HomePrefix Lookup37.1.240.0/20

37.1.240.0/20

🇫🇷
IPv4RIPENCCallocatedAS48072ALSATIS-AS Alsatis SASNo ROA
CIDR
37.1.240.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇫🇷 France
City
Chimilin
RIR
RIPENCC
Status
allocated
Allocated
12/13/2011

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
37.1.240.0/20AS48072ALSATIS-AS Alsatis SASNo ROA
RIPE
5/31/2026

Covering Prefix

6 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
37.1.248.0/23AS48072ALSATIS-AS Alsatis SASNo ROA—5/31/2026
37.1.241.0/24AS48072ALSATIS-AS Alsatis SASNo ROA—5/31/2026
37.1.253.0/24AS48072ALSATIS-AS Alsatis SASNo ROA—5/31/2026
37.1.255.0/24AS48072ALSATIS-AS Alsatis SASNo ROA—5/31/2026
37.1.242.0/24AS48072ALSATIS-AS Alsatis SASNo ROA—5/31/2026
37.1.240.0/24AS48072ALSATIS-AS Alsatis SASNo ROA—5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS48072RIPEALSATIS-MNT12/16/2011

More Specific Prefixes

100
PrefixASCountryStatus
37.1.244.0/22🇫🇷FRassigned
37.1.248.0/22🇫🇷FRassigned
37.1.242.0/23🇫🇷FRassigned
37.1.252.0/24🇫🇷FRassigned
37.1.241.0/24AS48072🇫🇷FRassigned
37.1.254.0/24🇫🇷FRassigned
37.1.240.0/28🇫🇷FRassigned
37.1.255.192/28🇫🇷FRassigned
37.1.253.16/28🇫🇷FRassigned
37.1.255.0/28🇫🇷FRassigned
37.1.253.48/28🇫🇷FRassigned
37.1.253.144/29🇫🇷FRassigned
37.1.240.192/29🇫🇷FRassigned
37.1.253.152/29🇫🇷FRassigned
37.1.240.144/29🇫🇷FRassigned
37.1.240.232/29🇫🇷FRassigned
37.1.240.160/29🇫🇷FRassigned
37.1.240.40/29🇫🇷FRassigned
37.1.240.200/29🇫🇷FRassigned
37.1.240.208/29🇫🇷FRassigned
37.1.253.184/29🇫🇷FRassigned
37.1.253.192/29🇫🇷FRassigned
37.1.253.216/29🇫🇷FRassigned
37.1.240.224/29🇫🇷FRassigned
37.1.240.136/29🇫🇷FRassigned
37.1.253.240/29🇫🇷FRassigned
37.1.240.64/29🇫🇷FRassigned
37.1.240.72/29🇫🇷FRassigned
37.1.253.248/29🇫🇷FRassigned
37.1.253.208/29🇫🇷FRassigned
37.1.255.40/29🇫🇷FRassigned
37.1.253.8/29🇫🇷FRassigned
37.1.255.16/29🇫🇷FRassigned
37.1.240.96/29🇫🇷FRassigned
37.1.240.216/29🇫🇷FRassigned
37.1.255.64/29🇫🇷FRassigned
37.1.253.32/29🇫🇷FRassigned
37.1.253.40/29🇫🇷FRassigned
37.1.253.72/29🇫🇷FRassigned
37.1.255.112/29🇫🇷FRassigned
37.1.253.96/29🇫🇷FRassigned
37.1.240.32/29🇫🇷FRassigned
37.1.255.224/29🇫🇷FRassigned
37.1.240.88/30🇫🇷FRassigned
37.1.240.24/30🇫🇷FRassigned
37.1.240.56/30🇫🇷FRassigned
37.1.240.248/30🇫🇷FRassigned
37.1.255.104/30🇫🇷FRassigned
37.1.255.216/30🇫🇷FRassigned
37.1.255.108/30🇫🇷FRassigned
37.1.253.140/30🇫🇷FRassigned
37.1.240.168/30🇫🇷FRassigned
37.1.240.92/30🇫🇷FRassigned
37.1.253.120/30🇫🇷FRassigned
37.1.255.48/30🇫🇷FRassigned
37.1.255.52/30🇫🇷FRassigned
37.1.255.80/30🇫🇷FRassigned
37.1.255.100/30🇫🇷FRassigned
37.1.255.120/30🇫🇷FRassigned
37.1.255.232/30🇫🇷FRassigned
37.1.240.16/30🇫🇷FRassigned
37.1.240.180/30🇫🇷FRassigned
37.1.240.28/30🇫🇷FRassigned
37.1.240.128/30🇫🇷FRassigned
37.1.240.172/30🇫🇷FRassigned
37.1.240.184/30🇫🇷FRassigned
37.1.253.68/30🇫🇷FRassigned
37.1.253.128/30🇫🇷FRassigned
37.1.253.132/30🇫🇷FRassigned
37.1.253.136/30🇫🇷FRassigned
37.1.253.172/30🇫🇷FRassigned
37.1.253.180/30🇫🇷FRassigned
37.1.253.224/30🇫🇷FRassigned
37.1.253.228/30🇫🇷FRassigned
37.1.255.24/30🇫🇷FRassigned
37.1.255.56/30🇫🇷FRassigned
37.1.255.60/30🇫🇷FRassigned
37.1.255.72/30🇫🇷FRassigned
37.1.255.76/30🇫🇷FRassigned
37.1.255.88/30🇫🇷FRassigned
37.1.255.92/30🇫🇷FRassigned
37.1.255.96/30🇫🇷FRassigned
37.1.255.124/30🇫🇷FRassigned
37.1.255.132/30🇫🇷FRassigned
37.1.255.236/30🇫🇷FRassigned
37.1.240.20/30🇫🇷FRassigned
37.1.240.48/30🇫🇷FRassigned
37.1.240.120/30🇫🇷FRassigned
37.1.240.188/30🇫🇷FRassigned
37.1.253.104/30🇫🇷FRassigned
37.1.253.108/30🇫🇷FRassigned
37.1.253.112/30🇫🇷FRassigned
37.1.253.168/30🇫🇷FRassigned
37.1.253.232/30🇫🇷FRassigned
37.1.253.236/30🇫🇷FRassigned
37.1.255.84/30🇫🇷FRassigned
37.1.255.220/30🇫🇷FRassigned
37.1.240.52/30🇫🇷FRassigned
37.1.240.60/30🇫🇷FRassigned
37.1.240.112/30🇫🇷FRassigned
Origin ASN
AS48072
ALSATIS-AS Alsatis SAS
Geolocation
Country🇫🇷FranceFR
RegionAuvergne-Rhône-Alpes
CityChimilin
Coordinates45.5768, 5.6055 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/37.1.240.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/37.1.240.0/20" | jq
External Links
RIPEstat Hurricane Electric BGP