Home ASN LookupAS29575

AS29575 LONDSTOCK-AS London Stock Exchange PLC

🇬🇧

Org handle: ORG-LSEP1-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

7total

7 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)512

Announced (BGP)3,072

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇬🇧 GB

RIR

RIPE NCC

Status

allocated

Allocated

2003-10-14

Announced Prefixes

(BGP)7

Prefix	RPKI	IRR	Last Seen
81.201.163.0/24	No ROA	Other IRR	2026-10-11
81.201.164.0/24	No ROA	Other IRR	2026-10-11
194.169.0.0/22	No ROA	RIPE	2026-10-11
194.169.0.0/23	No ROA	RIPE	2026-10-11
194.169.0.0/24	No ROA	RIPE	2026-10-11
194.169.2.0/23	No ROA	RIPE	2026-10-11
194.169.3.0/24	No ROA	RIPE	2026-10-11

Allocated Prefixes

(RIR)2

Prefix	Country	RIR	Status
81.201.163.0/24	🇬🇧 GB	RIPE	assigned
81.201.164.0/24	🇬🇧 GB	RIPE	assigned

All 7 announced prefixes of AS29575 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS29575 hands its own prefixes to: transit providers, or peers at an exchange.

AS8220COLT Technology Services Group Limited5
AS202Level 3 Parent2

Downstreams (1)

Networks whose own prefixes AS29575 passes on: usually its customers.

AS39610LCH CLEARNET LCH Group Holdings Limited3

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 AS29575 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/29575

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

curl -s "https://api.ipctl.io/v1/asn/29575" | jq