Home Prefix Lookup63.250.144.0/22

63.250.144.0/22 - BT British Telecommunications Limited (AS3300)

IPv4ARINannouncedAS3300BT British Telecommunications Limited RPKI Valid

CIDR

63.250.144.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇧🇷 Brazil

City

Pouso Alegre

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
63.250.144.0/22	AS3300 BT British Telecommunications Limited	Valid	ARINOther IRR	2026-10-11

Related Announcements

1 less-specific, 2 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
63.250.128.0/18	AS3300 BT British Telecommunications Limited	Valid	-	2026-10-11
63.250.144.0/24	AS3300 BT British Telecommunications Limited	Valid	-	2026-10-11
63.250.147.0/24	AS3300 BT British Telecommunications Limited	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
63.250.144.0/22	AS3300	/22	arin
63.250.128.0/18	AS3300	/18	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS3300	ARIN	MNT-INFO	2026-04-19
AS3300	Other IRR	MAINT-AS22381	2026-08-07

Origin ASN

AS3300

BT British Telecommunications Limited

Related Prefixes

Covering prefix

63.250.128.0/18AS3300

More prefixes of AS3300

All prefixes of AS3300 →

Geolocation

Country🇧🇷BrazilBR

RegionMinas Gerais

CityPouso Alegre

Coordinates-22.2300, -45.9364 ↗

Abuse Contact

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/63.250.144.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/63.250.144.0/22" | jq

External Links

RIPEstat