Home Prefix Lookup217.140.12.0/22

217.140.12.0/22 - British Telecommunications Limited (AS13205)

IPv4RIPE NCCannouncedAS13205British Telecommunications LimitedNo ROA

CIDR

217.140.12.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇬🇧 United Kingdom

RIR

RIPE NCC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
217.140.12.0/22	AS13205 British Telecommunications Limited	No ROA	RIPE	2026-10-11

Related Announcements

1 less-specific, 2 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
217.140.0.0/20	AS13205 British Telecommunications Limited	No ROA	-	2026-10-11
217.140.12.0/24	AS13205 British Telecommunications Limited	No ROA	-	2026-10-11
217.140.13.0/24	AS13205 British Telecommunications Limited	No ROA	-	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS13205	RIPE	ICH-MNT	2005-11-17

More Specific Prefixes

Prefix	AS	Country	Status
217.140.12.0/24	AS13205	🇳🇱NL	assigned
217.140.13.0/25		🇳🇱NL	assigned
217.140.13.128/25		🇳🇱NL	assigned
217.140.14.0/23		🇳🇱NL	assigned

Origin ASN

AS13205

British Telecommunications Limited

Related Prefixes

Covering prefix

217.140.0.0/20AS13205

More prefixes of AS13205

All prefixes of AS13205 →

Geolocation

Country🇬🇧United KingdomGB

Coordinates55.3781, -3.4360 ↗

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 RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/217.140.12.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/217.140.12.0/22" | jq

External Links

RIPEstat