HomeASN LookupAS28939

AS28939

🇬🇧

ARM-AS ARM LtdORG-AL29-RIPE

RIPENCCallocated
Announced Prefixes (BGP)
14total
14 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)6,144
Announced (BGP)3,584
IPv6 Addresses ⓘ
Allocated (RIR)6.4×10^29
Announced (BGP)0
Prefix Limit (IPv4)
50
Prefix Limit (IPv6)
5
Country
🇬🇧 GB
RIR
RIPENCC
Status
allocated
Allocated
4/14/2003

Announced Prefixes

(BGP)14
|
Prefix
RPKI
IRR
Last Seen
217.140.96.0/24
No ROA
RIPE
5/25/2026
217.140.97.0/24
No ROA
RIPE
5/25/2026
217.140.99.0/24
No ROA
RIPE
5/25/2026
217.140.100.0/24
No ROA
RIPE
5/25/2026
217.140.101.0/24
No ROA
RIPE
5/25/2026
217.140.102.0/24
No ROA
RIPE
5/25/2026
217.140.103.0/24
No ROA
RIPE
5/25/2026
217.140.104.0/24
No ROA
RADB
5/25/2026
217.140.106.0/24
No ROA—5/25/2026
217.140.107.0/24
No ROA—5/25/2026
1–10 of 14
1 / 2

Allocated Prefixes

(RIR)11
Prefix
Country
RIR
Status
217.140.96.0/20🇬🇧 GBRIPENCCallocated
217.140.99.0/24🇬🇧 GBRIPEassigned
217.140.102.0/24🇺🇸 USRIPEassigned
217.140.103.0/24🇺🇸 USRIPEassigned
217.140.104.0/24🇯🇵 JPRIPEassigned
217.140.106.0/24🇬🇧 GBRIPEassigned
217.140.107.0/24🇬🇧 GBRIPEassigned
217.140.108.0/24🇮🇳 INRIPEassigned
217.140.109.0/24🇬🇧 GBRIPEassigned
2a0a:140::/29🇬🇧 GBRIPENCCallocated
1–10 of 11
1 / 2
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/28939

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

curl -s "https://api.ipctl.io/v1/asn/28939" | jq