Home Prefix Lookup195.171.0.0/16

195.171.0.0/16 - BT UK British Telecommunications Limited (AS2856)

IPv4RIPEassignedAS2856BT-UK-AS British Telecommunications Limited RPKI Valid

CIDR

195.171.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇬🇧 United Kingdom

City

London

RIR

RIPE

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
195.171.0.0/16	AS2856 BT-UK-AS British Telecommunications Limited	Valid	RIPE	2026-10-11

More-Specific Announcements

1 more-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
195.171.36.0/22	AS5400 BT British Telecommunications Limited	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
195.171.0.0/16	AS2856	/16	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS2856	RIPE	BTNET-INFRA-MNT	2014-07-30

More Specific Prefixes

100

Prefix	AS	Country	Status
195.171.0.0/19		🇬🇧GB	allocated
195.171.0.0/20		🇬🇧GB	assigned
195.171.1.0/24		🇬🇧GB	assigned
195.171.5.0/24		🇬🇧GB	assigned
195.171.9.64/26		🇬🇧GB	assigned
195.171.10.0/26		🇬🇧GB	assigned
195.171.10.192/26		🇬🇧GB	assigned
195.171.11.64/26		🇬🇧GB	assigned
195.171.16.0/20		🇬🇧GB	assigned
195.171.23.128/26		🇬🇧GB	assigned
195.171.25.64/26		🇬🇧GB	assigned
195.171.26.0/24		🇬🇧GB	assigned
195.171.29.192/26		🇬🇧GB	assigned
195.171.30.0/23		🇬🇧GB	assigned
195.171.32.0/19		🇬🇧GB	allocated
195.171.32.0/22		🇬🇧GB	assigned
195.171.36.0/22	AS5400	🇪🇺EU	assigned
195.171.36.0/25		🇧🇪BE	assigned
195.171.40.0/25		🇬🇧GB	assigned
195.171.40.128/25		🇬🇧GB	assigned
195.171.41.0/25		🇬🇧GB	assigned
195.171.43.0/24		🇬🇧GB	assigned
195.171.44.0/22		🇬🇧GB	assigned
195.171.48.0/21		🇬🇧GB	assigned
195.171.56.0/22		🇬🇧GB	assigned
195.171.60.0/23		🇬🇧GB	assigned
195.171.62.0/24		🇬🇧GB	assigned
195.171.64.0/18		🇬🇧GB	allocated
195.171.64.0/19		🇬🇧GB	assigned
195.171.68.0/24		🇬🇧GB	assigned
195.171.71.0/24		🇬🇧GB	assigned
195.171.78.0/24		🇬🇧GB	assigned
195.171.80.0/25		🇬🇧GB	assigned
195.171.82.192/26		🇬🇧GB	assigned
195.171.90.0/23		🇬🇧GB	assigned
195.171.96.0/19		🇬🇧GB	assigned
195.171.98.0/24		🇬🇧GB	assigned
195.171.100.64/26		🇬🇧GB	assigned
195.171.103.32/27		🇬🇧GB	assigned
195.171.103.192/27		🇬🇧GB	assigned
195.171.106.128/26		🇬🇧GB	assigned
195.171.108.0/23		🇬🇧GB	assigned
195.171.110.0/24		🇬🇧GB	assigned
195.171.111.0/25		🇬🇧GB	assigned
195.171.119.0/24		🇬🇧GB	assigned
195.171.122.128/25		🇬🇧GB	assigned
195.171.126.0/24		🇬🇧GB	assigned
195.171.128.0/17		🇬🇧GB	allocated
195.171.128.0/18		🇬🇧GB	assigned
195.171.129.0/25		🇬🇧GB	assigned
195.171.129.128/26		🇬🇧GB	assigned
195.171.132.128/27		🇬🇧GB	assigned
195.171.136.64/26		🇬🇧GB	assigned
195.171.136.160/27		🇬🇧GB	assigned
195.171.137.96/27		🇬🇧GB	assigned
195.171.140.0/25		🇬🇧GB	assigned
195.171.140.128/25		🇬🇧GB	assigned
195.171.143.224/27		🇬🇧GB	assigned
195.171.144.0/24		🇬🇧GB	assigned
195.171.148.0/27		🇬🇧GB	assigned
195.171.148.32/27		🇬🇧GB	assigned
195.171.148.160/27		🇬🇧GB	assigned
195.171.149.160/27		🇬🇧GB	assigned
195.171.151.32/27		🇬🇧GB	assigned
195.171.151.128/27		🇬🇧GB	assigned
195.171.154.192/26		🇬🇧GB	assigned
195.171.155.128/25		🇬🇧GB	assigned
195.171.156.0/24		🇬🇧GB	assigned
195.171.163.0/26		🇬🇧GB	assigned
195.171.163.224/27		🇬🇧GB	assigned
195.171.164.64/26		🇬🇧GB	assigned
195.171.167.64/26		🇬🇧GB	assigned
195.171.168.128/25		🇬🇧GB	assigned
195.171.171.0/24		🇬🇧GB	assigned
195.171.173.0/27		🇬🇧GB	assigned
195.171.176.192/27		🇬🇧GB	assigned
195.171.187.0/26		🇬🇧GB	assigned
195.171.187.64/26		🇬🇧GB	assigned
195.171.189.0/25		🇬🇧GB	assigned
195.171.191.0/26		🇬🇧GB	assigned
195.171.192.0/18		🇬🇧GB	assigned
195.171.192.0/25		🇬🇧GB	assigned
195.171.192.128/25		🇬🇧GB	assigned
195.171.193.192/26		🇬🇧GB	assigned
195.171.202.192/26		🇬🇧GB	assigned
195.171.212.0/24		🇬🇧GB	assigned
195.171.213.192/26		🇬🇧GB	assigned
195.171.216.0/24		🇬🇧GB	assigned
195.171.218.0/23		🇬🇧GB	assigned
195.171.220.0/24		🇬🇧GB	assigned
195.171.232.0/22		🇬🇧GB	assigned
195.171.237.64/26		🇬🇧GB	assigned
195.171.237.128/26		🇬🇧GB	assigned
195.171.238.0/24		🇬🇧GB	assigned
195.171.240.0/25		🇬🇧GB	assigned
195.171.240.128/25		🇬🇧GB	assigned
195.171.241.0/24		🇬🇧GB	assigned
195.171.243.0/25		🇬🇧GB	assigned
195.171.243.128/25		🇬🇧GB	assigned
195.171.248.0/24		🇬🇧GB	assigned

Origin ASN

AS2856

BT-UK-AS British Telecommunications Limited

Related Prefixes

More prefixes of AS2856

All prefixes of AS2856 →

Geolocation

Country🇬🇧United KingdomGB

RegionEngland

CityLondon

Coordinates51.5072, -0.1276 ↗

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/195.171.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/195.171.0.0/16" | jq

External Links

RIPEstat