No ROA	-	2026-10-11
191.31.64.0/19	AS18881 TELEFONICA BRASIL S.A	No ROA	-	2026-10-11
191.31.176.0/20	AS18881 TELEFONICA BRASIL S.A	No ROA	-	2026-10-11
191.31.192.0/19	AS18881 TELEFONICA BRASIL S.A	No ROA	-	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS18881	Other IRR	MAINT-AS10429	2024-10-23

Origin ASN

AS18881

TELEFONICA BRASIL S.A

Related Prefixes

More prefixes of AS18881

All prefixes of AS18881 →

Geolocation

Country🇧🇷BrazilBR

RegionPará

CityCastanhal

Coordinates-1.2939, -47.9264 ↗

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/191.31.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/191.31.0.0/16" | jq

External Links

RIPEstat