HomeASN LookupAS513

AS513

🇨🇭

CERN CERN - European Organization for Nuclear ResearchORG-CEOf1-RIPE

RIPENCCallocated
Announced Prefixes (BGP)
37total
25 IPv412 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)354,816
Announced (BGP)485,888
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)1.5×10^29
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
50
Country
🇨🇭 CH
RIR
RIPENCC
Status
allocated
Allocated
11/17/1992

Announced Prefixes

(BGP)37
|
Prefix
RPKI
IRR
Last Seen
128.141.0.0/16
 Valid
RIPE
5/23/2026
128.142.0.0/16
 Valid
RIPE
5/23/2026
137.138.0.0/16
 Valid
RIPE
5/23/2026
185.249.56.0/22
 Valid
RIPE
5/23/2026
188.184.0.0/16
 Valid
RIPE
5/23/2026
188.184.0.0/17
 Invalid—5/23/2026
188.184.128.0/17
 Invalid—5/23/2026
188.185.0.0/16
 Valid
RIPE
5/23/2026
188.185.0.0/17
 Invalid—5/23/2026
188.185.128.0/18
 Invalid—5/23/2026
1–10 of 37
1 / 4

Allocated Prefixes

(RIR)20
Prefix
Country
RIR
Status
128.141.0.0/16🇨🇭 CHRIPENCCassigned
128.142.0.0/16🇨🇭 CHRIPENCCassigned
137.138.0.0/16🇨🇭 CHRIPENCCassigned
185.249.56.0/22🇨🇭 CHRIPENCCallocated
188.184.0.0/16🇨🇭 CHRIPEassigned
188.185.0.0/16🇨🇭 CHRIPEassigned
192.16.155.0/24🇨🇭 CHRIPENCCassigned
192.16.156.0/22🇨🇭 CHRIPENCCassigned
192.16.160.0/22🇨🇭 CHRIPENCCassigned
192.16.164.0/23🇨🇭 CHRIPENCCassigned
1–10 of 20
1 / 2

Downstream Customers(1)

ASNName
AS559🇨🇭Switch SWITCH
ASPA
No ASPA0 upstreams, 1 downstream
Listed as Upstream Provider by
1 ASN
View full ASPA details →
Abuse Contact
+31205354444
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/513

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

curl -s "https://api.ipctl.io/v1/asn/513" | jq