HomePrefix Lookup81.90.128.0/20

81.90.128.0/20

🇬🇧
IPv4RIPENCCallocatedAS25048DSNet DSNET Ltd RPKI Valid
CIDR
81.90.128.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇬🇧 United Kingdom
City
Maidenhead
RIR
RIPENCC
Status
allocated
Allocated
7/4/2002

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
81.90.128.0/20AS25048DSNet DSNET Ltd Valid
RIPE
6/1/2026

Covering Prefix

10 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
81.90.140.0/22AS25048DSNet DSNET Ltd Valid—6/1/2026
81.90.136.0/23AS48901DSNET-CSP DSNET Ltd Valid—6/1/2026
81.90.139.0/24AS25048DSNet DSNET Ltd Valid—6/1/2026
81.90.132.0/24AS25048DSNet DSNET Ltd Valid—6/1/2026
81.90.143.0/24AS25048DSNet DSNET Ltd Valid—6/1/2026
81.90.135.0/24AS25048DSNet DSNET Ltd Valid—6/1/2026
81.90.133.0/24AS25048DSNet DSNET Ltd Valid—6/1/2026
81.90.137.0/24AS48901DSNET-CSP DSNET Ltd Valid—6/1/2026
81.90.136.0/24AS48901DSNET-CSP DSNET Ltd Valid—6/1/2026
81.90.134.0/24AS48901DSNET-CSP DSNET Ltd Valid—6/1/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
81.90.128.0/20AS25048/24ripe
81.90.128.0/20AS48901/24ripe

IRR Route Objects

1
OriginRegistryMaintainerModified
AS25048RIPEDSNH-MNT7/9/2002

More Specific Prefixes

11
PrefixASCountryStatus
81.90.143.0/24AS25048🇬🇧GBassigned
81.90.129.0/24🇬🇧GBassigned
81.90.138.0/24🇬🇧GBassigned
81.90.128.0/24🇬🇧GBassigned
81.90.133.0/24AS25048🇬🇧GBassigned
81.90.134.0/24AS48901🇬🇧GBassigned
81.90.135.0/24AS25048🇬🇧GBassigned
81.90.136.0/24AS48901🇬🇧GBassigned
81.90.137.0/24AS48901🇬🇧GBassigned
81.90.131.128/25🇬🇧GBassigned
81.90.131.0/28🇬🇧GBassigned
Origin ASN
AS25048
DSNet DSNET Ltd
Geolocation
Country🇬🇧United KingdomGB
RegionEngland
CityMaidenhead
Coordinates51.5229, -0.7178 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/81.90.128.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/81.90.128.0/20" | jq
External Links
RIPEstat Hurricane Electric BGP