HomePrefix Lookup5.187.56.0/21

5.187.56.0/21

🇨🇭
IPv4RIPENCCallocatedAS213298CTX-BRN-AS Cortex IT SA RPKI Valid
CIDR
5.187.56.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇭 Switzerland
City
Monthey
RIR
RIPENCC
Status
allocated
Allocated
8/10/2012

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
5.187.56.0/21AS213298CTX-BRN-AS Cortex IT SA Valid
RIPE
5/30/2026

Covering Prefix

8 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
5.187.56.0/24AS213298CTX-BRN-AS Cortex IT SA Valid—5/30/2026
5.187.57.0/24AS213298CTX-BRN-AS Cortex IT SA Valid—5/30/2026
5.187.58.0/24AS213298CTX-BRN-AS Cortex IT SA Valid—5/30/2026
5.187.59.0/24AS213298CTX-BRN-AS Cortex IT SA Valid—5/30/2026
5.187.60.0/24AS213298CTX-BRN-AS Cortex IT SA Valid—5/30/2026
5.187.61.0/24AS213298CTX-BRN-AS Cortex IT SA Valid—5/30/2026
5.187.62.0/24AS213298CTX-BRN-AS Cortex IT SA Valid—5/30/2026
5.187.63.0/24AS213298CTX-BRN-AS Cortex IT SA Valid—5/30/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
5.187.56.0/21AS213298/21ripe

IRR Route Objects

1
OriginRegistryMaintainerModified
AS213298RIPECORTEXIT-MNT11/24/2021

More Specific Prefixes

13
PrefixASCountryStatus
5.187.58.0/24AS213298🇨🇭CHassigned
5.187.56.0/25🇨🇭CHassigned
5.187.56.192/26🇨🇭CHassigned
5.187.63.64/27🇨🇭CHassigned
5.187.56.128/27🇨🇭CHassigned
5.187.56.160/27🇨🇭CHassigned
5.187.57.0/28🇨🇭CHassigned
5.187.57.112/28🇨🇭CHassigned
5.187.57.16/28🇨🇭CHassigned
5.187.57.96/28🇨🇭CHassigned
5.187.57.32/29🇨🇭CHassigned
5.187.57.40/29🇨🇭CHassigned
5.187.57.48/29🇨🇭CHassigned
Origin ASN
AS213298
CTX-BRN-AS Cortex IT SA
Geolocation
Country🇨🇭SwitzerlandCH
RegionValais
CityMonthey
Coordinates46.2552, 6.9594 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/5.187.56.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/5.187.56.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP