HomeASN LookupAS1103

AS1103

🇳🇱

SURFNET-NL SURF B.V.ORG-Sb3-RIPE

SURFnet, The Netherlands

RIPENCCallocated
Announced Prefixes (BGP)
104total
101 IPv43 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)3.5M
Announced (BGP)7.2M
IPv6 Addresses ⓘ
Allocated (RIR)6.3×10^29
Announced (BGP)6.3×10^29
Prefix Limit (IPv4)
5,000
Prefix Limit (IPv6)
10
Country
🇳🇱 NL
RIR
RIPENCC
Status
allocated
Allocated
9/1/1993

Announced Prefixes

(BGP)104
|
Prefix
RPKI
IRR
Last Seen
129.125.0.0/16
 Valid
RIPE
5/24/2026
130.37.0.0/16
 Valid
RIPE
5/24/2026
131.174.0.0/16
 Valid
RIPE
5/24/2026
131.211.0.0/16
 Valid
RIPE
5/24/2026
131.224.0.0/16
 Valid
RIPE
5/24/2026
132.229.0.0/16
 Valid
RIPE
5/24/2026
134.221.0.0/16
 Valid
RIPE
5/24/2026
136.231.0.0/16
 Valid
RIPE
5/24/2026
137.56.0.0/16
 Valid
RIPE
5/24/2026
137.120.0.0/16
 Valid
RIPE
5/24/2026
1–10 of 104
1 / 11

Allocated Prefixes

(RIR)76
Prefix
Country
RIR
Status
129.125.0.0/16🇳🇱 NLRIPENCCassigned
130.37.0.0/16🇳🇱 NLRIPENCCassigned
131.174.0.0/16🇳🇱 NLRIPENCCassigned
131.211.0.0/16🇳🇱 NLRIPENCCassigned
131.224.0.0/16🇳🇱 NLRIPENCCassigned
132.229.0.0/16🇳🇱 NLRIPENCCassigned
134.221.0.0/16🇳🇱 NLRIPENCCassigned
136.231.0.0/16🇳🇱 NLRIPENCCassigned
137.56.0.0/16🇳🇱 NLRIPENCCassigned
137.120.0.0/16🇳🇱 NLRIPENCCassigned
1–10 of 76
1 / 8

Downstream Customers(3)

ASNName
AS1199🇳🇱SPEELTUIN-AS SURF B.V.
AS1200🇳🇱AMS-IX1 Amsterdam Internet Exchange B.V.
AS214380🇳🇱TIM427 Tim de Boer trading as tim427.net
ASPA
No ASPA0 upstreams, 3 downstreams
Listed as Upstream Provider by
3 ASNs
View full ASPA details →
Abuse Contact
+31205354444
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/1103

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

curl -s "https://api.ipctl.io/v1/asn/1103" | jq