HomeASN LookupAS204757

AS204757 ReactiveMarkets Reactive Markets Limited

🇬🇧

Org handle: ORG-RML21-RIPE

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
1total
1 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)512
Announced (BGP)256
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)0
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇬🇧 GB
RIR
RIPE NCC
Status
allocated
Allocated
2026-01-21

Routing hygiene

Score 10/100 · Low risk
RPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
  • Only one upstream seen in the AS paths of its routes

Based on 1 announced prefix, updated daily (2026-10-23). How the score works · RPKI explained

Announced Prefixes

(BGP)1
|
Prefix
RPKI
IRR
Last Seen
185.60.223.0/24
 Valid
Other IRR
2026-10-24

Allocated Prefixes

(RIR)3
Prefix
Country
RIR
Status
185.60.223.0/24🇬🇧 GBRIPENCCallocated
205.210.40.0/24🇬🇧 GBRIPENCCallocated
2a14:a500::/29🇬🇧 GBRIPENCCallocated

All 1 announced prefix of AS204757 →

Upstream Providers(2)

ASNName
AS14618🇺🇸AMAZON-AES - Amazon.com, Inc.
AS16509🇺🇸AMAZON-02 - Amazon.com, Inc.

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS204757 hands its own prefixes to: transit providers, or peers at an exchange.

Transfer History

Registry transfers of AS204757 between organisations.

1
  • AS204757M&A ·
    Fankinet Network, S.L.U
    RIPE NCC
    →
    AVATEL TELECOM, SA
    RIPE NCC
ASPA
Published2 upstreams, 0 downstreams
Authorized Upstream Providers
AS14618AS16509
Expires 2026-10-27
View full ASPA details →
Abuse Contact
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/204757

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

curl -s "https://api.ipctl.io/v1/asn/204757" | jq