Home ASN LookupAS6871

AS6871 Plusnet British Telecommunications Limited

🇬🇧

Org handle: ORG-BPIS1-RIPE

UK Internet Service Provider

RIPE NCCallocated

Announced Prefixes (BGP)

64total

61 IPv43 IPv6

IPv4 Addresses

Allocated (RIR)1.9M

Announced (BGP)2.1M

IPv6 Addresses

Allocated (RIR)7.1×10²⁹

Announced (BGP)7.2×10²⁹

Prefix Limit (IPv4)

2,000

Prefix Limit (IPv6)

Country

🇬🇧 GB

RIR

RIPE NCC

Status

allocated

Allocated

1996-12-13

Announced Prefixes

(BGP)64

Prefix	RPKI	IRR	Last Seen
31.108.0.0/14	Valid	RIPE	2026-10-11
31.125.0.0/16	Valid	RIPE	2026-10-11
31.185.32.0/19	Valid	RIPE	2026-10-11
31.185.128.0/17	Valid	RIPE	2026-10-11
37.152.192.0/18	Valid	RIPE	2026-10-11
46.208.0.0/16	Valid	RIPE	2026-10-11
51.6.0.0/15	Valid	RIPE	2026-10-11
51.9.0.0/16	Valid	RIPE	2026-10-11
80.189.0.0/16	Valid	RIPE	2026-10-11
80.229.0.0/16	Valid	RIPE	2026-10-11

1-10 of 64

1 / 7

Allocated Prefixes

(RIR)56

Prefix	Country	RIR	Status
31.108.0.0/14	🇬🇧 GB	RIPENCC	allocated
31.125.0.0/16	🇬🇧 GB	RIPE	assigned
31.185.32.0/19	🇬🇧 GB	RIPENCC	allocated
31.185.128.0/17	🇬🇧 GB	RIPENCC	allocated
37.152.192.0/18	🇬🇧 GB	RIPENCC	allocated
46.208.0.0/16	🇬🇧 GB	RIPENCC	allocated
51.6.0.0/15	🇬🇧 GB	RIPENCC	assigned
51.9.0.0/16	🇬🇧 GB	RIPENCC	assigned
80.189.0.0/16	🇬🇧 GB	RIPENCC	allocated
80.229.0.0/16	🇬🇧 GB	RIPENCC	allocated

1-10 of 56

1 / 6

All 64 announced prefixes of AS6871 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS6871 hands its own prefixes to: transit providers, or peers at an exchange.

AS2856BT UK British Telecommunications Limited64

Transfer History

Registry transfers of AS6871 between organisations.

AS6871Transfer · 2016-10-05
PlusNet plc.
RIPE NCC
→
British Telecommunications PLC
RIPE NCC

Date	Resource	From	To	Type
2016-10-05	AS6871	PlusNet plc. RIPE NCC	British Telecommunications PLC RIPE NCC	Transfer

ASPA

No ASPA

Abuse Contact

External Links

RIPE Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS6871 should publish an ASPA object
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/6871

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/6871" | jq