HomePrefix Lookup143.121.0.0/16

143.121.0.0/16

🇳🇱
IPv4RIPENCCassignedAS1103SURFNET-NL SURF B.V.No ROA
CIDR
143.121.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇳🇱 The Netherlands
City
Utrecht (Oost)
RIR
RIPENCC
Status
assigned
Allocated
9/17/1990

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
143.121.0.0/16AS1103SURFNET-NL SURF B.V.No ROA
RIPE
6/15/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS1103RIPEAS1103-MNT9/22/2001
Origin ASN
AS1103
SURFNET-NL SURF B.V.
Geolocation
Country🇳🇱The NetherlandsNL
RegionUtrecht
CityUtrecht (Oost)
Coordinates52.0866, 5.1799 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/143.121.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/143.121.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP