HomeASN LookupAS21301

AS21301

🇬🇧

UK-NATWEST-AS21301 Natwest Markets PLCORG-TRBo1-RIPE

EDINBURGH

RIPENCCallocated
Announced Prefixes (BGP)
12total
12 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)4,352
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
50
Prefix Limit (IPv6)
5
Country
🇬🇧 GB
RIR
RIPENCC
Status
allocated
Allocated
10/24/2001

Announced Prefixes

(BGP)12
|
Prefix
RPKI
IRR
Last Seen
155.136.56.0/22
No ROA
RIPE
5/25/2026
155.136.56.0/24
No ROA
RADB
5/25/2026
155.136.57.0/24
No ROA
RADB
5/25/2026
155.136.58.0/24
No ROA
RADB
5/25/2026
155.136.59.0/24
No ROA
RADB
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
155.136.151.0/24
No ROA
RADBRIPE
5/25/2026
155.136.200.0/23MOAS
No ROA
RADBRIPE
5/25/2026
155.136.200.0/24
No ROA
RADB
5/25/2026
1–10 of 12
1 / 2
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/21301

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

curl -s "https://api.ipctl.io/v1/asn/21301" | jq