HomePrefix Lookup81.21.136.0/21

81.21.136.0/21

🇳🇱
IPv4RIPENCCallocatedAS28878SIGNET-AS Signet B.V. RPKI Valid
CIDR
81.21.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇳🇱 The Netherlands
City
Son
RIR
RIPENCC
Status
allocated
Allocated
1/18/2011

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
81.21.136.0/21AS28878SIGNET-AS Signet B.V. Valid
RIPE
5/31/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
81.21.136.0/24AS31586AS-TBNLTN Signet B.V. Valid—5/31/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
81.21.136.0/21AS28878/21ripe
81.21.136.0/21AS49685/24ripe

IRR Route Objects

1
OriginRegistryMaintainerModified
AS28878RIPESIGNET-MNT1/18/2011

More Specific Prefixes

43
PrefixASCountryStatus
81.21.136.0/24AS31586🇳🇱NLassigned
81.21.142.0/24🇳🇱NLassigned
81.21.141.0/24🇳🇱NLassigned
81.21.137.0/24🇳🇱NLassigned
81.21.139.0/24🇳🇱NLassigned
81.21.140.128/26🇳🇱NLassigned
81.21.138.128/26🇳🇱NLassigned
81.21.138.32/27🇳🇱NLassigned
81.21.140.224/27🇳🇱NLassigned
81.21.138.192/27🇳🇱NLassigned
81.21.140.0/28🇳🇱NLassigned
81.21.138.240/28🇳🇱NLassigned
81.21.140.32/28🇳🇱NLassigned
81.21.138.64/28🇳🇱NLassigned
81.21.138.120/29🇳🇱NLassigned
81.21.140.24/29🇳🇱NLassigned
81.21.140.48/29🇳🇱NLassigned
81.21.140.64/29🇳🇱NLassigned
81.21.140.88/29🇳🇱NLassigned
81.21.140.192/29🇳🇱NLassigned
81.21.140.200/29🇳🇱NLassigned
81.21.140.216/29🇳🇱NLassigned
81.21.143.0/29🇳🇱NLassigned
81.21.143.16/29🇳🇱NLassigned
81.21.143.32/29🇳🇱NLassigned
81.21.143.56/29🇳🇱NLassigned
81.21.143.64/29🇳🇱NLassigned
81.21.140.104/29🇳🇱NLassigned
81.21.143.40/29🇳🇱NLassigned
81.21.140.120/29🇳🇱NLassigned
81.21.138.0/29🇳🇱NLassigned
81.21.138.24/29🇳🇱NLassigned
81.21.138.104/29🇳🇱NLassigned
81.21.138.224/29🇳🇱NLassigned
81.21.140.56/29🇳🇱NLassigned
81.21.140.72/29🇳🇱NLassigned
81.21.140.112/29🇳🇱NLassigned
81.21.138.96/29🇳🇱NLassigned
81.21.138.232/29🇳🇱NLassigned
81.21.140.208/29🇳🇱NLassigned
81.21.138.8/29🇳🇱NLassigned
81.21.138.16/29🇳🇱NLassigned
81.21.138.112/29🇳🇱NLassigned
Origin ASN
AS28878
SIGNET-AS Signet B.V.
Geolocation
Country🇳🇱The NetherlandsNL
RegionNorth Brabant
CitySon
Coordinates51.5013, 5.4605 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/81.21.136.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/81.21.136.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP