AS204670 NTT NTT United Kingdom Ltd

🇬🇧

Org handle: ORG-NUKL1-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

5total

5 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)1,280

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

allocated

Allocated

2018-01-29

Announced Prefixes

(BGP)5

Prefix	RPKI	IRR	Last Seen
128.121.15.0/24	Valid	-	2026-10-11
128.242.94.0/24	Valid	Other IRR	2026-10-11
131.103.30.0/24	Valid	-	2026-10-11
140.174.224.0/24	Valid	-	2026-10-11
168.143.179.0/24	Valid	Other IRR	2026-10-11

(seen in AS paths)

Networks AS204670 hands its own prefixes to: transit providers, or peers at an exchange.

Registry transfers of AS204670 between organisations.

Date	Resource	From	To	Type
2023-04-24	AS204670	NTT Europe Limited RIPE NCC	NTT United Kingdom Ltd RIPE NCC	Transfer

ASPA

No ASPA

Abuse Contact

External Links

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 AS204670 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

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

curl -s "https://api.ipctl.io/v1/asn/204670" | jq