HomeASN LookupAS21054

AS21054

🇬🇧

UK-NATWEST-AS21054 Natwest Markets PLCORG-TRBO2-RIPE

Edinburgh

RIPENCCallocated
Announced Prefixes (BGP)
15total
15 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)65,536
Announced (BGP)135,424
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Country
🇬🇧 GB
RIR
RIPENCC
Status
allocated
Allocated
8/8/2001

Announced Prefixes

(BGP)15
|
Prefix
RPKI
IRR
Last Seen
155.136.0.0/16
No ROA
RADBRIPE
5/25/2026
155.136.0.0/17
No ROA—5/25/2026
155.136.60.0/22
No ROA
RIPE
5/25/2026
155.136.60.0/24
No ROA
RADB
5/25/2026
155.136.61.0/24
No ROA
RADB
5/25/2026
155.136.62.0/24
No ROA
RADB
5/25/2026
155.136.63.0/24
No ROA
RADB
5/25/2026
155.136.128.0/17
No ROA—5/25/2026
155.136.144.0/24MOAS
No ROA
RADBRIPE
5/25/2026
155.136.146.0/24MOAS
No ROA
RADBRIPE
5/25/2026
1–10 of 15
1 / 2

Allocated Prefixes

(RIR)1
Prefix
Country
RIR
Status
155.136.0.0/16🇬🇧 GBRIPENCCassigned
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/21054

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

curl -s "https://api.ipctl.io/v1/asn/21054" | jq